bridge0: received packet on veth0_to_bridge with own address as source address (addr:12:76:45:0e:1b:0d, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:12:76:45:0e:1b:0d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) INFO: task syz-executor.3:15411 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #95 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28224 15411 7540 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_timeout+0x8ca/0xfd0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:688 [inline] crypto_wait_req include/linux/crypto.h:683 [inline] tls_sw_free_resources_tx+0x3bc/0xa20 net/tls/tls_sw.c:1795 tls_sk_proto_close+0x66c/0x760 net/tls/tls_main.c:280 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:473 __sock_release+0xd3/0x250 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1139 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411d31 Code: be b3 34 01 00 00 31 c0 bf bb 36 44 00 e8 17 f3 00 00 8b b3 30 01 00 00 31 c0 bf d0 36 44 00 e8 05 f3 00 00 8b b3 08 01 00 00 <31> c0 bf e4 36 44 00 e8 f3 f2 00 00 8b 83 e0 00 00 00 48 89 ee bf RSP: 002b:00007ffe38627a40 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411d31 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000154aa5f5 R09: 00000000154aa5f9 R10: 00007ffe38627970 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000111 R15: 0000000000000003 INFO: task syz-executor.1:15413 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #95 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28224 15413 7534 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_timeout+0x8ca/0xfd0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:688 [inline] crypto_wait_req include/linux/crypto.h:683 [inline] tls_sw_free_resources_tx+0x3bc/0xa20 net/tls/tls_sw.c:1795 tls_sk_proto_close+0x66c/0x760 net/tls/tls_main.c:280 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:473 __sock_release+0xd3/0x250 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1139 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411d31 Code: be b3 34 01 00 00 31 c0 bf bb 36 44 00 e8 17 f3 00 00 8b b3 30 01 00 00 31 c0 bf d0 36 44 00 e8 05 f3 00 00 8b b3 08 01 00 00 <31> c0 bf e4 36 44 00 e8 f3 f2 00 00 8b 83 e0 00 00 00 48 89 ee bf RSP: 002b:00007ffe29aa17e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000411d31 RDX: 0000001b32920000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000012a54a5d R09: 0000000012a54a61 R10: 00007ffe29aa1710 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000f5 R15: 0000000000000001 Showing all locks held in the system: 2 locks held by ksoftirqd/1/16: 2 locks held by kworker/1:1/22: #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000ea058ad2 ((wq_completion)"events"){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144 #1: 00000000aa9dd600 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148 1 lock held by khungtaskd/1041: #0: 00000000229ef5de (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389 1 lock held by rsyslogd/7404: #0: 0000000037f9a632 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795 2 locks held by getty/7494: #0: 00000000e930fb9f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000001214374a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7495: #0: 000000008208dc73 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000632a5568 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7496: #0: 00000000ad60fbab (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000088a1f1dd (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7497: #0: 000000001d71b954 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000086636e55 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7498: #0: 0000000064b7bd0b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000001ecaeb78 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7499: #0: 00000000d68de99b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000a138009d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7500: #0: 00000000b6aa7a78 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000064666aa1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by syz-executor.3/15411: #0: 000000008fb9470d (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #0: 000000008fb9470d (&sb->s_type->i_mutex_key#11){+.+.}, at: __sock_release+0x89/0x250 net/socket.c:578 #1: 00000000c245c382 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1506 [inline] #1: 00000000c245c382 (sk_lock-AF_INET6){+.+.}, at: wait_on_pending_writer+0x15b/0x3f0 net/tls/tls_main.c:89 2 locks held by syz-executor.1/15413: #0: 00000000b1b9ff63 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #0: 00000000b1b9ff63 (&sb->s_type->i_mutex_key#11){+.+.}, at: __sock_release+0x89/0x250 net/socket.c:578 #1: 000000007334a5a1 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1506 [inline] #1: 000000007334a5a1 (sk_lock-AF_INET6){+.+.}, at: tls_sk_proto_close+0xd6/0x760 net/tls/tls_main.c:264 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 5.0.0-rc7+ #95 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7404 Comm: rsyslogd Not tainted 5.0.0-rc7+ #95 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_static_branch kernel/trace/trace_preemptirq.c:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] RIP: 0010:trace_hardirqs_on+0x87/0x230 kernel/trace/trace_preemptirq.c:25 Code: ff 48 8b 7d 08 e8 39 0e e2 ff 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c5 96 fa ff 48 8b 45 00 4c 8b 75 08 4c 8b 68 08 <0f> 1f 44 00 00 e8 af 96 fa ff eb b6 e8 a8 96 fa ff 65 8b 1d 51 36 RSP: 0018:ffff8880858678e0 EFLAGS: 00000093 RAX: ffff888085867950 RBX: 0000000000000000 RCX: ffffffff81754a85 RDX: 0000000000000000 RSI: ffffffff81754abb RDI: 0000000000000005 RBP: ffff888085867910 R08: ffff888089a1a400 R09: ffff888089a1aca0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff81a6ec6b R14: ffffffff81a6e84d R15: ffff88821b6f8540 FS: 00007f0f26c72700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3da1fdc000 CR3: 0000000092404000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0xfd/0x150 mm/kasan/quarantine.c:167 quarantine_reduce+0x17b/0x1b0 mm/kasan/quarantine.c:260 __kasan_kmalloc.constprop.0+0xa3/0xe0 mm/kasan/common.c:476 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:503 slab_post_alloc_hook mm/slab.h:440 [inline] slab_alloc mm/slab.c:3388 [inline] kmem_cache_alloc_trace+0x13a/0x760 mm/slab.c:3613 kmalloc include/linux/slab.h:545 [inline] syslog_print kernel/printk/printk.c:1302 [inline] do_syslog kernel/printk/printk.c:1475 [inline] do_syslog+0x5aa/0x1790 kernel/printk/printk.c:1449 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 proc_reg_read+0x1fa/0x2c0 fs/proc/inode.c:229 __vfs_read+0x116/0x8c0 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 ksys_read+0xea/0x1f0 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:586 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0f296d21fd Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f0f26c71e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000230f670 RCX: 00007f0f296d21fd RDX: 0000000000000fff RSI: 00007f0f284a65a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000022fa260 R09: 0000000000000000 R10: 69617420746f4e20 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f0f26c729c0 R14: 00007f0f29d17040 R15: 0000000000000003