[ 11.595579][ T23] audit: type=1400 audit(1651020680.050:71): avc: denied { transition } for pid=290 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 [ 11.601483][ T23] audit: type=1400 audit(1651020680.050:72): avc: denied { write } for pid=290 comm="sh" path="pipe:[362]" dev="pipefs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 11.639763][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 11.770325][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #88!!! [ 11.772874][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #88!!! [ 11.777348][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 11.780400][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #288!!! [ 11.783849][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 11.787478][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 12.149698][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program [ 22.566681][ T23] audit: type=1400 audit(1651020691.010:73): avc: denied { execmem } for pid=365 comm="syz-executor222" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.570801][ T23] audit: type=1400 audit(1651020691.020:74): avc: denied { read } for pid=366 comm="syz-executor222" name="loop-control" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 22.574749][ T23] audit: type=1400 audit(1651020691.020:75): avc: denied { open } for pid=366 comm="syz-executor222" path="/dev/loop-control" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 22.579498][ T23] audit: type=1400 audit(1651020691.020:76): avc: denied { ioctl } for pid=366 comm="syz-executor222" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 22.611246][ T366] FAULT_INJECTION: forcing a failure. [ 22.611246][ T366] name failslab, interval 1, probability 0, space 0, times 1 [ 22.623894][ T366] CPU: 1 PID: 366 Comm: syz-executor222 Not tainted 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 22.634111][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.644143][ T366] Call Trace: [ 22.647413][ T366] dump_stack_lvl+0x1e2/0x24b [ 22.652067][ T366] ? panic+0x7d7/0x7d7 [ 22.656111][ T366] ? bfq_pos_tree_add_move+0x43e/0x43e [ 22.661543][ T366] ? selinux_kernfs_init_security+0x1a8/0x760 [ 22.667586][ T366] dump_stack+0x15/0x17 [ 22.671715][ T366] should_fail+0x3c0/0x510 [ 22.676135][ T366] __should_failslab+0x9f/0xe0 [ 22.680877][ T366] should_failslab+0x9/0x20 [ 22.685438][ T366] kmem_cache_alloc+0x3f/0x300 [ 22.690174][ T366] ? __kernfs_new_node+0xdb/0x6e0 [ 22.695170][ T366] __kernfs_new_node+0xdb/0x6e0 [ 22.699994][ T366] ? mutex_trylock+0xb0/0xb0 [ 22.704556][ T366] ? kernfs_new_node+0x170/0x170 [ 22.709462][ T366] ? __kasan_check_write+0x14/0x20 [ 22.714544][ T366] ? mutex_unlock+0x1d/0x40 [ 22.719016][ T366] ? kernfs_activate+0x409/0x420 [ 22.723925][ T366] kernfs_new_node+0x97/0x170 [ 22.728581][ T366] __kernfs_create_file+0x4a/0x270 [ 22.733661][ T366] sysfs_add_file_mode_ns+0x273/0x320 [ 22.739179][ T366] internal_create_group+0x55e/0xf50 [ 22.744433][ T366] ? sysfs_create_group+0x30/0x30 [ 22.749430][ T366] ? kernfs_put+0x48/0x540 [ 22.753815][ T366] ? kernfs_create_link+0x1a0/0x210 [ 22.758982][ T366] sysfs_create_groups+0x5d/0x130 [ 22.763974][ T366] device_add_attrs+0xd3/0x3e0 [ 22.768709][ T366] ? device_add_class_symlinks+0x27c/0x2a0 [ 22.774482][ T366] device_add+0x4e6/0xbd0 [ 22.778788][ T366] __device_add_disk+0x77d/0x11d0 [ 22.783782][ T366] ? device_add_disk+0x40/0x40 [ 22.788517][ T366] ? vsprintf+0x40/0x40 [ 22.792643][ T366] device_add_disk+0x2a/0x40 [ 22.797206][ T366] loop_add+0x58f/0x760 [ 22.801332][ T366] loop_control_ioctl+0x564/0x740 [ 22.806325][ T366] ? loop_remove+0xb0/0xb0 [ 22.810711][ T366] ? __fdget_pos+0x27e/0x310 [ 22.815276][ T366] ? ksys_write+0x24e/0x2c0 [ 22.819755][ T366] ? security_file_ioctl+0xb1/0xd0 [ 22.824840][ T366] ? loop_remove+0xb0/0xb0 [ 22.829253][ T366] __se_sys_ioctl+0x115/0x190 [ 22.833903][ T366] __x64_sys_ioctl+0x7b/0x90 [ 22.838729][ T366] do_syscall_64+0x34/0x70 [ 22.843116][ T366] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.849066][ T366] RIP: 0033:0x7fda9370e079 [ 22.853454][ T366] 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 [ 22.873027][ T366] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.881407][ T366] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda9370e079 [ 22.889354][ T366] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 22.897301][ T366] RBP: 00007ffc119f7150 R08: 0000000000000002 R09: 0000000000000001 [ 22.905243][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 22.913184][ T366] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 22.921328][ T366] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 22.929154][ T366] ------------[ cut here ]------------ [ 22.934657][ T366] WARNING: CPU: 1 PID: 366 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 22.943789][ T366] Modules linked in: [ 22.947661][ T366] CPU: 1 PID: 366 Comm: syz-executor222 Not tainted 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 22.957890][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.967953][ T366] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 22.973753][ T366] Code: 24 04 48 b9 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 74 24 20 eb 2b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 2b fb 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 22.993375][ T366] RSP: 0018:ffffc90000a6fae0 EFLAGS: 00010293 [ 22.999431][ T366] RAX: ffffffff81d1b471 RBX: ffff88811970e098 RCX: ffff88811cfa93c0 [ 23.007401][ T366] RDX: 0000000000000000 RSI: ffffffff865394a0 RDI: ffff88811970e068 [ 23.015391][ T366] RBP: ffffc90000a6fbb0 R08: ffffffff826b8088 R09: ffffed1021235c0a [ 23.023370][ T366] R10: ffffed1021235c0a R11: 1ffff11021235c09 R12: 0000000000000000 [ 23.031335][ T366] R13: ffffffff8542fae0 R14: ffff88811970e068 R15: ffffffff865394a0 [ 23.039291][ T366] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.048215][ T366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.054790][ T366] CR2: 000055aa9c9f2698 CR3: 00000001079ed000 CR4: 00000000003506a0 [ 23.062773][ T366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.070740][ T366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.078683][ T366] Call Trace: [ 23.081978][ T366] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 23.087425][ T366] ? __kasan_check_write+0x14/0x20 [ 23.092535][ T366] ? kobject_get+0xd2/0x120 [ 23.097036][ T366] __device_add_disk+0x9cb/0x11d0 [ 23.102059][ T366] ? device_add_disk+0x40/0x40 [ 23.106853][ T366] ? vsprintf+0x40/0x40 [ 23.111010][ T366] device_add_disk+0x2a/0x40 [ 23.115590][ T366] loop_add+0x58f/0x760 [ 23.119743][ T366] loop_control_ioctl+0x564/0x740 [ 23.124755][ T366] ? loop_remove+0xb0/0xb0 [ 23.129140][ T366] ? __fdget_pos+0x27e/0x310 [ 23.133732][ T366] ? ksys_write+0x24e/0x2c0 [ 23.138221][ T366] ? security_file_ioctl+0xb1/0xd0 [ 23.143328][ T366] ? loop_remove+0xb0/0xb0 [ 23.147739][ T366] __se_sys_ioctl+0x115/0x190 [ 23.152420][ T366] __x64_sys_ioctl+0x7b/0x90 [ 23.156997][ T366] do_syscall_64+0x34/0x70 [ 23.161421][ T366] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.167316][ T366] RIP: 0033:0x7fda9370e079 [ 23.171733][ T366] 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 [ 23.191387][ T366] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.199886][ T366] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda9370e079 [ 23.207842][ T366] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 23.215814][ T366] RBP: 00007ffc119f7150 R08: 0000000000000002 R09: 0000000000000001 [ 23.223785][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 23.231751][ T366] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.239718][ T366] ---[ end trace 32d74d475de6e58b ]--- [ 23.245144][ T366] ------------[ cut here ]------------ [ 23.250592][ T366] kernfs: can not remove 'events', no directory [ 23.256854][ T366] WARNING: CPU: 1 PID: 366 