[ 8.031937][ T22] audit: type=1400 audit(1635137498.339:66): avc: denied { search } for pid=235 comm="getty" name="/" dev="tmpfs" ino=10257 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 8.034902][ T22] audit: type=1400 audit(1635137498.339:67): avc: denied { read write } for pid=235 comm="getty" name="utmp" dev="tmpfs" ino=10261 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 8.037955][ T22] audit: type=1400 audit(1635137498.339:68): avc: denied { open } for pid=235 comm="getty" path="/run/utmp" dev="tmpfs" ino=10261 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 syzkaller syzkaller login: [ 13.616872][ T22] kauditd_printk_skb: 2 callbacks suppressed [ 13.616878][ T22] audit: type=1400 audit(1635137503.919:71): avc: denied { transition } for pid=265 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.623060][ T22] audit: type=1400 audit(1635137503.929:72): avc: denied { write } for pid=265 comm="sh" path="pipe:[10714]" dev="pipefs" ino=10714 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. executing program [ 20.376847][ T22] audit: type=1400 audit(1635137510.679:73): avc: denied { execmem } for pid=299 comm="syz-executor547" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.397855][ T22] audit: type=1400 audit(1635137510.709:74): avc: denied { read } for pid=300 comm="syz-executor547" name="loop-control" dev="devtmpfs" ino=9396 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 20.422566][ T22] audit: type=1400 audit(1635137510.709:75): avc: denied { open } for pid=300 comm="syz-executor547" path="/dev/loop-control" dev="devtmpfs" ino=9396 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 20.447683][ T22] audit: type=1400 audit(1635137510.709:76): avc: denied { ioctl } for pid=300 comm="syz-executor547" path="/dev/loop-control" dev="devtmpfs" ino=9396 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 20.509412][ T300] FAULT_INJECTION: forcing a failure. [ 20.509412][ T300] name failslab, interval 1, probability 0, space 0, times 1 [ 20.522007][ T300] CPU: 1 PID: 300 Comm: syz-executor547 Not tainted 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 20.532209][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.542270][ T300] Call Trace: [ 20.545534][ T300] dump_stack+0x18e/0x1de [ 20.550063][ T300] should_fail+0x5d8/0x740 [ 20.554452][ T300] ? security_inode_alloc+0x32/0x1d0 [ 20.559723][ T300] should_failslab+0x5/0x20 [ 20.564280][ T300] kmem_cache_alloc+0x36/0x290 [ 20.569026][ T300] security_inode_alloc+0x32/0x1d0 [ 20.574135][ T300] inode_init_always+0x387/0x810 [ 20.579041][ T300] new_inode_pseudo+0x90/0x220 [ 20.583772][ T300] new_inode+0x25/0x1d0 [ 20.587894][ T300] ? start_creating+0x183/0x270 [ 20.592717][ T300] debugfs_create_dir+0x68/0x3f0 [ 20.597646][ T300] bdi_register_va+0x232/0x5e0 [ 20.602448][ T300] bdi_register+0x80/0xa0 [ 20.606941][ T300] ? __device_add_disk+0x50a/0x1220 [ 20.612110][ T300] bdi_register_owner+0x56/0xf0 [ 20.616930][ T300] __device_add_disk+0x583/0x1220 [ 20.621923][ T300] loop_add+0x554/0x710 [ 20.626065][ T300] loop_control_ioctl+0x468/0x680 [ 20.631055][ T300] ? xor_init+0x60/0x60 [ 20.635178][ T300] do_vfs_ioctl+0x6fb/0x15b0 [ 20.639737][ T300] __x64_sys_ioctl+0xd4/0x110 [ 20.644388][ T300] do_syscall_64+0xcb/0x1e0 [ 20.648871][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.654854][ T300] RIP: 0033:0x7fbcea7d5079 [ 20.659245][ T300] 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 [ 20.678837][ T300] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 20.687243][ T300] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbcea7d5079 [ 20.695195][ T300] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program executing program [ 20.703147][ T300] RBP: 00007ffd2bbcbf40 R08: 0000000000000002 R09: 0000000000000001 [ 20.711089][ T300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 20.719093][ T300] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 20.727129][ T300] debugfs: out of free dentries, can not create directory '7:0' [ 20.781158][ T303] FAULT_INJECTION: forcing a failure. [ 20.781158][ T303] name failslab, interval 1, probability 0, space 0, times 0 [ 20.794001][ T303] CPU: 0 PID: 