Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. executing program executing program [ *** ] 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 (17s / 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 (19s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (21s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (21s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (22s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (22s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (23s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (26s / 1min 30s)[ 33.971818][ T22] audit: type=1400 audit(1616861720.257:8): avc: denied { execmem } for pid=328 comm="syz-executor667" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program [ 34.176196][ T346] incfs: Can't find or create .index dir in ./file0 [ 34.186733][ T328] BUG: Dentry ffff8881df59a770{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 34.196558][ T328] ------------[ cut here ]------------ [ 34.202222][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 34.210523][ T328] Modules linked in: [ 34.214398][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Not tainted 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 34.224511][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.234554][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 34.239823][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 34.259660][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 34.265702][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 34.273647][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 34.281592][ T328] RBP: ffff8881f51d0420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 34.289535][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 34.297498][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881df59a770 [ 34.305452][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 34.314350][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.321043][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 34.329292][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.337241][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.345183][ T328] Call Trace: [ 34.348453][ T328] d_walk+0x2d9/0x540 [ 34.352406][ T328] ? __d_free+0x20/0x20 [ 34.356533][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 34.361957][ T328] generic_shutdown_super+0x63/0x2a0 [ 34.367233][ T328] kill_block_super+0x79/0xd0 [ 34.371875][ T328] deactivate_locked_super+0xaf/0x100 [ 34.377214][ T328] deactivate_super+0x1b3/0x270 [ 34.382028][ T328] ? deactivate_locked_super+0x100/0x100 [ 34.387644][ T328] ? dput+0x4de/0x5d0 [ 34.391599][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 34.397119][ T328] ? find_next_bit+0xc6/0x110 [ 34.401778][ T328] cleanup_mnt+0x432/0x4e0 [ 34.406163][ T328] task_work_run+0x186/0x1b0 [ 34.410733][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 34.416263][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.422127][ T328] RIP: 0033:0x44c2e7 [ 34.425989][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 34.445645][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 34.454022][ T328] RAX: 0000000000000000 RBX: 0000000000008444 RCX: 000000000044c2e7 [ 34.461973][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 34.469919][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 34.477859][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 34.485799][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 34.493751][ T328] ---[ end trace 3ee5b35800a13360 ]--- [*[0;1;3[ 34.500658][ T328] BUG: Dentry ffff8881df59a770{i=0,n=.index} still in use (1) [unmount of msdos loop0] 1m** [ 34.510968][ T328] ------------[ cut here ]------------ [ 34.517767][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 34.526160][ T328] Modules linked in: [ 34.530065][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 34.541599][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ] A start [ 34.551749][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 34.558398][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 34.577985][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 34.584028][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 34.591979][ T328] RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 [ 34.600157][ T328] RBP: ffff8881f51d0420 R08: ffffffff814e8847 R09: ffffed103edc5e08 job is running f[ 34.608117][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 34.617472][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881df59a770 [ 34.625427][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 or dev-ttyS0.dev[ 34.634510][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.642459][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 34.650413][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.658377][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.666340][ T328] Call Trace: [ 34.669618][ T328] d_walk+0x2d9/0x540 ice (27s / 1min [ 34.673585][ T328] ? __d_free+0x20/0x20 [ 34.679117][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 34.684568][ T328] generic_shutdown_super+0x63/0x2a0 30s)[ 34.689846][ T328] kill_block_super+0x79/0xd0 [ 34.694839][ T328] deactivate_locked_super+0xaf/0x100 [ 34.700252][ T328] deactivate_super+0x1b3/0x270 [ 34.705094][ T328] ? deactivate_locked_super+0x100/0x100 [ 34.710709][ T328] ? dput+0x4de/0x5d0 [ 34.714664][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 34.720178][ T328] ? find_next_bit+0xc6/0x110 [ 34.724826][ T328] cleanup_mnt+0x432/0x4e0 [ 34.729320][ T328] task_work_run+0x186/0x1b0 [ 34.733886][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 34.739398][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.745266][ T328] RIP: 0033:0x44c2e7 [ 34.749139][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 34.768710][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 34.777084][ T328] RAX: 0000000000000000 RBX: 0000000000008444 RCX: 000000000044c2e7 [ 34.785021][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 34.792959][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 34.800900][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 34.808837][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 34.816791][ T328] ---[ end trace 3ee5b35800a13361 ]--- [ 34.823479][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 34.905426][ T351] incfs: Can't find or create .index dir in ./file0 [ 34.913545][ T328] BUG: Dentry ffff8881e8c01660{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 34.923373][ T328] ------------[ cut here ]------------ [ 34.928843][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 34.937155][ T328] Modules linked in: [ 34.941025][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 34.952524][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.962569][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 34.967821][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 34.987390][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 34.993423][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 35.001370][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 35.009312][ T328] RBP: ffff8881f39ab420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 35.017253][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 35.025198][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8c01660 [ 35.033151][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.042413][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.048994][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 35.056939][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.064900][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.072841][ T328] Call Trace: [ 35.076107][ T328] d_walk+0x2d9/0x540 [ 35.080060][ T328] ? __d_free+0x20/0x20 [ 35.084186][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 35.089612][ T328] generic_shutdown_super+0x63/0x2a0 [ 35.094875][ T328] kill_block_super+0x79/0xd0 [ 35.099526][ T328] deactivate_locked_super+0xaf/0x100 [ 35.104866][ T328] deactivate_super+0x1b3/0x270 [ 35.109687][ T328] ? deactivate_locked_super+0x100/0x100 [ 35.115298][ T328] ? dput+0x4de/0x5d0 [ 35.119255][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 35.124769][ T328] ? find_next_bit+0xc6/0x110 [ 35.129472][ T328] cleanup_mnt+0x432/0x4e0 [ 35.133859][ T328] task_work_run+0x186/0x1b0 [ 35.138419][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 35.144017][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 35.149886][ T328] RIP: 0033:0x44c2e7 [ 35.153760][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 35.173351][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 35.181732][ T328] RAX: 0000000000000000 RBX: 0000000000008744 RCX: 000000000044c2e7 [ 35.189673][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 35.197614][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 35.205554][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 35.213491][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 35.221440][ T328] ---[ end trace 3ee5b35800a13362 ]--- [ 35.232841][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ *** ] A start job is running for dev-ttyS0.device (28s / 1min 30s)[ 35.295538][ T357] incfs: Can't find or create .index dir in ./file0 [ 35.303650][ T328] BUG: Dentry ffff8881df558330{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 35.313555][ T328] ------------[ cut here ]------------ [ 35.319001][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 35.327286][ T328] Modules linked in: [ 35.331150][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 35.342652][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.352696][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 35.357958][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 35.377544][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 35.383578][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 35.391532][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 35.399470][ T328] RBP: ffff8881f3909420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 35.407408][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 35.415346][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881df558330 [ 35.423285][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.432178][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.438743][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 35.446687][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.454645][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.462586][ T328] Call Trace: [ 35.465849][ T328] d_walk+0x2d9/0x540 [ 35.469802][ T328] ? __d_free+0x20/0x20 [ 35.473923][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 35.479360][ T328] generic_shutdown_super+0x63/0x2a0 [ 35.484611][ T328] kill_block_super+0x79/0xd0 [ 35.489268][ T328] deactivate_locked_super+0xaf/0x100 [ 35.494604][ T328] deactivate_super+0x1b3/0x270 [ 35.499438][ T328] ? deactivate_locked_super+0x100/0x100 [ 35.505036][ T328] ? dput+0x4de/0x5d0 [ 35.508985][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 35.514502][ T328] ? find_next_bit+0xc6/0x110 [ 35.519143][ T328] cleanup_mnt+0x432/0x4e0 [ 35.523527][ T328] task_work_run+0x186/0x1b0 [ 35.528084][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 35.533598][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 35.539544][ T328] RIP: 0033:0x44c2e7 [ 35.543421][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 35.563625][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 35.572183][ T328] RAX: 0000000000000000 RBX: 00000000000088cf RCX: 000000000044c2e7 [ 35.580139][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 35.588380][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 35.596509][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 35.604452][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 35.612399][ T328] ---[ end trace 3ee5b35800a13363 ]--- [ 35.619998][ T328] BUG: Dentry ffff8881df558330{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 35.629815][ T328] ------------[ cut here ]------------ [ 35.635252][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 35.643537][ T328] Modules linked in: [ 35.647403][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 35.658987][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.669018][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 35.674278][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 35.693876][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 35.699933][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 35.707884][ T328] RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 [ 35.715824][ T328] RBP: ffff8881f3909420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 35.723859][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 35.731798][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881df558330 [ 35.739765][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.748673][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.755220][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 35.763262][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.771201][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.779574][ T328] Call Trace: [ 35.782845][ T328] d_walk+0x2d9/0x540 [ 35.786803][ T328] ? __d_free+0x20/0x20 [ 35.790931][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 35.796364][ T328] generic_shutdown_super+0x63/0x2a0 [ 35.801630][ T328] kill_block_super+0x79/0xd0 [ 35.806362][ T328] deactivate_locked_super+0xaf/0x100 [ 35.811698][ T328] deactivate_super+0x1b3/0x270 [ 35.816528][ T328] ? deactivate_locked_super+0x100/0x100 [ 35.822129][ T328] ? dput+0x4de/0x5d0 [ 35.826080][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 35.831602][ T328] ? find_next_bit+0xc6/0x110 [ 35.836277][ T328] cleanup_mnt+0x432/0x4e0 [ 35.840665][ T328] task_work_run+0x186/0x1b0 [ 35.845229][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 35.850744][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 35.856602][ T328] RIP: 0033:0x44c2e7 [ 35.860478][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 35.880068][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 35.888464][ T328] RAX: 0000000000000000 RBX: 00000000000088cf RCX: 000000000044c2e7 [ 35.896405][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 35.904346][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 35.912373][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 35.920312][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 35.928257][ T328] ---[ end trace 3ee5b35800a13364 ]--- [ 35.934774][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ **[ 36.028569][ T362] incfs: Can't find or create .index dir in ./file0 * ] A start [ 36.036886][ T328] BUG: Dentry ffff8881df562ee0{i=0,n=.index} still in use (1) [unmount of msdos loop0] job is running f[ 36.046791][ T328] ------------[ cut here ]------------ [ 36.053460][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 36.061763][ T328] Modules linked in: [ 36.065647][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 36.077149][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.087293][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 36.092547][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 36.112125][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 36.118181][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 36.126126][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 36.134070][ T328] RBP: ffff8881f390c420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 36.142017][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 36.149960][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881df562ee0 [ 36.157919][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 36.166831][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.173396][ T328] CR2: 000000000048b800 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 36.181340][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.189283][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.197221][ T328] Call Trace: [ 36.200484][ T328] d_walk+0x2d9/0x540 [ 36.204436][ T328] ? __d_free+0x20/0x20 [ 36.208562][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 36.214087][ T328] generic_shutdown_super+0x63/0x2a0 [ 36.219374][ T328] kill_block_super+0x79/0xd0 [ 36.224023][ T328] deactivate_locked_super+0xaf/0x100 [ 36.229375][ T328] deactivate_super+0x1b3/0x270 [ 36.234202][ T328] ? deactivate_locked_super+0x100/0x100 [ 36.239806][ T328] ? dput+0x4de/0x5d0 [ 36.243767][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 36.249280][ T328] ? find_next_bit+0xc6/0x110 [ 36.253924][ T328] cleanup_mnt+0x432/0x4e0 [ 36.258330][ T328] task_work_run+0x186/0x1b0 [ 36.262905][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 36.268426][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.274288][ T328] RIP: 0033:0x44c2e7 [ 36.278172][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 36.297757][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 36.306148][ T328] RAX: 0000000000000000 RBX: 0000000000008ba4 RCX: 000000000044c2e7 [ 36.314091][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 36.322041][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 36.329984][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 36.337926][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 36.345870][ T328] ---[ end trace 3ee5b35800a13365 ]--- or dev-ttyS0.dev[ 36.352360][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program ice (28s / 1min 30s)[ 36.466341][ T367] incfs: Can't find or create .index dir in ./file0 [ 36.474809][ T328] BUG: Dentry ffff8881df5f4770{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 36.484683][ T328] ------------[ cut here ]------------ [ 36.490119][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 36.498402][ T328] Modules linked in: [ 36.502282][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 36.513796][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.523837][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 36.529091][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 36.548671][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 36.554707][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 