Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program [ 21.541713][ T22] audit: type=1400 audit(1651021044.960:73): avc: denied { execmem } for pid=298 comm="syz-executor857" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.561270][ T22] audit: type=1400 audit(1651021044.960:74): avc: denied { read } for pid=299 comm="syz-executor857" name="loop-control" dev="devtmpfs" ino=9398 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 21.585920][ T22] audit: type=1400 audit(1651021044.960:75): avc: denied { open } for pid=299 comm="syz-executor857" path="/dev/loop-control" dev="devtmpfs" ino=9398 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 21.611022][ T22] audit: type=1400 audit(1651021044.960:76): avc: denied { ioctl } for pid=299 comm="syz-executor857" path="/dev/loop-control" dev="devtmpfs" ino=9398 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 21.660020][ T299] FAULT_INJECTION: forcing a failure. [ 21.660020][ T299] name failslab, interval 1, probability 0, space 0, times 1 [ 21.672635][ T299] CPU: 1 PID: 299 Comm: syz-executor857 Not tainted 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 21.682753][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.693208][ T299] Call Trace: [ 21.696488][ T299] dump_stack+0x18e/0x1d5 [ 21.700789][ T299] should_fail+0x604/0x770 [ 21.705174][ T299] ? sysfs_create_groups+0x5d/0x130 [ 21.710340][ T299] ? radix_tree_node_alloc+0x18c/0x370 [ 21.715766][ T299] should_failslab+0x5/0x20 [ 21.720238][ T299] kmem_cache_alloc+0x24/0x210 [ 21.724970][ T299] radix_tree_node_alloc+0x18c/0x370 [ 21.730224][ T299] idr_get_free+0x299/0x840 [ 21.734695][ T299] idr_alloc_cyclic+0x182/0x550 [ 21.739577][ T299] __kernfs_new_node+0xde/0x650 [ 21.744484][ T299] ? kernfs_activate+0x3fc/0x420 [ 21.749388][ T299] kernfs_new_node+0x95/0x160 [ 21.754036][ T299] __kernfs_create_file+0x45/0x260 [ 21.759115][ T299] sysfs_add_file_mode_ns+0x292/0x340 [ 21.764452][ T299] internal_create_group+0x4a4/0xe00 [ 21.769703][ T299] sysfs_create_groups+0x5d/0x130 [ 21.774697][ T299] device_add_attrs+0xd0/0x370 [ 21.779428][ T299] device_add+0x505/0xbc0 [ 21.783731][ T299] __device_add_disk+0x717/0x1210 [ 21.788725][ T299] loop_add+0x554/0x710 [ 21.792849][ T299] loop_control_ioctl+0x465/0x600 [ 21.797840][ T299] ? loop_remove+0xa0/0xa0 [ 21.802225][ T299] do_vfs_ioctl+0x6d1/0x15b0 [ 21.806785][ T299] __x64_sys_ioctl+0xd4/0x110 [ 21.811433][ T299] do_syscall_64+0xcb/0x1c0 [ 21.815906][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.821882][ T299] RIP: 0033:0x7f6f4392b079 [ 21.826265][ T299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 21.845835][ T299] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program executing program [ 21.854220][ T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f4392b079 [ 21.862159][ T299] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 21.870100][ T299] RBP: 00007ffeb740a910 R08: 0000000000000002 R09: 0000000000000001 [ 21.878049][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 21.885989][ T299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 21.980168][ T303] FAULT_INJECTION: forcing a failure. [ 21.980168][ T303] name failslab, interval 1, probability 0, space 0, times 0 [ 21.992851][ T303] CPU: 0 PID: 303 Comm: syz-executor857 Not tainted 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 22.002970][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.012994][ T303] Call Trace: [ 22.016258][ T303] dump_stack+0x18e/0x1d5 [ 22.020557][ T303] should_fail+0x604/0x770 [ 22.024945][ T303] ? __kernfs_new_node+0x8b/0x650 [ 22.029937][ T303] should_failslab+0x5/0x20 [ 22.034410][ T303] kmem_cache_alloc+0x24/0x210 [ 22.039141][ T303] __kernfs_new_node+0x8b/0x650 [ 22.043960][ T303] ? mutex_lock+0x6c/0xc0 [ 22.048262][ T303] ? kernfs_activate+0x3fc/0x420 [ 22.053168][ T303] kernfs_new_node+0x95/0x160 [ 22.057813][ T303] __kernfs_create_file+0x45/0x260 [ 22.062911][ T303] sysfs_add_file_mode_ns+0x292/0x340 [ 22.068257][ T303] internal_create_group+0x4a4/0xe00 [ 22.073513][ T303] sysfs_create_groups+0x5d/0x130 [ 