INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes [ 546.999262] random: crng init done Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 848.443720] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor694:3996] [ 848.452125] Modules linked in: [ 848.455412] irq event stamp: 933704 [ 848.459142] hardirqs last enabled at (933703): [] restore_regs_and_iret+0x0/0x1d [ 848.468415] hardirqs last disabled at (933704): [] apic_timer_interrupt+0x9b/0xb0 [ 848.477698] softirqs last enabled at (921172): [] __do_softirq+0x46c/0x937 [ 848.486386] softirqs last disabled at (921163): [] irq_exit+0x147/0x190 [ 848.496037] CPU: 1 PID: 3996 Comm: syz-executor694 Not tainted 4.9.111-g03c70fe #10 [ 848.503812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 848.513416] task: ffff8801d8ac3000 task.stack: ffff8801b70a0000 [ 848.519454] RIP: 0010:[] [] change_mnt_propagation+0xa9/0xbd0 [ 848.528820] RSP: 0018:ffff8801b70a7af0 EFLAGS: 00000246 [ 848.534258] RAX: ffff8801d8ac3000 RBX: ffff8801cda6e400 RCX: ffff8801cda6e468 [ 848.541526] RDX: 1ffff1003723a2c4 RSI: ffffffff8160fbe8 RDI: ffff8801b91d1620 [ 848.548806] RBP: ffff8801b70a7b50 R08: ffff8801cda6e468 R09: 0000000000000001 [ 848.556086] R10: 0000000000000000 R11: 1ffff1003b15872c R12: dffffc0000000000 [ 848.563348] R13: ffff8801b91d1600 R14: ffff8801d9c47340 R15: ffffed0039b4dc84 [ 848.570605] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7667b40 [ 848.578828] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 848.584692] CR2: 00000000f76cadb0 CR3: 00000001ca4fa000 CR4: 00000000001606f0 [ 848.592068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 848.599318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 848.606567] Stack: [ 848.608707] ffff8801b70a7b20 ffffffff815db8af 0000000000000000 ffff8801cda6e4f0 [ 848.616764] ffff8801cda6e420 ffff8801cda6e4e0 00040000b70a7b50 ffff8801cda6e490 [ 848.624800] dffffc0000000000 ffff8801cda6e400 ffff8801d9c469a0 ffff8801b70a7bf0 [ 848.632818] Call Trace: [ 848.635509] [] ? put_mountpoint+0x1cf/0x260 [ 848.641493] [] umount_tree+0x326/0x820 [ 848.647027] [] ? unhash_mnt+0x370/0x370 [ 848.652638] [] attach_recursive_mnt+0x750/0x8f0 [ 848.658939] [] ? graft_tree+0x16f/0x1f0 [ 848.664543] [] ? count_mounts+0x240/0x240 [ 848.670350] [] ? copy_tree+0x200/0x810 [ 848.675872] [] graft_tree+0x16f/0x1f0 [ 848.681308] [] do_mount+0x1f5f/0x2740 [ 848.686758] [] ? copy_mount_string+0x40/0x40 [ 848.692847] [] ? kasan_unpoison_shadow+0x35/0x50 [ 848.699235] [] ? kasan_kmalloc+0xc7/0xe0 [ 848.704947] [] ? kmem_cache_alloc_trace+0xfd/0x2b0 [ 848.711769] [] ? copy_mount_options+0x5f/0x320 [ 848.717979] [] ? copy_mount_options+0x1e5/0x320 [ 848.724324] [] compat_SyS_mount+0x4fc/0xff0 [ 848.730640] [] ? do_fast_syscall_32+0xcf/0x870 [ 848.736854] [] ? compat_SyS_io_submit+0xf0/0xf0 [ 848.743149] [] do_fast_syscall_32+0x2f7/0x870 [ 848.749285] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 848.755940] [] entry_SYSENTER_compat+0x90/0xa2 [ 848.762235] Code: 4d 01 e7 eb 36 e8 28 ee d4 ff 49 8d 7d 20 48 89 fa 48 c1 ea 03 42 80 3c 22 00 0f 85 d7 08 00 00 41 80 3f 00 4d 8b b6 70 ff ff ff <0f> 85 b8 08 00 00 4c 3b 73 20 0f 84 1e 02 00 00 e8 f2 ed d4 ff [ 848.789607] Sending NMI from CPU 1 to CPUs 0: [ 848.794556] NMI backtrace for cpu 0 [ 848.798187] CPU: 0 PID: 1 Comm: init Not tainted 4.9.111-g03c70fe #10 [ 848.804747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 848.814084] task: ffff8801d99b0000 task.stack: ffff8801d99b8000 [ 848.820125] RIP: 0010:[] c [] path_init+0x104b/0x1580 [ 848.828518] RSP: 0018:ffff8801d99bfab0 EFLAGS: 00000293 [ 848.833988] RAX: ffff8801d99b0000 RBX: ffff8801d99bfbe0 RCX: 1ffffffff08c1bc8 [ 848.841246] RDX: 0000000000000000 RSI: ffffffff815a0669 RDI: 0000000000000246 [ 848.848497] RBP: ffff8801d99bfb48 R08: ffff8801d99b08e8 R09: 0000000000000000 [ 848.855747] R10: 0000000000000000 R11: 0000000000000000 R12: fffffbfff08c1bc8 [ 848.863259] R13: ffff8801d5ea331c R14: 0000000000000041 R15: ffffffff8460de40 [ 848.870507] FS: 00007f19913a77a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 848.878712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 848.885093] CR2: 00000000f7667db0 CR3: 00000001cd40c000 CR4: 00000000001606f0 [ 848.892377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 848.899782] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 848.907034] Stack: [ 848.909162] ffffffff815a3abac 0000000000000046c 0000000000000000c ffffffff81f1ccccc [ 848.917974] ffff8801d99b08c0c ffff8801d99b08c8c 0000000000000046c ffffffff843c3108c [ 848.926177] ffffffff81f1ceddc 0000000300000002c 0000000000000046c 0000000000000092c [ 848.934380] Call Trace: [ 848.936948] [] ? path_lookupat.isra.41+0x2a/0x410 [ 848.943415] [] ? debug_object_activate+0x11c/0x4e0 [ 848.950663] [] ? debug_object_activate+0x32d/0x4e0 [ 848.957227] [] path_lookupat.isra.41+0x2a/0x410 [ 848.963548] [] filename_lookup.part.55+0x177/0x370 [ 848.970115] [] ? filename_parentat.isra.53.part.54+0x3d0/0x3d0 [ 848.977713] [] ? strncpy_from_user+0x20d/0x2d0 [ 848.983925] [] ? getname_flags+0x23a/0x580 [ 848.989801] [] user_path_at_empty+0x53/0x70 [ 848.995765] [] vfs_fstatat+0xc6/0x170 [ 849.001188] [] ? vfs_fstat+0x80/0x80 [ 849.006541] [] ? do_setitimer+0x118/0x870 [ 849.012312] [] SYSC_newstat+0x86/0xf0 [ 849.017762] [] ? cp_new_stat+0x5c0/0x5c0 [ 849.023468] [] ? do_setitimer+0x870/0x870 [ 849.029415] [] ? __might_fault+0x114/0x1d0 [ 849.035288] [] ? do_syscall_64+0x48/0x490 [ 849.041062] [] SyS_newstat+0x1d/0x30 [ 849.046402] [] ? SyS_fstat+0x30/0x30 [ 849.051755] [] do_syscall_64+0x1a6/0x490 [ 