forked to background, child pid 192 no interfaces have a carrier Starting sshd: OK syzkaller syzkaller login: [ 14.913283][ T22] kauditd_printk_skb: 60 callbacks suppressed [ 14.913290][ T22] audit: type=1400 audit(1651088714.420:71): 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 [ 14.917871][ T22] audit: type=1400 audit(1651088714.420:72): avc: denied { write } for pid=265 comm="sh" path="pipe:[10477]" dev="pipefs" ino=10477 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. executing program [ 23.670585][ T22] audit: type=1400 audit(1651088723.170:73): avc: denied { execmem } for pid=298 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.691482][ T22] audit: type=1400 audit(1651088723.190:74): avc: denied { read } for pid=299 comm="syz-executor363" name="loop-control" dev="devtmpfs" ino=9366 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 23.716318][ T22] audit: type=1400 audit(1651088723.190:75): avc: denied { open } for pid=299 comm="syz-executor363" path="/dev/loop-control" dev="devtmpfs" ino=9366 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 23.741643][ T22] audit: type=1400 audit(1651088723.190:76): avc: denied { ioctl } for pid=299 comm="syz-executor363" path="/dev/loop-control" dev="devtmpfs" ino=9366 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 23.785708][ T299] FAULT_INJECTION: forcing a failure. [ 23.785708][ T299] name failslab, interval 1, probability 0, space 0, times 1 [ 23.798301][ T299] CPU: 1 PID: 299 Comm: syz-executor363 Not tainted 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 23.808422][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.818449][ T299] Call Trace: [ 23.821722][ T299] dump_stack+0x18e/0x1d5 [ 23.826024][ T299] should_fail+0x604/0x770 [ 23.830415][ T299] ? __kernfs_new_node+0x47/0x650 [ 23.835407][ T299] should_failslab+0x5/0x20 [ 23.839877][ T299] __kmalloc_track_caller+0x4f/0x280 [ 23.845128][ T299] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 23.850908][ T299] kstrdup_const+0x51/0x90 [ 23.855293][ T299] __kernfs_new_node+0x47/0x650 [ 23.860112][ T299] ? __kasan_kmalloc+0x1a5/0x1e0 [ 23.865018][ T299] ? loop_add+0x554/0x710 [ 23.869315][ T299] ? __kasan_kmalloc+0x131/0x1e0 [ 23.874216][ T299] ? device_add+0xb6/0xbc0 [ 23.878598][ T299] ? __device_add_disk+0x717/0x1210 [ 23.883761][ T299] ? loop_add+0x554/0x710 [ 23.888055][ T299] ? loop_control_ioctl+0x465/0x600 [ 23.893243][ T299] ? do_vfs_ioctl+0x6d1/0x15b0 [ 23.897969][ T299] ? __x64_sys_ioctl+0xd4/0x110 [ 23.902785][ T299] ? do_syscall_64+0xcb/0x1c0 [ 23.907427][ T299] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.913460][ T299] kernfs_create_dir_ns+0x90/0x220 [ 23.918544][ T299] sysfs_create_dir_ns+0x14e/0x2f0 [ 23.923635][ T299] kobject_add_internal+0x5b5/0xb20 [ 23.928803][ T299] kobject_add+0x100/0x1a0 [ 23.933192][ T299] ? get_device_parent+0x2bd/0x420 [ 23.938392][ T299] device_add+0x3fc/0xbc0 [ 23.942694][ T299] __device_add_disk+0x717/0x1210 [ 23.947772][ T299] loop_add+0x554/0x710 [ 23.951894][ T299] loop_control_ioctl+0x465/0x600 [ 23.956889][ T299] ? loop_remove+0xa0/0xa0 [ 23.961274][ T299] do_vfs_ioctl+0x6d1/0x15b0 [ 23.965836][ T299] __x64_sys_ioctl+0xd4/0x110 [ 23.970494][ T299] do_syscall_64+0xcb/0x1c0 [ 23.974965][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.980833][ T299] RIP: 0033:0x7f4a6b33c079 [ 23.985308][ 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 [ 24.004880][ T299] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.013262][ T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4a6b33c079 [ 24.021207][ T299] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 24.029149][ T299] RBP: 00007ffd4a1440b0 R08: 0000000000000002 R09: 0000000000000001 [ 24.037090][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 24.045039][ T299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.053067][ T299] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 24.060992][ T299] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 24.068832][ T299] ------------[ cut here ]------------ [ 24.074270][ T299] WARNING: CPU: 1 PID: 299 at fs/sysfs/file.c:328 sysfs_create_files+0x1a5/0x370 [ 24.083339][ T299] Modules linked in: [ 24.087210][ T299] CPU: 1 PID: 299 Comm: syz-executor363 Not tainted 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 24.097319][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.107582][ T299] RIP: 0010:sysfs_create_files+0x1a5/0x370 [ 24.113361][ T299] 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 [ 24.132932][ T299] RSP: 0018:ffff8881de9e7c68 EFLAGS: 00010293 [ 24.138965][ T299] RAX: ffffffff81b0c449 RBX: ffff8881e2cf90a0 RCX: ffff8881dfb35e80 [ 24.146904][ T299] RDX: 0000000000000000 RSI: ffffffff85a44780 RDI: ffff8881e2cf9070 [ 24.154841][ T299] RBP: ffff8881e2cf9070 R08: ffffffff8217f1e4 R09: ffffed103bd3cf8b [ 24.162779][ T299] R10: ffffed103bd3cf8b R11: 1ffff1103bd3cf8a R12: 0000000000000000 [ 24.170718][ T299] R13: ffffffff84bd4d60 R14: dffffc0000000000 R15: ffff8881e2cf9000 [ 24.178676][ T299] FS: 0000555557027300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.187567][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.194117][ T299] CR2: 00007f4a6b394144 CR3: 00000001deced000 CR4: 00000000003406e0 [ 24.202060][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.209998][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.217934][ T299] Call Trace: [ 24.221198][ T299] __device_add_disk+0xd16/0x1210 [ 24.226192][ T299] loop_add+0x554/0x710 [ 24.230317][ T299] loop_control_ioctl+0x465/0x600 [ 24.235306][ T299] ? loop_remove+0xa0/0xa0 [ 24.239687][ T299] do_vfs_ioctl+0x6d1/0x15b0 [ 24.244245][ T299] __x64_sys_ioctl+0xd4/0x110 [ 24.248891][ T299] do_syscall_64+0xcb/0x1c0 [ 24.253360][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.259224][ T299] RIP: 0033:0x7f4a6b33c079 [ 24.263614][ 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 [ 24.283183][ T299] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.291559][ T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4a6b33c079 [ 24.299500][ T299] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 24.307436][ T299] RBP: 00007ffd4a1440b0 R08: 0000000000000002 R09: 0000000000000001 [ 24.315383][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 24.323320][ T299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.331258][ T299] ---[ end trace c717db188b6e9501 ]--- [ 24.336735][ T299] ------------[ cut here ]------------ [ 24.342173][ T299] kernfs: can not remove 'events', no directory [ 24.348960][ T299] WARNING: CPU: 1 PID: 299 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 24.358470][ T299] Modules linked in: [ 24.362336][ T299] CPU: 1 PID: 299 Comm: syz-executor363 Tainted: G W 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 24.373833][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.383862][ T299] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 24.389983][ T299] 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 f0 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 [ 24.409553][ T299] RSP: 0018:ffff8881de9e7c48 EFLAGS: 00010246 [ 24.415587][ T299] RAX: fe7e89df14542f00 RBX: 0000000000000000 RCX: ffff8881dfb35e80 [ 24.423527][ T299] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.431465][ T299] RBP: ffffffff84bd4d60 R08: ffffffff814a8aaa R09: ffffed103edeaa08 [ 24.439402][ T299] R10: ffffed103edeaa08 R11: 1ffff1103edeaa07 R12: ffffffff85a44780 [ 24.447338][ T299] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84bd4e20 [ 24.455281][ T299] FS: 