binder: undelivered TRANSACTION_ERROR: 29189 device bond0 entered promiscuous mode device bond_slave_0 entered promiscuous mode device bond_slave_1 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device bond0 INFO: task syz-executor2:30422 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #152 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D25312 30422 5358 0x20020004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3575 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0xbe7/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 snd_seq_ioctl+0x221/0x440 sound/core/seq/seq_clientmgr.c:2137 snd_seq_ioctl_compat+0x16c/0x2d0 sound/core/seq/seq_compat.c:123 __do_compat_sys_ioctl fs/compat_ioctl.c:1419 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:1365 [inline] __ia32_compat_sys_ioctl+0x20e/0x630 fs/compat_ioctl.c:1365 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f51ca9 Code: Bad RIP value. RSP: 002b:00000000f5f0b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000c08c5332 RDX: 00000000200000c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/985: #0: 00000000dfde5ef1 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4435 1 lock held by rsyslogd/5218: #0: 00000000383cc0a0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/5309: #0: 00000000966b48c5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000e00d130c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5310: #0: 0000000083a17fa0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000b72181c8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5311: #0: 00000000cd0fc761 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000dc79f9a2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5312: #0: 00000000f31324a8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000075e008a2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5313: #0: 0000000007e02528 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000ad69a13c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5314: #0: 00000000b590a2ba (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000064dc67c7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5315: #0: 000000001c7de22e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000cecdc96e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 1 lock held by syz-executor2/30400: 1 lock held by syz-executor2/30422: #0: 0000000074b6717d (&client->ioctl_mutex){+.+.}, at: snd_seq_ioctl+0x221/0x440 sound/core/seq/seq_clientmgr.c:2137 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 985 Comm: khungtaskd Not tainted 4.19.0-rc4+ #152 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+0x1c4/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed 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:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb3e/0x1050 kernel/hung_task.c:265 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 30400 Comm: syz-executor2 Not tainted 4.19.0-rc4+ #152 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ktime_get_update_offsets_now+0x1f7/0x550 kernel/time/timekeeping.c:2249 Code: 89 eb 45 89 6e 80 31 ff 83 e3 01 41 c6 07 f8 89 de e8 6d e1 10 00 85 db 0f 85 5f 02 00 00 e8 50 e0 10 00 48 8b 05 19 ea cd 09 <48> 89 85 28 ff ff ff 49 8d 46 c0 48 c1 e8 03 4c 01 e0 c6 00 00 48 RSP: 0018:ffff8801dae07cd8 EFLAGS: 00000006 RAX: 000000c3d540aee5 RBX: 0000000000000000 RCX: ffffffff816e0423 RDX: 0000000000010000 RSI: ffffffff816e0430 RDI: 0000000000000005 RBP: ffff8801dae07dd8 R08: ffff8801bfe8c340 R09: 0000000000000002 R10: ffff8801bfe8cc10 R11: 3dd6233d2133a5b0 R12: dffffc0000000000 R13: 00000000000269dc R14: ffff8801dae07db0 R15: ffffed003b5c0fa6 FS: 0000000000000000(0000) GS:ffff8801dae00000(0063) knlGS:00000000f5f4db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020a00000 CR3: 00000001baaa8000 CR4: 00000000001406f0 Call Trace: hrtimer_update_base kernel/time/hrtimer.c:587 [inline] hrtimer_interrupt+0x137/0x780 kernel/time/hrtimer.c:1500 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: e8 29 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 00 5a 92 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 cc ad 40 f9 eb bb 0f 0b 0f 0b e8 6a 75 02 RSP: 0018:ffff880193cf7870 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 1ffff10037fd197c RDX: 1ffffffff12a453d RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff880193cf7880 R08: ffff8801bfe8cbe0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bfe8c340 R12: ffff8801c13ffae8 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] snd_seq_check_queue.part.4+0xba/0x360 sound/core/seq/seq_queue.c:266 snd_seq_check_queue sound/core/seq/seq_queue.c:255 [inline] snd_seq_enqueue_event+0x346/0x4d0 sound/core/seq/seq_queue.c:343 snd_seq_client_enqueue_event+0x2a5/0x510 sound/core/seq/seq_clientmgr.c:957 snd_seq_write+0x3f1/0x8d0 sound/core/seq/seq_clientmgr.c:1074 __vfs_write+0x119/0x9f0 fs/read_write.c:485 vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __ia32_sys_write+0x71/0xb0 fs/read_write.c:607 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f51ca9 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5f4d0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000000 RDX: 00000000ffffff76 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000