22.078512][ T303] device_add_attrs+0xd0/0x370 [ 22.083258][ T303] device_add+0x505/0xbc0 [ 22.087577][ T303] __device_add_disk+0x717/0x1210 [ 22.092616][ T303] loop_add+0x554/0x710 [ 22.096750][ T303] loop_control_ioctl+0x465/0x600 [ 22.101771][ T303] ? loop_remove+0xa0/0xa0 [ 22.106155][ T303] do_vfs_ioctl+0x6d1/0x15b0 [ 22.110717][ T303] __x64_sys_ioctl+0xd4/0x110 [ 22.115363][ T303] do_syscall_64+0xcb/0x1c0 [ 22.119842][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.125703][ T303] RIP: 0033:0x7f6f4392b079 [ 22.130090][ T303] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 22.149662][ T303] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.158041][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f4392b079 [ 22.165979][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 22.173919][ T303] RBP: 00007ffeb740a910 R08: 0000000000000002 R09: 0000000000000001 [ 22.182008][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 22.189953][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.198059][ T303] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 22.205889][ T303] ------------[ cut here ]------------ [ 22.211326][ T303] WARNING: CPU: 0 PID: 303 at fs/sysfs/file.c:328 sysfs_create_files+0x1a5/0x370 [ 22.220393][ T303] Modules linked in: [ 22.224262][ T303] CPU: 0 PID: 303 Comm: syz-executor857 Not tainted 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 22.234372][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.244404][ T303] RIP: 0010:sysfs_create_files+0x1a5/0x370 [ 22.250176][ T303] Code: 89 ff 4c 89 ee 31 d2 41 89 e8 6a 00 e8 34 f9 ff ff 48 83 c4 08 41 89 c7 eb 18 66 66 2e 0f 1f 84 00 00 00 00 00 e8 fb 7a af ff <0f> 0b 41 bf ea ff ff ff 41 8d 6c 24 01 48 63 c5 48 8b 4c 24 08 48 [ 22.269752][ T303] RSP: 0018:ffff8881de9e7c68 EFLAGS: 00010293 [ 22.275786][ T303] RAX: ffffffff81b0c449 RBX: ffff8881e18aa0a0 RCX: ffff8881de99af40 [ 22.283726][ T303] RDX: 0000000000000000 RSI: ffffffff85a44780 RDI: ffff8881e18aa070 [ 22.291679][ T303] RBP: ffff8881e18aa070 R08: ffffffff8217f1e4 R09: ffffed103bd3cf8b [ 22.299620][ T303] R10: ffffed103bd3cf8b R11: 1ffff1103bd3cf8a R12: 0000000000000000 [ 22.307560][ T303] R13: ffffffff84bd5160 R14: dffffc0000000000 R15: ffff8881e18aa000 [ 22.315500][ T303] FS: 0000555555b59300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.324394][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.330948][ T303] CR2: 00007f6f4395a9b0 CR3: 00000001deffa000 CR4: 00000000003406f0 [ 22.338891][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.346831][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.354768][ T303] Call Trace: [ 22.358036][ T303] __device_add_disk+0xd16/0x1210 [ 22.363043][ T303] loop_add+0x554/0x710 [ 22.367168][ T303] loop_control_ioctl+0x465/0x600 [ 22.372159][ T303] ? loop_remove+0xa0/0xa0 [ 22.376544][ T303] do_vfs_ioctl+0x6d1/0x15b0 [ 22.381101][ T303] __x64_sys_ioctl+0xd4/0x110 [ 22.385745][ T303] do_syscall_64+0xcb/0x1c0 [ 22.390227][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.396087][ T303] RIP: 0033:0x7f6f4392b079 [ 22.400468][ T303] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 22.420057][ T303] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.428435][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f4392b079 [ 22.436376][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 22.444316][ T303] RBP: 00007ffeb740a910 R08: 0000000000000002 R09: 0000000000000001 [ 22.452253][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 22.460194][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.468177][ T303] ---[ end trace 61edda8b34685064 ]--- [ 22.474230][ T303] ------------[ cut here ]------------ [ 22.479686][ T303] kernfs: can not remove 'events', no directory [ 22.485934][ T303] WARNING: CPU: 0 PID: 303 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 22.495454][ T303] Modules linked in: [ 22.499322][ T303] CPU: 0 PID: 303 Comm: syz-executor857 Tainted: G W 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 22.510819][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.520852][ T303] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 22.526976][ T303] Code: 48 89 c3 e8 51 d6 af ff 48 89 df e8 69 f0 ff ff 31 db eb 29 e8 40 d6 af ff 48 c7 c7 c0 f4 a7 84 4c 89 fe 31 c0 e8 ff 17 89 ff <0f> 0b bb fe ff ff ff eb 16 e8 21 d6 af ff bb fe ff ff ff 48 c7 c7 [ 22.546547][ T303] RSP: 0018:ffff8881de9e7c48 EFLAGS: 00010246 [ 22.552583][ T303] RAX: ac7f4e28d18e9a00 RBX: 0000000000000000 RCX: ffff8881de99af40 [ 22.560529][ T303] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.568466][ T303] RBP: ffffffff84bd5160 R08: ffffffff814a8aaa R09: ffffed103edc52b2 [ 22.576408][ T303] R10: ffffed103edc52b2 R11: 1ffff1103edc52b1 R12: ffffffff85a44780 [ 22.584345][ T303] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84bd5220 [ 22.592285][ T303] FS: 0000555555b59300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.601197][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.607746][ T303] CR2: 00007f6f4395a9b0 CR3: 00000001deffa000 CR4: 00000000003406f0 [ 22.615690][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.623630][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.631567][ T303] Call Trace: [ 22.634829][ T303] sysfs_create_files+0x31a/0x370 [ 22.639826][ T303] __device_add_disk+0xd16/0x1210 [ 22.644821][ T303] loop_add+0x554/0x710 [ 22.648947][ T303] loop_control_ioctl+0x465/0x600 [ 22.653938][ T303] ? loop_remove+0xa0/0xa0 [ 22.658324][ T303] do_vfs_ioctl+0x6d1/0x15b0 [ 22.662883][ T303] __x64_sys_ioctl+0xd4/0x110 [ 22.667547][ T303] do_syscall_64+0xcb/0x1c0 [ 22.672022][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.677886][ T303] RIP: 0033:0x7f6f4392b079 [ 22.682268][ T303] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 22.701843][ T303] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.710220][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f4392b079 [ 22.718162][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 22.726103][ T303] RBP: 00007ffeb740a910 R08: 0000000000000002 R09: 0000000000000001 [ 22.734045][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 22.741983][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.749941][ T303] ---[ end trace 61edda8b34685065 ]--- [ 22.755404][ T303] loop0: failed to create sysfs files for events [ 22.763459][ T304] ------------[ cut here ]------------ [ 22.769004][ T304] kernfs: can not remove 'events', no directory [ 22.775273][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 22.784782][ T304] Modules linked in: [ 22.788647][ T304] CPU: 1 PID: 304 Comm: syz-executor857 Tainted: G W 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 22.800232][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.810268][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 22.816398][ T304] Code: 48 89 c3 e8 51 d6 af ff 48 89 df e8 69 f0 ff ff 31 db eb 29 e8 40 d6 af ff 48 c7 c7 c0 f4 a7 84 4c 89 fe 31 c0 e8 ff 17 89 ff <0f> 0b bb fe ff ff ff eb 16 e8 21 d6 af ff bb fe ff ff ff 48 c7 c7 [ 22.835982][ T304] RSP: 0018:ffff8881de9e7cd0 EFLAGS: 00010246 [ 22.842019][ T304] RAX: a149e023f5b05200 RBX: 0000000000000000 RCX: ffff8881dec90fc0 [ 22.849961][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.857902][ T304] RBP: ffffffff85a44780 R08: ffffffff814a8aaa R09: ffffed103ede52b2 [ 22.865845][ T304] R10: ffffed103ede52b2 R11: 1ffff1103ede52b1 R12: 0000000000000000 [ 22.873787][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84bd5220 [ 22.881730][ T304] FS: 0000555555b59300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.890628][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.897209][ T304] CR2: 00007f6f4399c130 CR3: 00000001de90c000 CR4: 00000000003406e0 [ 22.905154][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.913093][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.921033][ T304] Call Trace: [ 22.924301][ T304] sysfs_remove_files+0x99/0xf0 [ 22.929120][ T304] del_gendisk+0x241/0xb60 [ 22.933507][ T304] loop_remove+0x42/0xa0 [ 22.937723][ T304] loop_control_ioctl+0x547/0x600 [ 22.942721][ T304] ? loop_remove+0xa0/0xa0 [ 22.947112][ T304] do_vfs_ioctl+0x6d1/0x15b0 [ 22.951670][ T304] __x64_sys_ioctl+0xd4/0x110 [ 22.956315][ T304] do_syscall_64+0xcb/0x1c0 [ 22.960788][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.966652][ T304] RIP: 0033:0x7f6f4392b079 [ 22.971036][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 22.990627][ T304] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.999002][ T304] RAX: ffffffffffffffda RBX: 0000000000005577 RCX: 00007f6f4392b079 [ 23.006948][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 23.014886][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 23.022838][ T304] R10: 00007ffeb740a370 R11: 0000000000000246 R12: 00007ffeb740a90c [ 23.030785][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.038734][ T304] ---[ end trace 61edda8b34685066 ]--- [ 23.044272][ T304] ------------[ cut here ]------------ [ 23.049774][ T304] kernfs: can not remove 'events_async', no directory [ 23.056582][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 23.066085][ T304] Modules linked in: [ 23.069956][ T304] CPU: 1 PID: 304 Comm: syz-executor857 Tainted: G W 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 23.081457][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.091646][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 23.097780][ T304] Code: 48 89 c3 e8 51 d6 af ff 48 89 df e8 69 f0 ff ff 31 db eb 29 e8 40 d6 af ff 48 c7 c7 c0 f4 a7 84 4c 89 fe 31 c0 e8 ff 17 89 ff <0f> 0b bb fe ff ff ff eb 16 e8 21 d6 af ff bb fe ff ff ff 48 c7 c7 [ 23.117360][ T304] RSP: 0018:ffff8881de9e7cd0 EFLAGS: 00010246 [ 23.123392][ T304] RAX: a149e023f5b05200 RBX: 0000000000000000 RCX: ffff8881dec90fc0 [ 23.131328][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.139274][ T304] RBP: ffffffff85a44780 R08: ffffffff814a8aaa R09: ffffed103ede52b2 [ 23.147222][ T304] R10: ffffed103ede52b2 R11: 1ffff1103ede52b1 R12: 0000000000000000 [ 23.155167][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84bd52c0 [ 23.163109][ T304] FS: 0000555555b59300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.172009][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.178614][ T304] CR2: 00007f6f4399c130 CR3: 00000001de90c000 CR4: 00000000003406e0 [ 23.186562][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.194509][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.202448][ T304] Call Trace: [ 23.205729][ T304] sysfs_remove_files+0x99/0xf0 [ 23.210566][ T304] del_gendisk+0x241/0xb60 [ 23.214957][ T304] loop_remove+0x42/0xa0 [ 23.219171][ T304] loop_control_ioctl+0x547/0x600 [ 23.224172][ T304] ? loop_remove+0xa0/0xa0 [ 23.228565][ T304] do_vfs_ioctl+0x6d1/0x15b0 [ 23.233126][ T304] __x64_sys_ioctl+0xd4/0x110 [ 23.237773][ T304] do_syscall_64+0xcb/0x1c0 [ 23.242250][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.248114][ T304] RIP: 0033:0x7f6f4392b079 [ 23.252672][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 23.272245][ T304] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.280621][ T304] RAX: ffffffffffffffda RBX: 0000000000005577 RCX: 00007f6f4392b079 [ 23.288559][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 23.296501][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 23.304441][ T304] R10: 00007ffeb740a370 R11: 0000000000000246 R12: 00007ffeb740a90c [ 23.312380][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.320408][ T304] ---[ end trace 61edda8b34685067 ]--- [ 23.326041][ T304] ------------[ cut here ]------------ [ 23.331529][ T304] kernfs: can not remove 'events_poll_msecs', no directory [ 23.338810][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 23.348319][ T304] Modules linked in: [ 23.352182][ T304] CPU: 1 PID: 304 Comm: syz-executor857 Tainted: G W 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 23.363680][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.373708][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 23.379835][ T304] Code: 48 89 c3 e8 51 d6 af ff 48 89 df e8 69 f0 ff ff 31 db eb 29 e8 40 d6 af ff 48 c7 c7 c0 f4 a7 84 4c 89 fe 31 c0 e8 ff 17 89 ff <0f> 0b bb fe ff ff ff eb 16 e8 21 d6 af ff bb fe ff ff ff 48 c7 c7 [ 23.399493][ T304] RSP: 0018:ffff8881de9e7cd0 EFLAGS: 