[ 10.666233][ T186] ip (186) used greatest stack depth: 23952 bytes left [ 10.666254][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.666255][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 10.666257][ T186] preempt_count: 2, expected: 0 [ 10.666258][ T186] RCU nest depth: 0, expected: 0 [ 10.666259][ T186] locks held by ip/186: 5, last CPU#3: [ 10.666262][ T186] #0: ffffffff9ca027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.666274][ T186] #1: ffffffff9cb69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.666280][ T186] #2: ffffffff9cb69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.666284][ T186] #3: ffffffff9ca89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.666288][ T186] #4: ffffffff9ca89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.666292][ T186] irq event stamp: 39152 [ 10.666293][ T186] hardirqs last enabled at (39151): [] __down_trylock_console_sem+0x86/0xa0 [ 10.666295][ T186] hardirqs last disabled at (39152): [] console_emit_next_record+0x3d4/0x4c0 [ 10.666297][ T186] softirqs last enabled at (37866): [] netlink_release+0x17b/0xcf0 [ 10.666302][ T186] softirqs last disabled at (37864): [] netlink_release+0xd2/0xcf0 [ 10.666304][ T186] Preemption disabled at: [ 10.666305][ T186] [<0000000000000000>] 0x0 [ 10.666311][ T186] CPU: 3 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.666315][ T186] Tainted: [W]=WARN [ 10.666316][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.666317][ T186] Call Trace: [ 10.666319][ T186] [ 10.666320][ T186] dump_stack_lvl+0x6f/0xa0 [ 10.666327][ T186] __might_resched.cold+0x1fe/0x2c1 [ 10.666331][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.666336][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 10.666341][ T186] __kmalloc_noprof+0x443/0x760 [ 10.666344][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 10.666350][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 10.666352][ T186] alloc_buf.isra.0+0x4b/0x260 [ 10.666356][ T186] put_chars+0x1e1/0x2f0 [ 10.666359][ T186] ? __send_to_port+0x420/0x420 [ 10.666360][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.666365][ T186] ? validate_chain+0x38b/0xc20 [ 10.666371][ T186] hvc_console_print+0x292/0x780 [ 10.666377][ T186] ? hvc_write+0x3a0/0x3a0 [ 10.666380][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.666382][ T186] ? lock_acquire+0x13c/0x160 [ 10.666386][ T186] console_emit_next_record+0x22f/0x4c0 [ 10.666391][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 10.666392][ T186] ? console_flush_one_record+0x106/0x710 [ 10.666396][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.666398][ T186] ? lock_acquire+0x13c/0x160 [ 10.666402][ T186] console_flush_one_record+0x46f/0x710 [ 10.666407][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 10.666409][ T186] ? __lock_acquire+0x518/0xc20 [ 10.666414][ T186] console_unlock+0xee/0x1f0 [ 10.666417][ T186] ? console_flush_one_record+0x710/0x710 [ 10.666419][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.666422][ T186] ? lock_acquire+0x60/0x160 [ 10.666425][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.666427][ T186] ? vprintk_emit+0x320/0x3e0 [ 10.666431][ T186] vprintk_emit+0x37c/0x3e0 [ 10.666435][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 10.666441][ T186] ? __lock_acquire+0x518/0xc20 [ 10.666445][ T186] _printk+0xc7/0x100 [ 10.666449][ T186] ? snapshot_read.cold+0x21/0x21 [ 10.666452][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.666454][ T186] ? __rwlock_init+0x150/0x150 [ 10.666459][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.666461][ T186] do_exit.cold+0x82/0x9c [ 10.666465][ T186] ? exit_notify+0x890/0x890 [ 10.666467][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 10.666470][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.666475][ T186] do_group_exit+0xb8/0x370 [ 10.666478][ T186] __x64_sys_exit_group+0x3c/0x50 [ 10.666479][ T186] x64_sys_call+0x1567/0x1570 [ 10.666482][ T186] do_syscall_64+0xff/0x530 [ 10.666485][ T186] ? exc_page_fault+0xee/0x100 [ 10.666488][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.666490][ T186] RIP: 0033:0x7f5eec4c51b8 [ 10.666493][ T186] Code: Unable to access opcode bytes at 0x7f5eec4c518e. [ 10.666494][ T186] RSP: 002b:00007ffd3df8cdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.666496][ T186] RAX: ffffffffffffffda RBX: 00007f5eec5f5f88 RCX: 00007f5eec4c51b8 [ 10.666498][ T186] RDX: 00007f5eec20ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.666499][ T186] RBP: 00007ffd3df8ce30 R08: 0000000000000000 R09: 0000000000008010 [ 10.666500][ T186] R10: 00007ffd3df8cbf0 R11: 0000000000000246 R12: 0000000000000001 [ 10.666500][ T186] R13: 0000000000000000 R14: 00007f5eec5f4680 R15: 00007f5eec5f5fa0 [ 10.666508][ T186] [ 12.093851][ T260] br1: port 1(veth1) entered blocking state [ 12.093943][ T260] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.093945][ T260] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 260, name: ip [ 12.093947][ T260] preempt_count: 1, expected: 0 [ 12.093948][ T260] RCU nest depth: 0, expected: 0 [ 12.093949][ T260] locks held by ip/260: 5, last CPU#3: [ 12.093951][ T260] #0: ffffffff9d2d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 12.093963][ T260] #1: ffffffff9cb69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.093970][ T260] #2: ffffffff9cb69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.093974][ T260] #3: ffffffff9ca89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.093978][ T260] #4: ffffffff9ca89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.093982][ T260] irq event stamp: 17376 [ 12.093983][ T260] hardirqs last enabled at (17375): [] __down_trylock_console_sem+0x86/0xa0 [ 12.093986][ T260] hardirqs last disabled at (17376): [] console_emit_next_record+0x3d4/0x4c0 [ 12.093988][ T260] softirqs last enabled at (17288): [] __alloc_skb+0x4c2/0x5f0 [ 12.093991][ T260] softirqs last disabled at (17286): [] __alloc_skb+0x4c2/0x5f0 [ 12.093993][ T260] Preemption disabled at: [ 12.093994][ T260] [] vprintk_emit+0x31b/0x3e0 [ 12.094000][ T260] CPU: 3 UID: 0 PID: 260 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.094004][ T260] Tainted: [W]=WARN [ 12.094004][ T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.094006][ T260] Call Trace: [ 12.094008][ T260] [ 12.094010][ T260] dump_stack_lvl+0x6f/0xa0 [ 12.094016][ T260] ? vprintk_emit+0x31b/0x3e0 [ 12.094018][ T260] __might_resched.cold+0x1fe/0x2c1 [ 12.094023][ T260] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.094027][ T260] ? __kmalloc_noprof+0xdb/0x760 [ 12.094032][ T260] __kmalloc_noprof+0x443/0x760 [ 12.094035][ T260] ? alloc_buf.isra.0+0x4b/0x260 [ 12.094041][ T260] ? do_raw_spin_unlock+0x59/0x250 [ 12.094043][ T260] alloc_buf.isra.0+0x4b/0x260 [ 12.094047][ T260] put_chars+0x1e1/0x2f0 [ 12.094050][ T260] ? __send_to_port+0x420/0x420 [ 12.094054][ T260] ? validate_chain+0x34a/0xc20 [ 12.094058][ T260] hvc_console_print+0x292/0x780 [ 12.094061][ T260] ? mark_usage+0x61/0x170 [ 12.094063][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094065][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094069][ T260] ? hvc_write+0x3a0/0x3a0 [ 12.094071][ T260] ? console_emit_next_record+0x1df/0x4c0 [ 12.094075][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094079][ T260] ? lock_acquire+0x13c/0x160 [ 12.094083][ T260] console_emit_next_record+0x22f/0x4c0 [ 12.094087][ T260] ? devkmsg_read+0x4b0/0x4b0 [ 12.094089][ T260] ? console_flush_one_record+0x106/0x710 [ 12.094092][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094095][ T260] ? lock_acquire+0x13c/0x160 [ 12.094099][ T260] console_flush_one_record+0x46f/0x710 [ 12.094103][ T260] ? console_emit_next_record+0x4c0/0x4c0 [ 12.094105][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094111][ T260] console_unlock+0xee/0x1f0 [ 12.094114][ T260] ? console_flush_one_record+0x710/0x710 [ 12.094116][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094118][ T260] ? lock_acquire+0x60/0x160 [ 12.094122][ T260] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.094124][ T260] ? vprintk_emit+0x320/0x3e0 [ 12.094128][ T260] vprintk_emit+0x37c/0x3e0 [ 12.094132][ T260] ? wake_up_klogd_work_func+0x90/0x90 [ 12.094135][ T260] ? __lock_release.isra.0+0x69/0x1a0 [ 12.094136][ T260] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.094141][ T260] ? mark_held_locks+0x40/0x70 [ 12.094145][ T260] _printk+0xc7/0x100 [ 12.094148][ T260] ? snapshot_read.cold+0x21/0x21 [ 12.094152][ T260] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 12.094165][ T260] ? do_setlink.isra.0+0xa31/0x2750 [ 12.094167][ T260] ? rtnl_newlink+0x9f1/0x11c0 [ 12.094168][ T260] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.094173][ T260] br_set_state+0x22f/0x430 [bridge] [ 12.094184][ T260] br_init_port+0xc4/0x200 [bridge] [ 12.094192][ T260] new_nbp+0x39c/0x580 [bridge] [ 12.094202][ T260] br_add_if+0x212/0x1320 [bridge] [ 12.094209][ T260] ? is_bpf_text_address+0x72/0x110 [ 12.094214][ T260] ? kernel_text_address+0x149/0x170 [ 12.094217][ T260] ? __kernel_text_address+0x12/0x30 [ 12.094221][ T260] do_set_master+0x357/0x580 [ 12.094226][ T260] do_setlink.isra.0+0xa31/0x2750 [ 12.094229][ T260] ? stack_trace_save+0x93/0xc0 [ 12.094233][ T260] ? rtnl_link_get_size+0x350/0x350 [ 12.094234][ T260] ? rcu_read_lock_any_held+0x66/0x90 [ 12.094236][ T260] ? stack_depot_save_flags+0x38e/0x790 [ 12.094240][ T260] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.094250][ T260] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.094251][ T260] ? validate_chain+0x38b/0xc20 [ 12.094254][ T260] ? kasan_save_stack+0x3d/0x50 [ 12.094257][ T260] ? kasan_save_stack+0x2f/0x50 [ 12.094259][ T260] ? kasan_save_track+0x14/0x30 [ 12.094262][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094263][ T260] ? netlink_seq_next+0xe/0x60 [ 12.094267][ T260] ? ___sys_sendmsg+0xb0/0x1d0 [ 12.094272][ T260] ? lock_acquire.part.0+0xd4/0x280 [ 12.094274][ T260] ? rtnl_newlink+0x9a8/0x11c0 [ 12.094276][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094279][ T260] ? lock_acquire+0x13c/0x160 [ 12.094280][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094282][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094285][ T260] ? trace_contention_end+0xb3/0x180 [ 12.094288][ T260] ? __mutex_lock+0x1db/0x1ea0 [ 12.094290][ T260] ? __mutex_lock+0x9a3/0x1ea0 [ 12.094292][ T260] ? rtnl_newlink+0x9a8/0x11c0 [ 12.094296][ T260] ? ww_mutex_lock+0x160/0x160 [ 12.094298][ T260] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.094303][ T260] ? __rtnl_newlink+0x3fa/0xa50 [ 12.094309][ T260] rtnl_newlink+0x9f1/0x11c0 [ 12.094315][ T260] ? rtnl_bridge_getlink+0x850/0x850 [ 12.094317][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094321][ T260] ? lock_acquire.part.0+0xd4/0x280 [ 12.094323][ T260] ? find_held_lock+0x2b/0x80 [ 12.094325][ T260] ? rtnl_bridge_getlink+0x850/0x850 [ 12.094327][ T260] ? __lock_release.isra.0+0x69/0x1a0 [ 12.094331][ T260] ? rtnl_bridge_getlink+0x850/0x850 [ 12.094333][ T260] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.094337][ T260] ? rtnl_link_fill+0x920/0x920 [ 12.094338][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094343][ T260] ? lock_acquire.part.0+0xd4/0x280 [ 12.094345][ T260] ? find_held_lock+0x2b/0x80 [ 12.094348][ T260] netlink_rcv_skb+0x14e/0x3a0 [ 12.094350][ T260] ? rtnl_link_fill+0x920/0x920 [ 12.094353][ T260] ? netlink_ack+0xcf0/0xcf0 [ 12.094360][ T260] ? netlink_deliver_tap+0xc5/0x330 [ 12.094362][ T260] ? netlink_deliver_tap+0x13c/0x330 [ 12.094366][ T260] netlink_unicast+0x486/0x750 [ 12.094370][ T260] ? netlink_attachskb+0x810/0x810 [ 12.094373][ T260] ? __lock_acquire+0x518/0xc20 [ 12.094378][ T260] netlink_sendmsg+0x735/0xc60 [ 12.094382][ T260] ? netlink_unicast+0x750/0x750 [ 12.094386][ T260] ? __might_fault+0x97/0x140 [ 12.094392][ T260] ____sys_sendmsg+0x415/0x880 [ 12.094394][ T260] ? copy_msghdr_from_user+0x279/0x420 [ 12.094397][ T260] ? get_timestamp.constprop.0+0x390/0x390 [ 12.094398][ T260] ? move_addr_to_kernel+0x40/0x40 [ 12.094406][ T260] ___sys_sendmsg+0x14e/0x1d0 [ 12.094409][ T260] ? copy_msghdr_from_user+0x420/0x420 [ 12.094427][ T260] __sys_sendmsg+0x12c/0x1d0 [ 12.094430][ T260] ? __sys_sendmsg_sock+0x20/0x20 [ 12.094437][ T260] ? rcu_is_watching+0x16/0xd0 [ 12.094443][ T260] do_syscall_64+0xff/0x530 [ 12.094446][ T260] ? exc_page_fault+0xee/0x100 [ 12.094449][ T260] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.094451][ T260] RIP: 0033:0x7f4989a5e54e [ 12.094455][ T260] 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 [ 12.094457][ T260] RSP: 002b:00007ffd54be7810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.094460][ T260] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4989a5e54e [ 12.094461][ T260] RDX: 0000000000000000 RSI: 00007ffd54be78c0 RDI: 0000000000000005 [ 12.094462][ T260] RBP: 00007ffd54be7820 R08: 0000000000000000 R09: 0000000000000000 [ 12.094463][ T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918cdd [ 12.094464][ T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd54be7f80 [ 12.094471][ T260] [ 12.133529][ T260] br1: port 1(veth1) entered disabled state [ 12.133875][ T260] veth1: entered allmulticast mode [ 12.135631][ T260] veth1: entered promiscuous mode [ 12.142151][ T260] ip (260) used greatest stack depth: 23336 bytes left [ 12.222238][ T37] br1: port 1(veth1) entered blocking state [ 12.222748][ T37] br1: port 1(veth1) entered forwarding state [ 12.269359][ T273] br1: port 2(veth2) entered blocking state [ 12.269740][ T273] br1: port 2(veth2) entered disabled state [ 12.270106][ T273] veth2: entered allmulticast mode [ 12.271962][ T273] veth2: entered promiscuous mode [ 12.365188][ T188] br1: port 2(veth2) entered blocking state [ 12.365546][ T188] br1: port 2(veth2) entered forwarding state [ 27.511492][ C3] [ 27.511509][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.511511][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/3 [ 27.511513][ C3] preempt_count: 104, expected: 0 [ 27.511514][ C3] RCU nest depth: 0, expected: 0 [ 27.511515][ C3] INFO: lockdep is turned off. [ 27.511516][ C3] irq event stamp: 1063970 [ 27.511517][ C3] hardirqs last enabled at (1063970): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.511525][ C3] hardirqs last disabled at (1063969): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.511527][ C3] softirqs last enabled at (1063918): [] handle_softirqs+0x67c/0x900 [ 27.511531][ C3] softirqs last disabled at (1063967): [] __irq_exit_rcu+0x145/0x1c0 [ 27.511532][ C3] Preemption disabled at: [ 27.511533][ C3] [<0000000000000000>] 0x0 [ 27.511540][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.511543][ C3] Tainted: [W]=WARN [ 27.511544][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.511546][ C3] Call Trace: [ 27.511548][ C3] [ 27.511550][ C3] dump_stack_lvl+0x6f/0xa0 [ 27.511555][ C3] __might_resched.cold+0x1fe/0x2c1 [ 27.511559][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.511562][ C3] ? __asan_memcpy+0x3c/0x60 [ 27.511565][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511569][ C3] __kmalloc_noprof+0x443/0x760 [ 27.511572][ C3] ? __rwlock_init+0x150/0x150 [ 27.511575][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 27.511579][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 27.511580][ C3] alloc_buf.isra.0+0x4b/0x260 [ 27.511583][ C3] put_chars+0x1e1/0x2f0 [ 27.511585][ C3] ? __send_to_port+0x420/0x420 [ 27.511586][ C3] ? console_prepend_replay+0x20/0x20 [ 27.511590][ C3] hvc_console_print+0x292/0x780 [ 27.511593][ C3] ? hvc_write+0x3a0/0x3a0 [ 27.511595][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511597][ C3] ? lock_acquire+0x13c/0x160 [ 27.511599][ C3] console_emit_next_record+0x22f/0x4c0 [ 27.511601][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 27.511603][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511605][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511607][ C3] ? lock_acquire+0x13c/0x160 [ 27.511609][ C3] ? console_flush_one_record+0x111/0x710 [ 27.511611][ C3] console_flush_one_record+0x46f/0x710 [ 27.511613][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 27.511616][ C3] console_unlock+0xee/0x1f0 [ 