303 Comm: syz-executor547 Not tainted 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 20.804126][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.814149][ T303] Call Trace: [ 20.817414][ T303] dump_stack+0x18e/0x1de [ 20.821711][ T303] should_fail+0x5d8/0x740 [ 20.826105][ T303] ? device_add+0xcb/0x1820 [ 20.830588][ T303] should_failslab+0x5/0x20 [ 20.835059][ T303] kmem_cache_alloc_trace+0x39/0x2b0 [ 20.840309][ T303] device_add+0xcb/0x1820 [ 20.844605][ T303] ? dev_set_name+0x80/0xa0 [ 20.849073][ T303] ? kobj_map+0x61e/0x650 [ 20.853372][ T303] __device_add_disk+0x71a/0x1220 [ 20.858361][ T303] loop_add+0x554/0x710 [ 20.862481][ T303] loop_control_ioctl+0x468/0x680 [ 20.867471][ T303] ? xor_init+0x60/0x60 [ 20.871597][ T303] do_vfs_ioctl+0x6fb/0x15b0 [ 20.876157][ T303] __x64_sys_ioctl+0xd4/0x110 [ 20.880799][ T303] do_syscall_64+0xcb/0x1e0 [ 20.885272][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.891131][ T303] RIP: 0033:0x7fbcea7d5079 [ 20.895512][ 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 [ 20.915080][ T303] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 20.923455][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbcea7d5079 [ 20.931392][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 20.939387][ T303] RBP: 00007ffd2bbcbf40 R08: 0000000000000002 R09: 0000000000000001 [ 20.947332][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 20.955284][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 20.963365][ T303] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 20.971252][ T303] ------------[ cut here ]------------ [ 20.976709][ T303] WARNING: CPU: 0 PID: 303 at fs/sysfs/file.c:328 sysfs_create_files+0x1ef/0x380 [ 20.985790][ T303] Modules linked in: [ 20.989670][ T303] CPU: 0 PID: 303 Comm: syz-executor547 Not tainted 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 20.999779][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.010858][ T303] RIP: 0010:sysfs_create_files+0x1ef/0x380 [ 21.016629][ T303] Code: 85 ed 0f 84 a4 00 00 00 e8 be 96 ae ff 89 eb 48 8b 6c 24 10 4c 8b 7c 24 28 e9 ad fe ff ff e8 a8 96 ae ff eb 05 e8 a1 96 ae ff <0f> 0b 41 bc ea ff ff ff eb 8d 3c 03 0f 8f a1 fe ff ff 48 8d 7c 24 [ 21.036198][ T303] RSP: 0018:ffff8881de787c68 EFLAGS: 00010293 [ 21.042232][ T303] RAX: ffffffff81b238bf RBX: 0000000000000000 RCX: ffff8881debf8fc0 [ 21.050275][ T303] RDX: 0000000000000000 RSI: ffffffff85e46960 RDI: ffff8881de69a070 [ 21.058220][ T303] RBP: ffff8881de69a0a0 R08: ffffffff821b288c R09: ffffed103bcf0f8b [ 21.066165][ T303] R10: ffffed103bcf0f8b R11: 0000000000000000 R12: dffffc0000000000 [ 21.074107][ T303] R13: ffffffff84e296c0 R14: dffffc0000000000 R15: ffff8881de69a070 [ 21.082060][ T303] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.090956][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.097517][ T303] CR2: 00007fbcea8049b0 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 21.105458][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.113403][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.121350][ T303] Call Trace: [ 21.124623][ T303] __device_add_disk+0xced/0x1220 [ 21.129616][ T303] loop_add+0x554/0x710 [ 21.133739][ T303] loop_control_ioctl+0x468/0x680 [ 21.138739][ T303] ? xor_init+0x60/0x60 [ 21.142864][ T303] do_vfs_ioctl+0x6fb/0x15b0 [ 21.147544][ T303] __x64_sys_ioctl+0xd4/0x110 [ 21.152297][ T303] do_syscall_64+0xcb/0x1e0 [ 21.156777][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.162643][ T303] RIP: 0033:0x7fbcea7d5079 [ 21.167137][ 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 [ 21.186832][ T303] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 21.195216][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbcea7d5079 [ 21.203204][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 21.211174][ T303] RBP: 00007ffd2bbcbf40 R08: 0000000000000002 R09: 0000000000000001 [ 21.219118][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 21.227062][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 21.235002][ T303] ---[ end trace 00d4f81ea451575b ]--- [ 21.241594][ T303] ------------[ cut here ]------------ [ 21.247089][ T303] kernfs: can not remove 'events', no