[ 12.921497][ T267] ip (267) used greatest stack depth: 24768 bytes left [ 12.921513][ T267] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.921515][ T267] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 267, name: ip [ 12.921517][ T267] preempt_count: 2, expected: 0 [ 12.921517][ T267] RCU nest depth: 0, expected: 0 [ 12.921518][ T267] locks held by ip/267: 5, last CPU#1: [ 12.921520][ T267] #0: ffffffff8ca167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.921532][ T267] #1: ffffffff8cb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.921536][ T267] #2: ffffffff8cb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.921541][ T267] #3: ffffffff8ca9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.921544][ T267] #4: ffffffff8ca9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.921548][ T267] irq event stamp: 29538 [ 12.921549][ T267] hardirqs last enabled at (29537): [] __down_trylock_console_sem+0x86/0xa0 [ 12.921553][ T267] hardirqs last disabled at (29538): [] console_emit_next_record+0x3d4/0x4c0 [ 12.921555][ T267] softirqs last enabled at (28154): [] netlink_release+0x17b/0xcf0 [ 12.921559][ T267] softirqs last disabled at (28152): [] netlink_release+0xd2/0xcf0 [ 12.921561][ T267] Preemption disabled at: [ 12.921562][ T267] [<0000000000000000>] 0x0 [ 12.921569][ T267] CPU: 1 UID: 0 PID: 267 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.921572][ T267] Tainted: [W]=WARN [ 12.921573][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.921574][ T267] Call Trace: [ 12.921576][ T267] [ 12.921578][ T267] dump_stack_lvl+0x6f/0xa0 [ 12.921584][ T267] __might_resched.cold+0x1fe/0x2c1 [ 12.921589][ T267] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.921593][ T267] ? __kmalloc_noprof+0xdb/0x760 [ 12.921597][ T267] __kmalloc_noprof+0x443/0x760 [ 12.921599][ T267] ? alloc_buf.isra.0+0x4b/0x260 [ 12.921606][ T267] ? do_raw_spin_unlock+0x59/0x250 [ 12.921609][ T267] alloc_buf.isra.0+0x4b/0x260 [ 12.921612][ T267] put_chars+0x1e1/0x2f0 [ 12.921615][ T267] ? __send_to_port+0x420/0x420 [ 12.921616][ T267] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.921619][ T267] ? validate_chain+0x38b/0xc20 [ 12.921625][ T267] hvc_console_print+0x292/0x780 [ 12.921632][ T267] ? hvc_write+0x3a0/0x3a0 [ 12.921635][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.921637][ T267] ? lock_acquire+0x13c/0x160 [ 12.921641][ T267] console_emit_next_record+0x22f/0x4c0 [ 12.921645][ T267] ? devkmsg_read+0x4b0/0x4b0 [ 12.921647][ T267] ? console_flush_one_record+0x106/0x710 [ 12.921650][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.921652][ T267] ? lock_acquire+0x13c/0x160 [ 12.921655][ T267] console_flush_one_record+0x46f/0x710 [ 12.921660][ T267] ? console_emit_next_record+0x4c0/0x4c0 [ 12.921661][ T267] ? __lock_acquire+0x518/0xc20 [ 12.921667][ T267] console_unlock+0xee/0x1f0 [ 12.921670][ T267] ? console_flush_one_record+0x710/0x710 [ 12.921672][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.921673][ T267] ? lock_acquire+0xe0/0x160 [ 12.921677][ T267] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.921679][ T267] ? vprintk_emit+0x320/0x3e0 [ 12.921681][ T267] vprintk_emit+0x37c/0x3e0 [ 12.921685][ T267] ? wake_up_klogd_work_func+0x90/0x90 [ 12.921687][ T267] ? __lock_acquire+0x518/0xc20 [ 12.921691][ T267] _printk+0xc7/0x100 [ 12.921695][ T267] ? snapshot_read.cold+0x21/0x21 [ 12.921697][ T267] ? do_raw_spin_lock+0x131/0x280 [ 12.921700][ T267] ? __rwlock_init+0x150/0x150 [ 12.921704][ T267] ? do_raw_spin_lock+0x131/0x280 [ 12.921707][ T267] do_exit.cold+0x82/0x9c [ 12.921710][ T267] ? exit_notify+0x890/0x890 [ 12.921712][ T267] ? __lock_release.isra.0+0x69/0x1a0 [ 12.921714][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.921718][ T267] do_group_exit+0xb8/0x370 [ 12.921721][ T267] __x64_sys_exit_group+0x3c/0x50 [ 12.921723][ T267] x64_sys_call+0x1567/0x1570 [ 12.921725][ T267] do_syscall_64+0xff/0x530 [ 12.921729][ T267] ? exc_page_fault+0xee/0x100 [ 12.921732][ T267] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.921734][ T267] RIP: 0033:0x7f7f6f2811b8 [ 12.921736][ T267] Code: Unable to access opcode bytes at 0x7f7f6f28118e. [ 12.921737][ T267] RSP: 002b:00007ffe5b337028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.921740][ T267] RAX: ffffffffffffffda RBX: 00007f7f6f3b1f88 RCX: 00007f7f6f2811b8 [ 12.921741][ T267] RDX: 00007f7f6efcbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.921742][ T267] RBP: 00007ffe5b337080 R08: 0000000000000000 R09: 0000000000008010 [ 12.921743][ T267] R10: 00007ffe5b336e40 R11: 0000000000000246 R12: 0000000000000001 [ 12.921744][ T267] R13: 0000000000000000 R14: 00007f7f6f3b0680 R15: 00007f7f6f3b1fa0 [ 12.921750][ T267] [ 13.145340][ T280] br: port 1(vx) entered blocking state [ 13.145839][ T280] br: port 1(vx) entered disabled state [ 13.146085][ T280] vx: entered allmulticast mode [ 13.147616][ T280] vx: entered promiscuous mode [ 13.148618][ T280] br: port 1(vx) entered