Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. executing program [ **] 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 (17s / 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)[ 25.657254][ T22] audit: type=1400 audit(1609814386.893:8): avc: denied { execmem } for pid=359 comm="syz-executor028" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 25.683865][ T361] incfs: Can't find or create .index dir in ./file0 [ 25.691145][ T361] BUG: Dentry 000000007784ebae{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 25.700919][ T361] ------------[ cut here ]------------ [ 25.706360][ T361] WARNING: CPU: 0 PID: 361 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 25.714646][ T361] Kernel panic - not syncing: panic_on_warn set ... [ 25.721201][ T361] CPU: 0 PID: 361 Comm: syz-executor028 Not tainted 5.4.86-syzkaller-00678-ge627b02af655 #0 [ 25.731226][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.741251][ T361] Call Trace: [ 25.744513][ T361] dump_stack+0x1dd/0x24e [ 25.748824][ T361] ? devkmsg_release+0x11c/0x11c [ 25.753934][ T361] ? show_regs_print_info+0x12/0x12 [ 25.760164][ T361] ? vprintk_store+0x690/0x690 [ 25.765764][ T361] ? console_trylock+0x166/0x1c0 [ 25.770686][ T361] ? umount_check+0xf0/0x1c0 [ 25.775355][ T361] ? umount_check+0xf0/0x1c0 [ 25.779910][ T361] panic+0x285/0x750 [ 25.783774][ T361] ? __warn+0xfa/0x200 [ 25.787810][ T361] ? nmi_panic+0x90/0x90 [ 25.792021][ T361] ? devkmsg_release+0x11c/0x11c [ 25.797100][ T361] ? is_valid_bugaddr+0xa0/0x150 [ 25.802001][ T361] ? umount_check+0x179/0x1c0 [ 25.807355][ T361] __warn+0x1fd/0x200 [ 25.811303][ T361] ? umount_check+0x179/0x1c0 [ 25.815948][ T361] report_bug+0x390/0x4d0 [ 25.820244][ T361] ? umount_check+0x179/0x1c0 [ 25.824906][ T361] do_invalid_op+0x6e/0x110 [ 25.829377][ T361] invalid_op+0x1e/0x30 [ 25.833513][ T361] RIP: 0010:umount_check+0x179/0x1c0 [ 25.838778][ T361] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a3 46 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 4e 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 [ 25.858691][ T361] RSP: 0018:ffff8881e8ce7a40 EFLAGS: 00010292 [ 25.864917][ T361] RAX: 0000000000000055 RBX: ffffffff8548cf20 RCX: ad418c5e33a64700 [ 25.872861][ T361] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 25.880990][ T361] RBP: ffff8881e8ec4420 R08: ffffffff814e3571 R09: ffffed103ee05e08 [ 25.888931][ T361] R10: ffffed103ee05e08 R11: 0000000000000000 R12: dffffc0000000000 [ 25.896959][ T361] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efdd9aa0 [ 25.904912][ T361] ? vprintk_emit+0x3b1/0x500 [ 25.909565][ T361] d_walk+0x2e9/0x570 [ 25.913552][ T361] ? __d_free+0x20/0x20 [ 25.917681][ T361] shrink_dcache_for_umount+0x8a/0x1b0 [ 25.923121][ T361] generic_shutdown_super+0x63/0x2a0 [ 25.928373][ T361] kill_block_super+0x79/0xd0 [ 25.933016][ T361] deactivate_locked_super+0xaf/0x100 [ 25.938370][ T361] deactivate_super+0x1b8/0x280 [ 25.943201][ T361] ? deactivate_locked_super+0x100/0x100 [ 25.948808][ T361] ? dput+0x4ed/0x5e0 [ 25.952778][ T361] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 25.957918][ T361] ? find_next_bit+0xd8/0x120 [ 25.962578][ T361] cleanup_mnt+0x432/0x4e0 [ 25.966988][ T361] task_work_run+0x176/0x1a0 [ 25.971646][ T361] do_exit+0xcc2/0x2830 [ 25.975784][ T361] ? mm_update_next_owner+0x5d0/0x5d0 [ 25.981123][ T361] ? __up_read+0x6f/0x1b0 [ 25.985450][ T361] ? kfree+0x12c/0x660 [ 25.989625][ T361] ? check_preemption_disabled+0x15a/0x330 [ 25.995397][ T361] ? debug_smp_processor_id+0x20/0x20 [ 26.000749][ T361] do_group_exit+0x155/0x2b0 [ 26.005306][ T361] __do_sys_exit_group+0x13/0x20 [ 26.010300][ T361] __se_sys_exit_group+0x10/0x10 [ 26.015203][ T361] __x64_sys_exit_group+0x37/0x40 [ 26.020194][ T361] do_syscall_64+0xcb/0x150 [ 26.024674][ T361] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.030537][ T361] RIP: 0033:0x443d78 [ 26.034413][ T361] Code: Bad RIP value. [ 26.038458][ T361] RSP: 002b:00007ffe65eddda8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.046841][ T361] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000443d78 [ 26.054784][ T361] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 26.063767][ T361] RBP: 00000000004c3f70 R08: 00000000000000e7 R09: ffffffffffffffd4 [ 26.071712][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 26.079657][ T361] R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000 [ 26.088237][ T361] Kernel Offset: disabled [ 26.092539][ T361] Rebooting in 86400 seconds..