Warning: Permanently added '10.128.1.48' (ECDSA) to the list of known hosts. executing program [ 26.161998][ T22] audit: type=1400 audit(1640022503.459:73): avc: denied { execmem } for pid=298 comm="syz-executor625" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 26.182888][ T22] audit: type=1400 audit(1640022503.489:74): avc: denied { read } for pid=299 comm="syz-executor625" name="loop-control" dev="devtmpfs" ino=9364 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 26.207619][ T22] audit: type=1400 audit(1640022503.489:75): avc: denied { open } for pid=299 comm="syz-executor625" path="/dev/loop-control" dev="devtmpfs" ino=9364 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 26.232715][ T22] audit: type=1400 audit(1640022503.489:76): avc: denied { ioctl } for pid=299 comm="syz-executor625" path="/dev/loop-control" dev="devtmpfs" ino=9364 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 26.268211][ T299] FAULT_INJECTION: forcing a failure. [ 26.268211][ T299] name failslab, interval 1, probability 0, space 0, times 1 [ 26.281798][ T299] CPU: 1 PID: 299 Comm: syz-executor625 Not tainted 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 26.291922][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.301951][ T299] Call Trace: [ 26.305216][ T299] dump_stack+0x18e/0x1de [ 26.309517][ T299] should_fail+0x5d8/0x740 [ 26.313903][ T299] ? kobj_map+0x70/0x650 [ 26.318117][ T299] should_failslab+0x5/0x20 [ 26.322596][ T299] __kmalloc+0x5f/0x2f0 [ 26.326720][ T299] kobj_map+0x70/0x650 [ 26.330766][ T299] ? exact_match+0x10/0x10 [ 26.335147][ T299] ? refcount_inc_checked+0x1a/0x50 [ 26.340399][ T299] ? disk_check_events+0x580/0x580 [ 26.345475][ T299] __device_add_disk+0x5ff/0x1220 [ 26.350466][ T299] loop_add+0x554/0x710 [ 26.354599][ T299] loop_control_ioctl+0x468/0x680 [ 26.359594][ T299] ? xor_init+0x60/0x60 [ 26.363716][ T299] do_vfs_ioctl+0x6fb/0x15b0 [ 26.368272][ T299] __x64_sys_ioctl+0xd4/0x110 [ 26.373065][ T299] do_syscall_64+0xcb/0x1e0 [ 26.377571][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.383438][ T299] RIP: 0033:0x7f80bedeb079 [ 26.387830][ 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 [ 26.407402][ T299] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 26.415785][ T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80bedeb079 [ 26.423738][ T299] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 26.431690][ T299] RBP: 00007ffc7f376470 R08: 0000000000000002 R09: 0000000000000001 [ 26.439639][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 26.447578][ T299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 26.508936][ T302] FAULT_INJECTION: forcing a failure. [ 26.508936][ T302] name failslab, interval 1, probability 0, space 0, times 0 [ 26.521673][ T302] CPU: 0 PID: 302 Comm: syz-executor625 Not tainted 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 26.531786][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.541831][ T302] Call Trace: [ 26.545091][ T302] dump_stack+0x18e/0x1de [ 26.549391][ T302] should_fail+0x5d8/0x740 [ 26.553778][ T302] ? kobj_map+0x70/0x650 [ 26.557987][ T302] should_failslab+0x5/0x20 [ 26.562455][ T302] __kmalloc+0x5f/0x2f0 [ 26.566590][ T302] kobj_map+0x70/0x650 [ 26.570630][ T302] ? exact_match+0x10/0x10 [ 26.575014][ T302] ? refcount_inc_checked+0x1a/0x50 [ 26.580178][ T302] ? disk_check_events+0x580/0x580 [ 26.585256][ T302] __device_add_disk+0x5ff/0x1220 [ 26.590250][ T302] loop_add+0x554/0x710 [ 26.594384][ T302] loop_control_ioctl+0x468/0x680 [ 26.599382][ T302] ? xor_init+0x60/0x60 [ 26.603517][ T302] do_vfs_ioctl+0x6fb/0x15b0 [ 26.608233][ T302] __x64_sys_ioctl+0xd4/0x110 [ 26.612882][ T302] do_syscall_64+0xcb/0x1e0 [ 26.617354][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.623216][ T302] RIP: 0033:0x7f80bedeb079 [ 26.627610][ 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 [ 26.647182][ T302] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 26.655558][ T302] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80bedeb079 [ 26.663496][ T302] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 26.671441][ T302] RBP: 00007ffc7f376470 R08: 0000000000000002 R09: 0000000000000001 [ 26.679556][ T302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 26.687494][ T302] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 26.749421][ T303] FAULT_INJECTION: forcing a failure. [ 26.749421][ T303] name failslab, interval 1, probability 0, space 0, times 0 [ 26.762051][ T303] CPU: 1 PID: 303 Comm: syz-executor625 Not tainted 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 26.772165][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.782188][ T303] Call Trace: [ 26.785621][ T303] dump_stack+0x18e/0x1de [ 26.789917][ T303] should_fail+0x5d8/0x740 [ 26.795086][ T303] ? kobject_set_name_vargs+0x5d/0x110 [ 26.800512][ T303] should_failslab+0x5/0x20 [ 26.804984][ T303] __kmalloc_track_caller+0x5d/0x2e0 [ 26.810241][ T303] kstrdup_const+0x51/0x90 [ 26.814624][ T303] kobject_set_name_vargs+0x5d/0x110 [ 26.819880][ T303] dev_set_name+0x80/0xa0 [ 26.824173][ T303] ? kobj_map+0x61e/0x650 [ 26.828528][ T303] __device_add_disk+0x678/0x1220 [ 26.833525][ T303] loop_add+0x554/0x710 [ 26.837656][ T303] loop_control_ioctl+0x468/0x680 [ 26.842647][ T303] ? xor_init+0x60/0x60 [ 26.846770][ T303] do_vfs_ioctl+0x6fb/0x15b0 [ 26.851328][ T303] __x64_sys_ioctl+0xd4/0x110 [ 26.855972][ T303] do_syscall_64+0xcb/0x1e0 [ 26.860444][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.866300][ T303] RIP: 0033:0x7f80bedeb079 [ 26.870681][ 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 [ 26.890251][ T303] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 26.898624][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80bedeb079 [ 26.906566][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 26.914519][ T303] RBP: 00007ffc7f376470 R08: 0000000000000002 R09: 0000000000000001 [ 26.922461][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 26.930400][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 26.938445][ T303] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 26.946381][ T303] ------------[ cut here ]------------ [ 26.951812][ T303] WARNING: CPU: 1 PID: 303 at fs/sysfs/file.c:328 sysfs_create_files+0x1ef/0x380 [ 26.960877][ T303] Modules linked in: [ 26.964743][ T303] CPU: 1 PID: 303 Comm: syz-executor625 Not tainted 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 26.974852][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.984877][ T303] RIP: 0010:sysfs_create_files+0x1ef/0x380 [ 26.990647][ T303] Code: 85 ed 0f 84 a4 00 00 00 e8 9e 92 ae ff 89 eb 48 8b 6c 24 10 4c 8b 7c 24 28 e9 ad fe ff ff e8 88 92 ae ff eb 05 e8 81 92 ae ff <0f> 0b 41 bc ea ff ff ff eb 8d 3c 03 0f 8f a1 fe ff ff 48 8d 7c 24 [ 27.010216][ T303] RSP: 0018:ffff8881de577c68 EFLAGS: 00010293 [ 27.016249][ T303] RAX: ffffffff81b23e3f RBX: 0000000000000000 RCX: ffff8881debe8fc0 [ 27.024188][ T303] RDX: 0000000000000000 RSI: ffffffff85e469a0 RDI: ffff8881debf2070 [ 27.032129][ T303] RBP: ffff8881debf20a0 R08: ffffffff821b2d0c R09: ffffed103bcaef8b [ 27.040069][ T303] R10: ffffed103bcaef8b R11: 0000000000000000 R12: dffffc0000000000 [ 27.048007][ T303] R13: ffffffff84e29540 R14: dffffc0000000000 R15: ffff8881debf2070 [ 27.055945][ T303] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.064844][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.071403][ T303] CR2: 00007f80bee1a9b0 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 27.079342][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.087282][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.095220][ T303] Call Trace: [ 27.098483][ T303] __device_add_disk+0xced/0x1220 [ 27.103478][ T303] loop_add+0x554/0x710 [ 27.107606][ T303] loop_control_ioctl+0x468/0x680 [ 27.112598][ T303] ? xor_init+0x60/0x60 [ 27.116722][ T303] do_vfs_ioctl+0x6fb/0x15b0 [ 27.121278][ T303] __x64_sys_ioctl+0xd4/0x110 [ 27.125923][ T303] do_syscall_64+0xcb/0x1e0 [ 27.130394][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.136262][ T303] RIP: 0033:0x7f80bedeb079 [ 27.140730][ 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 [ 27.160300][ T303] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 27.168678][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80bedeb079 [ 27.176617][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 27.184557][ T303] RBP: 00007ffc7f376470 R08: 0000000000000002 R09: 0000000000000001 [ 27.192497][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 27.200436][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 27.208375][ T303] ---[ end trace bc09616a01caeb45 ]--- [ 27.213876][ T303] ------------[ cut here ]------------ [ 27.219478][ T303] kernfs: can not remove 'events', no directory [ 27.225766][ T303] WARNING: CPU: 1 PID: 303 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 27.235272][ T303] Modules linked in: [ 27.239149][ T303] CPU: 1 PID: 303 Comm: syz-executor625 Tainted: G W 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 27.250649][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.260684][ T303] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 27.266807][ T303] Code: 48 89 c3 e8 41 ee ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 30 ee ae ff 48 c7 c7 c0 c1 cb 84 4c 89 fe 31 c0 e8 9f 73 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 11 ee ae ff bb fe ff ff ff 48 c7 c7 [ 27.286378][ T303] RSP: 0018:ffff8881de577c48 EFLAGS: 00010246 [ 27.292409][ T303] RAX: b4945817cf710300 RBX: 0000000000000000 RCX: ffff8881debe8fc0 [ 27.300347][ T303] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 27.308287][ T303] RBP: ffffffff84e29540 R08: ffffffff814b2bac R09: ffffed103ede3eb2 [ 27.316277][ T303] R10: ffffed103ede3eb2 R11: 0000000000000000 R12: 00000000ffffffea [ 27.324215][ T303] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84e29600 [ 27.332155][ T303] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.341105][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.347657][ T303] CR2: 00007f80bee1a9b0 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 27.355599][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.363540][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.371477][ T303] Call Trace: [ 27.374740][ T303] sysfs_create_files+0x321/0x380 [ 27.379735][ T303] __device_add_disk+0xced/0x1220 [ 27.384729][ T303] loop_add+0x554/0x710 [ 27.388856][ T303] loop_control_ioctl+0x468/0x680 [ 27.393863][ T303] ? xor_init+0x60/0x60 [ 27.397994][ T303] do_vfs_ioctl+0x6fb/0x15b0 [ 27.402564][ T303] __x64_sys_ioctl+0xd4/0x110 [ 27.407222][ T303] do_syscall_64+0xcb/0x1e0 [ 27.411706][ T303] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.417572][ T303] RIP: 0033:0x7f80bedeb079 [ 27.422059][ 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 [ 27.441631][ T303] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 27.450014][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80bedeb079 [ 27.457962][ T303] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 27.465904][ T303] RBP: 00007ffc7f376470 R08: 0000000000000002 R09: 0000000000000001 [ 27.473843][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 27.481784][ T303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 27.489741][ T303] ---[ end trace bc09616a01caeb46 ]--- [ 27.495830][ T303] loop0: failed to create sysfs files for events [ 27.504100][ T304] ------------[ cut here ]------------ [ 27.509591][ T304] kernfs: can not remove 'events', no directory [ 27.515873][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 27.525446][ T304] Modules linked in: [ 27.529322][ T304] CPU: 1 PID: 304 Comm: syz-executor625 Tainted: G W 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 27.540824][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.550862][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 27.556984][ T304] Code: 48 89 c3 e8 41 ee ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 30 ee ae ff 48 c7 c7 c0 c1 cb 84 4c 89 fe 31 c0 e8 9f 73 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 11 ee ae ff bb fe ff ff ff 48 c7 c7 [ 27.576556][ T304] RSP: 0018:ffff8881de577cf8 EFLAGS: 00010246 [ 27.582590][ T304] RAX: b9671335a834c400 RBX: 0000000000000000 RCX: ffff8881debecec0 [ 27.590533][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 27.598479][ T304] RBP: ffffffff85e469a0 R08: ffffffff814b2bac R09: ffffed103ede9608 [ 27.606436][ T304] R10: ffffed103ede9608 R11: 0000000000000000 R12: 0000000000000000 [ 27.614383][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84e29600 [ 27.622332][ T304] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.631229][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.637792][ T304] CR2: 00007f80bee5c130 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 27.645737][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.653680][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.661621][ T304] Call Trace: [ 27.664888][ T304] sysfs_remove_files+0x99/0xf0 [ 27.669711][ T304] del_gendisk+0x259/0xb70 [ 27.674105][ T304] ? radix_tree_delete_item+0x22a/0x320 [ 27.679624][ T304] loop_control_ioctl+0x563/0x680 [ 27.684615][ T304] ? xor_init+0x60/0x60 [ 27.688741][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 27.693299][ T304] __x64_sys_ioctl+0xd4/0x110 [ 27.697944][ T304] do_syscall_64+0xcb/0x1e0 [ 27.702416][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.708290][ T304] RIP: 0033:0x7f80bedeb079 [ 27.712675][ 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 [ 27.732243][ T304] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 27.740616][ T304] RAX: ffffffffffffffda RBX: 0000000000006836 RCX: 00007f80bedeb079 [ 27.748558][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 27.756584][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 27.764529][ T304] R10: 00007ffc7f375ed0 R11: 0000000000000246 R12: 00007ffc7f37646c [ 27.772466][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 27.780424][ T304] ---[ end trace bc09616a01caeb47 ]--- [ 27.785952][ T304] ------------[ cut here ]------------ [ 27.791441][ T304] kernfs: can not remove 'events_async', no directory [ 27.798392][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 27.807901][ T304] Modules linked in: [ 27.811767][ T304] CPU: 1 PID: 304 Comm: syz-executor625 Tainted: G W 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 27.823266][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.833298][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 27.839421][ T304] Code: 48 89 c3 e8 41 ee ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 30 ee ae ff 48 c7 c7 c0 c1 cb 84 4c 89 fe 31 c0 e8 9f 73 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 11 ee ae ff bb fe ff ff ff 48 c7 c7 [ 27.858993][ T304] RSP: 0018:ffff8881de577cf8 EFLAGS: 00010246 [ 27.865024][ T304] RAX: b9671335a834c400 RBX: 0000000000000000 RCX: ffff8881debecec0 [ 27.872979][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 27.880918][ T304] RBP: ffffffff85e469a0 R08: ffffffff814b2bac R09: ffffed103ede9608 [ 27.888856][ T304] R10: ffffed103ede9608 R11: 0000000000000000 R12: 0000000000000000 [ 27.896793][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84e29740 [ 27.905253][ T304] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.914143][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.920695][ T304] CR2: 00007f80bee5c130 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 27.928651][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.936589][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.944615][ T304] Call Trace: [ 27.947872][ T304] sysfs_remove_files+0x99/0xf0 [ 27.952690][ T304] del_gendisk+0x259/0xb70 [ 27.957070][ T304] ? radix_tree_delete_item+0x22a/0x320 [ 27.962588][ T304] loop_control_ioctl+0x563/0x680 [ 27.967578][ T304] ? xor_init+0x60/0x60 [ 27.971713][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 27.976273][ T304] __x64_sys_ioctl+0xd4/0x110 [ 27.980937][ T304] do_syscall_64+0xcb/0x1e0 [ 27.985440][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.991298][ T304] RIP: 0033:0x7f80bedeb079 [ 27.995679][ 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 [ 28.015334][ T304] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.023707][ T304] RAX: ffffffffffffffda RBX: 0000000000006836 RCX: 00007f80bedeb079 [ 28.031645][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 28.039582][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 28.047521][ T304] R10: 00007ffc7f375ed0 R11: 0000000000000246 R12: 00007ffc7f37646c [ 28.055459][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.063401][ T304] ---[ end trace bc09616a01caeb48 ]--- [ 28.068899][ T304] ------------[ cut here ]------------ [ 28.074364][ T304] kernfs: can not remove 'events_poll_msecs', no directory [ 28.081640][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 28.091146][ T304] Modules linked in: [ 28.095013][ T304] CPU: 1 PID: 304 Comm: syz-executor625 Tainted: G W 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 28.106510][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.116541][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 28.122759][ T304] Code: 48 89 c3 e8 41 ee ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 30 ee ae ff 48 c7 c7 c0 c1 cb 84 4c 89 fe 31 c0 e8 9f 73 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 11 ee ae ff bb fe ff ff ff 48 c7 c7 [ 28.142337][ T304] RSP: 0018:ffff8881de577cf8 EFLAGS: 00010246 [ 28.148370][ T304] RAX: b9671335a834c400 RBX: 0000000000000000 RCX: ffff8881debecec0 [ 28.156316][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 28.164260][ T304] RBP: ffffffff85e469a0 R08: ffffffff814b2bac R09: ffffed103bcaef5b [ 28.172201][ T304] R10: ffffed103bcaef5b R11: 0000000000000000 R12: 0000000000000000 [ 28.180172][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84e29780 [ 28.188117][ T304] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.197021][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.203577][ T304] CR2: 00007f80bee5c130 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 28.211521][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.219467][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.227411][ T304] Call Trace: [ 28.230762][ T304] sysfs_remove_files+0x99/0xf0 [ 28.235581][ T304] del_gendisk+0x259/0xb70 [ 28.239968][ T304] ? radix_tree_delete_item+0x22a/0x320 [ 28.245480][ T304] loop_control_ioctl+0x563/0x680 [ 28.250471][ T304] ? xor_init+0x60/0x60 [ 28.254595][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 28.259157][ T304] __x64_sys_ioctl+0xd4/0x110 [ 28.263856][ T304] do_syscall_64+0xcb/0x1e0 [ 28.268328][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.274188][ T304] RIP: 0033:0x7f80bedeb079 [ 28.278572][ 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 [ 28.298141][ T304] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.306518][ T304] RAX: ffffffffffffffda RBX: 0000000000006836 RCX: 00007f80bedeb079 [ 28.314556][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 28.322496][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 28.330435][ T304] R10: 00007ffc7f375ed0 R11: 0000000000000246 R12: 00007ffc7f37646c [ 28.338372][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.346315][ T304] ---[ end trace bc09616a01caeb49 ]--- [ 28.351879][ T304] ------------[ cut here ]------------ [ 28.357380][ T304] kernfs: can not remove 'bdi', no directory [ 28.363425][ T304] WARNING: CPU: 1 PID: 304 at fs/kernfs/dir.c:1504 kernfs_remove_by_name_ns+0x61/0x90 [ 28.372933][ T304] Modules linked in: [ 28.376804][ T304] CPU: 1 PID: 304 Comm: syz-executor625 Tainted: G W 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 28.388312][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.398353][ T304] RIP: 0010:kernfs_remove_by_name_ns+0x61/0x90 [ 28.404479][ T304] Code: 48 89 c3 e8 41 ee ae ff 48 89 df e8 b9 f0 ff ff 31 db eb 29 e8 30 ee ae ff 48 c7 c7 c0 c1 cb 84 4c 89 fe 31 c0 e8 9f 73 88 ff <0f> 0b bb fe ff ff ff eb 16 e8 11 ee ae ff bb fe ff ff ff 48 c7 c7 [ 28.424049][ T304] RSP: 0018:ffff8881de577d38 EFLAGS: 00010246 [ 28.430082][ T304] RAX: b9671335a834c400 RBX: 0000000000000000 RCX: ffff8881debecec0 [ 28.438022][ T304] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 28.445964][ T304] RBP: 0000000000000000 R08: ffffffff814b2bac R09: ffffed103ede3eb2 [ 28.453906][ T304] R10: ffffed103ede3eb2 R11: 0000000000000000 R12: 1ffff1103bd7e400 [ 28.461851][ T304] R13: ffff8881debf24e8 R14: 0000000000000000 R15: ffffffff84e29020 [ 28.469790][ T304] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.478682][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.485236][ T304] CR2: 00007f80bee5c130 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 28.493181][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.501122][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.509059][ T304] Call Trace: [ 28.512323][ T304] del_gendisk+0x543/0xb70 [ 28.516729][ T304] loop_control_ioctl+0x563/0x680 [ 28.521724][ T304] ? xor_init+0x60/0x60 [ 28.525853][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 28.530413][ T304] __x64_sys_ioctl+0xd4/0x110 [ 28.535055][ T304] do_syscall_64+0xcb/0x1e0 [ 28.539528][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.545387][ T304] RIP: 0033:0x7f80bedeb079 [ 28.549772][ 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 [ 28.569342][ T304] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.577738][ T304] RAX: ffffffffffffffda RBX: 0000000000006836 