directory [ 21.253452][ T303] WARNING: CPU: 0 PID: 303 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 21.262981][ T303] Modules linked in: [ 21.266859][ T303] CPU: 0 PID: 303 Comm: syz-executor547 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 21.278368][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.288528][ T303] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 21.294671][ T303] Code: 48 89 c3 e8 61 f2 ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 50 f2 ae ff 48 c7 c7 40 c3 cb 84 4c 89 fe 31 c0 e8 1f 79 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 31 f2 ae ff bb fe ff ff ff 48 c7 c7 [ 21.314256][ T303] RSP: 0018:ffff8881de787c48 EFLAGS: 00010246 [ 21.320299][ T303] RAX: f1020d1c9f549500 RBX: 0000000000000000 RCX: ffff8881debf8fc0 [ 21.328238][ T303] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 21.336181][ T303] RBP: ffffffff84e296c0 R08: ffffffff814b2a4c R09: ffffed103bcf0f45 [ 21.344144][ T303] R10: ffffed103bcf0f45 R11: 0000000000000000 R12: 00000000ffffffea [ 21.352093][ T303] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84e29780 [ 21.360046][ T303] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.368945][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.375496][ T303] CR2: 00007fbcea8049b0 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 21.383439][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.391380][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.399326][ T303] Call Trace: [ 21.402685][ T303] sysfs_create_files+0x321/0x380 [ 21.407694][ T303] __device_add_disk+0xced/0x1220 [ 21.412695][ T303] loop_add+0x554/0x710 [ 21.416841][ T303] loop_control_ioctl+0x468/0x680 [ 21.421833][ T303] ? xor_init+0x60/0x60 [ 21.425998][ T303] do_vfs_ioctl+0x6fb/0x15b0 [ 21.430556][ T303] __x64_sys_ioctl+0xd4/0x110 [ 21.435198][ T303] do_syscall_64+0xcb/0x1e0 [ 21.439677][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.445534][ T303] RIP: 0033:0x7fbcea7d5079 [ 21.449917][ 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 [ 21.469492][ T303] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 21.477873][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbcea7d5079 [ 21.485852][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 21.493828][ T303] RBP: 00007ffd2bbcbf40 R08: 0000000000000002 R09: 0000000000000001 [ 21.501768][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 21.509709][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 21.517650][ T303] ---[ end trace 00d4f81ea451575c ]--- [ 21.523180][ T303] loop0: failed to create sysfs files for events [ 21.531334][ T304] ------------[ cut here ]------------ [ 21.536817][ T304] kernfs: can not remove 'events', no directory [ 21.543152][ T304] WARNING: CPU: 0 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 21.552659][ T304] Modules linked in: [ 21.556528][ T304] CPU: 0 PID: 304 Comm: syz-executor547 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 21.568037][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.578071][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 21.584190][ T304] Code: 48 89 c3 e8 61 f2 ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 50 f2 ae ff 48 c7 c7 40 c3 cb 84 4c 89 fe 31 c0 e8 1f 79 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 31 f2 ae ff bb fe ff ff ff 48 c7 c7 [ 21.603759][ T304] RSP: 0018:ffff8881de787cf8 EFLAGS: 00010246 [ 21.609822][ T304] RAX: bad6321f7d6abc00 RBX: 0000000000000000 RCX: ffff8881debf9f80 [ 21.617785][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 21.625776][ T304] RBP: ffffffff85e46960 R08: ffffffff814b2a4c R09: ffffed103bcf0f5b [ 21.633729][ T304] R10: ffffed103bcf0f5b R11: 0000000000000000 R12: 0000000000000000 [ 21.641673][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84e29780 [ 21.649700][ T304] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.658607][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.665169][ T304] CR2: 00007fbcea846130 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 21.673108][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.681047][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.688983][ T304] Call Trace: [ 21.692242][ T304] sysfs_remove_files+0x99/0xf0 [ 21.697062][ T304] del_gendisk+0x259/0xb70 [ 21.701450][ T304] ? radix_tree_delete_item+0x22a/0x320 [ 21.706964][ T304] loop_control_ioctl+0x563/0x680 [ 21.711953][ T304] ? xor_init+0x60/0x60 [ 21.716080][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 21.720640][ T304] __x64_sys_ioctl+0xd4/0x110 [ 21.725762][ T304] do_syscall_64+0xcb/0x1e0 [ 21.730243][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.736100][ T304] RIP: 0033:0x7fbcea7d5079 [ 21.740493][ 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 [ 21.760062][ T304] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 21.768439][ T304] RAX: ffffffffffffffda RBX: 00000000000050f0 RCX: 00007fbcea7d5079 [ 21.776377][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 21.784333][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 21.792279][ T304] R10: 00007ffd2bbcb9a0 R11: 0000000000000246 R12: 00007ffd2bbcbf3c [ 21.800228][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 21.808169][ T304] ---[ end trace 00d4f81ea451575d ]--- [ 21.814060][ T304] ------------[ cut here ]------------ [ 21.819598][ T304] kernfs: can not remove 'events_async', no directory [ 21.826393][ T304] WARNING: CPU: 0 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 21.835895][ T304] Modules linked in: [ 21.839793][ T304] CPU: 0 PID: 304 Comm: syz-executor547 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 21.851303][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.861337][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 21.867456][ T304] Code: 48 89 c3 e8 61 f2 ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 50 f2 ae ff 48 c7 c7 40 c3 cb 84 4c 89 fe 31 c0 e8 1f 79 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 31 f2 ae ff bb fe ff ff ff 48 c7 c7 [ 21.887028][ T304] RSP: 0018:ffff8881de787cf8 EFLAGS: 00010246 [ 21.893068][ T304] RAX: bad6321f7d6abc00 RBX: 0000000000000000 RCX: ffff8881debf9f80 [ 21.901016][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 21.909053][ T304] RBP: ffffffff85e46960 R08: ffffffff814b2a4c R09: ffffed103edc3eb2 [ 21.917094][ T304] R10: ffffed103edc3eb2 R11: 0000000000000000 R12: 0000000000000000 [ 21.925049][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84e298c0 [ 21.933004][ T304] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.941899][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.948449][ T304] CR2: 00007fbcea846130 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 21.956389][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.964328][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.972270][ T304] Call Trace: [ 21.975587][ T304] sysfs_remove_files+0x99/0xf0 [ 21.980408][ T304] del_gendisk+0x259/0xb70 [ 21.984792][ T304] ? radix_tree_delete_item+0x22a/0x320 [ 21.990301][ T304] loop_control_ioctl+0x563/0x680 [ 21.995291][ T304] ? xor_init+0x60/0x60 [ 21.999510][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 22.004067][ T304] __x64_sys_ioctl+0xd4/0x110 [ 22.008719][ T304] do_syscall_64+0xcb/0x1e0 [ 22.013187][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.019056][ T304] RIP: 0033:0x7fbcea7d5079 [ 22.023437][ 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 [ 22.043007][ T304] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.051383][ T304] RAX: ffffffffffffffda RBX: 00000000000050f0 RCX: 00007fbcea7d5079 [ 22.059325][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 22.067266][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 22.075216][ T304] R10: 00007ffd2bbcb9a0 R11: 0000000000000246 R12: 00007ffd2bbcbf3c [ 22.083162][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.091104][ T304] ---[ end trace 00d4f81ea451575e ]--- [ 22.096745][ T304] ------------[ cut here ]------------ [ 22.102235][ T304] kernfs: can not remove 'events_poll_msecs', no directory [ 22.109541][ T304] WARNING: CPU: 0 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 22.119080][ T304] Modules linked in: [ 22.122954][ T304] CPU: 0 PID: 304 Comm: syz-executor547 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 22.134474][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.144510][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 