[ 10.274895][ T188] ip (188) used greatest stack depth: 23728 bytes left [ 10.274912][ T188] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.274914][ T188] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 188, name: ip [ 10.274915][ T188] preempt_count: 2, expected: 0 [ 10.274916][ T188] RCU nest depth: 0, expected: 0 [ 10.274917][ T188] locks held by ip/188: 5, last CPU#0: [ 10.274920][ T188] #0: ffffffffbcc027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.274932][ T188] #1: ffffffffbcd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.274938][ T188] #2: ffffffffbcd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.274942][ T188] #3: ffffffffbcc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.274946][ T188] #4: ffffffffbcc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.274950][ T188] irq event stamp: 43100 [ 10.274951][ T188] hardirqs last enabled at (43099): [] __down_trylock_console_sem+0x86/0xa0 [ 10.274954][ T188] hardirqs last disabled at (43100): [] console_emit_next_record+0x3d4/0x4c0 [ 10.274956][ T188] softirqs last enabled at (41814): [] netlink_release+0x17b/0xcf0 [ 10.274959][ T188] softirqs last disabled at (41812): [] netlink_release+0xd2/0xcf0 [ 10.274962][ T188] Preemption disabled at: [ 10.274962][ T188] [<0000000000000000>] 0x0 [ 10.274969][ T188] CPU: 0 UID: 0 PID: 188 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.274972][ T188] Tainted: [W]=WARN [ 10.274973][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.274975][ T188] Call Trace: [ 10.274977][ T188] [ 10.274978][ T188] dump_stack_lvl+0x6f/0xa0 [ 10.274984][ T188] __might_resched.cold+0x1fe/0x2c1 [ 10.274989][ T188] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.274993][ T188] ? __kmalloc_noprof+0xdb/0x760 [ 10.274998][ T188] __kmalloc_noprof+0x443/0x760 [ 10.275000][ T188] ? alloc_buf.isra.0+0x4b/0x260 [ 10.275006][ T188] ? do_raw_spin_unlock+0x59/0x250 [ 10.275009][ T188] alloc_buf.isra.0+0x4b/0x260 [ 10.275012][ T188] put_chars+0x1e1/0x2f0 [ 10.275015][ T188] ? __send_to_port+0x420/0x420 [ 10.275016][ T188] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.275021][ T188] ? validate_chain+0x38b/0xc20 [ 10.275026][ T188] hvc_console_print+0x292/0x780 [ 10.275033][ T188] ? hvc_write+0x3a0/0x3a0 [ 10.275035][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.275037][ T188] ? lock_acquire+0x13c/0x160 [ 10.275041][ T188] console_emit_next_record+0x22f/0x4c0 [ 10.275045][ T188] ? devkmsg_read+0x4b0/0x4b0 [ 10.275047][ T188] ? console_flush_one_record+0x106/0x710 [ 10.275050][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.275052][ T188] ? lock_acquire+0x13c/0x160 [ 10.275056][ T188] console_flush_one_record+0x46f/0x710 [ 10.275060][ T188] ? console_emit_next_record+0x4c0/0x4c0 [ 10.275062][ T188] ? __lock_acquire+0x518/0xc20 [ 10.275067][ T188] console_unlock+0xee/0x1f0 [ 10.275070][ T188] ? console_flush_one_record+0x710/0x710 [ 10.275072][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.275074][ T188] ? lock_acquire+0x60/0x160 [ 10.275078][ T188] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.275079][ T188] ? vprintk_emit+0x320/0x3e0 [ 10.275083][ T188] vprintk_emit+0x37c/0x3e0 [ 10.275087][ T188] ? wake_up_klogd_work_func+0x90/0x90 [ 10.275090][ T188] ? __lock_acquire+0x518/0xc20 [ 10.275094][ T188] _printk+0xc7/0x100 [ 10.275097][ T188] ? snapshot_read.cold+0x21/0x21 [ 10.275100][ T188] ? do_raw_spin_lock+0x131/0x280 [ 10.275103][ T188] ? __rwlock_init+0x150/0x150 [ 10.275107][ T188] ? do_raw_spin_lock+0x131/0x280 [ 10.275109][ T188] do_exit.cold+0x82/0x9c [ 10.275113][ T188] ? exit_notify+0x890/0x890 [ 10.275115][ T188] ? __lock_release.isra.0+0x69/0x1a0 [ 10.275117][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.275122][ T188] do_group_exit+0xb8/0x370 [ 10.275124][ T188] __x64_sys_exit_group+0x3c/0x50 [ 10.275126][ T188] x64_sys_call+0x1567/0x1570 [ 10.275128][ T188] do_syscall_64+0xff/0x530 [ 10.275131][ T188] ? exc_page_fault+0xee/0x100 [ 10.275135][ T188] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.275137][ T188] RIP: 0033:0x7f047ab2d1b8 [ 10.275139][ T188] Code: Unable to access opcode bytes at 0x7f047ab2d18e. [ 10.275141][ T188] RSP: 002b:00007ffc70328ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.275143][ T188] RAX: ffffffffffffffda RBX: 00007f047ac5df88 RCX: 00007f047ab2d1b8 [ 10.275144][ T188] RDX: 00007f047a877fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.275145][ T188] RBP: 00007ffc70328b30 R08: 0000000000000000 R09: 0000000000008010 [ 10.275146][ T188] R10: 00007ffc703288f0 R11: 0000000000000246 R12: 0000000000000001 [ 10.275147][ T188] R13: 0000000000000000 R14: 00007f047ac5c680 R15: 00007f047ac5dfa0 [ 10.275154][ T188] [ 11.229594][ T226] 8021q: 802.1Q VLAN Support v1.8 [ 11.996538][ T250] br0: port 1(veth1) entered blocking state [ 11.996658][ T250] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.996660][ T250] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 250, name: ip [ 11.996662][ T250] preempt_count: 1, expected: 0 [ 11.996663][ T250] RCU nest depth: 0, expected: 0 [ 11.996664][ T250] locks held by ip/250: 5, last CPU#3: [ 11.996666][ T250] #0: ffffffffbd4d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.996678][ T250] #1: ffffffffbcd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.996684][ T250] #2: ffffffffbcd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.996688][ T250] #3: ffffffffbcc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.996692][ T250] #4: ffffffffbcc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.996696][ T250] irq event