Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. [ 37.203938][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 37.203945][ T23] audit: type=1400 audit(1650350224.509:148): avc: denied { ioctl } for pid=417 comm="syz-executor257" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c80 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 37.280191][ T420] FAULT_INJECTION: forcing a failure. [ 37.280191][ T420] name failslab, interval 1, probability 0, space 0, times 1 [ 37.292885][ T420] CPU: 1 PID: 420 Comm: syz-executor257 Not tainted 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 37.303242][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.313276][ T420] Call Trace: [ 37.316568][ T420] dump_stack_lvl+0x1e2/0x24b [ 37.321221][ T420] ? panic+0x7d7/0x7d7 [ 37.325266][ T420] ? bfq_pos_tree_add_move+0x43e/0x43e [ 37.330695][ T420] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 37.335691][ T420] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 37.340874][ T420] dump_stack+0x15/0x17 [ 37.345001][ T420] should_fail+0x3c0/0x510 [ 37.349397][ T420] ? kobj_map+0x72/0x6f0 [ 37.353611][ T420] __should_failslab+0x9f/0xe0 [ 37.358344][ T420] should_failslab+0x9/0x20 [ 37.362923][ T420] __kmalloc+0x60/0x360 [ 37.367065][ T420] ? __device_add_disk+0x536/0x11d0 [ 37.372241][ T420] kobj_map+0x72/0x6f0 [ 37.376286][ T420] ? exact_match+0x20/0x20 [ 37.380677][ T420] ? bdev_check_media_change+0x4c0/0x4c0 [ 37.386298][ T420] __device_add_disk+0x663/0x11d0 [ 37.391312][ T420] ? device_add_disk+0x40/0x40 [ 37.396058][ T420] ? loop_add+0x3d0/0x760 [ 37.400367][ T420] ? vsprintf+0x40/0x40 [ 37.404504][ T420] device_add_disk+0x2a/0x40 [ 37.409075][ T420] loop_add+0x58f/0x760 [ 37.413218][ T420] loop_control_ioctl+0x564/0x740 [ 37.418213][ T420] ? loop_remove+0xb0/0xb0 [ 37.422600][ T420] ? __fdget_pos+0x27e/0x310 [ 37.427161][ T420] ? ksys_write+0x24e/0x2c0 [ 37.431645][ T420] ? security_file_ioctl+0xb1/0xd0 [ 37.436727][ T420] ? loop_remove+0xb0/0xb0 [ 37.441119][ T420] __se_sys_ioctl+0x115/0x190 [ 37.445768][ T420] __x64_sys_ioctl+0x7b/0x90 [ 37.450337][ T420] do_syscall_64+0x34/0x70 [ 37.454727][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.460591][ T420] RIP: 0033:0x7fe86b1040a9 [ 37.464977][ T420] 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 [ 37.484727][ T420] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.493111][ T420] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 37.501056][ T420] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.509089][ T420] RBP: 00007fffbe45ec50 R08: 0000000000000002 R09: 0000000000000001 [ 37.517033][ T420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.525153][ T420] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.559636][ T422] FAULT_INJECTION: forcing a failure. [ 37.559636][ T422] name failslab, interval 1, probability 0, space 0, times 0 [ 37.572361][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Not tainted 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 37.582665][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.592702][ T422] Call Trace: [ 37.595980][ T422] dump_stack_lvl+0x1e2/0x24b [ 37.600639][ T422] ? bfq_pos_tree_add_move+0x43e/0x43e [ 37.606084][ T422] dump_stack+0x15/0x17 [ 37.610214][ T422] should_fail+0x3c0/0x510 [ 37.614618][ T422] ? __kernfs_new_node+0x99/0x6e0 [ 37.619625][ T422] __should_failslab+0x9f/0xe0 [ 37.624365][ T422] should_failslab+0x9/0x20 [ 37.628844][ T422] __kmalloc_track_caller+0x5f/0x350 [ 37.634103][ T422] ? __kernel_text_address+0x9a/0x110 [ 37.639514][ T422] ? unwind_get_return_address+0x4c/0x90 [ 37.645127][ T422] kstrdup_const+0x55/0x90 [ 37.649518][ T422] __kernfs_new_node+0x99/0x6e0 [ 37.654347][ T422] ? stack_trace_save+0x12d/0x1f0 [ 37.659347][ T422] ? kernfs_new_node+0x170/0x170 [ 37.664256][ T422] ? stack_trace_snprint+0x100/0x100 [ 37.669561][ T422] ? stack_depot_save+0x433/0x4a0 [ 37.674562][ T422] ? device_add+0xbe/0xbd0 [ 37.678954][ T422] kernfs_create_dir_ns+0x9b/0x230 [ 37.684052][ T422] sysfs_create_dir_ns+0x181/0x390 [ 37.689138][ T422] ? sysfs_warn_dup+0xa0/0xa0 [ 37.693804][ T422] kobject_add_internal+0x766/0xda0 [ 37.698977][ T422] kobject_add+0x14c/0x210 [ 37.703368][ T422] ? _raw_spin_lock+0xa3/0x1b0 [ 37.708107][ T422] ? kobject_init+0x1e0/0x1e0 [ 37.712769][ T422] ? __kasan_check_write+0x14/0x20 [ 37.717855][ T422] ? mutex_unlock+0x1d/0x40 [ 37.722338][ T422] ? get_device_parent+0x2c5/0x430 [ 37.727429][ T422] device_add+0x3ca/0xbd0 [ 37.731737][ T422] __device_add_disk+0x77d/0x11d0 [ 37.736787][ T422] ? device_add_disk+0x40/0x40 [ 37.741526][ T422] ? vsprintf+0x40/0x40 [ 37.745918][ T422] device_add_disk+0x2a/0x40 [ 37.750504][ T422] loop_add+0x58f/0x760 [ 37.754641][ T422] loop_control_ioctl+0x564/0x740 [ 37.759641][ T422] ? loop_remove+0xb0/0xb0 [ 37.764033][ T422] ? __fdget_pos+0x27e/0x310 [ 37.768598][ T422] ? ksys_write+0x24e/0x2c0 [ 37.773076][ T422] ? security_file_ioctl+0xb1/0xd0 [ 37.778164][ T422] ? loop_remove+0xb0/0xb0 [ 37.782553][ T422] __se_sys_ioctl+0x115/0x190 [ 37.787204][ T422] __x64_sys_ioctl+0x7b/0x90 [ 37.791769][ T422] do_syscall_64+0x34/0x70 [ 37.796160][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.802024][ T422] RIP: 0033:0x7fe86b1040a9 [ 37.806421][ T422] 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 [ 37.826178][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.834574][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 37.842532][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.850479][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000002 R09: 0000000000000001 [ 37.858424][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.866374][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.874477][ T422] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 37.882402][ T422] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 37.890629][ T422] ------------[ cut here ]------------ [ 37.896078][ T422] WARNING: CPU: 0 PID: 422 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 37.905273][ T422] Modules linked in: [ 37.909197][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Not tainted 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 37.919632][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.929718][ T422] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 37.935532][ T422] 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 7b 02 9b ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 37.955265][ T422] RSP: 0018:ffffc9000039fae0 EFLAGS: 00010293 [ 37.961443][ T422] RAX: ffffffff81d1ae81 RBX: ffff88810a87c098 RCX: ffff88810b3e3b40 [ 37.969523][ T422] RDX: 0000000000000000 RSI: ffffffff86138e00 RDI: ffff88810a87c068 [ 37.977506][ T422] RBP: ffffc9000039fbb0 R08: ffffffff826b6428 R09: ffffed1020130e36 [ 37.985459][ T422] R10: ffffed1020130e36 R11: 1ffff11020130e35 R12: 0000000000000000 [ 37.993546][ T422] R13: ffffffff8542efe0 R14: ffff88810a87c068 R15: ffffffff86138e00 [ 38.001539][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.010482][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.017587][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 38.025552][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.033571][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.041704][ T422] Call Trace: [ 38.044975][ T422] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 38.050549][ T422] ? __kasan_check_write+0x14/0x20 [ 38.055658][ T422] ? kobject_get+0xd2/0x120 [ 38.060175][ T422] __device_add_disk+0x9cb/0x11d0 [ 38.065210][ T422] ? device_add_disk+0x40/0x40 [ 38.069990][ T422] ? vsprintf+0x40/0x40 [ 38.074140][ T422] device_add_disk+0x2a/0x40 [ 38.078734][ T422] loop_add+0x58f/0x760 [ 38.082883][ T422] loop_control_ioctl+0x564/0x740 [ 38.087915][ T422] ? loop_remove+0xb0/0xb0 [ 38.092521][ T422] ? __fdget_pos+0x27e/0x310 [ 38.097111][ T422] ? ksys_write+0x24e/0x2c0 [ 38.101611][ T422] ? security_file_ioctl+0xb1/0xd0 [ 38.106725][ T422] ? loop_remove+0xb0/0xb0 [ 38.111150][ T422] __se_sys_ioctl+0x115/0x190 [ 38.115829][ T422] __x64_sys_ioctl+0x7b/0x90 [ 38.120428][ T422] do_syscall_64+0x34/0x70 [ 38.124877][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.130773][ T422] RIP: 0033:0x7fe86b1040a9 [ 38.135182][ T422] 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 [ 38.154986][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.163525][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 38.171546][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.179649][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000002 R09: 0000000000000001 [ 38.187625][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.195599][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.203687][ T422] ---[ end trace b5b9770382a3817d ]--- [ 38.209154][ T422] ------------[ cut here ]------------ [ 38.214586][ T422] kernfs: can not remove 'events', no directory [ 38.220885][ T422] WARNING: CPU: 0 PID: 422 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 38.230425][ T422] Modules linked in: [ 38.234304][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 38.246022][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.256090][ T422] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 38.262239][ T422] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 00 fc 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 38.281935][ T422] RSP: 0018:ffffc9000039fab8 EFLAGS: 00010246 [ 38.288019][ T422] RAX: 73e1ed9dc629dd00 RBX: 0000000000000000 RCX: ffff88810b3e3b40 [ 38.295989][ T422] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.303968][ T422] RBP: ffffc9000039fad0 R08: ffffffff8153b448 R09: fffff52000073e7d [ 38.311943][ T422] R10: fffff52000073e7d R11: 1ffff92000073e7c R12: ffffffff86138e00 [ 38.320043][ T422] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8542efc0 [ 38.328020][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.336928][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.343516][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 38.351506][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.359600][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.367574][ T422] Call Trace: [ 38.370848][ T422] sysfs_create_files+0x40a/0x4a0 [ 38.376371][ T422] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 38.381809][ T422] ? __kasan_check_write+0x14/0x20 [ 38.386910][ T422] ? kobject_get+0xd2/0x120 [ 38.391425][ T422] __device_add_disk+0x9cb/0x11d0 [ 38.396474][ T422] ? device_add_disk+0x40/0x40 [ 38.401241][ T422] ? vsprintf+0x40/0x40 [ 38.405395][ T422] device_add_disk+0x2a/0x40 [ 38.410002][ T422] loop_add+0x58f/0x760 [ 38.414146][ T422] loop_control_ioctl+0x564/0x740 [ 38.419169][ T422] ? loop_remove+0xb0/0xb0 [ 38.423573][ T422] ? __fdget_pos+0x27e/0x310 [ 38.428168][ T422] ? ksys_write+0x24e/0x2c0 [ 38.432833][ T422] ? security_file_ioctl+0xb1/0xd0 [ 38.438115][ T422] ? loop_remove+0xb0/0xb0 [ 38.442532][ T422] __se_sys_ioctl+0x115/0x190 [ 38.447295][ T422] __x64_sys_ioctl+0x7b/0x90 [ 38.451873][ T422] do_syscall_64+0x34/0x70 [ 38.456264][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.462158][ T422] RIP: 0033:0x7fe86b1040a9 [ 38.466559][ T422] 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 [ 38.486170][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.494624][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 38.502586][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.510883][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000002 R09: 0000000000000001 [ 38.518846][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.526792][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.534852][ T422] ---[ end trace b5b9770382a3817e ]--- [ 38.540321][ T422] loop0: failed to create sysfs files for events [ 38.546673][ T422] ------------[ cut here ]------------ [ 38.552125][ T422] kernfs: can not remove 'events', no directory [ 38.558396][ T422] WARNING: CPU: 0 PID: 422 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 38.567948][ T422] Modules linked in: [ 38.571846][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 38.583467][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.593531][ T422] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 38.599689][ T422] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 00 fc 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 38.619410][ T422] RSP: 0018:ffffc9000039fbf8 EFLAGS: 00010246 [ 38.625450][ T422] RAX: 73e1ed9dc629dd00 RBX: 0000000000000000 RCX: ffff88810b3e3b40 [ 38.633415][ T422] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.641457][ T422] RBP: ffffc9000039fc10 R08: ffffffff8153b448 R09: ffffed103ee4a5d8 [ 38.649429][ T422] R10: ffffed103ee4a5d8 R11: 1ffff1103ee4a5d7 R12: 0000000000000000 [ 38.657410][ T422] R13: ffffffff86138e00 R14: 0000000000000000 R15: ffffffff8542efc0 [ 38.665440][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.674387][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.680964][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 38.688934][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.696901][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.704865][ T422] Call Trace: [ 38.708150][ T422] sysfs_remove_files+0xab/0x110 [ 38.713069][ T422] del_gendisk+0x278/0xe20 [ 38.717514][ T422] ? device_add_disk_no_queue_reg+0x30/0x30 [ 38.723441][ T422] ? __radix_tree_delete+0x2ba/0x380 [ 38.728727][ T422] ? radix_tree_delete_item+0x261/0x360 [ 38.734273][ T422] loop_remove+0x46/0xb0 [ 38.738514][ T422] loop_control_ioctl+0x67f/0x740 [ 38.743537][ T422] ? do_sys_open+0x220/0x220 [ 38.748122][ T422] ? loop_remove+0xb0/0xb0 [ 38.752531][ T422] ? __fdget_pos+0x27e/0x310 [ 38.757121][ T422] ? security_file_ioctl+0xb1/0xd0 [ 38.762233][ T422] ? loop_remove+0xb0/0xb0 [ 38.766631][ T422] __se_sys_ioctl+0x115/0x190 [ 38.771313][ T422] __x64_sys_ioctl+0x7b/0x90 [ 38.775891][ T422] do_syscall_64+0x34/0x70 [ 38.780313][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.786194][ T422] RIP: 0033:0x7fe86b1040a9 [ 38.790605][ T422] 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 [ 38.810213][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.818623][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 38.826581][ T422] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 [ 38.834596][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000001 R09: 0000000000000001 [ 38.842592][ T422] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 38.850589][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.858664][ T422] ---[ end trace b5b9770382a3817f ]--- [ 38.864113][ T422] ------------[ cut here ]------------ [ 38.869577][ T422] kernfs: can not remove 'events_async', no directory [ 38.876367][ T422] WARNING: CPU: 0 PID: 422 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 38.885902][ T422] Modules linked in: [ 38.889827][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 38.901484][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.911553][ T422] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 38.917717][ T422] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 00 fc 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 38.937332][ T422] RSP: 0018:ffffc9000039fbf8 EFLAGS: 00010246 [ 38.943495][ T422] RAX: 73e1ed9dc629dd00 RBX: 0000000000000000 RCX: ffff88810b3e3b40 [ 38.951480][ T422] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.959452][ T422] RBP: ffffc9000039fc10 R08: ffffffff8153b448 R09: ffffed103ee4a5d8 [ 