[ 9.514651][ T186] ip (186) used greatest stack depth: 23536 bytes left [ 9.514667][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.514677][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 9.514678][ T186] preempt_count: 2, expected: 0 [ 9.514679][ T186] RCU nest depth: 0, expected: 0 [ 9.514680][ T186] locks held by ip/186: 5, last CPU#1: [ 9.514683][ T186] #0: ffffffffb8e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.514696][ T186] #1: ffffffffb8f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.514701][ T186] #2: ffffffffb8f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.514705][ T186] #3: ffffffffb8e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.514709][ T186] #4: ffffffffb8e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.514712][ T186] irq event stamp: 38792 [ 9.514713][ T186] hardirqs last enabled at (38791): [] __down_trylock_console_sem+0x86/0xa0 [ 9.514716][ T186] hardirqs last disabled at (38792): [] console_emit_next_record+0x3d4/0x4c0 [ 9.514718][ T186] softirqs last enabled at (38508): [] handle_softirqs+0x67c/0x900 [ 9.514720][ T186] softirqs last disabled at (38497): [] __irq_exit_rcu+0x145/0x1c0 [ 9.514722][ T186] Preemption disabled at: [ 9.514723][ T186] [<0000000000000000>] 0x0 [ 9.514730][ T186] CPU: 1 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.514733][ T186] Tainted: [W]=WARN [ 9.514734][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.514735][ T186] Call Trace: [ 9.514737][ T186] [ 9.514738][ T186] dump_stack_lvl+0x6f/0xa0 [ 9.514745][ T186] __might_resched.cold+0x1fe/0x2c1 [ 9.514749][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.514753][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 9.514758][ T186] __kmalloc_noprof+0x443/0x760 [ 9.514761][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 9.514767][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 9.514769][ T186] alloc_buf.isra.0+0x4b/0x260 [ 9.514772][ T186] put_chars+0x1e1/0x2f0 [ 9.514775][ T186] ? __send_to_port+0x420/0x420 [ 9.514776][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.514781][ T186] ? validate_chain+0x38b/0xc20 [ 9.514786][ T186] hvc_console_print+0x292/0x780 [ 9.514793][ T186] ? hvc_write+0x3a0/0x3a0 [ 9.514795][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.514797][ T186] ? lock_acquire+0x13c/0x160 [ 9.514801][ T186] console_emit_next_record+0x22f/0x4c0 [ 9.514805][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 9.514807][ T186] ? console_flush_one_record+0x106/0x710 [ 9.514810][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.514812][ T186] ? lock_acquire+0x13c/0x160 [ 9.514816][ T186] console_flush_one_record+0x46f/0x710 [ 9.514820][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 9.514822][ T186] ? __lock_acquire+0x518/0xc20 [ 9.514827][ T186] console_unlock+0xee/0x1f0 [ 9.514830][ T186] ? console_flush_one_record+0x710/0x710 [ 9.514832][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.514834][ T186] ? lock_acquire+0x60/0x160 [ 9.514838][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.514839][ T186] ? vprintk_emit+0x320/0x3e0 [ 9.514843][ T186] vprintk_emit+0x37c/0x3e0 [ 9.514846][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 9.514850][ T186] ? __lock_acquire+0x518/0xc20 [ 9.514853][ T186] _printk+0xc7/0x100 [ 9.514857][ T186] ? snapshot_read.cold+0x21/0x21 [ 9.514860][ T186] ? do_raw_spin_lock+0x131/0x280 [ 9.514863][ T186] ? __rwlock_init+0x150/0x150 [ 9.514870][ T186] ? do_raw_spin_lock+0x131/0x280 [ 9.514873][ T186] do_exit.cold+0x82/0x9c [ 9.514877][ T186] ? exit_notify+0x890/0x890 [ 9.514879][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 9.514881][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.514886][ T186] do_group_exit+0xb8/0x370 [ 9.514888][ T186] __x64_sys_exit_group+0x3c/0x50 [ 9.514890][ T186] x64_sys_call+0x1567/0x1570 [ 9.514892][ T186] do_syscall_64+0xff/0x530 [ 9.514896][ T186] ? exc_page_fault+0xee/0x100 [ 9.514899][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.514901][ T186] RIP: 0033:0x7fdfa02471b8 [ 9.514903][ T186] Code: Unable to access opcode bytes at 0x7fdfa024718e. [ 9.514904][ T186] RSP: 002b:00007ffd92b320e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.514907][ T186] RAX: ffffffffffffffda RBX: 00007fdfa0377f88 RCX: 00007fdfa02471b8 [ 9.514908][ T186] RDX: 00007fdf9ff91fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.514909][ T186] RBP: 00007ffd92b32140 R08: 0000000000000000 R09: 0000000000008010 [ 9.514910][ T186] R10: 00007ffd92b31f00 R11: 0000000000000246 R12: 0000000000000001 [ 9.514911][ T186] R13: 0000000000000000 R14: 00007fdfa0376680 R15: 00007fdfa0377fa0 [ 9.514917][ T186] [ 10.288832][ T223] 8021q: 802.1Q VLAN Support v1.8 [ 11.235971][ T259] br1: port 1(veth1) entered blocking state [ 11.236043][ T259] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.236046][ T259] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 259, name: ip [ 11.236047][ T259] preempt_count: 1, expected: 0 [ 11.236048][ T259] RCU nest depth: 0, expected: 0 [ 11.236049][ T259] locks held by ip/259: 5, last CPU#2: [ 11.236051][ T259] #0: ffffffffb96d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.236063][ T259] #1: ffffffffb8f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.236069][ T259] #2: ffffffffb8f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.236073][ T259] #3: ffffffffb8e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.236077][ T259] #4: ffffffffb8e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.236081][ T259] irq event stamp: 12018 [ 11.236082][ T259] hardirqs last enabled at (12017): [] __down_trylock_console_sem+0x86/0xa0 [ 11.236084][ T259] hardirqs last disabled at (12018): [] console_emit_next_record+0x3d4/0x4c0 [ 11.236086][ T259] softirqs last enabled at (11930): [] __alloc_skb+0x4c2/0x5f0 [ 11.236090][ T259] softirqs last disabled at (11928): [] __alloc_skb+0x4c2/0x5f0 [ 11.236092][ T259] Preemption disabled at: [ 11.236093][ T259] [] vprintk_emit+0x31b/0x3e0 [ 11.236099][ T259] CPU: 2 UID: 0 PID: 259 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.236102][ T259] Tainted: [W]=WARN [ 11.236103][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.236105][ T259] Call Trace: [ 11.236106][ T259] [ 11.236108][ T259] dump_stack_lvl+0x6f/0xa0 [ 11.236116][ T259] ? vprintk_emit+0x31b/0x3e0 [ 11.236118][ T259] __might_resched.cold+0x1fe/0x2c1 [ 11.236123][ T259] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.236127][ T259] ? __kmalloc_noprof+0xdb/0x760 [ 11.236132][ T259] __kmalloc_noprof+0x443/0x760 [ 11.236135][ T259] ? alloc_buf.isra.0+0x4b/0x260 [ 11.236140][ T259] ? do_raw_spin_unlock+0x59/0x250 [ 11.236143][ T259] alloc_buf.isra.0+0x4b/0x260 [ 11.236146][ T259] put_chars+0x1e1/0x2f0 [ 11.236149][ T259] ? __send_to_port+0x420/0x420 [ 11.236153][ T259] ? validate_chain+0x34a/0xc20 [ 11.236157][ T259] hvc_console_print+0x292/0x780 [ 11.236160][ T259] ? mark_usage+0x61/0x170 [ 11.236162][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236163][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236167][ T259] ? hvc_write+0x3a0/0x3a0 [ 11.236169][ T259] ? console_emit_next_record+0x1df/0x4c0 [ 11.236172][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236176][ T259] ? lock_acquire+0x13c/0x160 [ 11.236180][ T259] console_emit_next_record+0x22f/0x4c0 [ 11.236184][ T259] ? devkmsg_read+0x4b0/0x4b0 [ 11.236186][ T259] ? console_flush_one_record+0x106/0x710 [ 11.236189][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236191][ T259] ? lock_acquire+0x13c/0x160 [ 11.236195][ T259] console_flush_one_record+0x46f/0x710 [ 11.236199][ T259] ? console_emit_next_record+0x4c0/0x4c0 [ 11.236201][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236206][ T259] console_unlock+0xee/0x1f0 [ 11.236209][ T259] ? console_flush_one_record+0x710/0x710 [ 11.236211][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236213][ T259] ? lock_acquire+0x60/0x160 [ 11.236217][ T259] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.236218][ T259] ? vprintk_emit+0x320/0x3e0 [ 11.236222][ T259] vprintk_emit+0x37c/0x3e0 [ 11.236226][ T259] ? wake_up_klogd_work_func+0x90/0x90 [ 11.236228][ T259] ? __lock_release.isra.0+0x69/0x1a0 [ 11.236230][ T259] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.236234][ T259] ? mark_held_locks+0x40/0x70 [ 11.236238][ T259] _printk+0xc7/0x100 [ 11.236242][ T259] ? snapshot_read.cold+0x21/0x21 [ 11.236245][ T259] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.236258][ T259] ? do_setlink.isra.0+0xa31/0x2750 [ 11.236260][ T259] ? rtnl_newlink+0x9f1/0x11c0 [ 11.236261][ T259] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.236265][ T259] br_set_state+0x22f/0x430 [bridge] [ 11.236275][ T259] br_init_port+0xc4/0x200 [bridge] [ 11.236284][ T259] new_nbp+0x39c/0x580 [bridge] [ 11.236293][ T259] br_add_if+0x212/0x1320 [bridge] [ 11.236300][ T259] ? is_bpf_text_address+0x72/0x110 [ 11.236304][ T259] ? kernel_text_address+0x149/0x170 [ 11.236307][ T259] ? __kernel_text_address+0x12/0x30 [ 11.236311][ T259] do_set_master+0x357/0x580 [ 11.236316][ T259] do_setlink.isra.0+0xa31/0x2750 [ 11.236319][ T259] ? stack_trace_save+0x93/0xc0 [ 11.236322][ T259] ? rtnl_link_get_size+0x350/0x350 [ 11.236323][ T259] ? rcu_read_lock_any_held+0x66/0x90 [ 11.236326][ T259] ? stack_depot_save_flags+0x38e/0x790 [ 11.236329][ T259] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.236332][ T259] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.236334][ T259] ? validate_chain+0x38b/0xc20 [ 11.236337][ T259] ? kasan_save_stack+0x3d/0x50 [ 11.236339][ T259] ? kasan_save_stack+0x2f/0x50 [ 11.236341][ T259] ? kasan_save_track+0x14/0x30 [ 11.236344][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236346][ T259] ? netlink_seq_next+0x4e/0x60 [ 11.236349][ T259] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.236353][ T259] ? lock_acquire.part.0+0xd4/0x280 [ 11.236355][ T259] ? rtnl_newlink+0x9a8/0x11c0 [ 11.236358][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236360][ T259] ? lock_acquire+0x13c/0x160 [ 11.236362][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236363][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236366][ T259] ? trace_contention_end+0xb3/0x180 [ 11.236370][ T259] ? __mutex_lock+0x1db/0x1ea0 [ 11.236371][ T259] ? __mutex_lock+0x9a3/0x1ea0 [ 11.236373][ T259] ? rtnl_newlink+0x9a8/0x11c0 [ 11.236377][ T259] ? ww_mutex_lock+0x160/0x160 [ 11.236379][ T259] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.236384][ T259] ? __rtnl_newlink+0x3fa/0xa50 [ 11.236389][ T259] rtnl_newlink+0x9f1/0x11c0 [ 11.236394][ T259] ? rtnl_bridge_getlink+0x850/0x850 [ 11.236396][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236400][ T259] ? lock_acquire.part.0+0xd4/0x280 [ 11.236402][ T259] ? find_held_lock+0x2b/0x80 [ 11.236404][ T259] ? rtnl_bridge_getlink+0x850/0x850 [ 11.236406][ T259] ? __lock_release.isra.0+0x69/0x1a0 [ 11.236410][ T259] ? rtnl_bridge_getlink+0x850/0x850 [ 11.236412][ T259] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.236415][ T259] ? rtnl_link_fill+0x920/0x920 [ 11.236416][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236421][ T259] ? lock_acquire.part.0+0xd4/0x280 [ 11.236422][ T259] ? find_held_lock+0x2b/0x80 [ 11.236426][ T259] netlink_rcv_skb+0x14e/0x3a0 [ 11.236428][ T259] ? rtnl_link_fill+0x920/0x920 [ 11.236431][ T259] ? netlink_ack+0xcf0/0xcf0 [ 11.236437][ T259] ? netlink_deliver_tap+0xc5/0x330 [ 11.236438][ T259] ? netlink_deliver_tap+0x13c/0x330 [ 11.236442][ T259] netlink_unicast+0x486/0x750 [ 11.236446][ T259] ? netlink_attachskb+0x810/0x810 [ 11.236449][ T259] ? __lock_acquire+0x518/0xc20 [ 11.236453][ T259] netlink_sendmsg+0x735/0xc60 [ 11.236457][ T259] ? netlink_unicast+0x750/0x750 [ 11.236460][ T259] ? __might_fault+0x97/0x140 [ 11.236465][ T259] ____sys_sendmsg+0x415/0x880 [ 11.236468][ T259] ? copy_msghdr_from_user+0x279/0x420 [ 11.236470][ T259] ? get_timestamp.constprop.0+0x390/0x390 [ 11.236472][ T259] ? move_addr_to_kernel+0x40/0x40 [ 11.236479][ T259] ___sys_sendmsg+0x14e/0x1d0 [ 11.236482][ T259] ? copy_msghdr_from_user+0x420/0x420 [ 11.236498][ T259] __sys_sendmsg+0x12c/0x1d0 [ 11.236500][ T259] ? __sys_sendmsg_sock+0x20/0x20 [ 11.236507][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.236510][ T259] do_syscall_64+0xff/0x530 [ 11.236513][ T259] ? exc_page_fault+0xee/0x100 [ 11.236516][ T259] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.236518][ T259] RIP: 0033:0x7f536ddc754e [ 11.236522][ T259] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 11.236524][ T259] RSP: 002b:00007ffe293d25c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.236526][ T259] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f536ddc754e [ 11.236528][ T259] RDX: 0000000000000000 RSI: 00007ffe293d2670 RDI: 0000000000000005 [ 11.236529][ T259] RBP: 00007ffe293d25d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.236530][ T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da9d [ 11.236530][ T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe293d2d30 [ 11.236537][ T259] [ 11.287793][ T259] br1: port 1(veth1) entered disabled state [ 11.288152][ T259] veth1: entered allmulticast mode [ 11.289795][ T259] veth1: entered promiscuous mode [ 11.297242][ T259] ip (259) used greatest stack depth: 23336 bytes left [ 11.319624][ T92] br1: port 1(veth1) entered blocking state [ 11.320058][ T92] br1: port 1(veth1) entered forwarding state [ 26.492165][ C2] [ 26.492180][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.492182][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 172, name: router_bridge_v [ 26.492184][ C2] preempt_count: 104, expected: 0 [ 26.492185][ C2] RCU nest depth: 0, expected: 0 [ 26.492186][ C2] INFO: lockdep is turned off. [ 26.492186][ C2] irq event stamp: 272608 [ 26.492187][ C2] hardirqs last enabled at (272608): [] _raw_spin_unlock_irq+0x28/0x50 [ 26.492196][ C2] hardirqs last disabled at (272607): [] _raw_spin_lock_irq+0x4a/0x50 [ 26.492198][ C2] softirqs last enabled at (271428): [] handle_softirqs+0x67c/0x900 [ 26.492202][ C2] softirqs last disabled at (272605): [] __irq_exit_rcu+0x145/0x1c0 [ 26.492203][ C2] Preemption disabled at: [ 26.492204][ C2] [<0000000000000000>] 0x0 [ 26.492211][ C2] CPU: 2 UID: 0 PID: 172 Comm: router_bridge_v Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.492214][ C2] Tainted: [W]=WARN [ 26.492215][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.492217][ C2] Call Trace: [ 26.492219][ C2] [ 26.492220][ C2] dump_stack_lvl+0x6f/0xa0 [ 26.492226][ C2] __might_resched.cold+0x1fe/0x2c1 [ 26.492229][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.492233][ C2] ? __asan_memcpy+0x3c/0x60 [ 26.492235][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492239][ C2] __kmalloc_noprof+0x443/0x760 [ 26.492242][ C2] ? __rwlock_init+0x150/0x150 [ 26.492245][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 26.492249][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 26.492251][ C2] alloc_buf.isra.0+0x4b/0x260 [ 26.492253][ C2] put_chars+0x1e1/0x2f0 [ 26.492255][ C2] ? __send_to_port+0x420/0x420 [ 26.492256][ C2] ? console_prepend_replay+0x20/0x20 [ 26.492260][ C2] hvc_console_print+0x292/0x780 [ 26.492263][ C2] ? hvc_write+0x3a0/0x3a0 [ 26.492265][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492266][ C2] ? lock_acquire+0x13c/0x160 [ 26.492269][ C2] console_emit_next_record+0x22f/0x4c0 [ 26.492271][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 26.492273][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492275][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492276][ C2] ? lock_acquire+0x13c/0x160 [ 26.492278][ C2] ? console_flush_one_record+0x111/0x710 [ 26.492280][ C2] console_flush_one_record+0x46f/0x710 [ 26.492282][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 26.492285][ C2] console_unlock+0xee/0x1f0 [ 26.492287][ C2] ? lock_acquire+0x13c/0x160 [ 26.492288][ C2] ? console_flush_one_record+0x710/0x710 [ 26.492290][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492291][ C2] ? lock_release+0x184/0x1f0 [ 26.492293][ C2] ? lock_acquire+0x60/0x160 [ 26.492295][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.492297][ C2] ? vprintk_emit+0x320/0x3e0 [ 26.492299][ C2] vprintk_emit+0x37c/0x3e0 [ 26.492301][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 26.492303][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492305][ C2] ? lock_release+0x184/0x1f0 [ 26.492307][ C2] _printk+0xc7/0x100 [ 26.492310][ C2] ? snapshot_read.cold+0x21/0x21 [ 26.492312][ C2] ? arch_stack_walk+0xed/0x130 [ 26.492316][ C2] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.492318][ C2] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 26.492320][ C2] print_irq_inversion_bug.part.0+0x32/0xc0 [ 26.492322][ C2] mark_lock_irq+0x989/0x9c0 [ 26.492325][ C2] mark_lock+0x1d7/0xa00 [ 26.492327][ C2] mark_usage+0x42/0x170 [ 26.492329][ C2] __lock_acquire+0x388/0xc20 [ 