stamp: 18450 [ 11.996697][ T250] hardirqs last enabled at (18449): [] __down_trylock_console_sem+0x86/0xa0 [ 11.996699][ T250] hardirqs last disabled at (18450): [] console_emit_next_record+0x3d4/0x4c0 [ 11.996701][ T250] softirqs last enabled at (18362): [] __alloc_skb+0x4c2/0x5f0 [ 11.996705][ T250] softirqs last disabled at (18360): [] __alloc_skb+0x4c2/0x5f0 [ 11.996707][ T250] Preemption disabled at: [ 11.996708][ T250] [] vprintk_emit+0x31b/0x3e0 [ 11.996714][ T250] CPU: 3 UID: 0 PID: 250 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.996717][ T250] Tainted: [W]=WARN [ 11.996718][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.996719][ T250] Call Trace: [ 11.996721][ T250] [ 11.996722][ T250] dump_stack_lvl+0x6f/0xa0 [ 11.996728][ T250] ? vprintk_emit+0x31b/0x3e0 [ 11.996731][ T250] __might_resched.cold+0x1fe/0x2c1 [ 11.996735][ T250] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.996740][ T250] ? __kmalloc_noprof+0xdb/0x760 [ 11.996745][ T250] __kmalloc_noprof+0x443/0x760 [ 11.996747][ T250] ? alloc_buf.isra.0+0x4b/0x260 [ 11.996752][ T250] ? do_raw_spin_unlock+0x59/0x250 [ 11.996755][ T250] alloc_buf.isra.0+0x4b/0x260 [ 11.996758][ T250] put_chars+0x1e1/0x2f0 [ 11.996761][ T250] ? __send_to_port+0x420/0x420 [ 11.996766][ T250] ? validate_chain+0x34a/0xc20 [ 11.996769][ T250] hvc_console_print+0x292/0x780 [ 11.996772][ T250] ? mark_usage+0x61/0x170 [ 11.996774][ T250] ? __lock_acquire+0x518/0xc20 [ 11.996775][ T250] ? __lock_acquire+0x518/0xc20 [ 11.996779][ T250] ? hvc_write+0x3a0/0x3a0 [ 11.996781][ T250] ? console_emit_next_record+0x1df/0x4c0 [ 11.996789][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.996793][ T250] ? lock_acquire+0x13c/0x160 [ 11.996798][ T250] console_emit_next_record+0x22f/0x4c0 [ 11.996801][ T250] ? devkmsg_read+0x4b0/0x4b0 [ 11.996803][ T250] ? console_flush_one_record+0x106/0x710 [ 11.996806][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.996808][ T250] ? lock_acquire+0x13c/0x160 [ 11.996812][ T250] console_flush_one_record+0x46f/0x710 [ 11.996816][ T250] ? console_emit_next_record+0x4c0/0x4c0 [ 11.996818][ T250] ? __lock_acquire+0x518/0xc20 [ 11.996823][ T250] console_unlock+0xee/0x1f0 [ 11.996826][ T250] ? console_flush_one_record+0x710/0x710 [ 11.996828][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.996830][ T250] ? lock_acquire+0x60/0x160 [ 11.996834][ T250] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.996835][ T250] ? vprintk_emit+0x320/0x3e0 [ 11.996838][ T250] vprintk_emit+0x37c/0x3e0 [ 11.996842][ T250] ? wake_up_klogd_work_func+0x90/0x90 [ 11.996845][ T250] ? __lock_release.isra.0+0x69/0x1a0 [ 11.996846][ T250] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.996851][ T250] ? mark_held_locks+0x40/0x70 [ 11.996854][ T250] _printk+0xc7/0x100 [ 11.996858][ T250] ? snapshot_read.cold+0x21/0x21 [ 11.996862][ T250] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.996874][ T250] ? do_setlink.isra.0+0xa31/0x2750 [ 11.996876][ T250] ? rtnl_newlink+0x9f1/0x11c0 [ 11.996877][ T250] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.996881][ T250] br_set_state+0x22f/0x430 [bridge] [ 11.996891][ T250] br_init_port+0xc4/0x200 [bridge] [ 11.996899][ T250] new_nbp+0x39c/0x580 [bridge] [ 11.996909][ T250] br_add_if+0x212/0x1320 [bridge] [ 11.996916][ T250] ? is_bpf_text_address+0x72/0x110 [ 11.996920][ T250] ? kernel_text_address+0x149/0x170 [ 11.996923][ T250] ? __kernel_text_address+0x12/0x30 [ 11.996926][ T250] do_set_master+0x357/0x580 [ 11.996931][ T250] do_setlink.isra.0+0xa31/0x2750 [ 11.996934][ T250] ? stack_trace_save+0x93/0xc0 [ 11.996937][ T250] ? rtnl_link_get_size+0x350/0x350 [ 11.996939][ T250] ? rcu_read_lock_any_held+0x66/0x90 [ 11.996941][ T250] ? stack_depot_save_flags+0x38e/0x790 [ 11.996945][ T250] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.996947][ T250] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.996949][ T250] ? validate_chain+0x38b/0xc20 [ 11.996952][ T250] ? kasan_save_stack+0x3d/0x50 [ 11.996955][ T250] ? kasan_save_stack+0x2f/0x50 [ 11.996956][ T250] ? kasan_save_track+0x14/0x30 [ 11.996959][ T250] ? __lock_acquire+0x518/0xc20 [ 11.996961][ T250] ? netlink_seq_next+0x4e/0x60 [ 11.996964][ T250] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.996968][ T250] ? lock_acquire.part.0+0xd4/0x280 [ 11.996970][ T250] ? rtnl_newlink+0x9a8/0x11c0 [ 11.996972][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.996975][ T250] ? lock_acquire+0x13c/0x160 [ 11.996976][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.996978][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.996980][ T250] ? trace_contention_end+0xb3/0x180 [ 11.996984][ T250] ? __mutex_lock+0x1db/0x1ea0 [ 11.996986][ T250] ? __mutex_lock+0x9a3/0x1ea0 [ 11.996988][ T250] ? rtnl_newlink+0x9a8/0x11c0 [ 11.996991][ T250] ? ww_mutex_lock+0x160/0x160 [ 11.996993][ T250] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.996998][ T250] ? __rtnl_newlink+0x3fa/0xa50 [ 11.997003][ T250] rtnl_newlink+0x9f1/0x11c0 [ 11.997012][ T250] ? rtnl_bridge_getlink+0x850/0x850 [ 11.997015][ T250] ? __lock_acquire+0x518/0xc20 [ 11.997020][ T250] ? lock_acquire.part.0+0xd4/0x280 [ 11.997022][ T250] ? find_held_lock+0x2b/0x80 [ 11.997024][ T250] ? rtnl_bridge_getlink+0x850/0x850 [ 11.997026][ T250] ? __lock_release.isra.0+0x69/0x1a0 [ 11.997030][ T250] ? rtnl_bridge_getlink+0x850/0x850 [ 11.997032][ T250] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.997035][ T250] ? rtnl_link_fill+0x920/0x920 [ 11.997036][ T250] ? __lock_acquire+0x518/0xc20 [ 11.997040][ T250] ? lock_acquire.part.0+0xd4/0x280 [ 