849.057440] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 849.064353] Code: cf6 cc2 c01 c75 cda c41 c89 cd5 ce9 c21 cfa cff cff c48 cba c00 c00 c00 c00 c00 cfc cff cdf c49 c89 cc4 c49 c89 cc7 c49 cc1 cec c03 c49 c01 cd4 ce8 ca7 ce3 cdb cff cf3 c90 c<41> c0f cb6 c14 c24 c84 cd2 c74 c09 c80 cfa c03 c0f c8e c4c c04 c00 c00 c41 c8b c07 c [ 849.094632] Kernel panic - not syncing: softlockup: hung tasks [ 849.100613] CPU: 1 PID: 3996 Comm: syz-executor694 Tainted: G L 4.9.111-g03c70fe #10 [ 849.109604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 849.118943] ffff8801db307ce8 ffffffff81eb2729 ffffffff83c8bda0 00000000ffffffff [ 849.126963] 0000000000000f00 0000000000000001 000000051f4d5c00 ffff8801db307da8 [ 849.134994] ffffffff814219f5 0000000041b58ab3 ffffffff843ba8c0 ffffffff81421836 [ 849.143038] Call Trace: [ 849.145599] [ 849.147681] [] dump_stack+0xc1/0x128 [ 849.153062] [] panic+0x1bf/0x3bc [ 849.158061] [] ? add_taint.cold.6+0x16/0x16 [ 849.164024] [] ? watchdog_timer_fn.cold.1+0x5/0x25 [ 849.170587] [] watchdog_timer_fn.cold.1+0x16/0x25 [ 849.177123] [] ? __touch_watchdog+0x30/0x30 [ 849.183078] [] __hrtimer_run_queues+0x375/0xe50 [ 849.189377] [] ? retrigger_next_event+0x1c0/0x1c0 [ 849.195891] [] ? kvm_clock_read+0x23/0x40 [ 849.201679] [] ? kvm_clock_get_cycles+0x9/0x10 [ 849.207918] [] ? hrtimer_interrupt+0x12d/0x430 [ 849.214140] [] hrtimer_interrupt+0x1b1/0x430 [ 849.220258] [] local_apic_timer_interrupt+0x74/0xa0 [ 849.226913] [] smp_apic_timer_interrupt+0x7c/0xa0 [ 849.233451] [] apic_timer_interrupt+0xa0/0xb0 [ 849.239571] [ 849.241620] [] ? change_mnt_propagation+0x88/0xbd0 [ 849.248208] [] ? change_mnt_propagation+0xa9/0xbd0 [ 849.255893] [] ? put_mountpoint+0x1cf/0x260 [ 849.261848] [] umount_tree+0x326/0x820 [ 849.267376] [] ? unhash_mnt+0x370/0x370 [ 849.272981] [] attach_recursive_mnt+0x750/0x8f0 [ 849.279280] [] ? graft_tree+0x16f/0x1f0 [ 849.285062] [] ? count_mounts+0x240/0x240 [ 849.290855] [] ? copy_tree+0x200/0x810 [ 849.296386] [] graft_tree+0x16f/0x1f0 [ 849.301834] [] do_mount+0x1f5f/0x2740 [ 849.307281] [] ? copy_mount_string+0x40/0x40 [ 849.313332] [] ? kasan_unpoison_shadow+0x35/0x50 [ 849.319723] [] ? kasan_kmalloc+0xc7/0xe0 [ 849.325421] [] ? kmem_cache_alloc_trace+0xfd/0x2b0 [ 849.331986] [] ? copy_mount_options+0x5f/0x320 [ 849.338198] [] ? copy_mount_options+0x1e5/0x320 [ 849.344498] [] compat_SyS_mount+0x4fc/0xff0 [ 849.350449] [] ? do_fast_syscall_32+0xcf/0x870 [ 849.356658] [] ? compat_SyS_io_submit+0xf0/0xf0 [ 849.362960] [] do_fast_syscall_32+0x2f7/0x870 [ 849.369088] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.375736] [] entry_SYSENTER_compat+0x90/0xa2 [ 849.382667] Dumping ftrace buffer: [ 849.386256] (ftrace buffer empty) [ 849.389953] Kernel Offset: disabled [ 849.393584] Rebooting in 86400 seconds..