36.563085][ T328] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 36.571030][ T328] RBP: ffff8881f5f03420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 36.578977][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 36.586930][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881df5f4770 [ 36.594872][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 36.603781][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.610334][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 36.618361][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.626316][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.634275][ T328] Call Trace: [ 36.637554][ T328] d_walk+0x2d9/0x540 [ 36.641517][ T328] ? __d_free+0x20/0x20 [ 36.645638][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 36.651064][ T328] generic_shutdown_super+0x63/0x2a0 [ 36.656337][ T328] kill_block_super+0x79/0xd0 [ 36.660979][ T328] deactivate_locked_super+0xaf/0x100 [ 36.666402][ T328] deactivate_super+0x1b3/0x270 [ 36.671235][ T328] ? deactivate_locked_super+0x100/0x100 [ 36.676857][ T328] ? dput+0x4de/0x5d0 [ 36.680817][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 36.686333][ T328] ? find_next_bit+0xc6/0x110 [ 36.690979][ T328] cleanup_mnt+0x432/0x4e0 [ 36.695414][ T328] task_work_run+0x186/0x1b0 [ 36.699974][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 36.705486][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.711344][ T328] RIP: 0033:0x44c2e7 [ 36.715249][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 36.734820][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 36.743196][ T328] RAX: 0000000000000000 RBX: 0000000000008d5c RCX: 000000000044c2e7 [ 36.751135][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 36.759172][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 executing program [ 36.767108][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 36.775046][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 36.783074][ T328] ---[ end trace 3ee5b35800a13366 ]--- [ 36.789131][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ **[0;31[ 36.849884][ T372] incfs: Can't find or create .index dir in ./file0 m*] A start [ 36.859007][ T328] BUG: Dentry ffff8881e8c2a220{i=0,n=.index} still in use (1) [unmount of msdos loop0] job is running f[ 36.868955][ T328] ------------[ cut here ]------------ [ 36.875627][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 or dev-ttyS0.dev[ 36.883925][ T328] Modules linked in: [ 36.889192][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 36.900706][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.910754][ T328] RIP: 0010:umount_check+0x179/0x1c0 ice (29s / 1min [ 36.916040][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 36.937009][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 36.943054][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 36.951007][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 36.958957][ T328] RBP: ffff8881f39ad420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 36.966919][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 36.974874][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8c2a220 [ 36.982840][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 36.991748][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.998323][ T328] CR2: 00000000004d2680 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 37.006303][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.014262][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.022216][ T328] Call Trace: 30s)[ 37.025496][ T328] d_walk+0x2d9/0x540 [ 37.029890][ T328] ? __d_free+0x20/0x20 [ 37.034027][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 37.039584][ T328] generic_shutdown_super+0x63/0x2a0 [ 37.044854][ T328] kill_block_super+0x79/0xd0 [ 37.049505][ T328] deactivate_locked_super+0xaf/0x100 [ 37.054846][ T328] deactivate_super+0x1b3/0x270 [ 37.059668][ T328] ? deactivate_locked_super+0x100/0x100 [ 37.065271][ T328] ? dput+0x4de/0x5d0 [ 37.069223][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 37.074734][ T328] ? find_next_bit+0xc6/0x110 [ 37.079385][ T328] cleanup_mnt+0x432/0x4e0 [ 37.083779][ T328] task_work_run+0x186/0x1b0 [ 37.088346][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 37.093870][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.099728][ T328] RIP: 0033:0x44c2e7 [ 37.103592][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 37.123162][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 37.131624][ T328] RAX: 0000000000000000 RBX: 0000000000008edc RCX: 000000000044c2e7 [ 37.139570][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 37.147508][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 37.155445][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 37.163820][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 37.171761][ T328] ---[ end trace 3ee5b35800a13367 ]--- [ 37.178427][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 37.269475][ T377] incfs: Can't find or create .index dir in ./file0 [ 37.277964][ T328] BUG: Dentry ffff8881e8c8a440{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 37.287801][ T328] ------------[ cut here ]------------ [ 37.293238][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 37.301555][ T328] Modules linked in: [ 37.305422][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 37.316920][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.326963][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 37.332214][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 37.351786][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 37.357826][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 37.365948][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 37.373901][ T328] RBP: ffff8881f39a9420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 37.381844][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 37.389794][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8c8a440 [ 37.397749][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 37.406650][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.413335][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 37.421298][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.429243][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.437213][ T328] Call Trace: [ 37.440517][ T328] d_walk+0x2d9/0x540 [ 37.444487][ T328] ? __d_free+0x20/0x20 [ 37.448619][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 37.454068][ T328] generic_shutdown_super+0x63/0x2a0 [ 37.459358][ T328] kill_block_super+0x79/0xd0 [ 37.464012][ T328] deactivate_locked_super+0xaf/0x100 [ 37.469387][ T328] deactivate_super+0x1b3/0x270 [ 37.474211][ T328] ? deactivate_locked_super+0x100/0x100 [ 37.479919][ T328] ? dput+0x4de/0x5d0 [ 37.483915][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 37.489691][ T328] ? find_next_bit+0xc6/0x110 [ 37.494353][ T328] cleanup_mnt+0x432/0x4e0 [ 37.498765][ T328] task_work_run+0x186/0x1b0 [ 37.503468][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 37.509005][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.514883][ T328] RIP: 0033:0x44c2e7 [ 37.518749][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 37.538714][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 37.547107][ T328] RAX: 0000000000000000 RBX: 0000000000009080 RCX: 000000000044c2e7 [ 37.555057][ T328] RDX: 00007ffdb694a9c9 RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 37.563035][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 37.570992][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 37.579037][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 37.587123][ T328] ---[ end trace 3ee5b35800a13368 ]--- [ 37.593909][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ **] A start job is running for dev-ttyS0.device (30s / 1min 30s)[ 37.705453][ T382] incfs: Can't find or create .index dir in ./file0 [ 37.713557][ T328] BUG: Dentry ffff8881e8d5cee0{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 37.724061][ T328] ------------[ cut here ]------------ [ 37.729514][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 37.737801][ T328] Modules linked in: [ 37.741690][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 37.753790][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.763834][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 37.769090][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 37.788665][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 37.794786][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 37.802751][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 37.810702][ T328] RBP: ffff8881f2246420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 37.818639][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 37.826588][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8d5cee0 [ 37.834546][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 37.843444][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.849999][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 