Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. executing program [*** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (19s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ 27.221936][ T22] audit: type=1400 audit(1608302579.186:8): avc: denied { execmem } for pid=357 comm="syz-executor959" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 27.257850][ T360] incfs: Can't find or create .incomplete dir in ./file0 [ 27.266651][ T363] BUG: Dentry 000000006c210460{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 27.276842][ T363] ------------[ cut here ]------------ [ 27.282280][ T363] WARNING: CPU: 1 PID: 363 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 27.290564][ T363] Kernel panic - not syncing: panic_on_warn set ... [ 27.297119][ T363] CPU: 1 PID: 363 Comm: syz-executor959 Not tainted 5.4.84-syzkaller-00151-gcd5f5cb9fe67 #0 [ 27.307139][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.317156][ T363] Call Trace: [ 27.320415][ T363] dump_stack+0x1dd/0x24e [ 27.324714][ T363] ? devkmsg_release+0x11c/0x11c [ 27.329620][ T363] ? show_regs_print_info+0x12/0x12 [ 27.334783][ T363] ? vprintk_store+0x690/0x690 [ 27.339512][ T363] ? console_trylock+0x166/0x1c0 [ 27.344455][ T363] ? umount_check+0xe0/0x1c0 [ 27.349011][ T363] ? umount_check+0xe0/0x1c0 [ 27.353568][ T363] panic+0x285/0x750 [ 27.357429][ T363] ? __warn+0xfa/0x200 [ 27.361459][ T363] ? nmi_panic+0x90/0x90 [ 27.365665][ T363] ? devkmsg_release+0x11c/0x11c [ 27.370569][ T363] ? is_valid_bugaddr+0xa0/0x150 [ 27.375481][ T363] ? umount_check+0x179/0x1c0 [ 27.380141][ T363] __warn+0x1fd/0x200 [ 27.384086][ T363] ? umount_check+0x179/0x1c0 [ 27.388727][ T363] report_bug+0x390/0x4d0 [ 27.393023][ T363] ? umount_check+0x179/0x1c0 [ 27.397665][ T363] do_invalid_op+0x6e/0x110 [ 27.402153][ T363] invalid_op+0x1e/0x30 [ 27.406282][ T363] RIP: 0010:umount_check+0x179/0x1c0 [ 27.411534][ T363] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e3 3d 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 27 54 b0 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff [ 27.431110][ T363] RSP: 0018:ffff8881ea06f700 EFLAGS: 00010296 [ 27.437183][ T363] RAX: 0000000000000059 RBX: ffffffff8548cd30 RCX: 884c82dec1d38000 [ 27.445121][ T363] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 27.453081][ T363] RBP: ffff8881dea42420 R08: ffffffff814e3401 R09: ffffed103ee25e08 [ 27.453086][ T363] R10: ffffed103ee25e08 R11: 0000000000000000 R12: dffffc0000000000 [ 27.453[ [0;31090][ T363] R13: 000000000m0*] A start 000001 R14: 0000000000000000 Rjob is running f15: ffff8or dev-ttyS0.dev881eff82ice (21s / 1min 530s)50 [ 27.453119][ T363] ? vprintk_emit+0x3b1/0x500 [ 27.488985][ T363] d_walk+0x2e9/0x570 [ 27.492933][ T363] ? __d_free+0x20/0x20 [ 27.497097][ T363] shrink_dcache_for_umount+0x8a/0x1b0 [ 27.502537][ T363] generic_shutdown_super+0x63/0x2a0 [ 27.507786][ T363] kill_block_super+0x79/0xd0 [ 27.512430][ T363] deactivate_locked_super+0xaf/0x100 [ 27.517768][ T363] deactivate_super+0x1b8/0x280 [ 27.522586][ T363] ? deactivate_locked_super+0x100/0x100 [ 27.528184][ T363] ? dput+0x4ed/0x5e0 [ 27.532137][ T363] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.537220][ T363] ? find_next_bit+0xd8/0x120 [ 27.541980][ T363] cleanup_mnt+0x432/0x4e0 [ 27.546512][ T363] task_work_run+0x176/0x1a0 [ 27.551066][ T363] do_exit+0xcc2/0x2830 [ 27.555188][ T363] ? mm_update_next_owner+0x5d0/0x5d0 [ 27.560526][ T363] ? stack_trace_snprint+0x150/0x150 [ 27.565775][ T363] ? futex_exit_release+0xc0/0xc0 [ 27.570765][ T363] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.575955][ T363] ? _raw_spin_lock_irqsave+0x210/0x210 [ 27.581463][ T363] do_group_exit+0x155/0x2b0 [ 27.586016][ T363] get_signal+0x13ec/0x1f00 [ 27.590486][ T363] ? ptrace_notify+0x340/0x340 [ 27.595215][ T363] do_signal+0x92/0x5d0 [ 27.599333][ T363] ? __se_sys_futex+0x34d/0x470 [ 27.604149][ T363] ? signal_fault+0x1f0/0x1f0 [ 27.608792][ T363] ? __x64_sys_futex+0x1d/0xf0 [ 27.613519][ T363] prepare_exit_to_usermode+0x207/0x310 [ 27.619035][ T363] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.624907][ T363] RIP: 0033:0x44a219 [ 27.628771][ T363] Code: Bad RIP value. [ 27.632802][ T363] RSP: 002b:00007f1389354d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 27.641174][ T363] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 000000000044a219 [ 27.649112][ T363] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 27.657048][ T363] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 27.664984][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 27.672922][ T363] R13: 0000000000004002 R14: 0001800200746166 R15: 2e73666b6d903ceb [ 27.681362][ T363] Kernel Offset: disabled [ 27.685661][ T363] Rebooting in 86400 seconds..