11.997042][ T250] ? find_held_lock+0x2b/0x80 [ 11.997046][ T250] netlink_rcv_skb+0x14e/0x3a0 [ 11.997047][ T250] ? rtnl_link_fill+0x920/0x920 [ 11.997050][ T250] ? netlink_ack+0xcf0/0xcf0 [ 11.997056][ T250] ? netlink_deliver_tap+0xc5/0x330 [ 11.997058][ T250] ? netlink_deliver_tap+0x13c/0x330 [ 11.997062][ T250] netlink_unicast+0x486/0x750 [ 11.997066][ T250] ? netlink_attachskb+0x810/0x810 [ 11.997068][ T250] ? __lock_acquire+0x518/0xc20 [ 11.997072][ T250] netlink_sendmsg+0x735/0xc60 [ 11.997076][ T250] ? netlink_unicast+0x750/0x750 [ 11.997080][ T250] ? __might_fault+0x97/0x140 [ 11.997085][ T250] ____sys_sendmsg+0x415/0x880 [ 11.997088][ T250] ? copy_msghdr_from_user+0x279/0x420 [ 11.997090][ T250] ? get_timestamp.constprop.0+0x390/0x390 [ 11.997092][ T250] ? move_addr_to_kernel+0x40/0x40 [ 11.997099][ T250] ___sys_sendmsg+0x14e/0x1d0 [ 11.997102][ T250] ? copy_msghdr_from_user+0x420/0x420 [ 11.997117][ T250] __sys_sendmsg+0x12c/0x1d0 [ 11.997120][ T250] ? __sys_sendmsg_sock+0x20/0x20 [ 11.997126][ T250] ? rcu_is_watching+0x16/0xd0 [ 11.997130][ T250] do_syscall_64+0xff/0x530 [ 11.997132][ T250] ? exc_page_fault+0xee/0x100 [ 11.997135][ T250] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.997137][ T250] RIP: 0033:0x7f5b2460354e [ 11.997141][ T250] 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 [ 11.997143][ T250] RSP: 002b:00007fff35a92cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.997146][ T250] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5b2460354e [ 11.997147][ T250] RDX: 0000000000000000 RSI: 00007fff35a92d60 RDI: 0000000000000005 [ 11.997148][ T250] RBP: 00007fff35a92cc0 R08: 0000000000000000 R09: 0000000000000000 [ 11.997149][ T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156ea [ 11.997150][ T250] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff35a93420 [ 11.997156][ T250] [ 12.037439][ T250] br0: port 1(veth1) entered disabled state [ 12.037844][ T250] veth1: entered allmulticast mode [ 12.040738][ T250] veth1: entered promiscuous mode [ 12.050858][ T250] ip (250) used greatest stack depth: 23336 bytes left [ 12.075645][ T251] br0: port 2(veth2) entered blocking state [ 12.075992][ T251] br0: port 2(veth2) entered disabled state [ 12.076331][ T251] veth2: entered allmulticast mode [ 12.077986][ T251] veth2: entered promiscuous mode [ 12.158517][ T36] br0: port 1(veth1) entered blocking state [ 12.158996][ T36] br0: port 1(veth1) entered forwarding state [ 12.187999][ T38] br0: port 2(veth2) entered blocking state [ 12.193726][ T38] br0: port 2(veth2) entered forwarding state [ 27.612468][ C0] [ 27.612490][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.612493][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 27.612495][ C0] preempt_count: 104, expected: 0 [ 27.612496][ C0] RCU nest depth: 0, expected: 0 [ 27.612498][ C0] INFO: lockdep is turned off. [ 27.612498][ C0] irq event stamp: 709676 [ 27.612499][ C0] hardirqs last enabled at (709676): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.612509][ C0] hardirqs last disabled at (709675): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.612511][ C0] softirqs last enabled at (709654): [] handle_softirqs+0x67c/0x900 [ 27.612516][ C0] softirqs last disabled at (709673): [] __irq_exit_rcu+0x145/0x1c0 [ 27.612518][ C0] Preemption disabled at: [ 27.612519][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 27.612526][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.612531][ C0] Tainted: [W]=WARN [ 27.612532][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.612535][ C0] Call Trace: [ 27.612537][ C0] [ 27.612539][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.612545][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 27.612547][ C0] __might_resched.cold+0x1fe/0x2c1 [ 27.612551][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.612555][ C0] ? __asan_memcpy+0x3c/0x60 [ 27.612558][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612562][ C0] __kmalloc_noprof+0x443/0x760 [ 27.612567][ C0] ? __rwlock_init+0x150/0x150 [ 27.612570][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 27.612574][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 27.612576][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.612579][ C0] put_chars+0x1e1/0x2f0 [ 27.612581][ C0] ? __send_to_port+0x420/0x420 [ 27.612584][ C0] ? console_prepend_replay+0x20/0x20 [ 27.612588][ C0] hvc_console_print+0x292/0x780 [ 27.612593][ C0] ? hvc_write+0x3a0/0x3a0 [ 27.612595][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612597][ C0] ? lock_acquire+0x13c/0x160 [ 27.612601][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.612604][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 27.612607][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612609][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612612][ C0] ? lock_acquire+0x13c/0x160 [ 27.612615][ C0] ? console_flush_one_record+0x111/0x710 [ 27.612617][ C0] console_flush_one_record+0x46f/0x710 [ 27.612620][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 27.612625][ C0] console_unlock+0xee/0x1f0 [ 27.612627][ C0] ? lock_acquire+0x13c/0x160 [ 27.612629][ C0] ? console_flush_one_record+0x710/0x710 [ 27.612632][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612634][ C0] ? lock_release+0x184/0x1f0 [ 27.612636][ C0] ? lock_acquire+0x60/0x160 [ 27.612639][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.612642][ C0] ? vprintk_emit+0x320/0x3e0 [ 27.612645][ C0] vprintk_emit+0x37c/0x3e0 [ 27.612648][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 27.612650][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612653][ C0] ? lock_release+0x184/0x1f0 [ 27.612655][ C0] ? x86_64_start_kernel+0xe0/0x130 [ 27.612661][ C0] _printk+0xc7/0x100 [ 27.612665][ C0] ? snapshot_read.cold+0x21/0x21 [ 27.612667][ C0] ? arch_stack_walk+0xd7/0x130 [ 27.612673][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.612676][ C0] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.612679][ C0] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.612682][ C0] mark_lock_irq+0x989/0x9c0 [ 27.612687][ C0] mark_lock+0x1d7/0xa00 [ 27.612690][ C0] mark_usage+0x42/0x170 [ 27.612692][ C0] __lock_acquire+0x388/0xc20 [ 27.612696][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.612698][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.612716][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612719][ C0] ? lock_acquire+0x13c/0x160 [ 27.612722][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.612733][ C0] _raw_spin_lock+0x33/0x40 [ 27.612736][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.612747][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.612758][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.612770][ C0] call_timer_fn+0x160/0x4d0 [ 27.612774][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.612777][ C0] ? debug_object_active_state+0x430/0x430 [ 27.612781][ C0] ? find_held_lock+0x2b/0x80 [ 27.612784][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.612787][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612790][ C0] __run_timers+0x68f/0xaa0 [ 27.612793][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.612805][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.612807][ C0] ? __lock_acquire+0x518/0xc20 [ 27.612811][ C0] ? __rwlock_init+0x150/0x150 [ 27.612815][ C0] run_timer_softirq+0xf0/0x160 [ 27.612818][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.612821][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.612824][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612827][ C0] handle_softirqs+0x1d3/0x900 [ 27.612829][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.612832][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.612835][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.612837][ C0] irq_exit_rcu+0xe/0x30 [ 27.612840][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.612843][ C0] [ 27.612844][ C0] [ 27.612845][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.612848][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.612852][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.612856][ C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 [ 27.612858][ C0] RSP: 0018:ffffffffbca07cf8 EFLAGS: 00000296 [ 27.612867][ C0] RAX: 00000000000ad427 RBX: ffffffffbca1c600 RCX: ffffffffb9af0307 [ 27.612869][ C0] RDX: ffffffffbca1c600 RSI: ffffffffbc838b01 RDI: ffffffffbc28d8e0 [ 27.612870][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.612872][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7940fa2 [ 27.612873][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.612876][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.612880][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.612882][ C0] default_idle+0x9/0x10 [ 27.612885][ C0] default_idle_call+0x6e/0xb0 [ 27.612887][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.612890][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.612892][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.612896][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.612899][ C0] do_idle+0xd8/0x190 [ 27.612901][ C0] cpu_startup_entry+0x53/0x70 [ 27.612903][ C0] rest_init+0x279/0x280 [ 27.612906][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.612910][ C0] ? rest_init+0x280/0x280 [ 27.612913][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.612917][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.612921][ C0] ? acpi_enable+0x1e4/0x330 [ 27.612924][ C0] start_kernel+0x3af/0x3b0 [ 27.612927][ C0] x86_64_start_reservations+0x24/0x30 [ 27.612930][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.612933][ C0] common_startup_64+0x13e/0x148 [ 27.612939][ C0] [ 27.647167][ C0] ======================================================== [ 27.647595][ C0] WARNING: possible irq lock inversion dependency detected [ 27.648009][ C0] 7.2.0-virtme #1 Tainted: G W [ 27.648286][ C0] -------------------------------------------------------- [ 27.648701][ C0] swapper/0/0 just changed the state of lock: [ 27.649063][ C0] ff1100000cc3ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.649608][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.649938][ C0] (fs_reclaim){+.+.}-{0:0} [ 27.649944][ C0] [ 27.649944][ C0] [ 27.649944][ C0] and interrupts could create inverse lock ordering between them. [ 27.649944][ C0] [ 27.650932][ C0] [ 27.650932][ C0] other info that might help us debug this: [ 27.651345][ C0] Chain exists of: [ 27.651345][ C0] &br->lock --> console_owner --> fs_reclaim [ 27.651345][ C0] [ 27.651948][ C0] Possible interrupt unsafe locking scenario: [ 27.651948][ C0] [ 27.652370][ C0] CPU0 CPU1 [ 27.652593][ C0] ---- ---- [ 27.652915][ C0] lock(fs_reclaim); [ 27.653085][ C0] local_irq_disable(); [ 27.653454][ C0] lock(&br->lock); [ 27.653742][ C0] lock(console_owner); [ 27.654111][ C0] [ 27.654279][ C0] lock(&br->lock); [ 27.654536][ C0] [ 27.654536][ C0] *** DEADLOCK *** [ 27.654536][ C0] [ 27.654954][ C0] locks held by swapper/0/0: 1, last CPU#0: [ 27.655240][ C0] #0: ffa0000000007c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.655781][ C0] [ 27.655781][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 