0000555557027300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.464177][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.470726][ T299] CR2: 00007f4a6b394144 CR3: 00000001deced000 CR4: 00000000003406e0 [ 24.478668][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.486618][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.494816][ T299] Call Trace: [ 24.498078][ T299] sysfs_create_files+0x31a/0x370 [ 24.503072][ T299] __device_add_disk+0xd16/0x1210 [ 24.508065][ T299] loop_add+0x554/0x710 [ 24.512187][ T299] loop_control_ioctl+0x465/0x600 [ 24.517184][ T299] ? loop_remove+0xa0/0xa0 [ 24.521569][ T299] do_vfs_ioctl+0x6d1/0x15b0 [ 24.526127][ T299] __x64_sys_ioctl+0xd4/0x110 [ 24.530770][ T299] do_syscall_64+0xcb/0x1c0 [ 24.535239][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.541097][ T299] RIP: 0033:0x7f4a6b33c079 [ 24.545479][ 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 [ 24.565050][ T299] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.573424][ T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4a6b33c079 [ 24.581364][ T299] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 24.589302][ T299] RBP: 00007ffd4a1440b0 R08: 0000000000000002 R09: 0000000000000001 [ 24.597327][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 24.605266][ T299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.613232][ T299] ---[ end trace c717db188b6e9502 ]--- [ 24.618728][ T299] loop0: failed to create sysfs files for events [ 24.626655][ T302] ------------[ cut here ]------------ [ 24.632125][ T302] kernfs: can not remove 'events', no directory [ 24.638437][ T302] WARNING: CPU: 0 PID: 302 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 24.647941][ T302] Modules linked in: [ 24.651805][ T302] CPU: 0 PID: 302 Comm: syz-executor363 Tainted: G W 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 24.663301][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.673333][ T302] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 24.679453][ T302] 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 f0 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 [ 24.699023][ T302] RSP: 0018:ffff8881de9e7cd0 EFLAGS: 00010246 [ 24.705062][ T302] RAX: 91029e9cc8fe3800 RBX: 0000000000000000 RCX: ffff8881dfb36e40 [ 24.713000][ T302] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.720938][ T302] RBP: ffffffff85a44780 R08: ffffffff814a8aaa R09: ffffed103edcaa08 [ 24.728876][ T302] R10: ffffed103edcaa08 R11: 1ffff1103edcaa07 R12: 0000000000000000 [ 24.736814][ T302] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84bd4e20 [ 24.744756][ T302] FS: 0000555557027300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.753649][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.760199][ T302] CR2: 00007f4a6b3ad130 CR3: 00000001dee86000 CR4: 00000000003406f0 [ 24.768143][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.776086][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.784023][ T302] Call Trace: [ 24.787289][ T302] sysfs_remove_files+0x99/0xf0 [ 24.792108][ T302] del_gendisk+0x241/0xb60 [ 24.796495][ T302] loop_remove+0x42/0xa0 [ 24.800705][ T302] loop_control_ioctl+0x547/0x600 [ 24.805697][ T302] ? loop_remove+0xa0/0xa0 [ 24.810081][ T302] do_vfs_ioctl+0x6d1/0x15b0 [ 24.814639][ T302] __x64_sys_ioctl+0xd4/0x110 [ 24.819289][ T302] do_syscall_64+0xcb/0x1c0 [ 24.823761][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.829621][ T302] RIP: 0033:0x7f4a6b33c079 [ 24.834002][ T302] 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 [ 24.853572][ T302] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.861952][ T302] RAX: ffffffffffffffda RBX: 0000000000005c78 RCX: 00007f4a6b33c079 [ 24.869893][ T302] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 24.877831][ T302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 24.885773][ T302] R10: 00007ffd4a143b10 R11: 0000000000000246 R12: 00007ffd4a1440ac [ 24.893714][ T302] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.901655][ T302] ---[ end trace c717db188b6e9503 ]--- [ 24.907175][ T302] ------------[ cut here ]------------ [ 24.912657][ T302] kernfs: can not remove 'events_async', no directory [ 24.919531][ T302] WARNING: CPU: 0 PID: 302 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 24.929045][ T302] Modules linked in: [ 24.932922][ T302] CPU: 0 PID: 302 Comm: syz-executor363 Tainted: G W 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 24.944425][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.954463][ T302] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 24.960589][ T302] 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 f0 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 [ 24.980164][ T302] RSP: 0018:ffff8881de9e7cd0 EFLAGS: 00010246 [ 24.986429][ T302] RAX: 91029e9cc8fe3800 RBX: 0000000000000000 RCX: ffff8881dfb36e40 [ 24.994381][ T302] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 25.002338][ T302] RBP: ffffffff85a44780 R08: ffffffff814a8aaa R09: ffffed103bd3cf59 [ 25.010287][ T302] R10: ffffed103bd3cf59 R11: 1ffff1103bd3cf58 R12: 0000000000000000 [ 25.018237][ T302] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84bd4ec0 [ 25.026304][ T302] FS: 0000555557027300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.035222][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.041782][ T302] CR2: 00007f4a6b3ad130 CR3: 00000001dee86000 CR4: 00000000003406f0 [ 25.049728][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.057671][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.065619][ T302] Call Trace: [ 25.068897][ T302] sysfs_remove_files+0x99/0xf0 [ 25.073729][ T302] del_gendisk+0x241/0xb60 [ 25.078122][ T302] loop_remove+0x42/0xa0 [ 25.082354][ T302] loop_control_ioctl+0x547/0x600 [ 25.087350][ T302] ? loop_remove+0xa0/0xa0 [ 25.091741][ T302] do_vfs_ioctl+0x6d1/0x15b0 [ 25.096390][ T302] __x64_sys_ioctl+0xd4/0x110 [ 25.101062][ T302] do_syscall_64+0xcb/0x1c0 [ 25.105546][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.111408][ T302] RIP: 0033:0x7f4a6b33c079 [ 25.115795][ T302] 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 [ 25.135377][ T302] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.143759][ T302] RAX: ffffffffffffffda RBX: 0000000000005c78 RCX: 00007f4a6b33c079 [ 25.151702][ T302] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.159642][ T302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 25.167581][ T302] R10: 00007ffd4a143b10 R11: 0000000000000246 R12: 00007ffd4a1440ac [ 25.175521][ T302] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.183468][ T302] ---[ end trace c717db188b6e9504 ]--- [ 25.189101][ T302] ------------[ cut here ]------------ [ 25.194594][ T302] kernfs: can not remove 'events_poll_msecs', no directory [ 25.201825][ T302] WARNING: CPU: 0 PID: 302 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 25.211328][ T302] Modules linked in: [ 25.215204][ T302] CPU: 0 PID: 302 Comm: syz-executor363 Tainted: G W 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 25.226702][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.236734][ T302] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 25.242854][ T302] 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 f0 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 [ 25.262444][ T302] RSP: 0018:ffff8881de9e7cd0 EFLAGS: 00010246 [ 25.268476][ T302] RAX: 91029e9cc8fe3800 RBX: 0000000000000000 RCX: ffff8881dfb36e40 [ 25.276414][ T302] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 25.284354][ T302] RBP: ffffffff85a44780 R08: ffffffff814a8aaa R09: ffffed103edc52b2 [ 25.292293][ T302] R10: ffffed103edc52b2 R11: 1ffff1103edc52b1 