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 23.266380][ T366] Modules linked in: [ 23.270289][ T366] CPU: 1 PID: 366 Comm: syz-executor222 Tainted: G W 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 23.281892][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.291981][ T366] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 23.298209][ T366] Code: 48 89 c3 e8 7d 59 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 6c 59 9b ff 48 c7 c7 80 01 2d 85 4c 89 fe 31 c0 e8 eb 9f 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 4d 59 9b ff bb fe ff ff ff 48 c7 c7 [ 23.317823][ T366] RSP: 0018:ffffc90000a6fab8 EFLAGS: 00010246 [ 23.323900][ T366] RAX: ac363585b855c200 RBX: 0000000000000000 RCX: ffff88811cfa93c0 [ 23.331867][ T366] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.339833][ T366] RBP: ffffc90000a6fad0 R08: ffffffff8153a9a8 R09: ffffed103ee2a5d8 [ 23.347777][ T366] R10: ffffed103ee2a5d8 R11: 1ffff1103ee2a5d7 R12: ffffffff865394a0 [ 23.355743][ T366] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8542fac0 [ 23.363703][ T366] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.372628][ T366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.379197][ T366] CR2: 000055aa9c9f2698 CR3: 00000001079ed000 CR4: 00000000003506a0 [ 23.387166][ T366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.395127][ T366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.403091][ T366] Call Trace: [ 23.406362][ T366] sysfs_create_files+0x40a/0x4a0 [ 23.411378][ T366] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 23.416738][ T366] ? __kasan_check_write+0x14/0x20 [ 23.421930][ T366] ? kobject_get+0xd2/0x120 [ 23.426419][ T366] __device_add_disk+0x9cb/0x11d0 [ 23.431461][ T366] ? device_add_disk+0x40/0x40 [ 23.436208][ T366] ? vsprintf+0x40/0x40 [ 23.440359][ T366] device_add_disk+0x2a/0x40 [ 23.444935][ T366] loop_add+0x58f/0x760 [ 23.449058][ T366] loop_control_ioctl+0x564/0x740 [ 23.454076][ T366] ? loop_remove+0xb0/0xb0 [ 23.458480][ T366] ? __fdget_pos+0x27e/0x310 [ 23.463060][ T366] ? ksys_write+0x24e/0x2c0 [ 23.467548][ T366] ? security_file_ioctl+0xb1/0xd0 [ 23.472653][ T366] ? loop_remove+0xb0/0xb0 [ 23.477057][ T366] __se_sys_ioctl+0x115/0x190 [ 23.481725][ T366] __x64_sys_ioctl+0x7b/0x90 [ 23.486299][ T366] do_syscall_64+0x34/0x70 [ 23.490712][ T366] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.496591][ T366] RIP: 0033:0x7fda9370e079 [ 23.500999][ T366] 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 [ 23.520601][ T366] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.528985][ T366] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda9370e079 [ 23.536948][ T366] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 23.544944][ T366] RBP: 00007ffc119f7150 R08: 0000000000000002 R09: 0000000000000001 [ 23.552923][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 executing program [ 23.560890][ T366] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.568847][ T366] ---[ end trace 32d74d475de6e58c ]--- [ 23.574306][ T366] loop0: failed to create sysfs files for events [ 23.581733][ T369] ------------[ cut here ]------------ [ 23.587182][ T369] kernfs: can not remove 'events', no directory [ 23.593486][ T369] WARNING: CPU: 1 PID: 369 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 23.603012][ T369] Modules linked in: [ 23.606886][ T369] CPU: 1 PID: 369 Comm: syz-executor222 Tainted: G W 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 23.618502][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.628556][ T369] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 23.634701][ T369] Code: 48 89 c3 e8 7d 59 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 6c 59 9b ff 48 c7 c7 80 01 2d 85 4c 89 fe 31 c0 e8 eb 9f 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 4d 59 9b ff bb fe ff ff ff 48 c7 c7 [ 23.654300][ T369] RSP: 0018:ffffc900002bfbf8 EFLAGS: 00010246 [ 23.660358][ T369] RAX: b807599ecd1da000 RBX: 