27.511617][ C3] ? lock_acquire+0x13c/0x160 [ 27.511619][ C3] ? console_flush_one_record+0x710/0x710 [ 27.511621][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511622][ C3] ? lock_release+0x184/0x1f0 [ 27.511624][ C3] ? lock_acquire+0x60/0x160 [ 27.511626][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.511627][ C3] ? vprintk_emit+0x320/0x3e0 [ 27.511629][ C3] vprintk_emit+0x37c/0x3e0 [ 27.511632][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 27.511634][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.511645][ C3] ? lock_release+0x184/0x1f0 [ 27.511647][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.511653][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.511659][ C3] ? is_module_text_address+0x154/0x250 [ 27.511663][ C3] _printk+0xc7/0x100 [ 27.511666][ C3] ? snapshot_read.cold+0x21/0x21 [ 27.511667][ C3] ? arch_stack_walk+0xd7/0x130 [ 27.511672][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.511674][ C3] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.511676][ C3] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.511678][ C3] mark_lock_irq+0x989/0x9c0 [ 27.511681][ C3] mark_lock+0x1d7/0xa00 [ 27.511683][ C3] mark_usage+0x42/0x170 [ 27.511685][ C3] __lock_acquire+0x388/0xc20 [ 27.511687][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.511689][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.511695][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511697][ C3] ? lock_acquire+0x13c/0x160 [ 27.511699][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.511705][ C3] _raw_spin_lock+0x33/0x40 [ 27.511707][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.511713][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.511720][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.511726][ C3] call_timer_fn+0x160/0x4d0 [ 27.511729][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 27.511731][ C3] ? debug_object_active_state+0x430/0x430 [ 27.511734][ C3] ? find_held_lock+0x2b/0x80 [ 27.511736][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 27.511738][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511740][ C3] __run_timers+0x68f/0xaa0 [ 27.511742][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.511749][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.511751][ C3] ? __lock_acquire+0x518/0xc20 [ 27.511754][ C3] ? __rwlock_init+0x150/0x150 [ 27.511756][ C3] run_timer_softirq+0xf0/0x160 [ 27.511758][ C3] ? __run_timers+0xaa0/0xaa0 [ 27.511760][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.511762][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511764][ C3] handle_softirqs+0x1d3/0x900 [ 27.511766][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 27.511767][ C3] ? _local_bh_enable+0xc0/0xc0 [ 27.511769][ C3] __irq_exit_rcu+0x145/0x1c0 [ 27.511771][ C3] irq_exit_rcu+0xe/0x30 [ 27.511772][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.511776][ C3] [ 27.511776][ C3] [ 27.511777][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 27.511779][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.511781][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.511783][ C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.511785][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 27.511788][ C3] RAX: 0000000000103c1d RBX: ff11000001c88040 RCX: ffffffff998f0307 [ 27.511790][ C3] RDX: ff11000001c88040 RSI: ffffffff9c638af6 RDI: ffffffff9c08d8e0 [ 27.511791][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.511792][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 27.511792][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 27.511794][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.511797][ C3] default_idle+0x9/0x10 [ 27.511799][ C3] default_idle_call+0x6e/0xb0 [ 27.511801][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.511802][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 27.511804][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 27.511807][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.511809][ C3] do_idle+0xd8/0x190 [ 27.511810][ C3] cpu_startup_entry+0x53/0x70 [ 27.511812][ C3] start_secondary+0x204/0x2b0 [ 27.511814][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 27.511816][ C3] common_startup_64+0x13e/0x148 [ 27.511820][ C3] [ 27.531601][ C3] ======================================================== [ 27.531852][ C3] WARNING: possible irq lock inversion dependency detected [ 27.532101][ C3] 7.2.0-virtme #1 Tainted: G W [ 27.532272][ C3] -------------------------------------------------------- [ 27.532527][ C3] swapper/3/0 just changed the state of lock: [ 27.532743][ C3] ff1100000d5d2e58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.533069][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.533270][ C3] (fs_reclaim){+.+.