R12: 0000000000000000 [ 25.300231][ T302] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84bd4ee0 [ 25.308173][ T302] FS: 0000555557027300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.317065][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.323616][ T302] CR2: 00007f4a6b3ad130 CR3: 00000001dee86000 CR4: 00000000003406f0 [ 25.331558][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.339501][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.347439][ T302] Call Trace: [ 25.350701][ T302] sysfs_remove_files+0x99/0xf0 [ 25.355520][ T302] del_gendisk+0x241/0xb60 [ 25.359906][ T302] loop_remove+0x42/0xa0 [ 25.364118][ T302] loop_control_ioctl+0x547/0x600 [ 25.369111][ T302] ? loop_remove+0xa0/0xa0 [ 25.373495][ T302] do_vfs_ioctl+0x6d1/0x15b0 [ 25.378055][ T302] __x64_sys_ioctl+0xd4/0x110 [ 25.382705][ T302] do_syscall_64+0xcb/0x1c0 [ 25.387177][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.393036][ T302] RIP: 0033:0x7f4a6b33c079 [ 25.397418][ T302] 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 [ 25.416993][ T302] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.425367][ T302] RAX: ffffffffffffffda RBX: 0000000000005c78 RCX: 00007f4a6b33c079 [ 25.433393][ T302] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.441334][ T302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 25.449363][ T302] R10: 00007ffd4a143b10 R11: 0000000000000246 R12: 00007ffd4a1440ac [ 25.457303][ T302] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.465247][ T302] ---[ end trace c717db188b6e9505 ]--- [ 25.470809][ T302] ------------[ cut here ]------------ [ 25.476300][ T302] kernfs: can not remove 'bdi', no directory [ 25.482311][ T302] WARNING: CPU: 0 PID: 302 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 25.491810][ T302] Modules linked in: [ 25.495675][ T302] CPU: 0 PID: 302 Comm: syz-executor363 Tainted: G W 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 25.507259][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.517292][ T302] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 25.523412][ T302] 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 f0 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 [ 25.542983][ T302] RSP: 0018:ffff8881de9e7d10 EFLAGS: 00010246 [ 25.549019][ T302] RAX: 91029e9cc8fe3800 RBX: 0000000000000000 RCX: ffff8881dfb36e40 [ 25.556959][ T302] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 25.564899][ T302] RBP: 0000000000000000 R08: ffffffff814a8aaa R09: ffffed103edc52b2 [ 25.572845][ T302] R10: ffffed103edc52b2 R11: 1ffff1103edc52b1 R12: 1ffff1103c59f200 [ 25.580793][ T302] R13: ffff8881e2cf94e8 R14: 0000000000000000 R15: ffffffff84bd4980 [ 25.588733][ T302] FS: 0000555557027300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.597627][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.604182][ T302] CR2: 00007f4a6b3ad130 CR3: 00000001dee86000 CR4: 00000000003406f0 [ 25.612123][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.620064][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.628003][ T302] Call Trace: [ 25.631265][ T302] del_gendisk+0x533/0xb60 [ 25.635650][ T302] loop_remove+0x42/0xa0 [ 25.639860][ T302] loop_control_ioctl+0x547/0x600 [ 25.644851][ T302] ? loop_remove+0xa0/0xa0 [ 25.649234][ T302] do_vfs_ioctl+0x6d1/0x15b0 [ 25.653794][ T302] __x64_sys_ioctl+0xd4/0x110 [ 25.658441][ T302] do_syscall_64+0xcb/0x1c0 [ 25.662913][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.668776][ T302] RIP: 0033:0x7f4a6b33c079 [ 25.673160][ T302] 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 [ 25.692731][ T302] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.701194][ T302] RAX: ffffffffffffffda RBX: 0000000000005c78 RCX: 00007f4a6b33c079 [ 25.709136][ T302] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.717073][ T302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 25.725016][ T302] R10: 00007ffd4a143b10 R11: 0000000000000246 R12: 00007ffd4a1440ac [ 25.732955][ T302] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.740900][ T302] ---[ end trace c717db188b6e9506 ]--- [ 25.747406][ T302] stack segment: 0000 [#1] PREEMPT SMP KASAN [ 25.753377][ T302] CPU: 0 PID: 302 Comm: syz-executor363 Tainted: G W 5.4.180-syzkaller-00007-g4b9ad0dbd7ec #0 [ 25.764877][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.774909][ T302] RIP: 0010:device_del+0x9f/0xf40 [ 25.779903][ T302] 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 [ 25.799481][ T302] RSP: 0018:ffff8881de9e7cb8 EFLAGS: 00010202 [ 25.805514][ T302] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103c59f21b [ 25.813455][ T302] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de9e7c78 [ 25.821397][ T302] RBP: 0000000000000019 R08: dffffc0000000000 R09: ffffed103bd3cf90 [ 25.829341][ T302] R10: ffffed103bd3cf90 R11: 1ffff1103bd3cf8f R12: ffff8881e2cf90d8 [ 25.837283][ T302] R13: ffff8881e2cf9070 R14: ffff8881e2cf9110 R15: 00000000000000c8 [ 25.845226][ T302] FS: 0000555557027300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.854121][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.860675][ T302] CR2: 00007f4a6b3ad130 CR3: 00000001dee86000 CR4: 00000000003406f0 [ 25.868621][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.876560][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.884499][ T302] Call Trace: [ 25.887762][ T302] ? pm_runtime_set_memalloc_noio+0x20c/0x280 [ 25.893798][ T302] del_gendisk+0x93f/0xb60 [ 25.898188][ T302] loop_remove+0x42/0xa0 [ 25.902403][ T302] loop_control_ioctl+0x547/0x600 [ 25.907399][ T302] ? loop_remove+0xa0/0xa0 [ 25.911785][ T302] do_vfs_ioctl+0x6d1/0x15b0 [ 25.916346][ T302] __x64_sys_ioctl+0xd4/0x110 [ 25.920993][ T302] do_syscall_64+0xcb/0x1c0 [ 25.925464][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.931323][ T302] RIP: 0033:0x7f4a6b33c079 [ 25.935709][ T302] 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 [ 25.955280][ T302] RSP: 002b:00007ffd4a144098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.963658][ T302] RAX: ffffffffffffffda RBX: 0000000000005c78 RCX: 00007f4a6b33c079 [ 25.971609][ T302] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.979548][ T302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 25.987489][ T302] R10: 00007ffd4a143b10 R11: 0000000000000246 R12: 00007ffd4a1440ac [ 25.995431][ T302] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 26.003372][ T302] Modules linked in: [ 26.007326][ T302] ---[ end trace c717db188b6e9507 ]--- [ 26.012807][ T302] RIP: 0010:device_del+0x9f/0xf40 [ 26.017908][ T302] 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 [ 26.037552][ T302] RSP: 0018:ffff8881de9e7cb8 EFLAGS: 00010202 [ 26.043609][ T302] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103c59f21b [ 26.051721][ T302] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de9e7c78 [ 26.059718][ T302] RBP: 0000000000000019 R08: dffffc0000000000 R09: ffffed103bd3cf90 [ 26.067706][ T302] R10: ffffed103bd3cf90 R11: 1ffff1103bd3cf8f R12: ffff8881e2cf90d8 [ 26.075696][ T302] R13: ffff8881e2cf9070 R14: ffff8881e2cf9110 R15: 00000000000000c8 [ 26.083667][ T302] FS: 0000555557027300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.092790][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.099437][ T302] CR2: 00007f4a6b3ad130 CR3: 00000001dee86000 CR4: 00000000003406f0 [ 26.107454][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.115463][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.123431][ T302] Kernel panic - not syncing: Fatal exception [ 26.129640][ T302] Kernel Offset: disabled [ 26.133942][ T302] Rebooting in 86400 seconds..