27.656261][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 27.656582][ C0] HARDIRQ-ON-W at: [ 27.656757][ C0] __lock_acquire+0x388/0xc20 [ 27.657142][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.657420][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.657785][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.658211][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.658545][ C0] workqueue_init+0x2a/0x680 [ 27.658920][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.659345][ C0] kernel_init+0x21/0x150 [ 27.659626][ C0] ret_from_fork+0x474/0x6b0 [ 27.659997][ C0] ret_from_fork_asm+0x11/0x20 [ 27.660366][ C0] SOFTIRQ-ON-W at: [ 27.660538][ C0] __lock_acquire+0x388/0xc20 [ 27.660885][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.661165][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.661532][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.661959][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.662297][ C0] workqueue_init+0x2a/0x680 [ 27.662666][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.663092][ C0] kernel_init+0x21/0x150 [ 27.663369][ C0] ret_from_fork+0x474/0x6b0 [ 27.663738][ C0] ret_from_fork_asm+0x11/0x20 [ 27.664112][ C0] INITIAL USE at: [ 27.664278][ C0] __lock_acquire+0x388/0xc20 [ 27.664647][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.664932][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.665299][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.665728][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.666075][ C0] workqueue_init+0x2a/0x680 [ 27.666443][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.666817][ C0] kernel_init+0x21/0x150 [ 27.667104][ C0] ret_from_fork+0x474/0x6b0 [ 27.667470][ C0] ret_from_fork_asm+0x11/0x20 [ 27.667759][ C0] } [ 27.667968][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.668299][ C0] ... acquired at: [ 27.668469][ C0] __lock_acquire+0x518/0xc20 [ 27.668697][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.669017][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.669244][ C0] __kmalloc_noprof+0xd3/0x760 [ 27.669557][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.669781][ C0] put_chars+0x1e1/0x2f0 [ 27.670097][ C0] hvc_console_print+0x292/0x780 [ 27.670319][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.670622][ C0] console_flush_one_record+0x46f/0x710 [ 27.670845][ C0] console_unlock+0xee/0x1f0 [ 27.671160][ C0] vprintk_emit+0x37c/0x3e0 [ 27.671383][ C0] _printk+0xc7/0x100 [ 27.671633][ C0] dm_interface_init+0x50/0x60 [ 27.671853][ C0] dm_init+0x51/0xd0 [ 27.672119][ C0] do_one_initcall+0x124/0x4f0 [ 27.672342][ C0] kernel_init_freeable+0x596/0x630 [ 27.672637][ C0] kernel_init+0x21/0x150 [ 27.672868][ C0] ret_from_fork+0x474/0x6b0 [ 27.673182][ C0] ret_from_fork_asm+0x11/0x20 [ 27.673409][ C0] [ 27.673522][ C0] -> (console_owner){....}-{0:0} { [ 27.673836][ C0] INITIAL USE at: [ 27.674010][ C0] } [ 27.674127][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.674545][ C0] ... acquired at: [ 27.674798][ C0] __lock_acquire+0x518/0xc20 [ 27.675033][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.675350][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.675627][ C0] console_emit_next_record+0x1d1/0x4c0 [ 27.675943][ C0] console_flush_one_record+0x46f/0x710 [ 27.676167][ C0] console_unlock+0xee/0x1f0 [ 27.676481][ C0] vprintk_emit+0x37c/0x3e0 [ 27.676700][ C0] _printk+0xc7/0x100 [ 27.676962][ C0] br_set_state+0x22f/0x430 [bridge] [ 27.677203][ C0] br_init_port+0xc4/0x200 [bridge] [ 27.677521][ C0] br_stp_enable_port+0x12/0x50 [bridge] [ 27.677809][ C0] br_port_carrier_check+0x220/0x430 [bridge] [ 27.678192][ C0] br_device_event+0x52d/0x8f0 [bridge] [ 27.678423][ C0] notifier_call_chain+0xae/0x300 [ 27.678734][ C0] netif_state_change+0x139/0x340 [ 27.678973][ C0] __linkwatch_run_queue+0x34c/0x750 [ 27.679283][ C0] linkwatch_event+0x7f/0xb0 [ 27.679506][ C0] process_one_work+0xe3e/0x1560 [ 27.679820][ C0] worker_thread+0x4f1/0xd60 [ 27.680047][ C0] kthread+0x367/0x460 [ 27.680303][ C0] ret_from_fork+0x474/0x6b0 [ 27.680526][ C0] ret_from_fork_asm+0x11/0x20 [ 27.680848][ C0] [ 27.680967][ C0] -> (&br->lock){+.-.}-{3:3} { [ 27.681191][ C0] HARDIRQ-ON-W at: [ 27.681445][ C0] __lock_acquire+0x388/0xc20 [ 27.681731][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.682103][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.682468][ C0] recalculate_group_addr+0x51/0x120 [bridge] [ 27.682820][ C0] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 27.683258][ C0] br_changelink+0x575/0x16e0 [bridge] [ 27.683642][ C0] br_dev_newlink+0xeb/0x160 [bridge] [ 27.683942][ C0] rtnl_newlink_create+0x2d0/0x750 [ 27.684315][ C0] __rtnl_newlink+0x22b/0xa50 [ 27.684688][ C0] rtnl_newlink+0x9f1/0x11c0 [ 27.684971][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.685342][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.685714][ C0] netlink_unicast+0x486/0x750 [ 27.685995][ C0] netlink_sendmsg+0x735/0xc60 [ 27.686367][ C0] ____sys_sendmsg+0x415/0x880 [ 27.686662][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.687041][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.687411][ C0] do_syscall_64+0xff/0x530 [ 27.687691][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.688118][ C0] IN-SOFTIRQ-W at: [ 27.688292][ C0] __lock_acquire+0x388/0xc20 [ 27.688666][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.689043][ C0] _raw_spin_lock+0x33/0x40 [ 27.689324][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.689757][ C0] call_timer_fn+0x160/0x4d0 [ 27.690132][ C0] __run_timers+0x68f/0xaa0 [ 27.690414][ C0] run_timer_softirq+0xf0/0x160 [ 27.690793][ C0] handle_softirqs+0x1d3/0x900 [ 27.691167][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.691451][ C0] irq_exit_rcu+0xe/0x30 [ 27.691822][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.692253][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.692595][ C0] pv_native_safe_halt+0xf/0x10 [ 27.692974][ C0] default_idle+0x9/0x10 [ 27.693341][ C0] default_idle_call+0x6e/0xb0 [ 27.693620][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.694047][ C0] do_idle+0xd8/0x190 [ 27.694272][ C0] cpu_startup_entry+0x53/0x70 [ 27.694643][ C0] rest_init+0x279/0x280 [ 27.695016][ C0] start_kernel+0x3af/0x3b0 [ 27.695298][ C0] x86_64_start_reservations+0x24/0x30 [ 27.695664][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.696039][ C0] common_startup_64+0x13e/0x148 [ 27.696321][ C0] INITIAL USE at: [ 27.696582][ C0] __lock_acquire+0x388/0xc20 [ 27.696870][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.697239][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.697521][ C0] recalculate_group_addr+0x51/0x120 [bridge] [ 27.697961][ C0] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 27.698401][ C0] br_changelink+0x575/0x16e0 [bridge] [ 27.698780][ C0] br_dev_newlink+0xeb/0x160 [bridge] [ 27.699075][ C0] rtnl_newlink_create+0x2d0/0x750 [ 27.699447][ C0] __rtnl_newlink+0x22b/0xa50 [ 27.699731][ C0] rtnl_newlink+0x9f1/0x11c0 [ 27.700109][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.700482][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.700765][ C0] netlink_unicast+0x486/0x750 [ 27.701134][ C0] netlink_sendmsg+0x735/0xc60 [ 27.701494][ C0] ____sys_sendmsg+0x415/0x880 [ 27.701777][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.702150][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.702439][ C0] do_syscall_64+0xff/0x530 [ 27.702805][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.703231][ C0] } [ 27.703344][ C0] ... key at: [] __key.7+0x0/0x40 [bridge] [ 27.703764][ C0] ... acquired at: [ 27.703929][ C0] mark_lock+0x1d7/0xa00 [ 27.704241][ C0] mark_usage+0x42/0x170 [ 27.704459][ C0] __lock_acquire+0x388/0xc20 [ 27.704768][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.704994][ C0] _raw_spin_lock+0x33/0x40 [ 27.705298][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.705589][ C0] call_timer_fn+0x160/0x4d0 [ 27.705910][ C0] __run_timers+0x68f/0xaa0 [ 27.706130][ C0] run_timer_softirq+0xf0/0x160 [ 27.706442][ C0] handle_softirqs+0x1d3/0x900 [ 27.706664][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.706976][ C0] irq_exit_rcu+0xe/0x30 [ 27.707201][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.707565][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.707941][ C0] pv_native_safe_halt+0xf/0x10 [ 27.708164][ C0] default_idle+0x9/0x10 [ 27.708476][ C0] default_idle_call+0x6e/0xb0 [ 27.708700][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.709067][ C0] do_idle+0xd8/0x190 [ 27.709232][ C0] cpu_startup_entry+0x53/0x70 [ 27.709539][ C0] rest_init+0x279/0x280 [ 27.709756][ C0] start_kernel+0x3af/0x3b0 [ 27.710068][ C0] x86_64_start_reservations+0x24/0x30 [ 27.710285][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.710594][ C0] common_startup_64+0x13e/0x148 [ 27.710816][ C0] [ 27.710931][ C0] [ 27.710931][ C0] stack backtrace: [ 27.711292][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.711297][ C0] Tainted: [W]=WARN [ 27.711298][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.711300][ C0] Call Trace: [ 27.711302][ C0] [ 27.711304][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.711310][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.711314][ C0] mark_lock_irq+0x989/0x9c0 [ 27.711319][ C0] mark_lock+0x1d7/0xa00 [ 27.711321][ C0] mark_usage+0x42/0x170 [ 27.711324][ C0] __lock_acquire+0x388/0xc20 [ 27.711327][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.711330][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.711346][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.711350][ C0] ? lock_acquire+0x13c/0x160 [ 27.711353][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.711364][ C0] _raw_spin_lock+0x33/0x40 [ 27.711367][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.711378][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.711389][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.711400][ C0] call_timer_fn+0x160/0x4d0 [ 27.711403][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.711406][ C0] ? debug_object_active_state+0x430/0x430 [ 27.711411][ C0] ? find_held_lock+0x2b/0x80 [ 27.711414][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.711417][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.711420][ C0] __run_timers+0x68f/0xaa0 [ 27.711422][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.711434][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.711436][ C0] ? __lock_acquire+0x518/0xc20 [ 27.711440][ C0] ? __rwlock_init+0x150/0x150 [ 27.711444][ C0] run_timer_softirq+0xf0/0x160 [ 27.711447][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.711450][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.711453][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.711455][ C0] handle_softirqs+0x1d3/0x900 [ 27.711458][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.711461][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.711464][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.711466][ C0] irq_exit_rcu+0xe/0x30 [ 27.711469][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.711471][ C0] [ 27.711472][ C0] [ 