37.857939][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.865882][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.873864][ T328] Call Trace: [ 37.877151][ T328] d_walk+0x2d9/0x540 [ 37.881113][ T328] ? __d_free+0x20/0x20 [ 37.885237][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 37.890663][ T328] generic_shutdown_super+0x63/0x2a0 [ 37.895917][ T328] kill_block_super+0x79/0xd0 [ 37.900562][ T328] deactivate_locked_super+0xaf/0x100 [ 37.905911][ T328] deactivate_super+0x1b3/0x270 [ 37.910763][ T328] ? deactivate_locked_super+0x100/0x100 [ 37.916721][ T328] ? dput+0x4de/0x5d0 [ 37.920680][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 37.926196][ T328] ? find_next_bit+0xc6/0x110 [ 37.931002][ T328] cleanup_mnt+0x432/0x4e0 [ 37.935482][ T328] ? switch_fpu_return+0x10/0x10 [ 37.940393][ T328] task_work_run+0x186/0x1b0 [ 37.944954][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 37.950471][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.956332][ T328] RIP: 0033:0x44c2e7 [ 37.960207][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 37.979779][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 37.988155][ T328] RAX: 0000000000000000 RBX: 0000000000009235 RCX: 000000000044c2e7 [ 37.996107][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 38.004061][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 38.012122][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 38.020068][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 38.028012][ T328] ---[ end trace 3ee5b35800a13369 ]--- [ 38.033779][ T328] BUG: Dentry ffff8881e8d5cee0{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 38.043593][ T328] ------------[ cut here ]------------ [ 38.049030][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 38.057318][ T328] Modules linked in: [ 38.061189][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 38.073145][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.083344][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 38.088599][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 38.108439][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 38.114489][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 38.122429][ T328] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 38.130391][ T328] RBP: ffff8881f2246420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 38.138332][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 38.146283][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8d5cee0 [ 38.154226][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 38.163121][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.169671][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 38.177615][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.185555][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.193493][ T328] Call Trace: [ 38.196765][ T328] d_walk+0x2d9/0x540 [ 38.200727][ T328] ? __d_free+0x20/0x20 [ 38.204847][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 38.210277][ T328] generic_shutdown_super+0x63/0x2a0 [ 38.215545][ T328] kill_block_super+0x79/0xd0 [ 38.220199][ T328] deactivate_locked_super+0xaf/0x100 [ 38.225543][ T328] deactivate_super+0x1b3/0x270 [ 38.230366][ T328] ? deactivate_locked_super+0x100/0x100 [ 38.235967][ T328] ? dput+0x4de/0x5d0 [ 38.239927][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 38.245440][ T328] ? find_next_bit+0xc6/0x110 [ 38.250088][ T328] cleanup_mnt+0x432/0x4e0 [ 38.254490][ T328] ? switch_fpu_return+0x10/0x10 [ 38.259396][ T328] task_work_run+0x186/0x1b0 [ 38.263955][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 38.269468][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.275331][ T328] RIP: 0033:0x44c2e7 [ 38.279195][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 38.299286][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 38.307661][ T328] RAX: 0000000000000000 RBX: 0000000000009235 RCX: 000000000044c2e7 [ 38.315608][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 38.323546][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 38.331485][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 38.339424][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 38.347378][ T328] ---[ end trace 3ee5b35800a1336a ]--- [ *] A start job is running for dev-ttyS0.dev[ 38.358463][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program ice (31s / 1min 30s)[ 38.458881][ T387] incfs: Can't find or create .index dir in ./file0 [ 38.468548][ T328] BUG: Dentry ffff8881efb22220{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 38.478421][ T328] ------------[ cut here ]------------ [ 38.484329][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 38.492665][ T328] Modules linked in: [ 38.497579][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 38.509080][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.519136][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 38.524387][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 38.544323][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 38.550355][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 38.558294][ T328] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 38.566233][ T328] RBP: ffff8881f39a8420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 38.574172][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 38.582111][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb22220 [ 38.590050][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 38.598944][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.605494][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 38.613434][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.621373][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.629310][ T328] Call Trace: [ 38.632584][ T328] d_walk+0x2d9/0x540 [ 38.636533][ T328] ? __d_free+0x20/0x20 [ 38.640654][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 38.646080][ T328] generic_shutdown_super+0x63/0x2a0 [ 38.651332][ T328] kill_block_super+0x79/0xd0 [ 38.655975][ T328] deactivate_locked_super+0xaf/0x100 [ 38.661312][ T328] deactivate_super+0x1b3/0x270 [ 38.666132][ T328] ? deactivate_locked_super+0x100/0x100 [ 38.671732][ T328] ? dput+0x4de/0x5d0 [ 38.675685][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 38.681211][ T328] ? find_next_bit+0xc6/0x110 [ 38.685851][ T328] cleanup_mnt+0x432/0x4e0 [ 38.690257][ T328] task_work_run+0x186/0x1b0 [ 38.694813][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 38.700333][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.706203][ T328] RIP: 0033:0x44c2e7 [ 38.710072][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 38.729751][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 38.738134][ T328] RAX: 0000000000000000 RBX: 0000000000009525 RCX: 000000000044c2e7 [ 38.746104][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 38.754048][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 38.762003][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 38.769942][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 38.777884][ T328] ---[ end trace 3ee5b35800a1336b ]--- [ 38.789161][ T328] BUG: Dentry ffff8881efb22220{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 38.799005][ T328] ------------[ cut here ]------------ [ 38.804456][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 38.812753][ T328] Modules linked in: [ 38.816617][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 38.828201][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.838241][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 38.843498][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 38.863094][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 38.869134][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 38.877095][ T328] RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 [ 38.885152][ T328] RBP: ffff8881f39a8420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 38.885157][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 38.885161][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb22220 [ 38.885167][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 38.885172][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.885176][ T328] CR2: 00007f72458e1018 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 38.885186][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.940382][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.948346][ T328] Call Trace: [ 38.951624][ T328] d_walk+0x2d9/0x540 [ 38.955590][ T328] ? __d_free+0x20/0x20 [ 38.960061][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 38.965512][ T328] generic_shutdown_super+0x63/0x2a0 [ 38.970885][ T328] kill_block_super+0x79/0xd0 [ 38.975560][ T328] deactivate_locked_super+0xaf/0x100 [ *[0[ 38.980911][ T328] deactivate_super+0x1b3/0x270 [ 38.987122][ T328] ? deactivate_locked_super+0x100/0x100 [ 38.992768][ T328] ? dput+0x4de/0x5d0 [ 38.996741][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 ;1;31m*] [ 39.002268][ T328] ? find_next_bit+0xc6/0x110 [ 39.008050][ T328] cleanup_mnt+0x432/0x4e0 [ 39.012477][ T328] task_work_run+0x186/0x1b0 [ 39.017053][ T328] prepare_exit_to_usermode+0x2b0/0x310 A start job is r[ 39.022579][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.029830][ T328] RIP: 0033:0x44c2e7 unning for dev-t[ 39.033706][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 39.054774][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 39.063288][ T328] RAX: 0000000000000000 RBX: 0000000000009525 RCX: 000000000044c2e7 [ 39.071251][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 39.079223][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 39.087202][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 39.095159][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 39.103132][ T328] ---[ end trace 3ee5b35800a1336c ]--- tyS0.device (31s[ 39.109970][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program / 1min 30s)[ 39.230750][ T392] incfs: Can't find or create .index dir in ./file0 [ 39.238611][ T328] BUG: Dentry ffff8881e8d10bb0{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 39.248502][ T328] ------------[ cut here ]------------ [ 39.253951][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 39.263539][ T328] Modules linked in: [ 39.267405][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 39.278901][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.288942][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 39.294199][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 39.313768][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 39.319800][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 39.327747][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 39.335703][ T328] RBP: ffff8881ecb24420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 39.343645][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 39.351601][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8d10bb0 [ 39.359572][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 39.368481][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.375034][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 39.382981][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.390927][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.398866][ T328] Call Trace: [ 39.402141][ T328] d_walk+0x2d9/0x540 [ 39.406101][ T328] ? __d_free+0x20/0x20 [ 39.410269][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 39.415699][ T328] generic_shutdown_super+0x63/0x2a0 [ 39.420962][ T328] kill_block_super+0x79/0xd0 [ 39.425633][ T328] deactivate_locked_super+0xaf/0x100 [ 39.430974][ T328] deactivate_super+0x1b3/0x270 [ 39.435804][ T328] ? deactivate_locked_super+0x100/0x100 [ 39.441489][ T328] ? dput+0x4de/0x5d0 [ 39.445442][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 39.450961][ T328] ? find_next_bit+0xc6/0x110 [ 39.455787][ T328] cleanup_mnt+0x432/0x4e0 [ 39.460191][ T328] task_work_run+0x186/0x1b0 [ 39.464759][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 39.470463][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.476341][ T328] RIP: 0033:0x44c2e7 [ 39.480216][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 39.500072][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 39.508451][ T328] RAX: 0000000000000000 RBX: 0000000000009828 RCX: 000000000044c2e7 [ 39.516405][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 39.524357][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 39.532315][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 39.540255][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 39.548199][ T328] ---[ end trace 3ee5b35800a1336d ]--- [ 39.559292][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ ***] A start job is running for dev-ttyS0.device (32s / 1min 30s)[ 39.639461][ T397] incfs: Can't find or create .index dir in ./file0 [ 39.647541][ T328] BUG: Dentry ffff8881e8dc9330{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 39.658001][ T328] ------------[ cut here ]------------ [ 39.663614][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 39.671929][ T328] Modules linked in: [ 39.675819][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 39.687530][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.697576][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 39.702838][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 39.722445][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 39.728493][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 39.736557][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 39.744599][ T328] RBP: ffff8881f14ec420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 39.752566][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 39.760519][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8dc9330 [ 39.768487][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 39.777394][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.783954][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 39.791923][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.799863][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.807835][ T328] Call Trace: [ 39.811104][ T328] d_walk+0x2d9/0x540 [ 39.815090][ T328] ? __d_free+0x20/0x20 [ 39.819233][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 39.824672][ T328] generic_shutdown_super+0x63/0x2a0 [ 39.829966][ T328] kill_block_super+0x79/0xd0 [ 39.834633][ T328] deactivate_locked_super+0xaf/0x100 [ 39.839992][ T328] deactivate_super+0x1b3/0x270 [ 39.844833][ T328] ? deactivate_locked_super+0x100/0x100 [ 39.850437][ T328] ? dput+0x4de/0x5d0 [ 39.854426][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 39.859946][ T328] ? find_next_bit+0xc6/0x110 [ 39.864635][ T328] cleanup_mnt+0x432/0x4e0 [ 39.869033][ T328] task_work_run+0x186/0x1b0 [ 39.873612][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 39.879143][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.885030][ T328] RIP: 0033:0x44c2e7 [ 39.888943][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 39.908652][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 39.917143][ T328] RAX: 0000000000000000 RBX: 00000000000099b4 RCX: 000000000044c2e7 [ 39.925268][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 39.933216][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 39.941159][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 39.949131][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 39.957082][ T328] ---[ end trace 3ee5b35800a1336e ]--- [ 39.963664][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ *[ 40.069786][ T403] incfs: Can't find or create .index dir in ./file0 [0;1;31m*[0[ 40.078215][ T328] BUG: Dentry ffff8881efb13aa0{i=0,n=.index} still in use (1) [unmount of msdos loop0] ;31m* ] A st[ 40.088412][ T328] ------------[ cut here ]------------ [ 40.095281][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 40.103584][ T328] Modules linked in: [ 40.107471][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 art job is runni[ 40.118996][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.130427][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 40.135695][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 ng for dev-ttyS0[ 40.155279][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 40.162706][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 40.170657][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 40.178608][ T328] RBP: ffff8881f1647420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 40.186560][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 40.194511][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb13aa0 [ 40.202467][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 40.211384][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .device (32s / 1[ 40.218903][ T328] CR2: 00007f5f9d1c4000 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 40.228240][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.236194][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.244229][ T328] Call Trace: [ 40.247505][ T328] d_walk+0x2d9/0x540 min 30s)[ 40.251468][ T328] ? __d_free+0x20/0x20 [ 40.256304][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 40.261738][ T328] generic_shutdown_super+0x63/0x2a0 [ 40.267018][ T328] kill_block_super+0x79/0xd0 [ 40.271666][ T328] deactivate_locked_super+0xaf/0x100 [ 40.277002][ T328] deactivate_super+0x1b3/0x270 [ 40.281830][ T328] ? deactivate_locked_super+0x100/0x100 [ 40.287599][ T328] ? dput+0x4de/0x5d0 [ 40.291552][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 40.297062][ T328] ? find_next_bit+0xc6/0x110 [ 40.301704][ T328] cleanup_mnt+0x432/0x4e0 [ 40.306090][ T328] task_work_run+0x186/0x1b0 [ 40.310648][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 40.316184][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.322043][ T328] RIP: 0033:0x44c2e7 [ 40.325937][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 40.345518][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 40.353913][ T328] RAX: 0000000000000000 RBX: 0000000000009b6c RCX: 000000000044c2e7 [ 40.361854][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 40.369808][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 