0000000000000000 RCX: ffff888106d913c0 [ 23.668307][ T369] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.676283][ T369] RBP: ffffc900002bfc10 R08: ffffffff8153a9a8 R09: fffff52000057ea5 [ 23.684259][ T369] R10: fffff52000057ea5 R11: 1ffff92000057ea4 R12: 0000000000000000 [ 23.692234][ T369] R13: ffffffff865394a0 R14: 0000000000000000 R15: ffffffff8542fac0 [ 23.700209][ T369] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.709120][ T369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.715710][ T369] CR2: 00007fda9377f130 CR3: 00000001069a2000 CR4: 00000000003506a0 [ 23.723695][ T369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.731705][ T369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.739683][ T369] Call Trace: [ 23.742958][ T369] sysfs_remove_files+0xab/0x110 [ 23.747866][ T369] del_gendisk+0x278/0xe20 [ 23.752279][ T369] ? device_add_disk_no_queue_reg+0x30/0x30 [ 23.758172][ T369] ? __radix_tree_delete+0x2ba/0x380 [ 23.763478][ T369] ? radix_tree_delete_item+0x261/0x360 [ 23.769019][ T369] loop_remove+0x46/0xb0 [ 23.773305][ T369] loop_control_ioctl+0x67f/0x740 [ 23.778316][ T369] ? __kasan_check_write+0x14/0x20 [ 23.783438][ T369] ? loop_remove+0xb0/0xb0 [ 23.787848][ T369] ? do_user_addr_fault+0x82e/0xcf0 [ 23.793081][ T369] ? security_file_ioctl+0xb1/0xd0 [ 23.798348][ T369] ? loop_remove+0xb0/0xb0 [ 23.802771][ T369] __se_sys_ioctl+0x115/0x190 [ 23.807429][ T369] __x64_sys_ioctl+0x7b/0x90 [ 23.812026][ T369] do_syscall_64+0x34/0x70 [ 23.816437][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.822327][ T369] RIP: 0033:0x7fda9370e079 [ 23.826730][ T369] 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 [ 23.846347][ T369] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.854776][ T369] RAX: ffffffffffffffda RBX: 0000000000005816 RCX: 00007fda9370e079 [ 23.862744][ T369] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 23.870708][ T369] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 23.878770][ T369] R10: 00007ffc119f6bb0 R11: 0000000000000246 R12: 00007ffc119f714c [ 23.886752][ T369] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.894866][ T369] ---[ end trace 32d74d475de6e58d ]--- [ 23.900327][ T369] ------------[ cut here ]------------ [ 23.905768][ T369] kernfs: can not remove 'events_async', no directory [ 23.912600][ T369] WARNING: CPU: 1 PID: 369 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 23.922126][ T369] Modules linked in: [ 23.926000][ T369] CPU: 1 PID: 369 Comm: syz-executor222 Tainted: G W 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 23.937615][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.947672][ T369] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 23.953820][ T369] Code: 48 89 c3 e8 7d 59 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 6c 59 9b ff 48 c7 c7 80 01 2d 85 4c 89 fe 31 c0 e8 eb 9f 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 4d 59 9b ff bb fe ff ff ff 48 c7 c7 [ 23.973420][ T369] RSP: 0018:ffffc900002bfbf8 EFLAGS: 00010246 [ 23.979474][ T369] RAX: b807599ecd1da000 RBX: 0000000000000000 RCX: ffff888106d913c0 [ 23.987448][ T369] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.995428][ T369] RBP: ffffc900002bfc10 R08: ffffffff8153a9a8 R09: fffff52000057ea5 [ 24.003400][ T369] R10: fffff52000057ea5 R11: 1ffff92000057ea4 R12: 0000000000000000 [ 24.011367][ T369] R13: ffffffff865394a0 R14: 0000000000000000 R15: ffffffff8542fba0 [ 24.019330][ T369] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.028253][ T369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.034845][ T369] CR2: 00007fda9377f130 CR3: 00000001069a2000 CR4: 00000000003506a0 [ 24.042815][ T369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.050786][ T369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.058824][ T369] Call Trace: [ 24.062114][ T369] sysfs_remove_files+0xab/0x110 [ 24.067065][ T369] del_gendisk+0x278/0xe20 [ 24.071501][ T369] ? device_add_disk_no_queue_reg+0x30/0x30 [ 24.077386][ T369] ? __radix_tree_delete+0x2ba/0x380 [ 24.082682][ T369] ? radix_tree_delete_item+0x261/0x360 [ 24.088220][ T369] loop_remove+0x46/0xb0 [ 24.092485][ T369] loop_control_ioctl+0x67f/0x740 [ 24.097505][ T369] ? __kasan_check_write+0x14/0x20 [ 24.102618][ T369] ? loop_remove+0xb0/0xb0 [ 24.107024][ T369] ? do_user_addr_fault+0x82e/0xcf0 [ 24.112333][ T369] ? security_file_ioctl+0xb1/0xd0 [ 24.117435][ T369] ? loop_remove+0xb0/0xb0 [ 24.121847][ T369] __se_sys_ioctl+0x115/0x190 [ 24.126515][ T369] __x64_sys_ioctl+0x7b/0x90 [ 24.131109][ T369] do_syscall_64+0x34/0x70 [ 24.135610][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.141497][ T369] RIP: 0033:0x7fda9370e079 [ 24.145891][ T369] 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 [ 24.165499][ T369] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.173926][ T369] RAX: ffffffffffffffda RBX: 0000000000005816 RCX: 00007fda9370e079 [ 24.181888][ T369] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 24.189855][ T369] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 24.197807][ T369] R10: 00007ffc119f6bb0 R11: 0000000000000246 R12: 00007ffc119f714c [ 24.205774][ T369] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.213739][ T369] ---[ end trace 32d74d475de6e58e ]--- [ 24.219162][ T369] ------------[ cut here ]------------ [ 24.224609][ T369] kernfs: can not remove 'events_poll_msecs', no directory [ 24.231835][ T369] WARNING: CPU: 1 PID: 369 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 24.241356][ T369] Modules linked in: [ 24.245234][ T369] CPU: 1 PID: 369 Comm: syz-executor222 Tainted: G W 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 24.256870][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.266923][ T369] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 24.273075][ T369] Code: 48 89 c3 e8 7d 59 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 6c 59 9b ff 48 c7 c7 80 01 2d 85 4c 89 fe 31 c0 e8 eb 9f 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 4d 59 9b ff bb fe ff ff ff 48 c7 c7 [ 24.292678][ T369] RSP: 0018:ffffc900002bfbf8 EFLAGS: 00010246 [ 24.298725][ T369] RAX: b807599ecd1da000 RBX: 0000000000000000 RCX: ffff888106d913c0 [ 24.306693][ T369] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.314657][ T369] RBP: ffffc900002bfc10 R08: ffffffff8153a9a8 R09: ffffed103ee2a5d8 [ 24.322642][ T369] R10: ffffed103ee2a5d8 R11: 1ffff1103ee2a5d7 R12: 0000000000000000 [ 24.330618][ T369] R13: ffffffff865394a0 R14: 0000000000000000 R15: ffffffff8542fc00 [ 24.338572][ T369] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.347496][ T369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.354077][ T369] CR2: 00007fda9377f130 CR3: 00000001069a2000 CR4: 00000000003506a0 [ 24.362048][ T369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.370011][ T369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.377955][ T369] Call Trace: [ 24.381257][ T369] sysfs_remove_files+0xab/0x110 [ 24.386189][ T369] del_gendisk+0x278/0xe20 [ 24.390602][ T369] ? device_add_disk_no_queue_reg+0x30/0x30 [ 24.396477][ T369] ? __radix_tree_delete+0x2ba/0x380 [ 24.401758][ T369] ? radix_tree_delete_item+0x261/0x360 [ 24.407291][ T369] loop_remove+0x46/0xb0 [ 24.411536][ T369] loop_control_ioctl+0x67f/0x740 [ 24.416546][ T369] ? __kasan_check_write+0x14/0x20 [ 24.421651][ T369] ? loop_remove+0xb0/0xb0 [ 24.426055][ T369] ? do_user_addr_fault+0x82e/0xcf0 [ 24.431261][ T369] ? security_file_ioctl+0xb1/0xd0 [ 24.436358][ T369] ? loop_remove+0xb0/0xb0 [ 24.440767][ T369] __se_sys_ioctl+0x115/0x190 [ 24.445432][ T369] __x64_sys_ioctl+0x7b/0x90 [ 24.450191][ T369] do_syscall_64+0x34/0x70 [ 24.454593][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.460478][ T369] RIP: 0033:0x7fda9370e079 [ 24.464881][ T369] 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 [ 24.484486][ T369] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.492903][ T369] RAX: ffffffffffffffda RBX: 0000000000005816 RCX: 00007fda9370e079 [ 24.500867][ T369] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 24.508822][ T369] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 24.516798][ T369] R10: 00007ffc119f6bb0 R11: 0000000000000246 R12: 00007ffc119f714c [ 24.524770][ T369] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.532746][ T369] ---[ end trace 32d74d475de6e58f ]--- [ 24.538241][ T369] ------------[ cut here ]------------ [ 24.543719][ T369] kernfs: can not remove 'bdi', no directory [ 24.549751][ T369] WARNING: CPU: 1 PID: 369 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 24.559261][ T369] Modules linked in: [ 24.563160][ T369] CPU: 1 PID: 369 Comm: syz-executor222 Tainted: G W 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 24.574779][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.584846][ T369] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 24.591001][ T369] Code: 48 89 c3 e8 7d 59 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 6c 59 9b ff 48 c7 c7 80 01 2d 85 4c 89 fe 31 c0 e8 eb 9f 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 4d 59 9b ff bb fe ff ff ff 48 c7 c7 [ 24.610763][ T369] RSP: 0018:ffffc900002bfc18 EFLAGS: 00010246 [ 24.616826][ T369] RAX: b807599ecd1da000 RBX: 0000000000000000 RCX: ffff888106d913c0 [ 24.624821][ T369] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.632814][ T369] RBP: ffffc900002bfc30 R08: ffffffff8153a9a8 R09: ffffed103ee2a5d8 [ 24.640853][ T369] R10: ffffed103ee2a5d8 R11: 1ffff1103ee2a5d7 R12: 0000000000000240 [ 24.648843][ T369] R13: ffff88811970e030 R14: 0000000000000000 R15: ffffffff8542f4a0 [ 24.656847][ T369] FS: 00005555574f2300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.665847][ T369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.672537][ T369] CR2: 00007ffc119f7118 CR3: 00000001069a2000 CR4: 00000000003506b0 [ 24.680547][ T369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.688541][ T369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.696554][ T369] Call Trace: [ 24.699880][ T369] sysfs_remove_link+0x50/0x60 [ 24.704674][ T369] del_gendisk+0x7cd/0xe20 [ 24.709102][ T369] ? device_add_disk_no_queue_reg+0x30/0x30 [ 24.715048][ T369] ? __radix_tree_delete+0x2ba/0x380 [ 24.720389][ T369] ? radix_tree_delete_item+0x261/0x360 [ 24.725939][ T369] loop_remove+0x46/0xb0 [ 24.730379][ T369] loop_control_ioctl+0x67f/0x740 [ 24.735423][ T369] ? __kasan_check_write+0x14/0x20 [ 24.740555][ T369] ? loop_remove+0xb0/0xb0 [ 24.744980][ T369] ? do_user_addr_fault+0x82e/0xcf0 [ 24.750197][ T369] ? security_file_ioctl+0xb1/0xd0 [ 24.755333][ T369] ? loop_remove+0xb0/0xb0 [ 24.759763][ T369] __se_sys_ioctl+0x115/0x190 [ 24.764508][ T369] __x64_sys_ioctl+0x7b/0x90 [ 24.769123][ T369] do_syscall_64+0x34/0x70 [ 24.773593][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.779529][ T369] RIP: 0033:0x7fda9370e079 [ 24.783993][ T369] 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 [ 24.803677][ T369] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.812245][ T369] RAX: ffffffffffffffda RBX: 0000000000005816 RCX: 00007fda9370e079 [ 24.820328][ T369] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 24.828282][ T369] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 24.836416][ T369] R10: 00007ffc119f6bb0 R11: 0000000000000246 R12: 00007ffc119f714c [ 24.844600][ T369] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.852668][ T369] ---[ end trace 32d74d475de6e590 ]--- [ 24.858814][ T369] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 24.870503][ T369] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 24.878885][ T369] CPU: 1 PID: 369 Comm: syz-executor222 Tainted: G W 5.10.110-syzkaller-01300-ge08dd85cc95e #0 [ 24.890474][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.900509][ T369] RIP: 0010:device_del+0xdf/0xf00 [ 24.905503][ T369] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 1b 1f df fe 4c 