00010246 [ 23.405523][ T304] RAX: a149e023f5b05200 RBX: 0000000000000000 RCX: ffff8881dec90fc0 [ 23.413459][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.421405][ T304] RBP: ffffffff85a44780 R08: ffffffff814a8aaa R09: ffffed103bd3cf59 [ 23.429343][ T304] R10: ffffed103bd3cf59 R11: 1ffff1103bd3cf58 R12: 0000000000000000 [ 23.437282][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84bd52e0 [ 23.445221][ T304] FS: 0000555555b59300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.454113][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.460665][ T304] CR2: 00007f6f4399c130 CR3: 00000001de90c000 CR4: 00000000003406e0 [ 23.468606][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.476541][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.484486][ T304] Call Trace: [ 23.487748][ T304] sysfs_remove_files+0x99/0xf0 [ 23.492569][ T304] del_gendisk+0x241/0xb60 [ 23.496955][ T304] loop_remove+0x42/0xa0 [ 23.501173][ T304] loop_control_ioctl+0x547/0x600 [ 23.506167][ T304] ? loop_remove+0xa0/0xa0 [ 23.510564][ T304] do_vfs_ioctl+0x6d1/0x15b0 [ 23.515131][ T304] __x64_sys_ioctl+0xd4/0x110 [ 23.519774][ T304] do_syscall_64+0xcb/0x1c0 [ 23.524247][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.530127][ T304] RIP: 0033:0x7f6f4392b079 [ 23.534510][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 23.554599][ T304] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.562970][ T304] RAX: ffffffffffffffda RBX: 0000000000005577 RCX: 00007f6f4392b079 [ 23.570911][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 23.579025][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 23.586965][ T304] R10: 00007ffeb740a370 R11: 0000000000000246 R12: 00007ffeb740a90c [ 23.594922][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.603299][ T304] ---[ end trace 61edda8b34685068 ]--- [ 23.608859][ T304] ------------[ cut here ]------------ [ 23.614321][ T304] kernfs: can not remove 'bdi', no directory [ 23.620402][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 23.629915][ T304] Modules linked in: [ 23.633781][ T304] CPU: 1 PID: 304 Comm: syz-executor857 Tainted: G W 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 23.645278][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.655394][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 23.661537][ T304] Code: 48 89 c3 e8 51 d6 af ff 48 89 df e8 69 f0 ff ff 31 db eb 29 e8 40 d6 af ff 48 c7 c7 c0 f4 a7 84 4c 89 fe 31 c0 e8 ff 17 89 ff <0f> 0b bb fe ff ff ff eb 16 e8 21 d6 af ff bb fe ff ff ff 48 c7 c7 [ 23.681104][ T304] RSP: 0018:ffff8881de9e7d10 EFLAGS: 00010246 [ 23.687137][ T304] RAX: a149e023f5b05200 RBX: 0000000000000000 RCX: ffff8881dec90fc0 [ 23.695076][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.703013][ T304] RBP: 0000000000000000 R08: ffffffff814a8aaa R09: ffffed103bd3cf61 [ 23.710953][ T304] R10: ffffed103bd3cf61 R11: 1ffff1103bd3cf60 R12: 1ffff1103c315400 [ 23.718977][ T304] R13: ffff8881e18aa4e8 R14: 0000000000000000 R15: ffffffff84bd4d80 [ 23.726918][ T304] FS: 0000555555b59300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.735902][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.742454][ T304] CR2: 00007f6f4399c130 CR3: 00000001de90c000 CR4: 00000000003406e0 [ 23.750394][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.758332][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.766543][ T304] Call Trace: [ 23.769810][ T304] del_gendisk+0x533/0xb60 [ 23.774196][ T304] loop_remove+0x42/0xa0 [ 23.778403][ T304] loop_control_ioctl+0x547/0x600 [ 23.783394][ T304] ? loop_remove+0xa0/0xa0 [ 23.787776][ T304] do_vfs_ioctl+0x6d1/0x15b0 [ 23.792333][ T304] __x64_sys_ioctl+0xd4/0x110 [ 23.796977][ T304] do_syscall_64+0xcb/0x1c0 [ 23.801534][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.807568][ T304] RIP: 0033:0x7f6f4392b079 [ 23.811972][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 23.831631][ T304] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.840007][ T304] RAX: ffffffffffffffda RBX: 0000000000005577 RCX: 00007f6f4392b079 [ 23.847947][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 