26.492331][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.492332][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.492345][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492347][ C2] ? lock_acquire+0x13c/0x160 [ 26.492348][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.492355][ C2] _raw_spin_lock+0x33/0x40 [ 26.492357][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.492363][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.492369][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.492376][ C2] call_timer_fn+0x160/0x4d0 [ 26.492379][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 26.492381][ C2] ? debug_object_active_state+0x430/0x430 [ 26.492384][ C2] ? find_held_lock+0x2b/0x80 [ 26.492386][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.492388][ C2] ? mark_held_locks+0x40/0x70 [ 26.492390][ C2] __run_timers+0x68f/0xaa0 [ 26.492392][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.492398][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.492400][ C2] ? __lock_acquire+0x518/0xc20 [ 26.492403][ C2] ? __rwlock_init+0x150/0x150 [ 26.492405][ C2] run_timer_softirq+0xf0/0x160 [ 26.492408][ C2] ? __run_timers+0xaa0/0xaa0 [ 26.492409][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492411][ C2] handle_softirqs+0x1d3/0x900 [ 26.492413][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.492415][ C2] ? _local_bh_enable+0xc0/0xc0 [ 26.492417][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.492418][ C2] irq_exit_rcu+0xe/0x30 [ 26.492420][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.492423][ C2] [ 26.492423][ C2] [ 26.492424][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.492426][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 26.492429][ C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 00 74 12 5b [ 26.492431][ C2] RSP: 0018:ffa0000001827cc0 EFLAGS: 00000246 [ 26.492434][ C2] RAX: 0000000000000086 RBX: ff11000001041440 RCX: ffffffffb81a7483 [ 26.492435][ C2] RDX: ff1100000a6046c0 RSI: ffffffffb8a38b1c RDI: ffffffffb848d8e0 [ 26.492436][ C2] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 26.492437][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000029e4528 [ 26.492438][ C2] R13: 0000000000000000 R14: ffa0000001827d08 R15: ff1100000ecd4b88 [ 26.492439][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 26.492442][ C2] qlist_free_all+0x5c/0x110 [ 26.492444][ C2] kasan_quarantine_reduce+0x196/0x240 [ 26.492446][ C2] __kasan_slab_alloc+0x4b/0x70 [ 26.492449][ C2] kmem_cache_alloc_lru_noprof+0x21b/0x5c0 [ 26.492450][ C2] ? alloc_inode+0x87/0xa0 [ 26.492454][ C2] alloc_inode+0x87/0xa0 [ 26.492456][ C2] create_pipe_files+0x56/0x930 [ 26.492459][ C2] __do_pipe_flags+0x3a/0x1b0 [ 26.492461][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.492463][ C2] do_pipe2+0xa4/0x1b0 [ 26.492465][ C2] ? __do_pipe_flags+0x1b0/0x1b0 [ 26.492467][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.492469][ C2] __x64_sys_pipe2+0x53/0x90 [ 26.492471][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 26.492473][ C2] ? do_syscall_64+0xa6/0x530 [ 26.492474][ C2] do_syscall_64+0xff/0x530 [ 26.492476][ C2] ? exc_page_fault+0xee/0x100 [ 26.492477][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.492479][ C2] RIP: 0033:0x7fceb8864d7d [ 26.492480][ C2] Code: 07 31 c0 e9 25 ff ff ff 55 48 8d 3d f5 22 0d 00 48 89 e5 e8 05 92 01 00 0f 1f 44 00 00 f3 0f 1e fa 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0b c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 15 [ 26.492481][ C2] RSP: 002b:00007fff132158d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 26.492483][ C2] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fceb8864d7d [ 26.492484][ C2] RDX: 0000555758d3bf20 RSI: 0000000000000000 RDI: 00007fff13215908 [ 26.492485][ C2] RBP: 00007fff13215a80 R08: 0000555758c42840 R09: 0000000000000200 [ 26.492486][ C2] R10: 0000000000000201 R11: 0000000000000246 R12: 00007fff13215be0 [ 26.492487][ C2] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.492489][ C2] [ 26.519033][ C2] ======================================================== [ 26.519301][ C2] WARNING: possible irq lock inversion dependency detected [ 26.519576][ C2] 7.2.0-virtme #1 Tainted: G W [ 26.519760][ C2] -------------------------------------------------------- [ 26.520029][ C2] router_bridge_v/172 just changed the state of lock: [ 26.520258][ C2] ff1100000c8e2e58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.520615][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 26.520842][ C2] (fs_reclaim){+.+.}-{0:0} [ 26.520844][ C2] [ 26.520844][ C2] [ 26.520844][ C2] and interrupts could create inverse lock ordering between them. [ 26.520844][ C2] [ 26.521482][ C2] [ 26.521482][ C2] other info that might help us debug this: [ 26.521751][ C2] Chain exists of: [ 26.521751][ C2] &br->lock --> console_owner --> fs_reclaim [ 26.521751][ C2] [ 26.522133][ C2] Possible interrupt unsafe locking scenario: [ 26.522133][ C2] [ 26.522400][ C2] CPU0 CPU1 [ 26.522543][ C2] ---- ---- [ 26.522743][ C2] lock(fs_reclaim); [ 26.522855][ C2] local_irq_disable(); [ 26.523093][ C2] lock(&br->lock); [ 26.523275][ C2] lock(console_owner); [ 26.523509][ C2] [ 26.523620][ C2] lock(&br->lock); [ 26.523790][ C2] [ 26.523790][ C2] *** DEADLOCK *** [ 26.523790][ C2] [ 26.524055][ C2] locks held by router_bridge_v/172: 2, last CPU#2: [ 26.524237][ C2] #0: ffffffffb91ae1b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x84/0x240 [ 26.524582][ C2] #1: ffa0000000228c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 26.524933][ C2] [ 26.524933][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 26.525233][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 26.525433][ C2] HARDIRQ-ON-W at: [ 26.525547][ C2] __lock_acquire+0x388/0xc20 [ 26.525786][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.525969][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.526202][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 26.526474][ C2] kthread_create_worker_on_node+0xea/0x210 [ 26.526700][ C2] workqueue_init+0x2a/0x680 [ 26.526936][ C2] kernel_init_freeable+0x2fe/0x630 [ 26.527160][ C2] kernel_init+0x21/0x150 [ 26.527343][ C2] ret_from_fork+0x474/0x6b0 [ 26.527577][ C2] ret_from_fork_asm+0x11/0x20 [ 26.527817][ C2] SOFTIRQ-ON-W at: [ 26.527927][ C2] __lock_acquire+0x388/0xc20 [ 26.528157][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.528338][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.528573][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 26.528846][ C2] kthread_create_worker_on_node+0xea/0x210 [ 26.529062][ C2] workqueue_init+0x2a/0x680 [ 26.529296][ C2] kernel_init_freeable+0x2fe/0x630 [ 26.529563][ C2] kernel_init+0x21/0x150 [ 26.529747][ C2] ret_from_fork+0x474/0x6b0 [ 26.529986][ C2] ret_from_fork_asm+0x11/0x20 [ 26.530217][ C2] INITIAL USE at: [ 26.530324][ C2] __lock_acquire+0x388/0xc20 [ 26.530556][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.530743][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.530977][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 26.531244][ C2] kthread_create_worker_on_node+0xea/0x210 [ 26.531461][ C2] workqueue_init+0x2a/0x680 [ 26.531697][ C2] kernel_init_freeable+0x2fe/0x630 [ 26.531941][ C2] kernel_init+0x21/0x150 [ 26.532121][ C2] ret_from_fork+0x474/0x6b0 [ 26.532353][ C2] ret_from_fork_asm+0x11/0x20 [ 26.532534][ C2] } [ 26.532662][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 26.532883][ C2] ... acquired at: [ 26.533044][ C2] __lock_acquire+0x518/0xc20 [ 26.533194][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.533391][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.533533][ C2] __kmalloc_noprof+0xd3/0x760 [ 26.533729][ C2] alloc_buf.isra.0+0x4b/0x260 [ 26.533876][ C2] put_chars+0x1e1/0x2f0 [ 26.534070][ C2] hvc_console_print+0x292/0x780 [ 26.534215][ C2] console_emit_next_record+0x22f/0x4c0 [ 26.534407][ C2] console_flush_one_record+0x46f/0x710 [ 26.534550][ C2] console_unlock+0xee/0x1f0 [ 26.534750][ C2] vprintk_emit+0x37c/0x3e0 [ 26.534894][ C2] _printk+0xc7/0x100 [ 26.535051][ C2] dm_interface_init+0x50/0x60 [ 26.535194][ C2] dm_init+0x51/0xd0 [ 26.535352][ C2] do_one_initcall+0x124/0x4f0 [ 26.535495][ C2] kernel_init_freeable+0x596/0x630 [ 26.535690][ C2] kernel_init+0x21/0x150 [ 26.535836][ C2] ret_from_fork+0x474/0x6b0 [ 26.536029][ C2] ret_from_fork_asm+0x11/0x20 [ 26.536173][ C2] [ 26.536248][ C2] -> (console_owner){....}-{0:0} { [ 26.536444][ C2] INITIAL USE at: [ 26.536552][ C2] } [ 26.536625][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 26.536892][ C2] ... acquired at: [ 26.537044][ C2] __lock_acquire+0x518/0xc20 [ 26.537188][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.537384][ C2] console_lock_spinning_enable+0x5c/0x60 [ 26.537562][ C2] console_emit_next_record+0x1d1/0x4c0 [ 26.537759][ C2] console_flush_one_record+0x46f/0x710 [ 26.537904][ C2] console_unlock+0xee/0x1f0 [ 26.538100][ C2] vprintk_emit+0x37c/0x3e0 [ 26.538245][ C2] _printk+0xc7/0x100 [ 26.538401][ C2] br_set_state+0x22f/0x430 [bridge] [ 26.538553][ C2] br_init_port+0xc4/0x200 [bridge] [ 26.538754][ C2] br_stp_enable_port+0x12/0x50 [bridge] [ 26.538940][ C2] br_port_carrier_check+0x220/0x430 [bridge] [ 26.539172][ C2] br_device_event+0x52d/0x8f0 [bridge] [ 26.539323][ C2] notifier_call_chain+0xae/0x300 [ 26.539518][ C2] netif_state_change+0x139/0x340 [ 26.539663][ C2] __linkwatch_run_queue+0x34c/0x750 [ 26.539859][ C2] linkwatch_event+0x7f/0xb0 [ 26.540003][ C2] process_one_work+0xe3e/0x1560 [ 26.540198][ C2] worker_thread+0x4f1/0xd60 [ 26.540340][ C2] kthread+0x367/0x460 [ 26.540497][ C2] ret_from_fork+0x474/0x6b0 [ 26.540641][ C2] ret_from_fork_asm+0x11/0x20 [ 26.540836][ C2] [ 26.540909][ C2] -> (&br->lock){+.-.}-{3:3} { [ 26.541053][ C2] HARDIRQ-ON-W at: [ 26.541211][ C2] __lock_acquire+0x388/0xc20 [ 26.541392][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.541622][ C2] _raw_spin_lock_bh+0x38/0x50 [ 26.541858][ C2] recalculate_group_addr+0x51/0x120 [bridge] [ 26.542083][ C2] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 26.542356][ C2] br_changelink+0x575/0x16e0 [bridge] [ 26.542593][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 26.542781][ C2] rtnl_newlink_create+0x2d0/0x750 [ 26.543016][ C2] __rtnl_newlink+0x22b/0xa50 [ 26.543245][ C2] rtnl_newlink+0x9f1/0x11c0 [ 26.543424][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.543657][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 26.543894][ C2] netlink_unicast+0x486/0x750 [ 26.544076][ C2] netlink_sendmsg+0x735/0xc60 [ 26.544311][ C2] ____sys_sendmsg+0x415/0x880 [ 26.544494][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 26.544730][ C2] __sys_sendmsg+0x12c/0x1d0 [ 26.544962][ C2] do_syscall_64+0xff/0x530 [ 26.545146][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.545411][ C2] IN-SOFTIRQ-W at: [ 26.545520][ C2] __lock_acquire+0x388/0xc20 [ 26.545756][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.545987][ C2] _raw_spin_lock+0x33/0x40 [ 26.546169][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.546444][ C2] call_timer_fn+0x160/0x4d0 [ 26.546683][ C2] __run_timers+0x68f/0xaa0 [ 26.546863][ C2] run_timer_softirq+0xf0/0x160 [ 26.547096][ C2] handle_softirqs+0x1d3/0x900 [ 26.547326][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.547507][ C2] irq_exit_rcu+0xe/0x30 [ 