blocking state [ 13.148937][ T280] br: port 1(vx) entered forwarding state [ 15.575825][ T342] vx: left allmulticast mode [ 15.575847][ T342] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.575850][ T342] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 342, name: ip [ 15.575851][ T342] preempt_count: 1, expected: 0 [ 15.575852][ T342] RCU nest depth: 0, expected: 0 [ 15.575853][ T342] locks held by ip/342: 5, last CPU#0: [ 15.575855][ T342] #0: ffffffff8d31b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 15.575867][ T342] #1: ffffffff8cb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.575873][ T342] #2: ffffffff8cb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.575877][ T342] #3: ffffffff8ca9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.575881][ T342] #4: ffffffff8ca9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.575885][ T342] irq event stamp: 11722 [ 15.575885][ T342] hardirqs last enabled at (11721): [] __down_trylock_console_sem+0x86/0xa0 [ 15.575888][ T342] hardirqs last disabled at (11722): [] console_emit_next_record+0x3d4/0x4c0 [ 15.575891][ T342] softirqs last enabled at (11690): [] __alloc_skb+0x4c2/0x5f0 [ 15.575894][ T342] softirqs last disabled at (11688): [] __alloc_skb+0x4c2/0x5f0 [ 15.575896][ T342] Preemption disabled at: [ 15.575897][ T342] [] vprintk_emit+0x31b/0x3e0 [ 15.575902][ T342] CPU: 0 UID: 0 PID: 342 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.575906][ T342] Tainted: [W]=WARN [ 15.575907][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.575908][ T342] Call Trace: [ 15.575910][ T342] [ 15.575911][ T342] dump_stack_lvl+0x6f/0xa0 [ 15.575922][ T342] ? vprintk_emit+0x31b/0x3e0 [ 15.575924][ T342] __might_resched.cold+0x1fe/0x2c1 [ 15.575929][ T342] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.575933][ T342] ? __kmalloc_noprof+0xdb/0x760 [ 15.575937][ T342] __kmalloc_noprof+0x443/0x760 [ 15.575939][ T342] ? alloc_buf.isra.0+0x4b/0x260 [ 15.575946][ T342] ? do_raw_spin_unlock+0x59/0x250 [ 15.575949][ T342] alloc_buf.isra.0+0x4b/0x260 [ 15.575953][ T342] put_chars+0x1e1/0x2f0 [ 15.575955][ T342] ? __send_to_port+0x420/0x420 [ 15.575958][ T342] ? validate_chain+0x38b/0xc20 [ 15.575963][ T342] hvc_console_print+0x292/0x780 [ 15.575970][ T342] ? hvc_write+0x3a0/0x3a0 [ 15.575973][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.575976][ T342] ? lock_acquire+0x13c/0x160 [ 15.575980][ T342] console_emit_next_record+0x22f/0x4c0 [ 15.575984][ T342] ? devkmsg_read+0x4b0/0x4b0 [ 15.575986][ T342] ? console_flush_one_record+0x106/0x710 [ 15.575989][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.575991][ T342] ? lock_acquire+0x13c/0x160 [ 15.575994][ T342] console_flush_one_record+0x46f/0x710 [ 15.575999][ T342] ? console_emit_next_record+0x4c0/0x4c0 [ 15.576001][ T342] ? __lock_acquire+0x518/0xc20 [ 15.576006][ T342] console_unlock+0xee/0x1f0 [ 15.576008][ T342] ? console_flush_one_record+0x710/0x710 [ 15.576010][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576012][ T342] ? lock_acquire+0xe0/0x160 [ 15.576016][ T342] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.576017][ T342] ? vprintk_emit+0x320/0x3e0 [ 15.576020][ T342] vprintk_emit+0x37c/0x3e0 [ 15.576023][ T342] ? wake_up_klogd_work_func+0x90/0x90 [ 15.576024][ T342] ? rtnl_newlink+0x9f1/0x11b0 [ 15.576026][ T342] ? netlink_rcv_skb+0x14e/0x3a0 [ 15.576029][ T342] ? netlink_unicast+0x486/0x750 [ 15.576031][ T342] ? netlink_sendmsg+0x75b/0xc90 [ 15.576033][ T342] ? __sock_sendmsg+0xce/0x190 [ 15.576035][ T342] ? ____sys_sendmsg+0x61a/0x860 [ 15.576036][ T342] ? ___sys_sendmsg+0x14e/0x1d0 [ 15.576040][ T342] _printk+0xc7/0x100 [ 15.576043][ T342] ? snapshot_read.cold+0x21/0x21 [ 15.576047][ T342] ? netdev_name+0x43/0x60 [ 15.576051][ T342] ? __netdev_printk+0x17f/0x1d0 [ 15.576055][ T342] netdev_info+0xe2/0x116 [ 15.576058][ T342] ? netdev_notice+0x120/0x120 [ 15.576062][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576064][ T342] ? __up_read+0x355/0x9e0 [ 15.576066][ T342] ? down_write_nested+0x200/0x200 [ 15.576068][ T342] ? mutex_is_locked+0x1c/0x50 [ 15.576071][ T342] netif_set_allmulti.cold+0x7c/0x166 [ 15.576075][ T342] dev_set_allmulti+0xa6/0x240 [ 15.576079][ T342] del_nbp+0xb7/0xc10 [ 15.576085][ T342] br_del_if+0xab/0x200 [ 15.576087][ T342] ? rtnl_is_locked+0x15/0x20 [ 15.576091][ T342] do_set_master+0x15c/0x780 [ 15.576094][ T342] do_setlink.isra.0+0x9ec/0x2a60 [ 15.576098][ T342] ? stack_trace_save+0x93/0xc0 [ 15.576101][ T342] ? rtnl_link_get_size+0x350/0x350 [ 15.576103][ T342] ? rcu_read_lock_any_held+0x66/0x90 [ 15.576105][ T342] ? stack_depot_save_flags+0x38e/0x790 [ 15.576109][ T342] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.576111][ T342] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.576112][ T342] ? validate_chain+0x38b/0xc20 [ 15.576115][ T342] ? kasan_save_stack+0x3d/0x50 [ 15.576117][ T342] ? kasan_save_stack+0x2f/0x50 [ 15.576118][ T342] ? kasan_save_track+0x14/0x30 [ 15.576120][ T342] ? __kasan_kmalloc+0x7b/0x90 [ 15.576122][ T342] ? __lock_acquire+0x518/0xc20 [ 15.576124][ T342] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 15.576126][ T342] ? ___sys_sendmsg+0xd0/0x1d0 [ 15.576129][ T342] ? lock_acquire.part.0+0xd4/0x280 [ 15.576131][ T342] ? rtnl_newlink+0x9a8/0x11b0 [ 15.576134][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576136][ T342] ? lock_acquire+0x13c/0x160 [ 15.576137][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576138][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576140][ T342] ? trace_contention_end+0xb3/0x180 [ 15.576142][ T342] ? __mutex_lock+0x1db/0x1ea0 [ 15.576145][ T342] ? __mutex_lock+0x9a3/0x1ea0 [ 15.576147][ T342] ? rtnl_newlink+0x9a8/0x11b0 [ 15.576150][ T342] ? ww_mutex_lock+0x160/0x160 [ 15.576151][ T342] ? nla_get_range_signed+0x3d0/0x3d0 [ 15.576156][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576158][ T342] ? __rtnl_newlink+0x3fa/0xa50 [ 15.576163][ T342] rtnl_newlink+0x9f1/0x11b0 [ 15.576168][ T342] ? rtnl_bridge_getlink+0x850/0x850 [ 15.576170][ T342] ? __lock_acquire+0x518/0xc20 [ 15.576174][ T342] ? lock_acquire.part.0+0xd4/0x280 [ 15.576176][ T342] ? find_held_lock+0x2b/0x80 [ 15.576179][ T342] ? rtnl_bridge_getlink+0x850/0x850 [ 15.576180][ T342] ? __lock_release.isra.0+0x69/0x1a0 [ 15.576184][ T342] ? rtnl_bridge_getlink+0x850/0x850 [ 15.576186][ T342] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.576189][ T342] ? rtnl_link_fill+0x920/0x920 [ 15.576190][ T342] ? __lock_acquire+0x518/0xc20 [ 15.576195][ T342] ? lock_acquire.part.0+0xd4/0x280 [ 15.576197][ T342] ? find_held_lock+0x2b/0x80 [ 15.576200][ T342] netlink_rcv_skb+0x14e/0x3a0 [ 15.576202][ T342] ? rtnl_link_fill+0x920/0x920 [ 15.576205][ T342] ? netlink_ack+0xcf0/0xcf0 [ 15.576211][ T342] ? netlink_deliver_tap+0xc5/0x330 [ 15.576213][ T342] ? netlink_deliver_tap+0x13c/0x330 [ 15.576218][ T342] netlink_unicast+0x486/0x750 [ 15.576221][ T342] ? netlink_attachskb+0x810/0x810 [ 15.576224][ T342] ? find_held_lock+0x2b/0x80 [ 15.576228][ T342] netlink_sendmsg+0x75b/0xc90 [ 15.576232][ T342] ? netlink_unicast+0x750/0x750 [ 15.576237][ T342] ? __lock_release.isra.0+0x69/0x1a0 [ 15.576239][ T342] ? __import_iovec+0x36c/0x620 [ 15.576244][ T342] __sock_sendmsg+0xce/0x190 [ 15.576247][ T342] ____sys_sendmsg+0x61a/0x860 [ 15.576249][ T342] ? copy_msghdr_from_user+0x279/0x420 [ 15.576252][ T342] ? sock_write_iter+0x400/0x400 [ 15.576253][ T342] ? move_addr_to_kernel+0x40/0x40 [ 15.576260][ T342] ___sys_sendmsg+0x14e/0x1d0 [ 15.576263][ T342] ? copy_msghdr_from_user+0x420/0x420 [ 15.576278][ T342] __sys_sendmsg+0x12c/0x1d0 [ 15.576281][ T342] ? __sys_sendmsg_sock+0x20/0x20 [ 15.576287][ T342] ? rcu_is_watching+0x16/0xd0 [ 15.576290][ T342] do_syscall_64+0xff/0x530 [ 15.576293][ T342] ? exc_page_fault+0xee/0x100 [ 15.576296][ T342] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.576298][ T342] RIP: 0033:0x7f375f4c154e [ 15.576301][ T342] 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 [ 15.576303][ T342] RSP: 002b:00007fff00133f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.576305][ T342] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f375f4c154e [ 15.576307][ T342] RDX: 0000000000000000 RSI: 00007fff00134040 RDI: 0000000000000005 [ 15.576308][ T342] RBP: 00007fff00133fa0 R08: 0000000000000000 R09: 0000000000000000 [ 15.576309][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146c4 [ 15.576309][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff00134700 [ 15.576316][ T342] [ 15.619466][ T342] vx: left promiscuous mode [ 15.619840][ T342] br: port 1(vx) entered disabled state [ 15.626784][ T342] ip (342) used greatest stack depth: 23144 bytes left [ 15.922762][ T364] br: port 1(vx) entered blocking state [ 15.923029][ T364] br: port 1(vx) entered disabled state [ 15.923739][ T364] vx: entered allmulticast mode [ 15.924772][ T364] vx: entered promiscuous mode [ 15.925500][ T364] br: port 1(vx) entered blocking state [ 15.925720][ T364] br: port 1(vx) entered forwarding state [ 18.390434][ T426] vx: left allmulticast mode [ 18.390452][ T426] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.390454][ T426] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 426, name: ip [ 18.390455][ T426] preempt_count: 1, expected: 0 [ 18.390456][ T426] RCU nest depth: 0, expected: 0 [ 18.390457][ T426] locks held by ip/426: 5, last CPU#2: [ 18.390459][ T426] #0: ffffffff8d31b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 18.390471][ T426] #1: ffffffff8cb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.390477][ T426] #2: ffffffff8cb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.390481][ T426] #3: ffffffff8ca9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.390484][ T426] #4: ffffffff8ca9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.390488][ T426] irq event stamp: 13942 [ 18.390489][ T426] hardirqs last enabled at (13941): [] __down_trylock_console_sem+0x86/0xa0 [ 18.390492][ T426] hardirqs last disabled at (13942): [] console_emit_next_record+0x3d4/0x4c0 [ 18.390494][ T426] softirqs last enabled at (13918): [] __alloc_skb+0x4c2/0x5f0 [ 18.390497][ T426] softirqs last disabled at (13916): [] __alloc_skb+0x4c2/0x5f0 [ 18.390499][ T426] Preemption disabled at: [ 18.390500][ T426] [] vprintk_emit+0x31b/0x3e0 [ 18.390505][ T426] CPU: 2 UID: 0 PID: 426 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.390508][ T426] Tainted: [W]=WARN [ 18.390509][ T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.390510][ T426] Call Trace: [ 18.390512][ T426] [ 18.390513][ T426] dump_stack_lvl+0x6f/0xa0 [ 18.390519][ T426] ? vprintk_emit+0x31b/0x3e0 [ 18.390521][ T426] __might_resched.cold+0x1fe/0x2c1 [ 18.390525][ T426] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.390529][ T426] ? __kmalloc_noprof+0xdb/0x760 [ 18.390534][ T426] __kmalloc_noprof+0x443/0x760 [ 18.390536][ T426] ? alloc_buf.isra.0+0x4b/0x260 [ 18.390542][ T426] ? do_raw_spin_unlock+0x59/0x250 [ 18.390545][ T426] alloc_buf.isra.0+0x4b/0x260 [ 18.390549][ T426] put_chars+0x1e1/0x2f0 [ 18.390551][ T426] ? __send_to_port+0x420/0x420 [ 18.390554][ T426] ? validate_chain+0x38b/0xc20 [ 18.390559][ T426] hvc_console_print+0x292/0x780 [ 18.390567][ T426] ? hvc_write+0x3a0/0x3a0 [ 18.390570][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390573][ T426] ? lock_acquire+0x13c/0x160 [ 18.390577][ T426] console_emit_next_record+0x22f/0x4c0 [ 18.390581][ T426] ? devkmsg_read+0x4b0/0x4b0 [ 18.390582][ T426] ? console_flush_one_record+0x106/0x710 [ 18.390586][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390587][ T426] ? lock_acquire+0x13c/0x160 [ 18.390591][ T426] console_flush_one_record+0x46f/0x710 [ 18.390595][ T426] ? console_emit_next_record+0x4c0/0x4c0 [ 18.390597][ T426] ? __lock_acquire+0x518/0xc20 [ 18.390602][ T426] console_unlock+0xee/0x1f0 [ 18.390605][ T426] ? console_flush_one_record+0x710/0x710 [ 18.390607][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390608][ T426] ? lock_acquire+0xe0/0x160 [ 18.390612][ T426] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.390614][ T426] ? vprintk_emit+0x320/0x3e0 [ 18.390617][ T426] vprintk_emit+0x37c/0x3e0 [ 18.390620][ T426] ? wake_up_klogd_work_func+0x90/0x90 [ 18.390621][ T426] ? rtnl_newlink+0x9f1/0x11b0 [ 18.390622][ T426] ? netlink_rcv_skb+0x14e/0x3a0 [ 18.390625][ T426] ? netlink_unicast+0x486/0x750 [ 18.390627][ T426] ? netlink_sendmsg+0x75b/0xc90 [ 18.390628][ T426] ? __sock_sendmsg+0xce/0x190 [ 18.390631][ T426] ? ____sys_sendmsg+0x61a/0x860 [ 18.390632][ T426] ? ___sys_sendmsg+0x14e/0x1d0 [ 18.390635][ T426] _printk+0xc7/0x100 [ 18.390639][ T426] ? snapshot_read.cold+0x21/0x21 [ 18.390643][ T426] ? netdev_name+0x43/0x60 [ 18.390647][ T426] ? __netdev_printk+0x17f/0x1d0 [ 18.390651][ T426] netdev_info+0xe2/0x116 [ 18.390653][ T426] ? netdev_notice+0x120/0x120 [ 18.390658][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390659][ T426] ? __up_read+0x355/0x9e0 [ 18.390662][ T426] ? down_write_nested+0x200/0x200 [ 18.390664][ T426] ? mutex_is_locked+0x1c/0x50 [ 18.390666][ T426] netif_set_allmulti.cold+0x7c/0x166 [ 18.390670][ T426] dev_set_allmulti+0xa6/0x240 [ 18.390674][ T426] del_nbp+0xb7/0xc10 [ 18.390680][ T426] br_del_if+0xab/0x200 [ 18.390682][ T426] ? rtnl_is_locked+0x15/0x20 [ 18.390686][ T426] do_set_master+0x15c/0x780 [ 18.390690][ T426] do_setlink.isra.0+0x9ec/0x2a60 [ 18.390693][ T426] ? stack_trace_save+0x93/0xc0 [ 18.390697][ T426] ? rtnl_link_get_size+0x350/0x350 [ 18.390698][ T426] ? rcu_read_lock_any_held+0x66/0x90 [ 18.390700][ T426] ? stack_depot_save_flags+0x38e/0x790 [ 18.390704][ T426] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.390706][ T426] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.390708][ T426] ? validate_chain+0x38b/0xc20 [ 18.390710][ T426] ? kasan_save_stack+0x3d/0x50 [ 18.390712][ T426] ? kasan_save_stack+0x2f/0x50 [ 18.390713][ T426] ? kasan_save_track+0x14/0x30 [ 18.390715][ T426] ? __kasan_kmalloc+0x7b/0x90 [ 18.390717][ T426] ? __lock_acquire+0x518/0xc20 [ 18.390719][ T426] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 18.390721][ T426] ? ___sys_sendmsg+0xd0/0x1d0 [ 18.390724][ T426] ? lock_acquire.part.0+0xd4/0x280 [ 18.390726][ T426] ? rtnl_newlink+0x9a8/0x11b0 [ 18.390729][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390730][ T426] ? lock_acquire+0x13c/0x160 [ 18.390732][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390733][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390735][ T426] ? trace_contention_end+0xb3/0x180 [ 18.390737][ T426] ? __mutex_lock+0x1db/0x1ea0 [ 18.390739][ T426] ? __mutex_lock+0x9a3/0x1ea0 [ 18.390741][ T426] ? rtnl_newlink+0x9a8/0x11b0 [ 18.390744][ T426] ? ww_mutex_lock+0x160/0x160 [ 18.390745][ T426] ? nla_get_range_signed+0x3d0/0x3d0 [ 18.390750][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390752][ T426] ? __rtnl_newlink+0x3fa/0xa50 [ 