Warning: Permanently added '10.128.1.59' (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 (8s / 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)[ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ 18.574183][ T22] audit: type=1400 audit(1630975129.929:8): avc: denied { execmem } for pid=334 comm="syz-executor901" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 18.606411][ T337] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 18.616370][ T337] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor901: reserved inode found cleared - inode=1 [ 18.629483][ T337] incfs: Can't find or create .index dir in ./file0 [ 18.641404][ T341] BUG: Dentry ffff8881ecb5a660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 18.651132][ T341] ------------[ cut here ]------------ [ 18.656568][ T341] WARNING: CPU: 0 PID: 341 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 18.664853][ T341] Modules linked in: [ 18.668719][ T341] CPU: 0 PID: 341 Comm: syz-executor901 Not tainted 5.4.125-syzkaller-00016-gae94e015273b #0 [ 18.678828][ T341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.688859][ T341] RIP: 0010:umount_check+0x179/0x1c0 [ 18.694199][ T341] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 09 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 a2 af 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 [ 18.713770][ T341] RSP: 0018:ffff8881e6567738 EFLAGS: 00010282 [ 18.719803][ T341] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: 41d31e82360b0300 [ 18.727742][ T341] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 18.735679][ T341] RBP: ffff8881ee11f420 R08: ffffffff814e90d7 R09: ffffed103edc9608 [ 18.743624][ T341] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 18.751563][ T341] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecb5a660 [ 18.759504][ T341] FS: 00007ffa545ec700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 18.768397][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.774948][ T341] CR2: 0000562ff9c860e8 CR3: 0000000005e0e000 CR4: 00000000001406f0 [ 18.782896][ T341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.790848][ T341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.798789][ T341] Call Trace: [ 18.802056][ T341] d_walk+0x2d9/0x540 [ 18.806007][ T341] ? __d_free+0x20/0x20 [ 18.810131][ T341] shrink_dcache_for_umount+0x8a/0x1a0 [ 18.815559][ T341] generic_shutdown_super+0x63/0x2a0 [ 18.820814][ T341] kill_block_super+0x79/0xd0 [ 18.825460][ T341] deactivate_locked_super+0xaf/0x100 [ 18.830797][ T341] deactivate_super+0x1b3/0x270 [ 18.835635][ T341] ? deactivate_locked_super+0x100/0x100 [ 18.841233][ T341] ? dput+0x4de/0x5d0 [ 18.845270][ T341] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 18.850351][ T341] ? find_next_bit+0xc6/0x110 [ 18.854995][ T341] cleanup_mnt+0x432/0x4e0 [ 18.859380][ T341] task_work_run+0x186/0x1b0 [ 18.863942][ T341] do_exit+0xcb9/0x2bf0 [ 18.868067][ T341] ? uprobe_mmap+0x1b4/0x13b0 [ 18.872714][ T341] ? mm_update_next_owner+0x5c0/0x5c0 [ 18.878051][ T341] ? down_write+0xd8/0x150 [ 18.882436][ T341] ? up_read+0x10/0x10 [ 18.886473][ T341] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 18.891551][ T341] ? _raw_spin_lock_irqsave+0x210/0x210 [ 18.897073][ T341] do_group_exit+0x15c/0x2c0 [ 18.901653][ T341] get_signal+0x164f/0x1fc0 [ 18.906128][ T341] ? do_mmap+0x9ab/0x1050 [ 18.910426][ T341] ? ptrace_notify+0x340/0x340 [ 18.915258][ T341] do_signal+0x8d/0x610 [ 18.919382][ T341] ? account_locked_vm+0x1b0/0x1b0 [ 18.924459][ T341] ? signal_fault+0x1e0/0x1e0 [ 18.929196][ T341] ? __x64_sys_futex+0x1d/0xf0 [ 18.933928][ T341] prepare_exit_to_usermode+0x207/0x310 [ 18.939443][ T341] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 18.945304][ T341] RIP: 0033:0x44a1a9 [ 18.949182][ T341] Code: Bad RIP value. [ 18.953244][ T341] RSP: 002b:00007ffa545ec2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 18.953252][ T341] RAX: fffffffffffffe00 RBX: 00000000004cb410 RCX: 000000000044a1a9 [ 18.953256][ T341] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cb418 [ 18.953267][ T341] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 