26.547743][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.548012][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.548230][ C2] _raw_spin_unlock_irqrestore+0x36/0x80 [ 26.548498][ C2] qlist_free_all+0x5c/0x110 [ 26.548739][ C2] kasan_quarantine_reduce+0x196/0x240 [ 26.548920][ C2] __kasan_slab_alloc+0x4b/0x70 [ 26.549154][ C2] kmem_cache_alloc_lru_noprof+0x21b/0x5c0 [ 26.549419][ C2] alloc_inode+0x87/0xa0 [ 26.549600][ C2] create_pipe_files+0x56/0x930 [ 26.549839][ C2] __do_pipe_flags+0x3a/0x1b0 [ 26.550070][ C2] do_pipe2+0xa4/0x1b0 [ 26.550217][ C2] __x64_sys_pipe2+0x53/0x90 [ 26.550454][ C2] do_syscall_64+0xff/0x530 [ 26.550635][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.550906][ C2] INITIAL USE at: [ 26.551015][ C2] __lock_acquire+0x388/0xc20 [ 26.551267][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.551499][ C2] _raw_spin_lock_bh+0x38/0x50 [ 26.551685][ C2] recalculate_group_addr+0x51/0x120 [bridge] [ 26.551959][ C2] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 26.552230][ C2] br_changelink+0x575/0x16e0 [bridge] [ 26.552416][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 26.552654][ C2] rtnl_newlink_create+0x2d0/0x750 [ 26.552894][ C2] __rtnl_newlink+0x22b/0xa50 [ 26.553074][ C2] rtnl_newlink+0x9f1/0x11c0 [ 26.553304][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.553533][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 26.553716][ C2] netlink_unicast+0x486/0x750 [ 26.553949][ C2] netlink_sendmsg+0x735/0xc60 [ 26.554133][ C2] ____sys_sendmsg+0x415/0x880 [ 26.554363][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 26.554594][ C2] __sys_sendmsg+0x12c/0x1d0 [ 26.554777][ C2] do_syscall_64+0xff/0x530 [ 26.555010][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.555278][ C2] } [ 26.555353][ C2] ... key at: [] __key.7+0x0/0x40 [bridge] [ 26.555621][ C2] ... acquired at: [ 26.555732][ C2] mark_lock+0x1d7/0xa00 [ 26.555926][ C2] mark_usage+0x42/0x170 [ 26.556068][ C2] __lock_acquire+0x388/0xc20 [ 26.556259][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.556401][ C2] _raw_spin_lock+0x33/0x40 [ 26.556598][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.556788][ C2] call_timer_fn+0x160/0x4d0 [ 26.556981][ C2] __run_timers+0x68f/0xaa0 [ 26.557123][ C2] run_timer_softirq+0xf0/0x160 [ 26.557316][ C2] handle_softirqs+0x1d3/0x900 [ 26.557459][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.557652][ C2] irq_exit_rcu+0xe/0x30 [ 26.557800][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.558032][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.558209][ C2] _raw_spin_unlock_irqrestore+0x36/0x80 [ 26.558438][ C2] qlist_free_all+0x5c/0x110 [ 26.558630][ C2] kasan_quarantine_reduce+0x196/0x240 [ 26.558777][ C2] __kasan_slab_alloc+0x4b/0x70 [ 26.558971][ C2] kmem_cache_alloc_lru_noprof+0x21b/0x5c0 [ 26.559148][ C2] alloc_inode+0x87/0xa0 [ 26.559347][ C2] create_pipe_files+0x56/0x930 [ 26.559490][ C2] __do_pipe_flags+0x3a/0x1b0 [ 26.559687][ C2] do_pipe2+0xa4/0x1b0 [ 26.559797][ C2] __x64_sys_pipe2+0x53/0x90 [ 26.559994][ C2] do_syscall_64+0xff/0x530 [ 26.560138][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.560366][ C2] [ 26.560436][ C2] [ 26.560436][ C2] stack backtrace: [ 26.560663][ C2] CPU: 2 UID: 0 PID: 172 Comm: router_bridge_v Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.560670][ C2] Tainted: [W]=WARN [ 26.560671][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.560672][ C2] Call Trace: [ 26.560674][ C2] [ 26.560675][ C2] dump_stack_lvl+0x6f/0xa0 [ 26.560679][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 26.560682][ C2] mark_lock_irq+0x989/0x9c0 [ 26.560685][ C2] mark_lock+0x1d7/0xa00 [ 26.560687][ C2] mark_usage+0x42/0x170 [ 26.560689][ C2] __lock_acquire+0x388/0xc20 [ 26.560691][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.560693][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.560700][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.560704][ C2] ? lock_acquire+0x13c/0x160 [ 26.560706][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.560712][ C2] _raw_spin_lock+0x33/0x40 [ 26.560713][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.560719][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.560725][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.560731][ C2] call_timer_fn+0x160/0x4d0 [ 26.560734][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 26.560735][ C2] ? debug_object_active_state+0x430/0x430 [ 26.560739][ C2] ? find_held_lock+0x2b/0x80 [ 26.560741][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.560743][ C2] ? mark_held_locks+0x40/0x70 [ 26.560744][ C2] __run_timers+0x68f/0xaa0 [ 26.560746][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.560753][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.560755][ C2] ? __lock_acquire+0x518/0xc20 [ 26.560757][ C2] ? __rwlock_init+0x150/0x150 [ 26.560760][ C2] run_timer_softirq+0xf0/0x160 [ 26.560761][ C2] ? __run_timers+0xaa0/0xaa0 [ 26.560763][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.560765][ C2] handle_softirqs+0x1d3/0x900 [ 26.560767][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.560768][ C2] ? _local_bh_enable+0xc0/0xc0 [ 26.560770][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.560772][ C2] irq_exit_rcu+0xe/0x30 [ 26.560773][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.560775][ C2] [ 26.560776][ C2] [ 26.560776][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.560778][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 26.560780][ C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 00 74 12 5b [ 26.560782][ C2] RSP: 0018:ffa0000001827cc0 EFLAGS: 00000246 [ 26.560784][ C2] RAX: 0000000000000086 RBX: ff11000001041440 RCX: ffffffffb81a7483 [ 26.560786][ C2] RDX: ff1100000a6046c0 RSI: ffffffffb8a38b1c RDI: ffffffffb848d8e0 [ 26.560787][ C2] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 26.560787][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000029e4528 [ 26.560788][ C2] R13: 0000000000000000 R14: ffa0000001827d08 R15: ff1100000ecd4b88 [ 26.560790][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 26.560792][ C2] qlist_free_all+0x5c/0x110 [ 26.560794][ C2] kasan_quarantine_reduce+0x196/0x240 [ 26.560795][ C2] __kasan_slab_alloc+0x4b/0x70 [ 26.560797][ C2] kmem_cache_alloc_lru_noprof+0x21b/0x5c0 [ 26.560799][ C2] ? alloc_inode+0x87/0xa0 [ 26.560801][ C2] alloc_inode+0x87/0xa0 [ 26.560803][ C2] create_pipe_files+0x56/0x930 [ 26.560805][ C2] __do_pipe_flags+0x3a/0x1b0 [ 26.560807][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.560809][ C2] do_pipe2+0xa4/0x1b0 [ 26.560811][ C2] ? __do_pipe_flags+0x1b0/0x1b0 [ 26.560813][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.560815][ C2] __x64_sys_pipe2+0x53/0x90 [ 26.560817][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 26.560819][ C2] ? do_syscall_64+0xa6/0x530 [ 26.560820][ C2] do_syscall_64+0xff/0x530 [ 26.560821][ C2] ? exc_page_fault+0xee/0x100 [ 26.560823][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.560824][ C2] RIP: 0033:0x7fceb8864d7d [ 26.560826][ C2] Code: 07 31 c0 e9 25 ff ff ff 55 48 8d 3d f5 22 0d 00 48 89 e5 e8 05 92 01 00 0f 1f 44 00 00 f3 0f 1e fa 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0b c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 15 [ 26.560827][ C2] RSP: 002b:00007fff132158d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 26.560828][ C2] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fceb8864d7d [ 26.560829][ C2] RDX: 0000555758d3bf20 RSI: 0000000000000000 RDI: 00007fff13215908 [ 26.560830][ C2] RBP: 00007fff13215a80 R08: 0000555758c42840 R09: 0000000000000200 [ 26.560831][ C2] R10: 0000000000000201 R11: 0000000000000246 R12: 00007fff13215be0 [ 26.560832][ C2] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.560834][ C2] [ 38.055327][ T443] br1: port 1(veth1) entered disabled state [ 38.055346][ T443] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.055348][ T443] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 443, name: ip [ 38.055350][ T443] preempt_count: 202, expected: 0 [ 38.055351][ T443] RCU nest depth: 0, expected: 0 [ 38.055352][ T443] INFO: lockdep is turned off. [ 38.055353][ T443] irq event stamp: 0 [ 38.055354][ T443] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.055359][ T443] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 38.055365][ T443] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 38.055367][ T443] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.055369][ T443] Preemption disabled at: [ 38.055369][ T443] [<0000000000000000>] 0x0 [ 38.055374][ T443] CPU: 0 UID: 0 PID: 443 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.055378][ T443] Tainted: [W]=WARN [ 38.055378][ T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.055380][ T443] Call Trace: [ 38.055382][ T443] [ 38.055383][ T443] dump_stack_lvl+0x6f/0xa0 [ 38.055388][ T443] __might_resched.cold+0x1fe/0x2c1 [ 38.055392][ T443] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.055396][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055400][ T443] __kmalloc_noprof+0x443/0x760 [ 38.055403][ T443] ? __rwlock_init+0x150/0x150 [ 38.055406][ T443] ? alloc_buf.isra.0+0x4b/0x260 [ 38.055410][ T443] ? do_raw_spin_unlock+0x59/0x250 [ 38.055412][ T443] alloc_buf.isra.0+0x4b/0x260 [ 38.055414][ T443] put_chars+0x1e1/0x2f0 [ 38.055416][ T443] ? __send_to_port+0x420/0x420 [ 38.055417][ T443] ? printk_get_next_message+0x240/0x650 [ 38.055421][ T443] hvc_console_print+0x292/0x780 [ 38.055424][ T443] ? hvc_write+0x3a0/0x3a0 [ 38.055427][ T443] ? __rwlock_init+0x150/0x150 [ 38.055428][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055430][ T443] ? lock_acquire+0x13c/0x160 [ 38.055432][ T443] console_emit_next_record+0x22f/0x4c0 [ 38.055435][ T443] ? devkmsg_read+0x4b0/0x4b0 [ 38.055437][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055438][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055440][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055442][ T443] ? lock_acquire+0x13c/0x160 [ 38.055444][ T443] ? console_flush_one_record+0x111/0x710 [ 38.055445][ T443] console_flush_one_record+0x46f/0x710 [ 38.055448][ T443] ? console_emit_next_record+0x4c0/0x4c0 [ 38.055450][ T443] console_unlock+0xee/0x1f0 [ 38.055452][ T443] ? lock_acquire+0x13c/0x160 [ 38.055454][ T443] ? console_flush_one_record+0x710/0x710 [ 38.055455][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055457][ T443] ? lock_release+0x184/0x1f0 [ 38.055458][ T443] ? lock_acquire+0x60/0x160 [ 38.055460][ T443] ? __rcu_read_lock+0x30/0x70 [ 38.055462][ T443] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.055464][ T443] ? vprintk_emit+0x320/0x3e0 [ 38.055466][ T443] vprintk_emit+0x37c/0x3e0 [ 38.055468][ T443] ? wake_up_klogd_work_func+0x90/0x90 [ 38.055470][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055472][ T443] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.055474][ T443] ? trace_hardirqs_on+0x36/0x40 [ 38.055476][ T443] _printk+0xc7/0x100 [ 38.055479][ T443] ? snapshot_read.cold+0x21/0x21 [ 38.055481][ T443] ? ipv6_mc_down+0x17e/0x2d0 [ 38.055486][ T443] br_set_state+0x22f/0x430 [bridge] [ 38.055499][ T443] br_stp_disable_port+0x11f/0x390 [bridge] [ 38.055507][ T443] br_device_event+0x7b5/0x8f0 [bridge] [ 38.055515][ T443] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 38.055519][ T443] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 38.055521][ T443] ? addrconf_notify+0x2c8/0xf30 [ 38.055525][ T443] notifier_call_chain+0xae/0x300 [ 38.055528][ T443] __dev_notify_flags+0x23c/0x3c0 [ 38.055532][ T443] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.055533][ T443] ? netif_change_name+0x8c0/0x8c0 [ 38.055536][ T443] ? netif_set_allmulti+0x250/0x250 [ 38.055538][ T443] ? __kernel_text_address+0x12/0x30 [ 38.055540][ T443] ? write_profile+0xf0/0xf0 [ 38.055542][ T443] ? unwind_get_return_address+0x67/0xd0 [ 38.055545][ T443] netif_change_flags+0xfe/0x190 [ 38.055547][ T443] do_setlink.isra.0+0x1cc3/0x2750 [ 38.055550][ T443] ? stack_trace_save+0x93/0xc0 [ 38.055551][ T443] ? rtnl_link_get_size+0x350/0x350 [ 38.055552][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055554][ T443] ? stack_depot_save_flags+0x1bc/0x790 [ 38.055558][ T443] ? kasan_save_stack+0x3d/0x50 [ 38.055561][ T443] ? kasan_save_stack+0x2f/0x50 [ 38.055562][ T443] ? kasan_save_track+0x14/0x30 [ 38.055564][ T443] ? __kasan_kmalloc+0x7b/0x90 [ 38.055565][ T443] ? __kmalloc_cache_noprof+0x29a/0x620 [ 38.055567][ T443] ? rtnl_newlink+0x124/0x11c0 [ 38.055568][ T443] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.055569][ T443] ? netlink_rcv_skb+0x14e/0x3a0 [ 38.055571][ T443] ? netlink_unicast+0x486/0x750 [ 38.055573][ T443] ? netlink_sendmsg+0x735/0xc60 [ 38.055574][ T443] ? ____sys_sendmsg+0x415/0x880 [ 38.055577][ T443] ? ___sys_sendmsg+0x14e/0x1d0 [ 38.055578][ T443] ? __sys_sendmsg+0x12c/0x1d0 [ 38.055580][ T443] ? do_syscall_64+0xff/0x530 [ 38.055582][ T443] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.055584][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055586][ T443] ? lock_acquire+0x13c/0x160 [ 38.055588][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055589][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055591][ T443] ? trace_contention_end+0xb3/0x180 [ 38.055594][ T443] ? __mutex_lock+0x1db/0x1ea0 [ 38.055595][ T443] ? __mutex_lock+0x9a3/0x1ea0 [ 38.055597][ T443] ? rtnl_newlink+0x9a8/0x11c0 [ 38.055598][ T443] ? ww_mutex_lock+0x160/0x160 [ 38.055600][ T443] ? __rtnl_newlink+0x3fa/0xa50 [ 38.055603][ T443] rtnl_newlink+0x9f1/0x11c0 [ 38.055605][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055606][ T443] ? rtnl_bridge_getlink+0x850/0x850 [ 38.055608][ T443] ? lock_acquire+0x13c/0x160 [ 38.055609][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055611][ T443] ? is_bpf_text_address+0x3e/0x110 [ 38.055614][ T443] ? is_bpf_text_address+0x72/0x110 [ 38.055616][ T443] ? kernel_text_address+0x149/0x170 [ 38.055617][ T443] ? __kernel_text_address+0x12/0x30 [ 38.055619][ T443] ? write_profile+0xf0/0xf0 [ 38.055620][ T443] ? unwind_get_return_address+0x67/0xd0 [ 38.055621][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055623][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055625][ T443] ? cap_capable+0x1d7/0x3d0 [ 38.055628][ T443] ? lock_acquire+0x13c/0x160 [ 38.055630][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055632][ T443] ? rtnl_bridge_getlink+0x850/0x850 [ 38.055633][ T443] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.055635][ T443] ? rtnl_link_fill+0x920/0x920 [ 38.055636][ T443] ? filter_irq_stacks+0xd0/0xd0 [ 38.055638][ T443] ? stack_depot_save_flags+0x1bc/0x790 [ 38.055640][ T443] netlink_rcv_skb+0x14e/0x3a0 [ 38.055642][ T443] ? rtnl_link_fill+0x920/0x920 [ 38.055643][ T443] ? lock_release+0x184/0x1f0 [ 38.055644][ T443] ? netlink_ack+0xcf0/0xcf0 [ 38.055646][ T443] ? __netlink_lookup+0xb9/0x6b0 [ 38.055648][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055650][ T443] ? lock_release+0x184/0x1f0 [ 38.055652][ T443] netlink_unicast+0x486/0x750 [ 38.055654][ T443] ? netlink_attachskb+0x810/0x810 [ 38.055656][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055657][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055659][ T443] ? lock_acquire+0x13c/0x160 [ 38.055661][ T443] netlink_sendmsg+0x735/0xc60 [ 38.055663][ T443] ? netlink_unicast+0x750/0x750 [ 38.055670][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055672][ T443] ? lock_release+0x184/0x1f0 [ 38.055674][ T443] ____sys_sendmsg+0x415/0x880 [ 38.055675][ T443] ? copy_msghdr_from_user+0x279/0x420 [ 38.055677][ T443] ? get_timestamp.constprop.0+0x390/0x390 [ 38.055678][ T443] ? move_addr_to_kernel+0x40/0x40 [ 38.055680][ T443] ? filter_irq_stacks+0xd0/0xd0 [ 38.055682][ T443] ___sys_sendmsg+0x14e/0x1d0 [ 38.055684][ T443] ? copy_msghdr_from_user+0x420/0x420 [ 38.055689][ T443] __sys_sendmsg+0x12c/0x1d0 [ 38.055691][ T443] ? __sys_sendmsg_sock+0x20/0x20 [ 38.055694][ T443] ? rcu_is_watching+0x16/0xd0 [ 38.055696][ T443] do_syscall_64+0xff/0x530 [ 38.055697][ T443] ? exc_page_fault+0xee/0x100 [ 38.055700][ T443] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.055701][ T443] RIP: 0033:0x7f4d6f3bd54e [ 38.055703][ T443] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 38.055705][ T443] RSP: 002b:00007ffcde3abff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.055709][ T443] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4d6f3bd54e [ 38.055710][ T443] RDX: 0000000000000000 RSI: 00007ffcde3ac0a0 RDI: 0000000000000005 [ 38.055711][ T443] RBP: 00007ffcde3ac000 R08: 0000000000000000 R09: 0000000000000000 [ 38.055712][ T443] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dab8 [ 38.055713][ T443] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcde3ac760 [ 38.055715][ T443] [ 38.089217][ T443] ip (443) used greatest stack depth: 23016 bytes left [ 38.100548][ T444] veth1: left allmulticast mode [ 38.100755][ T444] veth1: left promiscuous mode [ 38.101026][ T444] br1: port 1(veth1) entered disabled state