40.377747][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 40.385689][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 40.393641][ T328] ---[ end trace 3ee5b35800a1336f ]--- [ 40.400382][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 40.508346][ T408] incfs: Can't find or create .index dir in ./file0 [ 40.516947][ T328] BUG: Dentry ffff8881e8c8e660{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 40.526874][ T328] ------------[ cut here ]------------ [ 40.532325][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 40.540612][ T328] Modules linked in: [ 40.544481][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 40.555997][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.566028][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 40.571279][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 40.590848][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 40.596887][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 40.604829][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 40.612774][ T328] RBP: ffff8881f1610420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 40.620717][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 40.628663][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8c8e660 [ 40.636640][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 40.636645][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.636649][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 40.636656][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.636659][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.636662][ T328] Call Trace: [ 40.636685][ T328] d_walk+0x2d9/0x540 [ 40.683277][ T328] ? __d_free+0x20/0x20 [ 40.687419][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 40.692857][ T328] generic_shutdown_super+0x63/0x2a0 [ 40.698452][ T328] kill_block_super+0x79/0xd0 [ 40.703123][ T328] deactivate_locked_super+0xaf/0x100 [ 40.708501][ T328] deactivate_super+0x1b3/0x270 [[ 40.713345][ T328] ? deactivate_locked_super+0x100/0x100 [ 40.719041][ T328] ? dput+0x4de/0x5d0 [ 40.723020][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 40.728545][ T328] ? find_next_bit+0xc6/0x110 *[0;1;3[ 40.733204][ T328] cleanup_mnt+0x432/0x4e0 [ 40.738998][ T328] task_work_run+0x186/0x1b0 1m** [ 40.743568][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 40.750491][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ] [ 40.756365][ T328] RIP: 0033:0x44c2e7 [ 40.760837][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 40.780427][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 40.788830][ T328] RAX: 0000000000000000 RBX: 0000000000009d24 RCX: 000000000044c2e7 [ 40.796776][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 40.804822][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 40.812773][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 40.820729][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 40.828686][ T328] ---[ end trace 3ee5b35800a13370 ]--- A start job is r[ 40.834584][ T328] BUG: Dentry ffff8881e8c8e660{i=0,n=.index} still in use (1) [unmount of msdos loop0] unning for dev-t[ 40.845785][ T328] ------------[ cut here ]------------ [ 40.852500][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 tyS0.device (33s[ 40.860795][ T328] Modules linked in: [ 40.866062][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 40.877582][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.887993][ T328] RIP: 0010:umount_check+0x179/0x1c0 / 1min 30s)[ 40.893262][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 40.913877][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 40.919922][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 40.927879][ T328] RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 [ 40.935825][ T328] RBP: ffff8881f1610420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 40.943779][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 40.951730][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8c8e660 [ 40.959680][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 40.968575][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.975126][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 40.983163][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.991103][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.999042][ T328] Call Trace: [ 41.002318][ T328] d_walk+0x2d9/0x540 [ 41.006335][ T328] ? __d_free+0x20/0x20 [ 41.010469][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 41.015902][ T328] generic_shutdown_super+0x63/0x2a0 [ 41.021171][ T328] kill_block_super+0x79/0xd0 [ 41.025832][ T328] deactivate_locked_super+0xaf/0x100 [ 41.031171][ T328] deactivate_super+0x1b3/0x270 [ 41.035999][ T328] ? deactivate_locked_super+0x100/0x100 [ 41.041603][ T328] ? dput+0x4de/0x5d0 [ 41.045556][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 41.051083][ T328] ? find_next_bit+0xc6/0x110 [ 41.055734][ T328] cleanup_mnt+0x432/0x4e0 [ 41.060121][ T328] task_work_run+0x186/0x1b0 [ 41.064698][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 41.070321][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.076201][ T328] RIP: 0033:0x44c2e7 [ 41.080083][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 41.099652][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 41.108029][ T328] RAX: 0000000000000000 RBX: 0000000000009d24 RCX: 000000000044c2e7 [ 41.115968][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 41.123920][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 41.131860][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 41.139797][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 41.147738][ T328] ---[ end trace 3ee5b35800a13371 ]--- executing program [ 41.158960][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 41.231441][ T414] incfs: Can't find or create .index dir in ./file0 [ 41.239448][ T328] BUG: Dentry ffff8881e8e16ee0{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 41.249294][ T328] ------------[ cut here ]------------ [ 41.254732][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 41.263092][ T328] Modules linked in: [ 41.267006][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 41.278513][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.288809][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 41.294061][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 41.313634][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 41.319685][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 41.327624][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 41.335563][ T328] RBP: ffff8881f1769420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 41.343532][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 41.351476][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8e16ee0 [ 41.359431][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 41.368449][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.375001][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 41.382953][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.382958][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.382961][ T328] Call Trace: [ 41.382978][ T328] d_walk+0x2d9/0x540 [ 41.406117][ T328] ? __d_free+0x20/0x20 [ 41.410272][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 41.415713][ T328] generic_shutdown_super+0x63/0x2a0 [ 41.421313][ T328] kill_block_super+0x79/0xd0 [ 41.425985][ T328] deactivate_locked_super+0xaf/0x100 [ 41.431359][ T328] deactivate_super+0x1b3/0x270 [[ 41.436188][ T328] ? deactivate_locked_super+0x100/0x100 [ 41.441871][ T328] ? dput+0x4de/0x5d0 [ 41.445848][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 41.451374][ T328] ? find_next_bit+0xc6/0x110 *[0;1;31[ 41.456032][ T328] cleanup_mnt+0x432/0x4e0 m** [ 41.461809][ T328] task_work_run+0x186/0x1b0 [ 41.467773][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 41.473303][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.479177][ T328] RIP: 0033:0x44c2e7 ] A start j[ 41.483053][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 41.504777][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 41.513176][ T328] RAX: 0000000000000000 RBX: 0000000000009ff6 RCX: 000000000044c2e7 [ 41.521130][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 executing program [ 41.529107][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 41.537069][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 41.545032][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 41.552990][ T328] ---[ end trace 3ee5b35800a13372 ]--- ob is running fo[ 41.559585][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... r dev-ttyS0.device (34s / 1min 30s)[ 41.617604][ T419] incfs: Can't find or create .index dir in ./file0 [ 41.627576][ T328] BUG: Dentry ffff8881e8e14550{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 41.637567][ T328] ------------[ cut here ]------------ [ 41.643015][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 41.651302][ T328] Modules linked in: [ 41.655169][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 41.666667][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.676782][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 