18.985481][ T341] R10: 0000000000000000 R11: 0000000000000246 R12: 65732f636f72702f [ 18.993431][ T341] R13: 6e656d6572636e69 R14: e5d26e84aa4cf3c6 R15: 00000000004cb418 [ 19.001508][ T341] ---[ end trace b2a47ec1d3467a1c ]--- [ *[0[ 19.008846][ T341] BUG: Dentry ffff8881ecb5a660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] m] A start job i[ 19.019309][ T341] ------------[ cut here ]------------ [ 19.025994][ T341] WARNING: CPU: 1 PID: 341 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 19.034282][ T341] Modules linked in: [ 19.038150][ T341] CPU: 1 PID: 341 Comm: syz-executor901 Tainted: G W 5.4.125-syzkaller-00016-gae94e015273b #0 [ 19.049651][ T341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.059714][ T341] RIP: 0010:umount_check+0x179/0x1c0 [ 19.064968][ T341] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 09 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 a2 af 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 [ 19.084543][ T341] RSP: 0018:ffff8881e6567738 EFLAGS: 00010282 [ 19.090578][ T341] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: 41d31e82360b0300 [ 19.098519][ T341] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 19.106464][ T341] RBP: ffff8881ee11f420 R08: ffffffff814e90d7 R09: ffffed103ede9608 [ 19.114495][ T341] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 19.122439][ T341] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecb5a660 [ 19.130395][ T341] FS: 00007ffa545ec700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 19.139289][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.145840][ T341] CR2: 00007faa9c243740 CR3: 00000001ee1ce000 CR4: 00000000001406e0 [ 19.153784][ T341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.161742][ T341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.169683][ T341] Call Trace: [ 19.172951][ T341] d_walk+0x2d9/0x540 [ 19.176903][ T341] ? __d_free+0x20/0x20 [ 19.181027][ T341] shrink_dcache_for_umount+0x8a/0x1a0 [ 19.186455][ T341] generic_shutdown_super+0x63/0x2a0 [ 19.191711][ T341] kill_block_super+0x79/0xd0 [ 19.196355][ T341] deactivate_locked_super+0xaf/0x100 [ 19.201694][ T341] deactivate_super+0x1b3/0x270 [ 19.206516][ T341] ? deactivate_locked_super+0x100/0x100 [ 19.212124][ T341] ? dput+0x4de/0x5d0 [ 19.216091][ T341] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.221171][ T341] ? find_next_bit+0xc6/0x110 [ 19.225818][ T341] cleanup_mnt+0x432/0x4e0 [ 19.230203][ T341] task_work_run+0x186/0x1b0 [ 19.234767][ T341] do_exit+0xcb9/0x2bf0 [ 19.238894][ T341] ? uprobe_mmap+0x1b4/0x13b0 [ 19.243564][ T341] ? mm_update_next_owner+0x5c0/0x5c0 [ 19.248903][ T341] ? down_write+0xd8/0x150 [ 19.253287][ T341] ? up_read+0x10/0x10 [ 19.257324][ T341] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.262404][ T341] ? _raw_spin_lock_irqsave+0x210/0x210 [ 19.267917][ T341] do_group_exit+0x15c/0x2c0 [ 19.272477][ T341] get_signal+0x164f/0x1fc0 [ 19.276950][ T341] ? do_mmap+0x9ab/0x1050 [ 19.281252][ T341] ? ptrace_notify+0x340/0x340 [ 19.285999][ T341] do_signal+0x8d/0x610 [ 19.290127][ T341] ? account_locked_vm+0x1b0/0x1b0 [ 19.295219][ T341] ? signal_fault+0x1e0/0x1e0 [ 19.299867][ T341] ? __x64_sys_futex+0x1d/0xf0 [ 19.304603][ T341] prepare_exit_to_usermode+0x207/0x310 [ 19.310118][ T341] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.316069][ T341] RIP: 0033:0x44a1a9 [ 19.319933][ T341] Code: Bad RIP value. [ 19.323967][ T341] RSP: 002b:00007ffa545ec2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 19.332360][ T341] RAX: fffffffffffffe00 RBX: 00000000004cb410 RCX: 000000000044a1a9 [ 19.340303][ T341] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cb418 [ 19.348692][ T341] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 19.356638][ T341] R10: 0000000000000000 R11: 0000000000000246 R12: 65732f636f72702f [ 19.364582][ T341] R13: 6e656d6572636e69 R14: e5d26e84aa4cf3c6 R15: 00000000004cb418 [ 19.372534][ T341] ---[ end trace b2a47ec1d3467a1d ]--- s running for dev-ttyS0.device ([ 19.380710][ T341] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... 12s / 1min 30s)