RCX: 00007f80bedeb079 [ 28.585679][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 28.593617][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 28.601555][ T304] R10: 00007ffc7f375ed0 R11: 0000000000000246 R12: 00007ffc7f37646c [ 28.609496][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.617443][ T304] ---[ end trace bc09616a01caeb4a ]--- [ 28.623978][ T304] kasan: CONFIG_KASAN_INLINE enabled [ 28.629315][ T304] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.637424][ T304] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 28.644338][ T304] CPU: 1 PID: 304 Comm: syz-executor625 Tainted: G W 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 [ 28.655834][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.665863][ T304] RIP: 0010:strlen+0x27/0x60 [ 28.670418][ T304] Code: 0f 1f 00 41 57 41 56 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df 48 89 f8 66 66 2e 0f 1f 84 00 00 00 00 00 48 89 c3 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 0b 48 8d 43 01 80 3b 00 75 e7 eb 13 89 d9 [ 28.689987][ T304] RSP: 0018:ffff8881de577cd0 EFLAGS: 00010246 [ 28.696019][ T304] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 28.703959][ T304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.711903][ T304] RBP: 0000000000000000 R08: ffffffff81b1b57b R09: ffffed103bcaefa0 [ 28.719840][ T304] R10: ffffed103bcaefa0 R11: 0000000000000000 R12: ffff8881f18e4640 [ 28.727780][ T304] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 28.735720][ T304] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.744613][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.751164][ T304] CR2: 00007f80bee5c130 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 28.759106][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.767146][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.775095][ T304] Call Trace: [ 28.778354][ T304] kernfs_find_ns+0x83/0x430 [ 28.782911][ T304] ? mutex_lock+0x6c/0xc0 [ 28.787221][ T304] kernfs_remove_by_name_ns+0x32/0x90 [ 28.792559][ T304] del_gendisk+0x93d/0xb70 [ 28.796958][ T304] loop_control_ioctl+0x563/0x680 [ 28.801950][ T304] ? xor_init+0x60/0x60 [ 28.806071][ T304] do_vfs_ioctl+0x6fb/0x15b0 [ 28.810631][ T304] __x64_sys_ioctl+0xd4/0x110 [ 28.815276][ T304] do_syscall_64+0xcb/0x1e0 [ 28.819749][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.825607][ T304] RIP: 0033:0x7f80bedeb079 [ 28.830012][ 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 [ 28.849581][ T304] RSP: 002b:00007ffc7f376458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.857955][ T304] RAX: ffffffffffffffda RBX: 0000000000006836 RCX: 00007f80bedeb079 [ 28.865893][ T304] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 28.873836][ T304] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 28.881775][ T304] R10: 00007ffc7f375ed0 R11: 0000000000000246 R12: 00007ffc7f37646c [ 28.889717][ T304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.897659][ T304] Modules linked in: [ 28.901617][ T304] ---[ end trace bc09616a01caeb4b ]--- [ 28.907304][ T304] RIP: 0010:strlen+0x27/0x60 [ 28.911868][ T304] Code: 0f 1f 00 41 57 41 56 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df 48 89 f8 66 66 2e 0f 1f 84 00 00 00 00 00 48 89 c3 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 0b 48 8d 43 01 80 3b 00 75 e7 eb 13 89 d9 [ 28.931470][ T304] RSP: 0018:ffff8881de577cd0 EFLAGS: 00010246 [ 28.937538][ T304] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 28.945479][ T304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.953461][ T304] RBP: 0000000000000000 R08: ffffffff81b1b57b R09: ffffed103bcaefa0 [ 28.961425][ T304] R10: ffffed103bcaefa0 R11: 0000000000000000 R12: ffff8881f18e4640 [ 28.969390][ T304] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 28.977352][ T304] FS: 0000555555d28300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.986251][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.992829][ T304] CR2: 00007f80bee5c130 CR3: 00000001de43a000 CR4: 00000000003406e0 [ 29.000796][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.008758][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.016720][ T304] Kernel panic - not syncing: Fatal exception [ 29.023013][ T304] Kernel Offset: disabled [ 29.027312][ T304] Rebooting in 86400 seconds..