41.682047][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 41.701632][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 41.707666][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 41.715604][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 41.723543][ T328] RBP: ffff8881f16dc420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 41.731480][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 41.739419][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8e14550 [ 41.747360][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 41.756252][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.762822][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 41.770761][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.778790][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.786745][ T328] Call Trace: [ 41.790006][ T328] d_walk+0x2d9/0x540 [ 41.793967][ T328] ? __d_free+0x20/0x20 [ 41.798095][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 41.803518][ T328] generic_shutdown_super+0x63/0x2a0 [ 41.808781][ T328] kill_block_super+0x79/0xd0 [ 41.813440][ T328] deactivate_locked_super+0xaf/0x100 [ 41.818884][ T328] deactivate_super+0x1b3/0x270 [ 41.823788][ T328] ? deactivate_locked_super+0x100/0x100 [ 41.829391][ T328] ? dput+0x4de/0x5d0 [ 41.833342][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 41.838939][ T328] ? find_next_bit+0xc6/0x110 [ 41.843597][ T328] cleanup_mnt+0x432/0x4e0 [ 41.848003][ T328] task_work_run+0x186/0x1b0 [ 41.852573][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 41.858138][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.864091][ T328] RIP: 0033:0x44c2e7 [ 41.868048][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 41.887709][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 41.896097][ T328] RAX: 0000000000000000 RBX: 000000000000a17a RCX: 000000000044c2e7 [ 41.904042][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 41.912158][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 41.920105][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 41.928047][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 41.935992][ T328] ---[ end trace 3ee5b35800a13373 ]--- [ 41.941742][ T328] BUG: Dentry ffff8881e8e14550{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 41.951928][ T328] ------------[ cut here ]------------ [ 41.957383][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 41.965703][ T328] Modules linked in: [ 41.969591][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 41.981094][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.991125][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 41.996380][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 42.016171][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 42.022207][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 42.030156][ T328] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 42.038103][ T328] RBP: ffff8881f16dc420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 42.046059][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 42.054019][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8e14550 [ 42.061982][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 42.070876][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.077471][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 42.085952][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.094069][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.102009][ T328] Call Trace: [ 42.105282][ T328] d_walk+0x2d9/0x540 [ 42.109239][ T328] ? __d_free+0x20/0x20 [ 42.113371][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 42.118797][ T328] generic_shutdown_super+0x63/0x2a0 [ 42.124047][ T328] kill_block_super+0x79/0xd0 [ 42.128709][ T328] deactivate_locked_super+0xaf/0x100 [ 42.134058][ T328] deactivate_super+0x1b3/0x270 [ 42.138877][ T328] ? deactivate_locked_super+0x100/0x100 [ 42.144471][ T328] ? dput+0x4de/0x5d0 [ 42.148419][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 42.153956][ T328] ? find_next_bit+0xc6/0x110 [ 42.158612][ T328] cleanup_mnt+0x432/0x4e0 [ 42.163008][ T328] task_work_run+0x186/0x1b0 [ 42.167571][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 42.173088][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.178951][ T328] RIP: 0033:0x44c2e7 [ 42.182814][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 42.202395][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 42.210874][ T328] RAX: 0000000000000000 RBX: 000000000000a17a RCX: 000000000044c2e7 [ 42.218827][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 42.226775][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 42.234799][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 42.242738][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 42.250677][ T328] ---[ end trace 3ee5b35800a13374 ]--- [*[ 42.257263][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [0;31m* ] A start job is running for dev-ttyS0.device (34s / 1min 30s)[ 42.311670][ T424] incfs: Can't find or create .index dir in ./file0 [ 42.319859][ T328] BUG: Dentry ffff8881e8d7f330{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 42.329650][ T328] ------------[ cut here ]------------ [ 42.335107][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 42.343395][ T328] Modules linked in: [ 42.347263][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 42.358788][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.368913][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 42.374205][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 42.393783][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 42.399827][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 42.407769][ T328] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 42.415713][ T328] RBP: ffff8881f16de420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 42.423659][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 42.431602][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8d7f330 [ 42.439544][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 42.448442][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.455266][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 42.463208][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.471164][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.479113][ T328] Call Trace: [ 42.482390][ T328] d_walk+0x2d9/0x540 [ 42.486341][ T328] ? __d_free+0x20/0x20 [ 42.490467][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 42.495917][ T328] generic_shutdown_super+0x63/0x2a0 [ 42.501171][ T328] kill_block_super+0x79/0xd0 [ 42.505819][ T328] deactivate_locked_super+0xaf/0x100 [ 42.511158][ T328] deactivate_super+0x1b3/0x270 [ 42.515990][ T328] ? deactivate_locked_super+0x100/0x100 [ 42.521602][ T328] ? dput+0x4de/0x5d0 [ 42.525558][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 42.531081][ T328] ? find_next_bit+0xc6/0x110 [ 42.535726][ T328] cleanup_mnt+0x432/0x4e0 [ 42.540111][ T328] task_work_run+0x186/0x1b0 [ 42.544672][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 42.550187][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.556062][ T328] RIP: 0033:0x44c2e7 [ 42.559940][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 42.579513][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 42.587892][ T328] RAX: 0000000000000000 RBX: 000000000000a42c RCX: 000000000044c2e7 [ 42.595835][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 42.603773][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 42.611714][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 42.619653][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 42.627597][ T328] ---[ end trace 3ee5b35800a13375 ]--- [ 42.634797][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [* ] A start [ 42.714426][ T429] incfs: Can't find or create .index dir in ./file0 job is running for dev-ttyS0.dev[ 42.722786][ T328] BUG: Dentry ffff8881e8e45000{i=0,n=.index} still in use (1) [unmount of msdos loop0] ice (35s / 1min [ 42.734293][ T328] ------------[ cut here ]------------ [ 42.740727][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 42.749273][ T328] Modules linked in: [ 42.753159][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 42.764665][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.774712][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 42.779994][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 42.799571][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 42.805627][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 42.813626][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 42.821606][ T328] RBP: ffff8881e6d99420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 42.829556][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 42.837503][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8e45000 [ 42.845466][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 42.854390][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.860982][ T328] CR2: 00000000004d2680 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 