27.711473][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.711475][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.711478][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.711481][ C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 [ 27.711484][ C0] RSP: 0018:ffffffffbca07cf8 EFLAGS: 00000296 [ 27.711487][ C0] RAX: 00000000000ad427 RBX: ffffffffbca1c600 RCX: ffffffffb9af0307 [ 27.711489][ C0] RDX: ffffffffbca1c600 RSI: ffffffffbc838b01 RDI: ffffffffbc28d8e0 [ 27.711490][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.711492][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7940fa2 [ 27.711493][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.711496][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.711500][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.711502][ C0] default_idle+0x9/0x10 [ 27.711504][ C0] default_idle_call+0x6e/0xb0 [ 27.711507][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.711509][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.711511][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.711514][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.711517][ C0] do_idle+0xd8/0x190 [ 27.711520][ C0] cpu_startup_entry+0x53/0x70 [ 27.711522][ C0] rest_init+0x279/0x280 [ 27.711524][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.711528][ C0] ? rest_init+0x280/0x280 [ 27.711531][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.711536][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.711539][ C0] ? acpi_enable+0x1e4/0x330 [ 27.711543][ C0] start_kernel+0x3af/0x3b0 [ 27.711545][ C0] x86_64_start_reservations+0x24/0x30 [ 27.711548][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.711551][ C0] common_startup_64+0x13e/0x148 [ 27.711556][ C0] [ 38.780883][ T350] br0: port 2(veth2) entered disabled state [ 38.780898][ T350] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.780901][ T350] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 350, name: ip [ 38.780903][ T350] preempt_count: 202, expected: 0 [ 38.780903][ T350] RCU nest depth: 0, expected: 0 [ 38.780904][ T350] INFO: lockdep is turned off. [ 38.780905][ T350] irq event stamp: 0 [ 38.780906][ T350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.780911][ T350] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 38.780924][ T350] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 38.780926][ T350] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.780928][ T350] Preemption disabled at: [ 38.780928][ T350] [<0000000000000000>] 0x0 [ 38.780933][ T350] CPU: 2 UID: 0 PID: 350 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.780937][ T350] Tainted: [W]=WARN [ 38.780937][ T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.780939][ T350] Call Trace: [ 38.780941][ T350] [ 38.780942][ T350] dump_stack_lvl+0x6f/0xa0 [ 38.780948][ T350] __might_resched.cold+0x1fe/0x2c1 [ 38.780952][ T350] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.780956][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.780961][ T350] __kmalloc_noprof+0x443/0x760 [ 38.780964][ T350] ? __rwlock_init+0x150/0x150 [ 38.780967][ T350] ? alloc_buf.isra.0+0x4b/0x260 [ 38.780971][ T350] ? do_raw_spin_unlock+0x59/0x250 [ 38.780973][ T350] alloc_buf.isra.0+0x4b/0x260 [ 38.780974][ T350] put_chars+0x1e1/0x2f0 [ 38.780977][ T350] ? __send_to_port+0x420/0x420 [ 38.780978][ T350] ? printk_get_next_message+0x240/0x650 [ 38.780981][ T350] hvc_console_print+0x292/0x780 [ 38.780985][ T350] ? hvc_write+0x3a0/0x3a0 [ 38.780987][ T350] ? __rwlock_init+0x150/0x150 [ 38.780988][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.780990][ T350] ? lock_acquire+0x13c/0x160 [ 38.780992][ T350] console_emit_next_record+0x22f/0x4c0 [ 38.780994][ T350] ? devkmsg_read+0x4b0/0x4b0 [ 38.780996][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.780998][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781000][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781001][ T350] ? lock_acquire+0x13c/0x160 [ 38.781003][ T350] ? console_flush_one_record+0x111/0x710 [ 38.781006][ T350] console_flush_one_record+0x46f/0x710 [ 38.781009][ T350] ? console_emit_next_record+0x4c0/0x4c0 [ 38.781013][ T350] console_unlock+0xee/0x1f0 [ 38.781016][ T350] ? lock_acquire+0x13c/0x160 [ 38.781018][ T350] ? console_flush_one_record+0x710/0x710 [ 38.781019][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781021][ T350] ? lock_release+0x184/0x1f0 [ 38.781022][ T350] ? lock_acquire+0x60/0x160 [ 38.781024][ T350] ? __rcu_read_lock+0x30/0x70 [ 38.781026][ T350] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.781028][ T350] ? vprintk_emit+0x320/0x3e0 [ 38.781030][ T350] vprintk_emit+0x37c/0x3e0 [ 38.781032][ T350] ? wake_up_klogd_work_func+0x90/0x90 [ 38.781034][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781035][ T350] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.781038][ T350] ? trace_hardirqs_on+0x36/0x40 [ 38.781040][ T350] _printk+0xc7/0x100 [ 38.781043][ T350] ? snapshot_read.cold+0x21/0x21 [ 38.781045][ T350] ? ipv6_mc_down+0x17e/0x2d0 [ 38.781050][ T350] br_set_state+0x22f/0x430 [bridge] [ 38.781062][ T350] br_stp_disable_port+0x11f/0x390 [bridge] [ 38.781071][ T350] br_device_event+0x7b5/0x8f0 [bridge] [ 38.781080][ T350] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 38.781083][ T350] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 38.781085][ T350] ? addrconf_notify+0x2c8/0xf30 [ 38.781089][ T350] notifier_call_chain+0xae/0x300 [ 38.781092][ T350] __dev_notify_flags+0x23c/0x3c0 [ 38.781095][ T350] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.781097][ T350] ? netif_change_name+0x8c0/0x8c0 [ 38.781099][ T350] ? netif_set_allmulti+0x250/0x250 [ 38.781101][ T350] ? __kernel_text_address+0x12/0x30 [ 38.781103][ T350] ? write_profile+0xf0/0xf0 [ 38.781106][ T350] ? unwind_get_return_address+0x67/0xd0 [ 38.781109][ T350] netif_change_flags+0xfe/0x190 [ 38.781111][ T350] do_setlink.isra.0+0x1cc3/0x2750 [ 38.781114][ T350] ? stack_trace_save+0x93/0xc0 [ 38.781116][ T350] ? rtnl_link_get_size+0x350/0x350 [ 38.781117][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781119][ T350] ? stack_depot_save_flags+0x1bc/0x790 [ 38.781122][ T350] ? kasan_save_stack+0x3d/0x50 [ 38.781125][ T350] ? kasan_save_stack+0x2f/0x50 [ 38.781127][ T350] ? kasan_save_track+0x14/0x30 [ 38.781128][ T350] ? __kasan_kmalloc+0x7b/0x90 [ 38.781130][ T350] ? __kmalloc_cache_noprof+0x29a/0x620 [ 38.781131][ T350] ? rtnl_newlink+0x124/0x11c0 [ 38.781132][ T350] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.781134][ T350] ? netlink_rcv_skb+0x14e/0x3a0 [ 38.781136][ T350] ? netlink_unicast+0x486/0x750 [ 38.781138][ T350] ? netlink_sendmsg+0x735/0xc60 [ 38.781139][ T350] ? ____sys_sendmsg+0x415/0x880 [ 38.781142][ T350] ? ___sys_sendmsg+0x14e/0x1d0 [ 38.781143][ T350] ? __sys_sendmsg+0x12c/0x1d0 [ 38.781145][ T350] ? do_syscall_64+0xff/0x530 [ 38.781147][ T350] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.781149][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781151][ T350] ? lock_acquire+0x13c/0x160 [ 38.781153][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781154][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781156][ T350] ? trace_contention_end+0xb3/0x180 [ 38.781159][ T350] ? __mutex_lock+0x1db/0x1ea0 [ 38.781160][ T350] ? __mutex_lock+0x9a3/0x1ea0 [ 38.781162][ T350] ? rtnl_newlink+0x9a8/0x11c0 [ 38.781163][ T350] ? ww_mutex_lock+0x160/0x160 [ 38.781165][ T350] ? __rtnl_newlink+0x3fa/0xa50 [ 38.781167][ T350] rtnl_newlink+0x9f1/0x11c0 [ 38.781169][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781171][ T350] ? rtnl_bridge_getlink+0x850/0x850 [ 38.781172][ T350] ? lock_acquire+0x13c/0x160 [ 38.781174][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781176][ T350] ? is_bpf_text_address+0x3e/0x110 [ 38.781179][ T350] ? is_bpf_text_address+0x72/0x110 [ 38.781181][ T350] ? kernel_text_address+0x149/0x170 [ 38.781182][ T350] ? __kernel_text_address+0x12/0x30 [ 38.781183][ T350] ? write_profile+0xf0/0xf0 [ 38.781184][ T350] ? unwind_get_return_address+0x67/0xd0 [ 38.781186][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781187][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781189][ T350] ? cap_capable+0x1d7/0x3d0 [ 38.781193][ T350] ? lock_acquire+0x13c/0x160 [ 38.781194][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781196][ T350] ? rtnl_bridge_getlink+0x850/0x850 [ 38.781197][ T350] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.781199][ T350] ? rtnl_link_fill+0x920/0x920 [ 38.781200][ T350] ? filter_irq_stacks+0xd0/0xd0 [ 38.781202][ T350] ? stack_depot_save_flags+0x1bc/0x790 [ 38.781204][ T350] netlink_rcv_skb+0x14e/0x3a0 [ 38.781206][ T350] ? rtnl_link_fill+0x920/0x920 [ 38.781207][ T350] ? lock_release+0x184/0x1f0 [ 38.781209][ T350] ? netlink_ack+0xcf0/0xcf0 [ 38.781210][ T350] ? __netlink_lookup+0xb9/0x6b0 [ 38.781212][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781214][ T350] ? lock_release+0x184/0x1f0 [ 38.781216][ T350] netlink_unicast+0x486/0x750 [ 38.781218][ T350] ? netlink_attachskb+0x810/0x810 [ 38.781220][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781221][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781223][ T350] ? lock_acquire+0x13c/0x160 [ 38.781225][ T350] netlink_sendmsg+0x735/0xc60 [ 38.781227][ T350] ? netlink_unicast+0x750/0x750 [ 38.781229][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781230][ T350] ? lock_release+0x184/0x1f0 [ 38.781232][ T350] ____sys_sendmsg+0x415/0x880 [ 38.781234][ T350] ? copy_msghdr_from_user+0x279/0x420 [ 38.781236][ T350] ? get_timestamp.constprop.0+0x390/0x390 [ 38.781237][ T350] ? move_addr_to_kernel+0x40/0x40 [ 38.781238][ T350] ? filter_irq_stacks+0xd0/0xd0 [ 38.781241][ T350] ___sys_sendmsg+0x14e/0x1d0 [ 38.781243][ T350] ? copy_msghdr_from_user+0x420/0x420 [ 38.781248][ T350] __sys_sendmsg+0x12c/0x1d0 [ 38.781249][ T350] ? __sys_sendmsg_sock+0x20/0x20 [ 38.781252][ T350] ? rcu_is_watching+0x16/0xd0 [ 38.781254][ T350] do_syscall_64+0xff/0x530 [ 38.781256][ T350] ? exc_page_fault+0xee/0x100 [ 38.781258][ T350] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.781259][ T350] RIP: 0033:0x7f7f51fb554e [ 38.781261][ T350] 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 [ 38.781263][ T350] RSP: 002b:00007fffe4f5bf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.781267][ T350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f51fb554e [ 38.781268][ T350] RDX: 0000000000000000 RSI: 00007fffe4f5bfd0 RDI: 0000000000000005 [ 38.781269][ T350] RBP: 00007fffe4f5bf30 R08: 0000000000000000 R09: 0000000000000000 [ 38.781270][ T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915705 [ 38.781271][ T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe4f5c690 [ 38.781273][ T350] [ 38.829010][ T350] ip (350) used greatest stack depth: 23016 bytes left [ 38.843295][ T351] br0: port 1(veth1) entered disabled state [ 38.859688][ T352] veth2: left allmulticast mode [ 38.859914][ T352] veth2: left promiscuous mode [ 38.860207][ T352] br0: port 2(veth2) entered disabled state [ 38.861064][ T352] veth1: left allmulticast mode [ 38.861283][ T352] veth1: left promiscuous mode [ 38.861960][ T352] br0: port 1(veth1) entered disabled state