89 7c 24 48 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 8a 04 2c 84 c0 0f 85 0d 0d 00 00 41 0f b6 1f 89 de 83 e6 01 31 [ 24.925086][ T369] RSP: 0018:ffffc900002bfb60 EFLAGS: 00010202 [ 24.931130][ T369] RAX: 1ffff110232e1c1a RBX: ffff88811970e0d0 RCX: ffffffff84920db6 [ 24.939189][ T369] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc900002bfae0 [ 24.947140][ T369] RBP: ffffc900002bfc50 R08: dffffc0000000000 R09: fffff52000057f5d [ 24.955088][ T369] R10: fffff52000057f5d R11: 1ffff92000057f5c R12: 000000000000001a [ 24.963036][ T369] R13: dffffc0000000000 R14: ffff88811970e108 R15: 00000000000000d0 [ 24.970982][ T369] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.979885][ T369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.986443][ T369] CR2: 00007fda9377f130 CR3: 00000001069a2000 CR4: 00000000003506a0 [ 24.994386][ T369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.002329][ T369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.010271][ T369] Call Trace: [ 25.013545][ T369] ? _raw_spin_lock_irqsave+0x210/0x210 [ 25.019061][ T369] ? kernfs_name_hash+0x1f9/0x240 [ 25.024055][ T369] ? kill_device+0xd0/0xd0 [ 25.028445][ T369] ? mutex_unlock+0x1d/0x40 [ 25.032937][ T369] del_gendisk+0xbf2/0xe20 [ 25.037342][ T369] ? device_add_disk_no_queue_reg+0x30/0x30 [ 25.043203][ T369] ? __radix_tree_delete+0x2ba/0x380 [ 25.048460][ T369] ? radix_tree_delete_item+0x261/0x360 [ 25.053975][ T369] loop_remove+0x46/0xb0 [ 25.058186][ T369] loop_control_ioctl+0x67f/0x740 [ 25.063177][ T369] ? __kasan_check_write+0x14/0x20 [ 25.068256][ T369] ? loop_remove+0xb0/0xb0 [ 25.072643][ T369] ? do_user_addr_fault+0x82e/0xcf0 [ 25.077812][ T369] ? security_file_ioctl+0xb1/0xd0 [ 25.082893][ T369] ? loop_remove+0xb0/0xb0 [ 25.087279][ T369] __se_sys_ioctl+0x115/0x190 [ 25.091925][ T369] __x64_sys_ioctl+0x7b/0x90 [ 25.096485][ T369] do_syscall_64+0x34/0x70 [ 25.100878][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.106738][ T369] RIP: 0033:0x7fda9370e079 [ 25.111124][ T369] 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 [ 25.130705][ T369] RSP: 002b:00007ffc119f7138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.139093][ T369] RAX: ffffffffffffffda RBX: 0000000000005816 RCX: 00007fda9370e079 [ 25.147037][ T369] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.154990][ T369] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 25.162938][ T369] R10: 00007ffc119f6bb0 R11: 0000000000000246 R12: 00007ffc119f714c [ 25.170888][ T369] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.178836][ T369] Modules linked in: [ 25.182881][ T369] ---[ end trace 32d74d475de6e591 ]--- [ 25.188372][ T369] RIP: 0010:device_del+0xdf/0xf00 [ 25.193431][ T369] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 1b 1f df fe 4c 89 7c 24 48 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 8a 04 2c 84 c0 0f 85 0d 0d 00 00 41 0f b6 1f 89 de 83 e6 01 31 [ 25.213118][ T369] RSP: 0018:ffffc900002bfb60 EFLAGS: 00010202 [ 25.219170][ T369] RAX: 1ffff110232e1c1a RBX: ffff88811970e0d0 RCX: ffffffff84920db6 [ 25.227161][ T369] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc900002bfae0 [ 25.235187][ T369] RBP: ffffc900002bfc50 R08: dffffc0000000000 R09: fffff52000057f5d [ 25.243168][ T369] R10: fffff52000057f5d R11: 1ffff92000057f5c R12: 000000000000001a [ 25.251135][ T369] R13: dffffc0000000000 R14: ffff88811970e108 R15: 00000000000000d0 [ 25.259081][ T369] FS: 00005555574f2300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.268003][ T369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.274585][ T369] CR2: 00007fda9377f130 CR3: 00000001069a2000 CR4: 00000000003506a0 [ 25.282552][ T369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.290513][ T369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.298464][ T369] Kernel panic - not syncing: Fatal exception [ 25.304667][ T369] Kernel Offset: disabled [ 25.308969][ T369] Rebooting in 86400 seconds..