42.868955][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.876931][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.884930][ T328] Call Trace: [ 42.888204][ T328] d_walk+0x2d9/0x540 [ 42.892318][ T328] ? __d_free+0x20/0x20 [ 42.896484][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 42.901916][ T328] generic_shutdown_super+0x63/0x2a0 [ 42.907186][ T328] kill_block_super+0x79/0xd0 [ 42.911854][ T328] deactivate_locked_super+0xaf/0x100 [ 42.917219][ T328] deactivate_super+0x1b3/0x270 [ 42.922051][ T328] ? deactivate_locked_super+0x100/0x100 [ 42.927690][ T328] ? dput+0x4de/0x5d0 [ 42.931800][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 42.937333][ T328] ? find_next_bit+0xc6/0x110 [ 42.941996][ T328] cleanup_mnt+0x432/0x4e0 [ 42.946396][ T328] task_work_run+0x186/0x1b0 [ 42.950988][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 42.956526][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.962411][ T328] RIP: 0033:0x44c2e7 [ 42.966286][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 42.985874][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 42.994342][ T328] RAX: 0000000000000000 RBX: 000000000000a5bc RCX: 000000000044c2e7 [ 43.002312][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 43.010273][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 43.018226][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 43.026174][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 43.034126][ T328] ---[ end trace 3ee5b35800a13376 ]--- 30s)[ 43.040543][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 43.115341][ T434] incfs: Can't find or create .index dir in ./file0 [ 43.123459][ T328] BUG: Dentry ffff8881e8d23550{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 43.133525][ T328] ------------[ cut here ]------------ [ 43.138973][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 43.147263][ T328] Modules linked in: [ 43.151143][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 43.162646][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.172676][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 43.177928][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 43.197516][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 43.203562][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 43.211603][ T328] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 43.219544][ T328] RBP: ffff8881ef593420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 43.227483][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 43.235421][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8d23550 [ 43.243545][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 43.252439][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.258998][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 43.266945][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.274904][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.282931][ T328] Call Trace: [ 43.286194][ T328] d_walk+0x2d9/0x540 [ 43.290152][ T328] ? __d_free+0x20/0x20 [ 43.294294][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 43.300155][ T328] generic_shutdown_super+0x63/0x2a0 [ 43.305409][ T328] kill_block_super+0x79/0xd0 [ 43.310053][ T328] deactivate_locked_super+0xaf/0x100 [ 43.315394][ T328] deactivate_super+0x1b3/0x270 [ 43.320210][ T328] ? deactivate_locked_super+0x100/0x100 [ 43.325814][ T328] ? dput+0x4de/0x5d0 [ 43.329765][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 43.335278][ T328] ? find_next_bit+0xc6/0x110 [ 43.339920][ T328] cleanup_mnt+0x432/0x4e0 [ 43.344316][ T328] task_work_run+0x186/0x1b0 [ 43.348873][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 43.354398][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.360345][ T328] RIP: 0033:0x44c2e7 [ 43.364212][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.384390][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 43.392856][ T328] RAX: 0000000000000000 RBX: 000000000000a74b RCX: 000000000044c2e7 [ 43.400807][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 43.408754][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 43.416696][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 43.424646][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 43.432608][ T328] ---[ end trace 3ee5b35800a13377 ]--- [ 43.438369][ T328] BUG: Dentry ffff8881e8d23550{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 43.448179][ T328] ------------[ cut here ]------------ [ 43.453655][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 43.461970][ T328] Modules linked in: [ 43.465842][ T328] CPU: 0 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 43.477342][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.487471][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 43.492732][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 43.512304][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 43.518349][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 43.526376][ T328] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 43.534316][ T328] RBP: ffff8881ef593420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 43.542264][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 43.550215][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8d23550 [ 43.558164][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 43.567063][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.573629][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406f0 [ 43.581591][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.589538][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.597478][ T328] Call Trace: [ 43.600743][ T328] d_walk+0x2d9/0x540 [ 43.604695][ T328] ? __d_free+0x20/0x20 [ 43.608825][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 43.614251][ T328] generic_shutdown_super+0x63/0x2a0 [ 43.619503][ T328] kill_block_super+0x79/0xd0 [ 43.624146][ T328] deactivate_locked_super+0xaf/0x100 [ 43.629495][ T328] deactivate_super+0x1b3/0x270 [ 43.634330][ T328] ? deactivate_locked_super+0x100/0x100 [ 43.639931][ T328] ? dput+0x4de/0x5d0 [ 43.643882][ T328] ? _raw_spin_lock_irqsave+0x210/0x210 [ 43.649395][ T328] ? find_next_bit+0xc6/0x110 [ 43.654045][ T328] cleanup_mnt+0x432/0x4e0 [ 43.658442][ T328] task_work_run+0x186/0x1b0 [ 43.663012][ T328] prepare_exit_to_usermode+0x2b0/0x310 [ 43.668523][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.674386][ T328] RIP: 0033:0x44c2e7 [ 43.678247][ T328] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.697816][ T328] RSP: 002b:00007ffdb694a908 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 43.706196][ T328] RAX: 0000000000000000 RBX: 000000000000a74b RCX: 000000000044c2e7 [ 43.714319][ T328] RDX: 00007ffdb694a9ca RSI: 0000000000000002 RDI: 00007ffdb694a9c0 [ 43.722260][ T328] RBP: 00007ffdb694a9c0 R08: 00000000ffffffff R09: 00007ffdb694a7a0 [ 43.730199][ T328] R10: 0000000001fa8733 R11: 0000000000000202 R12: 00007ffdb694ba80 [ 43.738572][ T328] R13: 0000000001fa86f0 R14: 00007ffdb694a930 R15: 00007ffdb694baa0 [ 43.746524][ T328] ---[ end trace 3ee5b35800a13378 ]--- [*[ 43.753718][ T328] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program executing program executing program [0;31m* ] A start job is running for dev-ttyS0.device (36s / 1min 30s)[ 43.987624][ T450] incfs: Can't find or create .index dir in ./file0 [ 43.995925][ T328] BUG: Dentry ffff8881e8e10770{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 44.005702][ T328] ------------[ cut here ]------------ [ 44.011163][ T328] WARNING: CPU: 1 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 44.019453][ T328] Modules linked in: [ 44.023329][ T328] CPU: 1 PID: 328 Comm: syz-executor667 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 44.034828][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.044964][ T328] RIP: 0010:umount_check+0x179/0x1c0 [ 44.050396][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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 [ 44.069982][ T328] RSP: 0018:ffff8881e97ffc58 EFLAGS: 00010282 [ 44.076020][ T328] RAX: 0000000000000055 RBX: ffffffff85fc5100 RCX: a8820ad841ce1200 [ 44.083962][ T328] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 44.091974][ T328] RBP: ffff8881e272f420 R08: ffffffff814e8847 R09: ffffed103ede5e08 [ 44.099929][ T328] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 44.107878][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e8e10770 [ 44.115830][ T328] FS: 0000000001fa7400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 44.124859][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.131416][ T328] CR2: 0000000001fb0728 CR3: 00000001eae64000 CR4: 00000000001406e0 [ 44.139376][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.147343][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.155331][ T328] Call Trace: [ 44.155351][ T328] d_walk+0x2d9/0x540 [ 44.155369][ T328] ? __d_free+0x20/0x20 [ 44.155381][ T328] shrink_dcache_for_umount+0x8a/0x1a0 [ 44.172303][ T328] generic_shutdown_super+0x63/0x2a0 [ 44.177632][ T328] kill_block_super+0x79/0xd0 [ 44.182298][ T328] deactivate_locked_super+0xaf/0x100