Starting OpenBSD Secure Shell server... Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty4. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts. executing program [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[*** ] 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)[ 18.538349][ T22] audit: type=1400 audit(1610253468.545:8): avc: denied { execmem } for pid=354 comm="syz-executor490" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ 18.725983][ T357] incfs: Can't find or create .index dir in ./file0 [ 18.733044][ T357] BUG: Dentry 000000003f6d86ee{i=0,n=.index} still in use (1) [unmount of fuse fuse] [ 18.742678][ T357] ------------[ cut here ]------------ [ 18.748183][ T357] WARNING: CPU: 0 PID: 357 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 18.756502][ T357] Kernel panic - not syncing: panic_on_warn set ... [ 18.763056][ T357] CPU: 0 PID: 357 Comm: syz-executor490 Not tainted 5.4.87-syzkaller-00101-g47494776db44 #0 [ 18.773078][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.783099][ T357] Call Trace: [ 18.786361][ T357] dump_stack+0x1dd/0x24e [ 18.790657][ T357] ? devkmsg_release+0x11c/0x11c [ 18.795570][ T357] ? show_regs_print_info+0x12/0x12 [ 18.800740][ T357] ? vprintk_store+0x690/0x690 [ 18.805467][ T357] ? console_trylock+0x166/0x1c0 [ 18.810978][ T357] ? umount_check+0x150/0x1c0 [ 18.815627][ T357] ? umount_check+0x150/0x1c0 [ 18.820277][ T357] panic+0x285/0x750 [ 18.824171][ T357] ? __warn+0xfa/0x200 [ 18.828251][ T357] ? nmi_panic+0x90/0x90 [ 18.832471][ T357] ? devkmsg_release+0x11c/0x11c [ 18.837396][ T357] ? is_valid_bugaddr+0xa0/0x150 [ 18.842299][ T357] ? umount_check+0x179/0x1c0 [ 18.846943][ T357] __warn+0x1fd/0x200 [ 18.850892][ T357] ? umount_check+0x179/0x1c0 [ 18.855535][ T357] report_bug+0x390/0x4d0 [ 18.859832][ T357] ? umount_check+0x179/0x1c0 [ 18.864474][ T357] do_invalid_op+0x6e/0x110 [ 18.868944][ T357] invalid_op+0x1e/0x30 [ 18.873069][ T357] RIP: 0010:umount_check+0x179/0x1c0 [ 18.878330][ T357] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 83 49 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 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 [ 18.897916][ T357] RSP: 0018:ffff8881e92875d8 EFLAGS: 00010286 [ 18.903948][ T357] RAX: 0000000000000053 RBX: ffffffff8548e440 RCX: 89eb5fa375f87200 [ 18.911896][ T357] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 18.919835][ T357] RBP: ffff8881e892c420 R08: ffffffff814e3ed1 R09: ffffed103ee05e08 [ 18.927772][ T357] R10: ffffed103ee05e08 R11: 0000000000000000 R12: dffffc0000000000 [ 18.935726][ T357] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881effaacc0 [ 18.943772][ T357] ? vprintk_emit+0x3b1/0x500 [ 18.948420][ T357] d_walk+0x2e9/0x570 [ 18.952378][ T357] ? __d_free+0x20/0x20 [ 18.956509][ T357] shrink_dcache_for_umount+0x8a/0x1b0 [ 18.961932][ T357] generic_shutdown_super+0x63/0x2a0 [ 18.967184][ T357] kill_anon_super+0x36/0x60 [ 18.971741][ T357] fuse_kill_sb_anon+0x1c0/0x280 [ 18.976742][ T357] ? fuse_fill_super_common+0xf60/0xf60 [ 18.982254][ T357] ? unregister_shrinker+0x1f7/0x260 [ 18.987505][ T357] ? kfree+0x12c/0x660 [ 18.991549][ T357] ? up_read+0x10/0x10 [ 18.995605][ T357] ? unregister_shrinker+0x1f7/0x260 [ 19.000855][ T357] deactivate_locked_super+0xaf/0x100 [ 19.006209][ T357] deactivate_super+0x1b8/0x280 [ 19.011026][ T357] ? deactivate_locked_super+0x100/0x100 [ 19.016624][ T357] ? dput+0x4ed/0x5e0 [ 19.020573][ T357] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.025661][ T357] ? find_next_bit+0xd8/0x120 [ 19.030314][ T357] cleanup_mnt+0x432/0x4e0 [ 19.034695][ T357] task_work_run+0x176/0x1a0 [ 19.039261][ T357] do_exit+0xcc2/0x2830 [ 19.043395][ T357] ? mm_update_next_owner+0x5d0/0x5d0 [ 19.048732][ T357] ? check_preemption_disabled+0x15a/0x330 [ 19.054503][ T357] ? debug_smp_processor_id+0x20/0x20 [ 19.059850][ T357] ? stack_trace_snprint+0x150/0x150 [ 19.065111][ T357] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.070204][ T357] ? _raw_spin_lock_irqsave+0x210/0x210 [ 19.075725][ T357] do_group_exit+0x155/0x2b0 [ 19.080281][ T357] get_signal+0x13ec/0x1f00 [ 19.084753][ T357] ? ptrace_notify+0x340/0x340 [ 19.089485][ T357] do_signal+0x92/0x5d0 [ 19.093609][ T357] ? ksys_mount+0xe0/0xf0 [ 19.097915][ T357] ? kfree+0x12c/0x660 [ 19.101949][ T357] ? signal_fault+0x1f0/0x1f0 [ 19.106603][ T357] ? ksys_mount+0xe0/0xf0 [ 19.110909][ T357] prepare_exit_to_usermode+0x207/0x310 [ 19.116422][ T357] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.122280][ T357] RIP: 0033:0x4466f9 [ 19.126146][ T357] Code: Bad RIP value. [ 19.130196][ T357] RSP: 002b:00007fdaa99c5d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 19.138577][ T357] RAX: fffffffffffffffc RBX: 00000000006ddc28 RCX: 00000000004466f9 [ 19.146516][ T357] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 19.154453][ T357] RBP: 00000000006ddc20 R08: 0000000000000000 R09: 0000000000000000 [ 19.162495][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 19.170441][ T357] R13: 0000000020000000 R14: 00000000004aeee0 R15: 0000000000000064 [ 19.178829][ T357] Kernel Offset: disabled [ 19.183142][ T357] Rebooting in 86400 seconds..