18.390757][ T426] rtnl_newlink+0x9f1/0x11b0 [ 18.390762][ T426] ? rtnl_bridge_getlink+0x850/0x850 [ 18.390764][ T426] ? __lock_acquire+0x518/0xc20 [ 18.390769][ T426] ? lock_acquire.part.0+0xd4/0x280 [ 18.390770][ T426] ? find_held_lock+0x2b/0x80 [ 18.390773][ T426] ? rtnl_bridge_getlink+0x850/0x850 [ 18.390774][ T426] ? __lock_release.isra.0+0x69/0x1a0 [ 18.390778][ T426] ? rtnl_bridge_getlink+0x850/0x850 [ 18.390780][ T426] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.390783][ T426] ? rtnl_link_fill+0x920/0x920 [ 18.390784][ T426] ? __lock_acquire+0x518/0xc20 [ 18.390789][ T426] ? lock_acquire.part.0+0xd4/0x280 [ 18.390790][ T426] ? find_held_lock+0x2b/0x80 [ 18.390794][ T426] netlink_rcv_skb+0x14e/0x3a0 [ 18.390796][ T426] ? rtnl_link_fill+0x920/0x920 [ 18.390798][ T426] ? netlink_ack+0xcf0/0xcf0 [ 18.390805][ T426] ? netlink_deliver_tap+0xc5/0x330 [ 18.390807][ T426] ? netlink_deliver_tap+0x13c/0x330 [ 18.390811][ T426] netlink_unicast+0x486/0x750 [ 18.390815][ T426] ? netlink_attachskb+0x810/0x810 [ 18.390817][ T426] ? find_held_lock+0x2b/0x80 [ 18.390822][ T426] netlink_sendmsg+0x75b/0xc90 [ 18.390825][ T426] ? netlink_unicast+0x750/0x750 [ 18.390829][ T426] ? __lock_release.isra.0+0x69/0x1a0 [ 18.390831][ T426] ? __import_iovec+0x36c/0x620 [ 18.390836][ T426] __sock_sendmsg+0xce/0x190 [ 18.390839][ T426] ____sys_sendmsg+0x61a/0x860 [ 18.390841][ T426] ? copy_msghdr_from_user+0x279/0x420 [ 18.390843][ T426] ? sock_write_iter+0x400/0x400 [ 18.390844][ T426] ? move_addr_to_kernel+0x40/0x40 [ 18.390852][ T426] ___sys_sendmsg+0x14e/0x1d0 [ 18.390854][ T426] ? copy_msghdr_from_user+0x420/0x420 [ 18.390870][ T426] __sys_sendmsg+0x12c/0x1d0 [ 18.390872][ T426] ? __sys_sendmsg_sock+0x20/0x20 [ 18.390878][ T426] ? rcu_is_watching+0x16/0xd0 [ 18.390881][ T426] do_syscall_64+0xff/0x530 [ 18.390884][ T426] ? exc_page_fault+0xee/0x100 [ 18.390887][ T426] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.390889][ T426] RIP: 0033:0x7fa83059754e [ 18.390893][ T426] 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 [ 18.390895][ T426] RSP: 002b:00007ffe51c885a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.390897][ T426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa83059754e [ 18.390898][ T426] RDX: 0000000000000000 RSI: 00007ffe51c88650 RDI: 0000000000000005 [ 18.390899][ T426] RBP: 00007ffe51c885b0 R08: 0000000000000000 R09: 0000000000000000 [ 18.390900][ T426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146c7 [ 18.390901][ T426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe51c88d10 [ 18.390908][ T426] [ 18.441254][ T426] vx: left promiscuous mode [ 18.441587][ T426] br: port 1(vx) entered disabled state [ 18.651953][ T441] dd: entered promiscuous mode [ 21.085933][ T504] dd: left promiscuous mode [ 21.085987][ T504] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.085989][ T504] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 504, name: ip [ 21.085991][ T504] preempt_count: 1, expected: 0 [ 21.085992][ T504] RCU nest depth: 0, expected: 0 [ 21.085993][ T504] locks held by ip/504: 6, last CPU#3: [ 21.085995][ T504] #0: ffffffff8d31b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x24f/0xae0 [ 21.086006][ T504] #1: ff110000097bce10 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: dev_set_promiscuity+0x96/0x230 [ 21.086011][ T504] #2: ffffffff8cb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.086016][ T504] #3: ffffffff8cb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.086020][ T504] #4: ffffffff8ca9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.086023][ T504] #5: ffffffff8ca9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.086027][ T504] irq event stamp: 19092 [ 21.086028][ T504] hardirqs last enabled at (19091): [] __down_trylock_console_sem+0x86/0xa0 [ 21.086031][ T504] hardirqs last disabled at (19092): [] console_emit_next_record+0x3d4/0x4c0 [ 21.086033][ T504] softirqs last enabled at (19084): [] macvlan_stop+0xf5/0x450 [ 21.086037][ T504] softirqs last disabled at (19070): [] dev_mc_unsync+0xe0/0x2f0 [ 21.086039][ T504] Preemption disabled at: [ 21.086040][ T504] [] vprintk_emit+0x31b/0x3e0 [ 21.086045][ T504] CPU: 3 UID: 0 PID: 504 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.086049][ T504] Tainted: [W]=WARN [ 21.086050][ T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.086051][ T504] Call Trace: [ 21.086053][ T504] [ 21.086054][ T504] dump_stack_lvl+0x6f/0xa0 [ 21.086060][ T504] ? vprintk_emit+0x31b/0x3e0 [ 21.086062][ T504] __might_resched.cold+0x1fe/0x2c1 [ 21.086066][ T504] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.086071][ T504] ? __kmalloc_noprof+0xdb/0x760 [ 21.086075][ T504] __kmalloc_noprof+0x443/0x760 [ 21.086077][ T504] ? alloc_buf.isra.0+0x4b/0x260 [ 21.086083][ T504] ? do_raw_spin_unlock+0x59/0x250 [ 21.086086][ T504] alloc_buf.isra.0+0x4b/0x260 [ 21.086089][ T504] put_chars+0x1e1/0x2f0 [ 21.086092][ T504] ? __send_to_port+0x420/0x420 [ 21.086093][ T504] ? check_prev_add+0xef/0xe90 [ 21.086098][ T504] ? validate_chain+0x34a/0xc20 [ 21.086101][ T504] hvc_console_print+0x292/0x780 [ 21.086105][ T504] ? mark_usage+0x61/0x170 [ 21.086107][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086109][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086113][ T504] ? hvc_write+0x3a0/0x3a0 [ 21.086115][ T504] ? lock_acquire.part.0+0xd4/0x280 [ 21.086119][ T504] ? lock_acquire+0x13c/0x160 [ 21.086123][ T504] console_emit_next_record+0x22f/0x4c0 [ 21.086127][ T504] ? devkmsg_read+0x4b0/0x4b0 [ 21.086129][ T504] ? console_flush_one_record+0x106/0x710 [ 21.086132][ T504] ? rcu_is_watching+0x16/0xd0 [ 21.086135][ T504] ? lock_acquire+0x13c/0x160 [ 21.086139][ T504] console_flush_one_record+0x46f/0x710 [ 21.086143][ T504] ? console_emit_next_record+0x4c0/0x4c0 [ 21.086145][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086150][ T504] console_unlock+0xee/0x1f0 [ 21.086153][ T504] ? console_flush_one_record+0x710/0x710 [ 21.086155][ T504] ? rcu_is_watching+0x16/0xd0 [ 21.086156][ T504] ? lock_acquire+0xe0/0x160 [ 21.086160][ T504] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.086162][ T504] ? vprintk_emit+0x320/0x3e0 [ 21.086164][ T504] vprintk_emit+0x37c/0x3e0 [ 21.086167][ T504] ? wake_up_klogd_work_func+0x90/0x90 [ 21.086169][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086174][ T504] _printk+0xc7/0x100 [ 21.086178][ T504] ? snapshot_read.cold+0x21/0x21 [ 21.086181][ T504] ? rcu_is_watching+0x16/0xd0 [ 21.086182][ T504] ? lock_acquire+0x13c/0x160 [ 21.086184][ T504] ? rcu_is_watching+0x16/0xd0 [ 21.086185][ T504] ? rcu_is_watching+0x16/0xd0 [ 21.086186][ T504] ? netdev_name+0x43/0x60 [ 21.086189][ T504] ? __netdev_printk+0x17f/0x1d0 [ 21.086193][ T504] netdev_info+0xe2/0x116 [ 21.086196][ T504] ? netdev_notice+0x120/0x120 [ 21.086199][ T504] ? ww_mutex_lock+0x160/0x160 [ 21.086207][ T504] __dev_set_promiscuity.cold+0x7a/0x104 [ 21.086211][ T504] netif_set_promiscuity+0x4c/0xc0 [ 21.086215][ T504] dev_set_promiscuity+0xa1/0x230 [ 21.086218][ T504] macvlan_stop+0x35e/0x450 [ 21.086221][ T504] __dev_close_many+0x1d4/0x680 [ 21.086224][ T504] ? net_generic+0xbd/0x1e0 [vxlan] [ 21.086231][ T504] ? netif_open+0x120/0x120 [ 21.086234][ T504] ? netif_close_many+0x1ff/0x770 [ 21.086240][ T504] netif_close_many+0x1ff/0x770 [ 21.086244][ T504] ? __dev_close_many+0x680/0x680 [ 21.086247][ T504] ? netif_close_many_and_unlock+0x22/0x2c0 [ 21.086251][ T504] unregister_netdevice_many_notify+0x71a/0x1b40 [ 21.086255][ T504] ? netlink_sendmsg+0x75b/0xc90 [ 21.086259][ T504] ? unregister_netdevice_queued+0x80/0x80 [ 21.086260][ T504] ? unregister_netdevice_many+0x20/0x20 [ 21.086263][ T504] ? netdev_upper_dev_unlink+0x79/0xa0 [ 21.086265][ T504] ? __netdev_upper_dev_unlink+0x1e0/0x1e0 [ 21.086270][ T504] rtnl_dellink+0x4a0/0xae0 [ 21.086271][ T504] ? mark_usage+0x61/0x170 [ 21.086273][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086275][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086277][ T504] ? rtnl_link_get_net_capable.constprop.0+0x3d0/0x3d0 [ 21.086298][ T504] ? lock_acquire.part.0+0xd4/0x280 [ 21.086300][ T504] ? find_held_lock+0x2b/0x80 [ 21.086303][ T504] ? __lock_release.isra.0+0x69/0x1a0 [ 21.086305][ T504] ? mark_usage+0x61/0x170 [ 21.086307][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086312][ T504] ? lock_acquire.part.0+0xd4/0x280 [ 21.086313][ T504] ? find_held_lock+0x2b/0x80 [ 21.086315][ T504] ? rtnl_link_get_net_capable.constprop.0+0x3d0/0x3d0 [ 21.086317][ T504] ? __lock_release.isra.0+0x69/0x1a0 [ 21.086321][ T504] ? rtnl_link_get_net_capable.constprop.0+0x3d0/0x3d0 [ 21.086323][ T504] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 21.086326][ T504] ? rtnl_link_fill+0x920/0x920 [ 21.086327][ T504] ? __lock_acquire+0x518/0xc20 [ 21.086332][ T504] ? lock_acquire.part.0+0xd4/0x280 [ 21.086333][ T504] ? find_held_lock+0x2b/0x80 [ 21.086337][ T504] netlink_rcv_skb+0x14e/0x3a0 [ 21.086339][ T504] ? rtnl_link_fill+0x920/0x920 [ 21.086341][ T504] ? netlink_ack+0xcf0/0xcf0 [ 21.086348][ T504] ? netlink_deliver_tap+0xc5/0x330 [ 21.086350][ T504] ? netlink_deliver_tap+0x13c/0x330 [ 21.086354][ T504] netlink_unicast+0x486/0x750 [ 21.086358][ T504] ? netlink_attachskb+0x810/0x810 [ 21.086361][ T504] ? find_held_lock+0x2b/0x80 [ 21.086365][ T504] netlink_sendmsg+0x75b/0xc90 [ 21.086369][ T504] ? netlink_unicast+0x750/0x750 [ 21.086372][ T504] ? __lock_release.isra.0+0x69/0x1a0 [ 21.086374][ T504] ? __import_iovec+0x36c/0x620 [ 21.086379][ T504] __sock_sendmsg+0xce/0x190 [ 21.086383][ T504] ____sys_sendmsg+0x61a/0x860 [ 21.086386][ T504] ? copy_msghdr_from_user+0x279/0x420 [ 21.086388][ T504] ? sock_write_iter+0x400/0x400 [ 21.086389][ T504] ? move_addr_to_kernel+0x40/0x40 [ 21.086396][ T504] ___sys_sendmsg+0x14e/0x1d0 [ 21.086399][ T504] ? copy_msghdr_from_user+0x420/0x420 [ 21.086415][ T504] __sys_sendmsg+0x12c/0x1d0 [ 21.086418][ T504] ? __sys_sendmsg_sock+0x20/0x20 [ 21.086424][ T504] ? rcu_is_watching+0x16/0xd0 [ 21.086427][ T504] do_syscall_64+0xff/0x530 [ 21.086430][ T504] ? exc_page_fault+0xee/0x100 [ 21.086433][ T504] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.086435][ T504] RIP: 0033:0x7f49453ba54e [ 21.086438][ T504] 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 [ 21.086440][ T504] RSP: 002b:00007ffc8608a700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.086442][ T504] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f49453ba54e [ 21.086443][ T504] RDX: 0000000000000000 RSI: 00007ffc8608a7b0 RDI: 0000000000000005 [ 21.086444][ T504] RBP: 00007ffc8608a710 R08: 0000000000000000 R09: 0000000000000000 [ 21.086445][ T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146ca [ 21.086446][ T504] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8608ae70 [ 21.086453][ T504] [ 21.157044][ T504] ip (504) used greatest stack depth: 22824 bytes left [ 21.355322][ T522] dd: entered promiscuous mode [ 21.400544][ T528] br: port 1(mv) entered blocking state [ 21.400799][ T528] br: port 1(mv) entered disabled state [ 21.401039][ T528] mv: entered allmulticast mode [ 21.401552][ T528] dd: entered allmulticast mode [ 21.403965][ T528] br: port 1(mv) entered blocking state [ 21.404211][ T528] br: port 1(mv) entered forwarding state [ 23.871343][ T591] mv: left allmulticast mode [ 23.871363][ T591] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.871365][ T591] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 591, name: ip [ 23.871367][ T591] preempt_count: 1, expected: 0 [ 23.871368][ T591] RCU nest depth: 0, expected: 0 [ 23.871368][ T591] locks held by ip/591: 5, last CPU#1: [ 23.871370][ T591] #0: ffffffff8d31b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 23.871382][ T591] #1: ffffffff8cb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.871388][ T591] #2: ffffffff8cb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.871392][ T591] #3: ffffffff8ca9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.871396][ T591] #4: ffffffff8ca9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.871400][ T591] irq event stamp: 23932 [ 23.871401][ T591] hardirqs last enabled at (23931): [] __down_trylock_console_sem+0x86/0xa0 [ 23.871404][ T591] hardirqs last disabled at (23932): [] console_emit_next_record+0x3d4/0x4c0 [ 23.871406][ T591] softirqs last enabled at (23902): [] __alloc_skb+0x4c2/0x5f0 [ 23.871410][ T591] softirqs last disabled at (23900): [] __alloc_skb+0x4c2/0x5f0 [ 23.871412][ T591] Preemption disabled at: [ 23.871413][ T591] [] vprintk_emit+0x31b/0x3e0 [ 23.871418][ T591] CPU: 1 UID: 0 PID: 591 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.871421][ T591] Tainted: [W]=WARN [ 23.871422][ T591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.871424][ T591] Call Trace: [ 23.871425][ T591] [ 23.871427][ T591] dump_stack_lvl+0x6f/0xa0 [ 23.871433][ T591] ? vprintk_emit+0x31b/0x3e0 [ 23.871434][ T591] __might_resched.cold+0x1fe/0x2c1 [ 23.871439][ T591] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.871443][ T591] ? __kmalloc_noprof+0xdb/0x760 [ 23.871448][ T591] __kmalloc_noprof+0x443/0x760 [ 23.871450][ T591] ? alloc_buf.isra.0+0x4b/0x260 [ 23.871456][ T591] ? do_raw_spin_unlock+0x59/0x250 [ 23.871459][ T591] alloc_buf.isra.0+0x4b/0x260 [ 23.871463][ T591] put_chars+0x1e1/0x2f0 [ 23.871466][ T591] ? __send_to_port+0x420/0x420 [ 23.871468][ T591] ? validate_chain+0x38b/0xc20 [ 23.871474][ T591] hvc_console_print+0x292/0x780 [ 23.871481][ T591] ? hvc_write+0x3a0/0x3a0 [ 23.871484][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871487][ T591] ? lock_acquire+0x13c/0x160 [ 23.871491][ T591] console_emit_next_record+0x22f/0x4c0 [ 23.871495][ T591] ? devkmsg_read+0x4b0/0x4b0 [ 23.871497][ T591] ? console_flush_one_record+0x106/0x710 [ 23.871501][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871502][ T591] ? lock_acquire+0x13c/0x160 [ 23.871506][ T591] console_flush_one_record+0x46f/0x710 [ 23.871510][ T591] ? console_emit_next_record+0x4c0/0x4c0 [ 23.871512][ T591] ? __lock_acquire+0x518/0xc20 [ 23.871518][ T591] console_unlock+0xee/0x1f0 [ 23.871521][ T591] ? console_flush_one_record+0x710/0x710 [ 23.871522][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871524][ T591] ? lock_acquire+0xe0/0x160 [ 23.871528][ T591] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.871530][ T591] ? vprintk_emit+0x320/0x3e0 [ 23.871533][ T591] vprintk_emit+0x37c/0x3e0 [ 23.871536][ T591] ? wake_up_klogd_work_func+0x90/0x90 [ 23.871537][ T591] ? rtnl_newlink+0x9f1/0x11b0 [ 23.871539][ T591] ? netlink_rcv_skb+0x14e/0x3a0 [ 23.871542][ T591] ? netlink_unicast+0x486/0x750 [ 23.871543][ T591] ? netlink_sendmsg+0x75b/0xc90 [ 23.871545][ T591] ? __sock_sendmsg+0xce/0x190 [ 23.871548][ T591] ? ____sys_sendmsg+0x61a/0x860 [ 23.871549][ T591] ? ___sys_sendmsg+0x14e/0x1d0 [ 23.871553][ T591] _printk+0xc7/0x100 [ 23.871556][ T591] ? snapshot_read.cold+0x21/0x21 [ 23.871561][ T591] ? netdev_name+0x43/0x60 [ 23.871564][ T591] ? __netdev_printk+0x17f/0x1d0 [ 23.871568][ T591] netdev_info+0xe2/0x116 [ 23.871571][ T591] ? netdev_notice+0x120/0x120 [ 23.871575][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871577][ T591] ? __up_read+0x355/0x9e0 [ 23.871580][ T591] ? down_write_nested+0x200/0x200 [ 23.871582][ T591] ? mutex_is_locked+0x1c/0x50 [ 23.871584][ T591] netif_set_allmulti.cold+0x7c/0x166 [ 23.871588][ T591] dev_set_allmulti+0xa6/0x240 [ 23.871592][ T591] del_nbp+0xb7/0xc10 [ 23.871599][ T591] br_del_if+0xab/0x200 [ 23.871601][ T591] ? rtnl_is_locked+0x15/0x20 [ 23.871604][ T591] do_set_master+0x15c/0x780 [ 23.871607][ T591] do_setlink.isra.0+0x9ec/0x2a60 [ 23.871611][ T591] ? stack_trace_save+0x93/0xc0 [ 23.871614][ T591] ? rtnl_link_get_size+0x350/0x350 [ 23.871615][ T591] ? rcu_read_lock_any_held+0x66/0x90 [ 23.871618][ T591] ? stack_depot_save_flags+0x38e/0x790 [ 23.871622][ T591] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.871624][ T591] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.871625][ T591] ? validate_chain+0x38b/0xc20 [ 23.871628][ T591] ? kasan_save_stack+0x3d/0x50 [ 23.871630][ T591] ? kasan_save_stack+0x2f/0x50 [ 23.871632][ T591] ? kasan_save_track+0x14/0x30 [ 23.871633][ T591] ? __kasan_kmalloc+0x7b/0x90 [ 23.871635][ T591] ? __lock_acquire+0x518/0xc20 [ 23.871637][ T591] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 23.871639][ T591] ? ___sys_sendmsg+0xd0/0x1d0 [ 23.871643][ T591] ? lock_acquire.part.0+0xd4/0x280 [ 23.871645][ T591] ? rtnl_newlink+0x9a8/0x11b0 [ 23.871647][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871649][ T591] ? lock_acquire+0x13c/0x160 [ 23.871651][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871652][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871653][ T591] ? trace_contention_end+0xb3/0x180 [ 23.871656][ T591] ? __mutex_lock+0x1db/0x1ea0 [ 23.871658][ T591] ? __mutex_lock+0x9a3/0x1ea0 [ 23.871660][ T591] ? rtnl_newlink+0x9a8/0x11b0 [ 23.871663][ T591] ? ww_mutex_lock+0x160/0x160 [ 23.871665][ T591] ? nla_get_range_signed+0x3d0/0x3d0 [ 23.871669][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871672][ T591] ? __rtnl_newlink+0x3fa/0xa50 [ 23.871677][ T591] rtnl_newlink+0x9f1/0x11b0 [ 23.871682][ T591] ? rtnl_bridge_getlink+0x850/0x850 [ 23.871684][ T591] ? __lock_acquire+0x518/0xc20 [ 23.871689][ T591] ? lock_acquire.part.0+0xd4/0x280 [ 23.871691][ T591] ? find_held_lock+0x2b/0x80 [ 23.871693][ T591] ? rtnl_bridge_getlink+0x850/0x850 [ 23.871695][ T591] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871699][ T591] ? rtnl_bridge_getlink+0x850/0x850 [ 23.871701][ T591] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.871704][ T591] ? rtnl_link_fill+0x920/0x920 [ 23.871705][ T591] ? __lock_acquire+0x518/0xc20 [ 23.871710][ T591] ? lock_acquire.part.0+0xd4/0x280 [ 23.871712][ T591] ? find_held_lock+0x2b/0x80 [ 23.871715][ T591] netlink_rcv_skb+0x14e/0x3a0 [ 23.871717][ T591] ? rtnl_link_fill+0x920/0x920 [ 23.871720][ T591] ? netlink_ack+0xcf0/0xcf0 [ 23.871727][ T591] ? netlink_deliver_tap+0xc5/0x330 [ 23.871729][ T591] ? netlink_deliver_tap+0x13c/0x330 [ 23.871733][ T591] netlink_unicast+0x486/0x750 [ 23.871737][ T591] ? netlink_attachskb+0x810/0x810 [ 23.871740][ T591] ? find_held_lock+0x2b/0x80 [ 23.871744][ T591] netlink_sendmsg+0x75b/0xc90 [ 23.871748][ T591] ? netlink_unicast+0x750/0x750 [ 23.871752][ T591] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871754][ T591] ? __import_iovec+0x36c/0x620 [ 23.871759][ T591] __sock_sendmsg+0xce/0x190 [ 23.871762][ T591] ____sys_sendmsg+0x61a/0x860 [ 23.871764][ T591] ? copy_msghdr_from_user+0x279/0x420 [ 23.871766][ T591] ? sock_write_iter+0x400/0x400 [ 23.871768][ T591] ? move_addr_to_kernel+0x40/0x40 [ 23.871775][ T591] ___sys_sendmsg+0x14e/0x1d0 [ 23.871778][ T591] ? copy_msghdr_from_user+0x420/0x420 [ 23.871794][ T591] __sys_sendmsg+0x12c/0x1d0 [ 23.871797][ T591] ? __sys_sendmsg_sock+0x20/0x20 [ 23.871803][ T591] ? rcu_is_watching+0x16/0xd0 [ 23.871806][ T591] do_syscall_64+0xff/0x530 [ 23.871809][ T591] ? exc_page_fault+0xee/0x100 [ 23.871812][ T591] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.871815][ T591] RIP: 0033:0x7fac01e4c54e [ 23.871819][ T591] 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 [ 23.871820][ T591] RSP: 002b:00007fff8bb53880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.871823][ T591] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fac01e4c54e [ 23.871824][ T591] RDX: 0000000000000000 RSI: 00007fff8bb53930 RDI: 0000000000000005 [ 23.871825][ T591] RBP: 00007fff8bb53890 R08: 0000000000000000 R09: 0000000000000000 [ 23.871826][ T591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146cd [ 23.871827][ T591] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8bb53ff0 [ 23.871833][ T591] [ 23.909215][ T591] dd: left allmulticast mode [ 23.910091][ T591] br: port 1(mv) entered disabled state [ 23.951853][ T593] dd: left promiscuous mode