23.855887][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 23.863826][ T304] R10: 00007ffeb740a370 R11: 0000000000000246 R12: 00007ffeb740a90c [ 23.872199][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.880139][ T304] ---[ end trace 61edda8b34685069 ]--- [ 23.886826][ T304] stack segment: 0000 [#1] PREEMPT SMP KASAN [ 23.893146][ T304] CPU: 1 PID: 304 Comm: syz-executor857 Tainted: G W 5.4.180-syzkaller-00006-g99f7ebe8ce34 #0 [ 23.904654][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.914694][ T304] RIP: 0010:device_del+0x9f/0xf40 [ 23.919691][ T304] Code: 74 08 4c 89 e7 e8 11 6e 10 ff 48 89 5c 24 10 41 bf c8 00 00 00 4d 03 3c 24 4c 89 fd 48 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <8a> 44 05 00 84 c0 0f 85 17 0e 00 00 41 0f b6 1f 89 de 83 e6 01 31 [ 23.939266][ T304] RSP: 0018:ffff8881de9e7cb8 EFLAGS: 00010202 [ 23.945301][ T304] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103c31541b [ 23.953239][ T304] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de9e7c78 [ 23.961188][ T304] RBP: 0000000000000019 R08: dffffc0000000000 R09: ffffed103bd3cf90 [ 23.969227][ T304] R10: ffffed103bd3cf90 R11: 1ffff1103bd3cf8f R12: ffff8881e18aa0d8 [ 23.977322][ T304] R13: ffff8881e18aa070 R14: ffff8881e18aa110 R15: 00000000000000c8 [ 23.985274][ T304] FS: 0000555555b59300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.994179][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.000734][ T304] CR2: 00007f6f4399c130 CR3: 00000001de90c000 CR4: 00000000003406e0 [ 24.008680][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.016619][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.024567][ T304] Call Trace: [ 24.027831][ T304] ? pm_runtime_set_memalloc_noio+0x20c/0x280 [ 24.033867][ T304] del_gendisk+0x93f/0xb60 [ 24.038517][ T304] loop_remove+0x42/0xa0 [ 24.042734][ T304] loop_control_ioctl+0x547/0x600 [ 24.047740][ T304] ? loop_remove+0xa0/0xa0 [ 24.052193][ T304] do_vfs_ioctl+0x6d1/0x15b0 [ 24.056765][ T304] __x64_sys_ioctl+0xd4/0x110 [ 24.061416][ T304] do_syscall_64+0xcb/0x1c0 [ 24.065902][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.071764][ T304] RIP: 0033:0x7f6f4392b079 [ 24.076154][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 24.095749][ T304] RSP: 002b:00007ffeb740a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.104217][ T304] RAX: ffffffffffffffda RBX: 0000000000005577 RCX: 00007f6f4392b079 [ 24.112160][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 24.120099][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 24.128045][ T304] R10: 00007ffeb740a370 R11: 0000000000000246 R12: 00007ffeb740a90c [ 24.135996][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.143935][ T304] Modules linked in: [ 24.147912][ T304] ---[ end trace 61edda8b3468506a ]--- [ 24.153482][ T304] RIP: 0010:device_del+0x9f/0xf40 [ 24.158559][ T304] Code: 74 08 4c 89 e7 e8 11 6e 10 ff 48 89 5c 24 10 41 bf c8 00 00 00 4d 03 3c 24 4c 89 fd 48 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <8a> 44 05 00 84 c0 0f 85 17 0e 00 00 41 0f b6 1f 89 de 83 e6 01 31 [ 24.178203][ T304] RSP: 0018:ffff8881de9e7cb8 EFLAGS: 00010202 [ 24.184263][ T304] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103c31541b [ 24.192384][ T304] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de9e7c78 [ 24.200382][ T304] RBP: 0000000000000019 R08: dffffc0000000000 R09: ffffed103bd3cf90 [ 24.208464][ T304] R10: ffffed103bd3cf90 R11: 1ffff1103bd3cf8f R12: ffff8881e18aa0d8 [ 24.216428][ T304] R13: ffff8881e18aa070 R14: ffff8881e18aa110 R15: 00000000000000c8 [ 24.224413][ T304] FS: 0000555555b59300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.233361][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.239958][ T304] CR2: 00007f6f4399c130 CR3: 00000001de90c000 CR4: 00000000003406e0 [ 24.247964][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.256017][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.264003][ T304] Kernel panic - not syncing: Fatal exception [ 24.270291][ T304] Kernel Offset: disabled [ 24.274592][ T304] Rebooting in 86400 seconds..