}-{0:0} [ 27.533272][ C3] [ 27.533272][ C3] [ 27.533272][ C3] and interrupts could create inverse lock ordering between them. [ 27.533272][ C3] [ 27.533872][ C3] [ 27.533872][ C3] other info that might help us debug this: [ 27.534121][ C3] Chain exists of: [ 27.534121][ C3] &br->lock --> console_owner --> fs_reclaim [ 27.534121][ C3] [ 27.534482][ C3] Possible interrupt unsafe locking scenario: [ 27.534482][ C3] [ 27.534738][ C3] CPU0 CPU1 [ 27.534881][ C3] ---- ---- [ 27.535067][ C3] lock(fs_reclaim); [ 27.535173][ C3] local_irq_disable(); [ 27.535399][ C3] lock(&br->lock); [ 27.535622][ C3] lock(console_owner); [ 27.535797][ C3] [ 27.535950][ C3] lock(&br->lock); [ 27.536055][ C3] [ 27.536055][ C3] *** DEADLOCK *** [ 27.536055][ C3] [ 27.536310][ C3] locks held by swapper/3/0: 1, last CPU#3: [ 27.536483][ C3] #0: ffa0000000280c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.536808][ C3] [ 27.536808][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 27.537094][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 27.537285][ C3] HARDIRQ-ON-W at: [ 27.537398][ C3] __lock_acquire+0x388/0xc20 [ 27.537628][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.537799][ C3] fs_reclaim_acquire+0xd5/0x120 [ 27.538021][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 27.538272][ C3] kthread_create_worker_on_node+0xea/0x210 [ 27.538485][ C3] workqueue_init+0x2a/0x680 [ 27.538707][ C3] kernel_init_freeable+0x2fe/0x630 [ 27.538960][ C3] kernel_init+0x21/0x150 [ 27.539136][ C3] ret_from_fork+0x474/0x6b0 [ 27.539364][ C3] ret_from_fork_asm+0x11/0x20 [ 27.539586][ C3] SOFTIRQ-ON-W at: [ 27.539688][ C3] __lock_acquire+0x388/0xc20 [ 27.539907][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.540079][ C3] fs_reclaim_acquire+0xd5/0x120 [ 27.540303][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 27.540508][ C3] kthread_create_worker_on_node+0xea/0x210 [ 27.540715][ C3] workqueue_init+0x2a/0x680 [ 27.540932][ C3] kernel_init_freeable+0x2fe/0x630 [ 27.541187][ C3] kernel_init+0x21/0x150 [ 27.541365][ C3] ret_from_fork+0x474/0x6b0 [ 27.541582][ C3] ret_from_fork_asm+0x11/0x20 [ 27.541801][ C3] INITIAL USE at: [ 27.541906][ C3] __lock_acquire+0x388/0xc20 [ 27.542126][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.542305][ C3] fs_reclaim_acquire+0xd5/0x120 [ 27.542524][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 27.542776][ C3] kthread_create_worker_on_node+0xea/0x210 [ 27.542982][ C3] workqueue_init+0x2a/0x680 [ 27.543198][ C3] kernel_init_freeable+0x2fe/0x630 [ 27.543425][ C3] kernel_init+0x21/0x150 [ 27.543597][ C3] ret_from_fork+0x474/0x6b0 [ 27.543814][ C3] ret_from_fork_asm+0x11/0x20 [ 27.544036][ C3] } [ 27.544110][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.544366][ C3] ... acquired at: [ 27.544473][ C3] __lock_acquire+0x518/0xc20 [ 27.544615][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.544797][ C3] fs_reclaim_acquire+0xd5/0x120 [ 27.544933][ C3] __kmalloc_noprof+0xd3/0x760 [ 27.545118][ C3] alloc_buf.isra.0+0x4b/0x260 [ 27.545256][ C3] put_chars+0x1e1/0x2f0 [ 27.545445][ C3] hvc_console_print+0x292/0x780 [ 27.545584][ C3] console_emit_next_record+0x22f/0x4c0 [ 27.545766][ C3] console_flush_one_record+0x46f/0x710 [ 27.545903][ C3] console_unlock+0xee/0x1f0 [ 27.546086][ C3] vprintk_emit+0x37c/0x3e0 [ 27.546222][ C3] _printk+0xc7/0x100 [ 27.546376][ C3] i8042_pnp_init+0xf7/0x3c0 [ 27.546516][ C3] i8042_platform_init+0x3f9/0x460 [ 27.546701][ C3] i8042_init+0x45/0x130 [ 27.546836][ C3] do_one_initcall+0x124/0x4f0 [ 27.547022][ C3] kernel_init_freeable+0x596/0x630 [ 27.547158][ C3] kernel_init+0x21/0x150 [ 27.547347][ C3] ret_from_fork+0x474/0x6b0 [ 27.547480][ C3] ret_from_fork_asm+0x11/0x20 [ 27.547665][ C3] [ 27.547738][ C3] -> (console_owner){....}-{0:0} { [ 27.547930][ C3] INITIAL USE at: [ 27.548033][ C3] } [ 27.548100][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.548354][ C3] ... acquired at: [ 27.548457][ C3] __lock_acquire+0x518/0xc20 [ 27.548640][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.548774][ C3] console_lock_spinning_enable+0x5c/0x60 [ 27.548991][ C3] console_emit_next_record+0x1d1/0x4c0 [ 27.549128][ C3] console_flush_one_record+0x46f/0x710 [ 27.549314][ C3] console_unlock+0xee/0x1f0 [ 27.549450][ C3] vprintk_emit+0x37c/0x3e0 [ 27.549634][ C3] _printk+0xc7/0x100 [ 27.549737][ C3] br_set_state+0x22f/0x430 [bridge] [ 27.549928][ C3] br_init_port+0xc4/0x200 [bridge] [ 27.550071][ C3] br_stp_enable_port+0x12/0x50 [bridge] [ 27.550321][ C3] br_port_carrier_check+0x220/0x430 [bridge] [ 27.550601][ C3] br_device_event+0x52d/0x8f0 [bridge] [ 27.550762][ C3] notifier_call_chain+0xae/0x300 [ 27.550952][ C3] netif_state_change+0x139/0x340 [ 27.551131][ C3] __linkwatch_run_queue+0x34c/0x750 [ 27.551328][ C3] linkwatch_event+0x7f/0xb0 [ 27.551471][ C3] process_one_work+0xe3e/0x1560 [ 27.551660][ C3] worker_thread+0x4f1/0xd60 [ 27.551795][ C3] kthread+0x367/0x460 [ 27.551900][ C3] ret_from_fork+0x474/0x6b0 [ 27.552083][ C3] ret_from_fork_asm+0x11/0x20 [ 27.552219][ C3] [ 27.552336][ C3] -> (&br->lock){+.-.}-{3:3} { [ 27.552475][ C3] HARDIRQ-ON-W at: [ 27.552631][ C3] __lock_acquire+0x388/0xc20 [ 27.552806][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.553028][ C3] _raw_spin_lock_bh+0x38/0x50 [ 27.553204][ C3] br_set_ageing_time+0x2d/0xf0 [bridge] [ 27.553421][ C3] br_changelink+0x240/0x16e0 [bridge] [ 27.553598][ C3] br_dev_newlink+0xeb/0x160 [bridge] [ 27.553775][ C3] rtnl_newlink_create+0x2d0/0x750 [ 27.553946][ C3] __rtnl_newlink+0x22b/0xa50 [ 27.554117][ C3] rtnl_newlink+0x9f1/0x11c0 [ 27.554290][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.554465][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 27.554638][ C3] netlink_unicast+0x486/0x750 [ 27.554813][ C3] netlink_sendmsg+0x735/0xc60 [ 27.554985][ C3] ____sys_sendmsg+0x415/0x880 [ 27.555158][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 27.555333][ C3] __sys_sendmsg+0x12c/0x1d0 [ 27.555507][ C3] do_syscall_64+0xff/0x530 [ 