22.150635][ T304] Code: 48 89 c3 e8 61 f2 ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 50 f2 ae ff 48 c7 c7 40 c3 cb 84 4c 89 fe 31 c0 e8 1f 79 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 31 f2 ae ff bb fe ff ff ff 48 c7 c7 [ 22.170209][ T304] RSP: 0018:ffff8881de787cf8 EFLAGS: 00010246 [ 22.176246][ T304] RAX: bad6321f7d6abc00 RBX: 0000000000000000 RCX: ffff8881debf9f80 [ 22.184186][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.192126][ T304] RBP: ffffffff85e46960 R08: ffffffff814b2a4c R09: ffffed103bcf0f5b [ 22.200066][ T304] R10: ffffed103bcf0f5b R11: 0000000000000000 R12: 0000000000000000 [ 22.208011][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84e29900 [ 22.215958][ T304] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.224853][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.231408][ T304] CR2: 00007fbcea846130 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 22.239349][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.247289][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.255227][ T304] Call Trace: [ 22.258488][ T304] sysfs_remove_files+0x99/0xf0 [ 22.263307][ T304] del_gendisk+0x259/0xb70 [ 22.267692][ T304] ? radix_tree_delete_item+0x22a/0x320 [ 22.273212][ T304] loop_control_ioctl+0x563/0x680 [ 22.278202][ T304] ? xor_init+0x60/0x60 [ 22.282325][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 22.286884][ T304] __x64_sys_ioctl+0xd4/0x110 [ 22.291529][ T304] do_syscall_64+0xcb/0x1e0 [ 22.296016][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.301888][ T304] RIP: 0033:0x7fbcea7d5079 [ 22.306285][ 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 [ 22.325860][ T304] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.334238][ T304] RAX: ffffffffffffffda RBX: 00000000000050f0 RCX: 00007fbcea7d5079 [ 22.342182][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 22.350122][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 22.358200][ T304] R10: 00007ffd2bbcb9a0 R11: 0000000000000246 R12: 00007ffd2bbcbf3c [ 22.366149][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.374099][ T304] ---[ end trace 00d4f81ea451575f ]--- [ 22.379661][ T304] ------------[ cut here ]------------ [ 22.385134][ T304] kernfs: can not remove 'bdi', no directory [ 22.391310][ T304] WARNING: CPU: 0 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 22.400831][ T304] Modules linked in: [ 22.404704][ T304] CPU: 0 PID: 304 Comm: syz-executor547 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 22.416401][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.426444][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 22.432570][ T304] Code: 48 89 c3 e8 61 f2 ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 50 f2 ae ff 48 c7 c7 40 c3 cb 84 4c 89 fe 31 c0 e8 1f 79 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 31 f2 ae ff bb fe ff ff ff 48 c7 c7 [ 22.452678][ T304] RSP: 0018:ffff8881de787d38 EFLAGS: 00010246 [ 22.458712][ T304] RAX: bad6321f7d6abc00 RBX: 0000000000000000 RCX: ffff8881debf9f80 [ 22.466653][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.474593][ T304] RBP: 0000000000000000 R08: ffffffff814b2a4c R09: ffffed103bcf0f63 [ 22.482534][ T304] R10: ffffed103bcf0f63 R11: 0000000000000000 R12: 1ffff1103bcd3400 [ 22.490484][ T304] R13: ffff8881de69a4e8 R14: 0000000000000000 R15: ffffffff84e291a0 [ 22.498469][ T304] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.507372][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.513935][ T304] CR2: 00007fbcea846130 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 22.521883][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.529945][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.537891][ T304] Call Trace: [ 22.541158][ T304] del_gendisk+0x543/0xb70 [ 22.545547][ T304] loop_control_ioctl+0x563/0x680 [ 22.550542][ T304] ? xor_init+0x60/0x60 [ 22.554715][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 22.559305][ T304] __x64_sys_ioctl+0xd4/0x110 [ 22.563948][ T304] do_syscall_64+0xcb/0x1e0 [ 22.568425][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.574284][ T304] RIP: 0033:0x7fbcea7d5079 [ 22.578684][ 