27.555685][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.555891][ C3] IN-SOFTIRQ-W at: [ 27.555996][ C3] __lock_acquire+0x388/0xc20 [ 27.556169][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.556353][ C3] _raw_spin_lock+0x33/0x40 [ 27.556528][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.556744][ C3] call_timer_fn+0x160/0x4d0 [ 27.556920][ C3] __run_timers+0x68f/0xaa0 [ 27.557092][ C3] run_timer_softirq+0xf0/0x160 [ 27.557266][ C3] handle_softirqs+0x1d3/0x900 [ 27.557442][ C3] __irq_exit_rcu+0x145/0x1c0 [ 27.557613][ C3] irq_exit_rcu+0xe/0x30 [ 27.557786][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.557990][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.558197][ C3] pv_native_safe_halt+0xf/0x10 [ 27.558373][ C3] default_idle+0x9/0x10 [ 27.558546][ C3] default_idle_call+0x6e/0xb0 [ 27.558719][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.558931][ C3] do_idle+0xd8/0x190 [ 27.559070][ C3] cpu_startup_entry+0x53/0x70 [ 27.559241][ C3] start_secondary+0x204/0x2b0 [ 27.559420][ C3] common_startup_64+0x13e/0x148 [ 27.559593][ C3] INITIAL USE at: [ 27.559700][ C3] __lock_acquire+0x388/0xc20 [ 27.559880][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.560053][ C3] _raw_spin_lock_bh+0x38/0x50 [ 27.560227][ C3] br_set_ageing_time+0x2d/0xf0 [bridge] [ 27.560450][ C3] br_changelink+0x240/0x16e0 [bridge] [ 27.560626][ C3] br_dev_newlink+0xeb/0x160 [bridge] [ 27.560807][ C3] rtnl_newlink_create+0x2d0/0x750 [ 27.560982][ C3] __rtnl_newlink+0x22b/0xa50 [ 27.561158][ C3] rtnl_newlink+0x9f1/0x11c0 [ 27.561333][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.561506][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 27.561686][ C3] netlink_unicast+0x486/0x750 [ 27.561859][ C3] netlink_sendmsg+0x735/0xc60 [ 27.562036][ C3] ____sys_sendmsg+0x415/0x880 [ 27.562213][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 27.562392][ C3] __sys_sendmsg+0x12c/0x1d0 [ 27.562566][ C3] do_syscall_64+0xff/0x530 [ 27.562742][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.562951][ C3] } [ 27.563023][ C3] ... key at: [] __key.7+0x0/0x40 [bridge] [ 27.563233][ C3] ... acquired at: [ 27.563342][ C3] mark_lock+0x1d7/0xa00 [ 27.563483][ C3] mark_usage+0x42/0x170 [ 27.563622][ C3] __lock_acquire+0x388/0xc20 [ 27.563759][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.563901][ C3] _raw_spin_lock+0x33/0x40 [ 27.564038][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.564207][ C3] call_timer_fn+0x160/0x4d0 [ 27.564344][ C3] __run_timers+0x68f/0xaa0 [ 27.564480][ C3] run_timer_softirq+0xf0/0x160 [ 27.564615][ C3] handle_softirqs+0x1d3/0x900 [ 27.564747][ C3] __irq_exit_rcu+0x145/0x1c0 [ 27.564885][ C3] irq_exit_rcu+0xe/0x30 [ 27.565021][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.565185][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.565357][ C3] pv_native_safe_halt+0xf/0x10 [ 27.565491][ C3] default_idle+0x9/0x10 [ 27.565622][ C3] default_idle_call+0x6e/0xb0 [ 27.565756][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.565924][ C3] do_idle+0xd8/0x190 [ 27.566027][ C3] cpu_startup_entry+0x53/0x70 [ 27.566412][ C3] start_secondary+0x204/0x2b0 [ 27.566544][ C3] common_startup_64+0x13e/0x148 [ 27.566678][ C3] [ 27.566748][ C3] [ 27.566748][ C3] stack backtrace: [ 27.566924][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.566928][ C3] Tainted: [W]=WARN [ 27.566929][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.566930][ C3] Call Trace: [ 27.566931][ C3] [ 27.566933][ C3] dump_stack_lvl+0x6f/0xa0 [ 27.566937][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.566941][ C3] mark_lock_irq+0x989/0x9c0 [ 27.566944][ C3] mark_lock+0x1d7/0xa00 [ 27.566946][ C3] mark_usage+0x42/0x170 [ 27.566948][ C3] __lock_acquire+0x388/0xc20 [ 27.566950][ C3] lock_acquire.part.0+0xd4/0x280 [ 27.566952][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.566959][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.566963][ C3] ? lock_acquire+0x13c/0x160 [ 27.566965][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.566972][ C3] _raw_spin_lock+0x33/0x40 [ 27.566974][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.566982][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.566989][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.566997][ C3] call_timer_fn+0x160/0x4d0 [ 27.566999][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 27.567001][ C3] ? debug_object_active_state+0x430/0x430 [ 27.567005][ C3] ? find_held_lock+0x2b/0x80 [ 27.567007][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 27.567009][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.567011][ C3] __run_timers+0x68f/0xaa0 [ 27.567013][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.567021][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.567022][ C3] ? __lock_acquire+0x518/0xc20 [ 27.567025][ C3] ? __rwlock_init+0x150/0x150 [ 27.567027][ C3] run_timer_softirq+0xf0/0x160 [ 27.567029][ C3] ? __run_timers+0xaa0/0xaa0 [ 27.567031][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.567034][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.567035][ C3] handle_softirqs+0x1d3/0x900 [ 27.567037][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 27.567039][ C3] ? _local_bh_enable+0xc0/0xc0 [ 27.567041][ C3] __irq_exit_rcu+0x145/0x1c0 [ 27.567042][ C3] irq_exit_rcu+0xe/0x30 [ 27.567043][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.567045][ C3] [ 27.567046][ C3] [ 27.567046][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 27.567048][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.567050][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.567052][ C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.567054][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 27.567057][ C3] RAX: 0000000000103c1d RBX: ff11000001c88040 RCX: ffffffff998f0307 [ 27.567059][ C3] RDX: ff11000001c88040 RSI: ffffffff9c638af6 RDI: ffffffff9c08d8e0 [ 27.567059][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.567060][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 27.567061][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 27.567063][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.567065][ C3] default_idle+0x9/0x10 [ 27.567067][ C3] default_idle_call+0x6e/0xb0 [ 27.567068][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.567070][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 27.567072][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 27.567074][ C3] ? rcu_is_watching+0x16/0xd0 [ 27.567076][ C3] do_idle+0xd8/0x190 [ 27.567077][ C3] cpu_startup_entry+0x53/0x70 [ 27.567079][ C3] start_secondary+0x204/0x2b0 [ 27.567080][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 27.567082][ C3] common_startup_64+0x13e/0x148 [ 27.567085][ C3] [ 30.275988][ T721] br1: port 2(veth2) entered disabled state [ 30.276007][ T721] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.276009][ T721] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 721, name: ip [ 30.276010][ T721] preempt_count: 202, expected: 0 [ 30.276011][ T721] RCU nest depth: 0, expected: 0 [ 30.276012][ T721] INFO: lockdep is turned off. [ 30.276013][ T721] irq event stamp: 0 [ 30.276014][ T721] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.276019][ T721] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 30.276025][ T721] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 30.276026][ T721] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.276028][ T721] Preemption disabled at: [ 30.276029][ T721] [<0000000000000000>] 0x0 [ 30.276034][ T721] CPU: 0 UID: 0 PID: 721 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.276038][ T721] Tainted: [W]=WARN [ 30.276039][ T721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.276040][ T721] Call Trace: [ 30.276041][ T721] [ 30.276043][ T721] dump_stack_lvl+0x6f/0xa0 [ 30.276048][ T721] __might_resched.cold+0x1fe/0x2c1 [ 30.276053][ T721] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.276056][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276060][ T721] __kmalloc_noprof+0x443/0x760 [ 30.276064][ T721] ? __rwlock_init+0x150/0x150 [ 30.276067][ T721] ? alloc_buf.isra.0+0x4b/0x260 [ 30.276071][ T721] ? do_raw_spin_unlock+0x59/0x250 [ 30.276073][ T721] alloc_buf.isra.0+0x4b/0x260 [ 30.276075][ T721] put_chars+0x1e1/0x2f0 [ 30.276077][ T721] ? __send_to_port+0x420/0x420 [ 30.276078][ T721] ? printk_get_next_message+0x240/0x650 [ 30.276082][ T721] hvc_console_print+0x292/0x780 [ 30.276085][ T721] ? hvc_write+0x3a0/0x3a0 [ 30.276087][ T721] ? __rwlock_init+0x150/0x150 [ 30.276088][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276090][ T721] ? lock_acquire+0x13c/0x160 [ 30.276092][ T721] console_emit_next_record+0x22f/0x4c0 [ 30.276095][ T721] ? devkmsg_read+0x4b0/0x4b0 [ 30.276097][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276098][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276100][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276102][ T721] ? lock_acquire+0x13c/0x160 [ 30.276104][ T721] ? console_flush_one_record+0x111/0x710 [ 30.276105][ T721] console_flush_one_record+0x46f/0x710 [ 30.276108][ T721] ? console_emit_next_record+0x4c0/0x4c0 [ 30.276110][ T721] console_unlock+0xee/0x1f0 [ 30.276112][ T721] ? lock_acquire+0x13c/0x160 [ 30.276113][ T721] ? console_flush_one_record+0x710/0x710 [ 30.276115][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276116][ T721] ? lock_release+0x184/0x1f0 [ 30.276118][ T721] ? lock_acquire+0x60/0x160 [ 30.276119][ T721] ? __rcu_read_lock+0x30/0x70 [ 30.276121][ T721] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.276123][ T721] ? vprintk_emit+0x320/0x3e0 [ 30.276125][ T721] vprintk_emit+0x37c/0x3e0 [ 30.276127][ T721] ? wake_up_klogd_work_func+0x90/0x90 [ 30.276129][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276131][ T721] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.276133][ T721] ? trace_hardirqs_on+0x36/0x40 [ 30.276135][ T721] _printk+0xc7/0x100 [ 30.276138][ T721] ? snapshot_read.cold+0x21/0x21 [ 30.276140][ T721] ? ipv6_mc_down+0x17e/0x2d0 [ 30.276145][ T721] br_set_state+0x22f/0x430 [bridge] [ 30.276158][ T721] br_stp_disable_port+0x11f/0x390 [bridge] [ 30.276165][ T721] br_device_event+0x7b5/0x8f0 [bridge] [ 30.276174][ T721] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 30.276177][ T721] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 30.276180][ T721] ? addrconf_notify+0x2c8/0xf30 [ 30.276183][ T721] notifier_call_chain+0xae/0x300 [ 30.276186][ T721] __dev_notify_flags+0x23c/0x3c0 [ 30.276190][ T721] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.276191][ T721] ? netif_change_name+0x8c0/0x8c0 [ 30.276193][ T721] ? netif_set_allmulti+0x250/0x250 [ 30.276195][ T721] ? __kernel_text_address+0x12/0x30 [ 30.276197][ T721] ? write_profile+0xf0/0xf0 [ 30.276199][ T721] ? unwind_get_return_address+0x67/0xd0 [ 30.276202][ T721] netif_change_flags+0xfe/0x190 [ 30.276204][ T721] do_setlink.isra.0+0x1cc3/0x2750 [ 30.276207][ T721] ? stack_trace_save+0x93/0xc0 [ 30.276209][ T721] ? rtnl_link_get_size+0x350/0x350 [ 30.276210][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276212][ T721] ? stack_depot_save_flags+0x1bc/0x790 [ 30.276215][ T721] ? kasan_save_stack+0x3d/0x50 [ 30.276218][ T721] ? kasan_save_stack+0x2f/0x50 [ 30.276219][ T721] ? kasan_save_track+0x14/0x30 [ 30.276221][ T721] ? __kasan_kmalloc+0x7b/0x90 [ 30.276222][ T721] ? __kmalloc_cache_noprof+0x29a/0x620 [ 30.276224][ T721] ? rtnl_newlink+0x124/0x11c0 [ 30.276225][ T721] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.276226][ T721] ? netlink_rcv_skb+0x14e/0x3a0 [ 30.276228][ T721] ? netlink_unicast+0x486/0x750 [ 30.276230][ T721] ? netlink_sendmsg+0x735/0xc60 [ 30.276231][ T721] ? ____sys_sendmsg+0x415/0x880 [ 30.276233][ T721] ? ___sys_sendmsg+0x14e/0x1d0 [ 30.276235][ T721] ? __sys_sendmsg+0x12c/0x1d0 [ 30.276236][ T721] ? do_syscall_64+0xff/0x530 [ 30.276238][ T721] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.276241][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276242][ T721] ? lock_acquire+0x13c/0x160 [ 30.276244][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276245][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276247][ T721] ? trace_contention_end+0xb3/0x180 [ 30.276250][ T721] ? __mutex_lock+0x1db/0x1ea0 [ 30.276251][ T721] ? __mutex_lock+0x9a3/0x1ea0 [ 30.276253][ T721] ? rtnl_newlink+0x9a8/0x11c0 [ 30.276254][ T721] ? ww_mutex_lock+0x160/0x160 [ 30.276256][ T721] ? __rtnl_newlink+0x3fa/0xa50 [ 30.276258][ T721] rtnl_newlink+0x9f1/0x11c0 [ 30.276260][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276262][ T721] ? rtnl_bridge_getlink+0x850/0x850 [ 30.276263][ T721] ? lock_acquire+0x13c/0x160 [ 30.276264][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276266][ T721] ? is_bpf_text_address+0x3e/0x110 [ 30.276270][ T721] ? is_bpf_text_address+0x72/0x110 [ 30.276271][ T721] ? kernel_text_address+0x149/0x170 [ 30.276273][ T721] ? __kernel_text_address+0x12/0x30 [ 30.276274][ T721] ? write_profile+0xf0/0xf0 [ 30.276275][ T721] ? unwind_get_return_address+0x67/0xd0 [ 30.276276][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276278][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276280][ T721] ? cap_capable+0x1d7/0x3d0 [ 30.276283][ T721] ? lock_acquire+0x13c/0x160 [ 30.276285][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276286][ T721] ? rtnl_bridge_getlink+0x850/0x850 [ 30.276288][ T721] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.276289][ T721] ? rtnl_link_fill+0x920/0x920 [ 30.276291][ T721] ? filter_irq_stacks+0xd0/0xd0 [ 30.276292][ T721] ? stack_depot_save_flags+0x1bc/0x790 [ 30.276294][ T721] netlink_rcv_skb+0x14e/0x3a0 [ 30.276296][ T721] ? rtnl_link_fill+0x920/0x920 [ 30.276297][ T721] ? lock_release+0x184/0x1f0 [ 30.276298][ T721] ? netlink_ack+0xcf0/0xcf0 [ 30.276300][ T721] ? __netlink_lookup+0xb9/0x6b0 [ 30.276302][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276304][ T721] ? lock_release+0x184/0x1f0 [ 30.276306][ T721] netlink_unicast+0x486/0x750 [ 30.276308][ T721] ? netlink_attachskb+0x810/0x810 [ 30.276315][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276317][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276318][ T721] ? lock_acquire+0x13c/0x160 [ 30.276320][ T721] netlink_sendmsg+0x735/0xc60 [ 30.276322][ T721] ? netlink_unicast+0x750/0x750 [ 30.276324][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276326][ T721] ? lock_release+0x184/0x1f0 [ 30.276327][ T721] ____sys_sendmsg+0x415/0x880 [ 30.276329][ T721] ? copy_msghdr_from_user+0x279/0x420 [ 30.276331][ T721] ? get_timestamp.constprop.0+0x390/0x390 [ 30.276332][ T721] ? move_addr_to_kernel+0x40/0x40 [ 30.276334][ T721] ? filter_irq_stacks+0xd0/0xd0 [ 30.276336][ T721] ___sys_sendmsg+0x14e/0x1d0 [ 30.276338][ T721] ? copy_msghdr_from_user+0x420/0x420 [ 30.276343][ T721] __sys_sendmsg+0x12c/0x1d0 [ 30.276344][ T721] ? __sys_sendmsg_sock+0x20/0x20 [ 30.276347][ T721] ? rcu_is_watching+0x16/0xd0 [ 30.276349][ T721] do_syscall_64+0xff/0x530 [ 30.276350][ T721] ? exc_page_fault+0xee/0x100 [ 30.276352][ T721] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.276354][ T721] RIP: 0033:0x7fde06ffc54e [ 30.276355][ T721] 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 [ 30.276357][ T721] RSP: 002b:00007ffdcc8c0dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.276361][ T721] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde06ffc54e [ 30.276362][ T721] RDX: 0000000000000000 RSI: 00007ffdcc8c0e80 RDI: 0000000000000005 [ 30.276363][ T721] RBP: 00007ffdcc8c0de0 R08: 0000000000000000 R09: 0000000000000000 [ 30.276364][ T721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918cef [ 30.276365][ T721] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcc8c1540 [ 30.276367][ T721] [ 30.308025][ T721] ip (721) used greatest stack depth: 23016 bytes left [ 30.323707][ T723] veth2: left allmulticast mode [ 30.323869][ T723] veth2: left promiscuous mode [ 30.324074][ T723] br1: port 2(veth2) entered disabled state [ 30.346568][ T725] br1: port 1(veth1) entered disabled state [ 30.364354][ T727] veth1: left allmulticast mode [ 30.365379][ T727] veth1: left promiscuous mode [ 30.365599][ T727] br1: port 1(veth1) entered disabled state