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 [ 22.598258][ T304] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.606635][ T304] RAX: ffffffffffffffda RBX: 00000000000050f0 RCX: 00007fbcea7d5079 [ 22.614575][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 22.622530][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 22.630469][ T304] R10: 00007ffd2bbcb9a0 R11: 0000000000000246 R12: 00007ffd2bbcbf3c [ 22.638414][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.646355][ T304] ---[ end trace 00d4f81ea4515760 ]--- [ 22.652870][ T304] stack segment: 0000 [#1] PREEMPT SMP KASAN [ 22.658845][ T304] CPU: 0 PID: 304 Comm: syz-executor547 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 22.670345][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.680379][ T304] RIP: 0010:device_del+0xa3/0xf60 [ 22.685381][ T304] Code: 00 74 08 4c 89 e7 e8 cc 75 0e ff 48 89 1c 24 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 33 0e 00 00 45 0f b6 2f 44 89 eb 83 e3 01 [ 22.704956][ T304] RSP: 0018:ffff8881de787ce0 EFLAGS: 00010202 [ 22.711004][ T304] RAX: dffffc0000000000 RBX: ffff8881de69a070 RCX: 1ffff1103bcd341b [ 22.718946][ T304] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de787ca0 [ 22.726914][ T304] RBP: 0000000000000019 R08: dffffc0000000000 R09: ffffed103bcf0f95 [ 22.734856][ T304] R10: ffffed103bcf0f95 R11: 0000000000000000 R12: ffff8881de69a0d8 [ 22.742985][ T304] R13: 1ffff1103bcd3485 R14: ffff8881de69a110 R15: 00000000000000c8 [ 22.750928][ T304] FS: 0000555556662300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.759824][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.766381][ T304] CR2: 00007fbcea846130 CR3: 00000001de5dd000 CR4: 00000000003406f0 [ 22.774324][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.782267][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.790208][ T304] Call Trace: [ 22.793470][ T304] ? pm_runtime_set_memalloc_noio+0x205/0x270 [ 22.799507][ T304] del_gendisk+0x94f/0xb70 [ 22.803892][ T304] loop_control_ioctl+0x563/0x680 [ 22.808895][ T304] ? xor_init+0x60/0x60 [ 22.813028][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 22.817591][ T304] __x64_sys_ioctl+0xd4/0x110 [ 22.822235][ T304] do_syscall_64+0xcb/0x1e0 [ 22.826831][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.832701][ T304] RIP: 0033:0x7fbcea7d5079 [ 22.837087][ 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 [ 22.856662][ T304] RSP: 002b:00007ffd2bbcbf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.865190][ T304] RAX: ffffffffffffffda RBX: 00000000000050f0 RCX: 00007fbcea7d5079 [ 22.873135][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 22.881083][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 22.889023][ T304] R10: 00007ffd2bbcb9a0 R11: 0000000000000246 R12: 00007ffd2bbcbf3c [ 22.896978][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.904919][ T304] Modules linked in: [ 22.908894][ T304] ---[ end trace 00d4f81ea4515761 ]--- [ 22.914375][ T304] RIP: 0010:device_del+0xa3/0xf60 [ 22.919464][ T304] Code: 00 74 08 4c 89 e7 e8 cc 75 0e ff 48 89 1c 24 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 33 0e 00 00 45 0f b6 2f 44 89 eb 83 e3 01 [ 22.939117][ T304] RSP: 0018:ffff8881de787ce0 EFLAGS: 00010202 [ 22.945169][ T304] RAX: dffffc0000000000 RBX: ffff8881de69a070 RCX: 1ffff1103bcd341b [ 22.953334][ T304] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de787ca0 [ 22.961340][ T304] RBP: 0000000000000019 R08: dffffc0000000000 R09: ffffed103bcf0f95 [ 22.969328][ T304] R10: ffffed103bcf0f95 R11: 0000000000000000 R12: ffff8881de69a0d8 [ 22.977285][ T304] R13: 1ffff1103bcd3485 R14: ffff8881de69a110 R15: 00000000000000c8 [ 22.985258][ T304] FS: 0000555556662300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.994181][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.000756][ T304] CR2: 00005645d8ec00c8 CR3: 00000001de5dd000 CR4: 00000000003406e0 [ 23.008748][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.016693][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.024673][ T304] Kernel panic - not syncing: Fatal exception [ 23.030979][ T304] Kernel Offset: disabled [ 23.035283][ T304] Rebooting in 86400 seconds..