38.967514][ T422] R10: ffffed103ee4a5d8 R11: 1ffff1103ee4a5d7 R12: 0000000000000000 [ 38.975470][ T422] R13: ffffffff86138e00 R14: 0000000000000000 R15: ffffffff8542f0a0 [ 38.983482][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.992558][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.999243][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 39.007322][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.015272][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.023358][ T422] Call Trace: [ 39.026658][ T422] sysfs_remove_files+0xab/0x110 [ 39.032144][ T422] del_gendisk+0x278/0xe20 [ 39.036694][ T422] ? device_add_disk_no_queue_reg+0x30/0x30 [ 39.042681][ T422] ? __radix_tree_delete+0x2ba/0x380 [ 39.047968][ T422] ? radix_tree_delete_item+0x261/0x360 [ 39.053491][ T422] loop_remove+0x46/0xb0 [ 39.057742][ T422] loop_control_ioctl+0x67f/0x740 [ 39.062754][ T422] ? do_sys_open+0x220/0x220 [ 39.067362][ T422] ? loop_remove+0xb0/0xb0 [ 39.071771][ T422] ? __fdget_pos+0x27e/0x310 [ 39.076514][ T422] ? security_file_ioctl+0xb1/0xd0 [ 39.081905][ T422] ? loop_remove+0xb0/0xb0 [ 39.086442][ T422] __se_sys_ioctl+0x115/0x190 [ 39.092438][ T422] __x64_sys_ioctl+0x7b/0x90 [ 39.097311][ T422] do_syscall_64+0x34/0x70 [ 39.101703][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.107707][ T422] RIP: 0033:0x7fe86b1040a9 [ 39.112192][ T422] 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 [ 39.131805][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.140232][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 39.148204][ T422] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 [ 39.156160][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000001 R09: 0000000000000001 [ 39.164223][ T422] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 39.172295][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.180276][ T422] ---[ end trace b5b9770382a38180 ]--- [ 39.185726][ T422] ------------[ cut here ]------------ [ 39.191895][ T422] kernfs: can not remove 'events_poll_msecs', no directory [ 39.199244][ T422] WARNING: CPU: 0 PID: 422 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 39.208787][ T422] Modules linked in: [ 39.212682][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 39.224389][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.234809][ T422] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 39.240961][ T422] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 00 fc 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 39.261628][ T422] RSP: 0018:ffffc9000039fbf8 EFLAGS: 00010246 [ 39.267892][ T422] RAX: 73e1ed9dc629dd00 RBX: 0000000000000000 RCX: ffff88810b3e3b40 [ 39.275849][ T422] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 39.283823][ T422] RBP: ffffc9000039fc10 R08: ffffffff8153b448 R09: ffffed103ee4a5d8 [ 39.292197][ T422] R10: ffffed103ee4a5d8 R11: 1ffff1103ee4a5d7 R12: 0000000000000000 [ 39.300263][ T422] R13: ffffffff86138e00 R14: 0000000000000000 R15: ffffffff8542f100 [ 39.308260][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 39.317308][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.323979][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 39.331959][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.340015][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.348009][ T422] Call Trace: [ 39.351405][ T422] sysfs_remove_files+0xab/0x110 [ 39.356414][ T422] del_gendisk+0x278/0xe20 [ 39.360864][ T422] ? device_add_disk_no_queue_reg+0x30/0x30 [ 39.366746][ T422] ? __radix_tree_delete+0x2ba/0x380 [ 39.372119][ T422] ? radix_tree_delete_item+0x261/0x360 [ 39.377673][ T422] loop_remove+0x46/0xb0 [ 39.381981][ T422] loop_control_ioctl+0x67f/0x740 [ 39.387123][ T422] ? do_sys_open+0x220/0x220 [ 39.391705][ T422] ? loop_remove+0xb0/0xb0 [ 39.396181][ T422] ? __fdget_pos+0x27e/0x310 [ 39.400802][ T422] ? security_file_ioctl+0xb1/0xd0 [ 39.406023][ T422] ? loop_remove+0xb0/0xb0 [ 39.410453][ T422] __se_sys_ioctl+0x115/0x190 [ 39.415124][ T422] __x64_sys_ioctl+0x7b/0x90 [ 39.419820][ T422] do_syscall_64+0x34/0x70 [ 39.424231][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.430223][ T422] RIP: 0033:0x7fe86b1040a9 [ 39.434627][ T422] 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 [ 39.454236][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.462677][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 39.470658][ T422] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 [ 39.478629][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000001 R09: 0000000000000001 [ 39.486756][ T422] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 39.494822][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.502803][ T422] ---[ end trace b5b9770382a38181 ]--- [ 39.508419][ T422] ------------[ cut here ]------------ [ 39.513946][ T422] kernfs: can not remove 'bdi', no directory [ 39.520000][ T422] WARNING: CPU: 0 PID: 422 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 39.529537][ T422] Modules linked in: [ 39.533503][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 39.545117][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.555196][ T422] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 39.561363][ T422] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 00 fc 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 39.580992][ T422] RSP: 0018:ffffc9000039fc18 EFLAGS: 00010246 [ 39.587070][ T422] RAX: 73e1ed9dc629dd00 RBX: 0000000000000000 RCX: ffff88810b3e3b40 [ 39.595025][ T422] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 39.603011][ T422] RBP: ffffc9000039fc30 R08: ffffffff8153b448 R09: fffff52000073ea9 [ 39.611067][ T422] R10: fffff52000073ea9 R11: 1ffff92000073ea8 R12: 0000000000000240 [ 39.619054][ T422] R13: ffff88810a87c030 R14: 0000000000000000 R15: ffffffff8542e9a0 [ 39.627108][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 39.636008][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.642611][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 39.650601][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.658610][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.666569][ T422] Call Trace: [ 39.669862][ T422] sysfs_remove_link+0x50/0x60 [ 39.674612][ T422] del_gendisk+0x7cd/0xe20 [ 39.679046][ T422] ? device_add_disk_no_queue_reg+0x30/0x30 [ 39.684928][ T422] ? __radix_tree_delete+0x2ba/0x380 [ 39.690352][ T422] ? radix_tree_delete_item+0x261/0x360 [ 39.695888][ T422] loop_remove+0x46/0xb0 [ 39.700272][ T422] loop_control_ioctl+0x67f/0x740 [ 39.705302][ T422] ? do_sys_open+0x220/0x220 [ 39.709942][ T422] ? loop_remove+0xb0/0xb0 [ 39.714357][ T422] ? __fdget_pos+0x27e/0x310 [ 39.718956][ T422] ? security_file_ioctl+0xb1/0xd0 [ 39.724057][ T422] ? loop_remove+0xb0/0xb0 [ 39.728482][ T422] __se_sys_ioctl+0x115/0x190 [ 39.733154][ T422] __x64_sys_ioctl+0x7b/0x90 [ 39.737802][ T422] do_syscall_64+0x34/0x70 [ 39.742208][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.748275][ T422] RIP: 0033:0x7fe86b1040a9 [ 39.752672][ T422] 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 [ 39.772378][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.780812][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 39.788795][ T422] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 [ 39.796759][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000001 R09: 0000000000000001 [ 39.804755][ T422] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 39.812754][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.820794][ T422] ---[ end trace b5b9770382a38182 ]--- [ 39.826535][ T422] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 39.838536][ T422] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 39.846938][ T422] CPU: 0 PID: 422 Comm: syz-executor257 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 39.858718][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.868763][ T422] RIP: 0010:device_del+0xdf/0xf00 [ 39.873883][ T422] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 eb 42 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 [ 39.893474][ T422] RSP: 0018:ffffc9000039fb60 EFLAGS: 00010202 [ 39.899616][ T422] RAX: 1ffff1102150f81a RBX: ffff88810a87c0d0 RCX: ffffffff8491bca6 [ 39.907624][ T422] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000039fae0 [ 39.915579][ T422] RBP: ffffc9000039fc50 R08: dffffc0000000000 R09: fffff52000073f5d [ 39.923529][ T422] R10: fffff52000073f5d R11: 1ffff92000073f5c R12: 000000000000001a [ 39.931490][ T422] R13: dffffc0000000000 R14: ffff88810a87c108 R15: 00000000000000d0 [ 39.939828][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 39.948734][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.955291][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 39.963251][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.971202][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.979146][ T422] Call Trace: [ 39.982418][ T422] ? _raw_spin_lock_irqsave+0x210/0x210 [ 39.987940][ T422] ? kernfs_name_hash+0x1f9/0x240 [ 39.993115][ T422] ? kill_device+0xd0/0xd0 [ 39.997509][ T422] ? mutex_unlock+0x1d/0x40 [ 40.002093][ T422] del_gendisk+0xbf2/0xe20 [ 40.006510][ T422] ? device_add_disk_no_queue_reg+0x30/0x30 [ 40.012507][ T422] ? __radix_tree_delete+0x2ba/0x380 [ 40.017955][ T422] ? radix_tree_delete_item+0x261/0x360 [ 40.023481][ T422] loop_remove+0x46/0xb0 [ 40.027794][ T422] loop_control_ioctl+0x67f/0x740 [ 40.032812][ T422] ? do_sys_open+0x220/0x220 [ 40.037476][ T422] ? loop_remove+0xb0/0xb0 [ 40.041990][ T422] ? __fdget_pos+0x27e/0x310 [ 40.046564][ T422] ? security_file_ioctl+0xb1/0xd0 [ 40.051657][ T422] ? loop_remove+0xb0/0xb0 [ 40.056057][ T422] __se_sys_ioctl+0x115/0x190 [ 40.060712][ T422] __x64_sys_ioctl+0x7b/0x90 [ 40.065282][ T422] do_syscall_64+0x34/0x70 [ 40.069673][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.075538][ T422] RIP: 0033:0x7fe86b1040a9 [ 40.079929][ T422] 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 [ 40.099687][ T422] RSP: 002b:00007fffbe45ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.108090][ T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe86b1040a9 [ 40.116037][ T422] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 [ 40.124180][ T422] RBP: 00007fffbe45ec50 R08: 0000000000000001 R09: 0000000000000001 [ 40.132143][ T422] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 40.140096][ T422] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.148046][ T422] Modules linked in: [ 40.152099][ T422] ---[ end trace b5b9770382a38183 ]--- [ 40.157671][ T422] RIP: 0010:device_del+0xdf/0xf00 [ 40.162683][ T422] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 eb 42 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 [ 40.182558][ T422] RSP: 0018:ffffc9000039fb60 EFLAGS: 00010202 [ 40.188690][ T422] RAX: 1ffff1102150f81a RBX: ffff88810a87c0d0 RCX: ffffffff8491bca6 [ 40.196690][ T422] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000039fae0 [ 40.204693][ T422] RBP: ffffc9000039fc50 R08: dffffc0000000000 R09: fffff52000073f5d [ 40.212735][ T422] R10: fffff52000073f5d R11: 1ffff92000073f5c R12: 000000000000001a [ 40.220857][ T422] R13: dffffc0000000000 R14: ffff88810a87c108 R15: 00000000000000d0 [ 40.229541][ T422] FS: 000055555555a300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.238785][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.245436][ T422] CR2: 00007fe86b1339e0 CR3: 000000010c5ee000 CR4: 00000000003506b0 [ 40.259310][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.267484][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.275447][ T422] Kernel panic - not syncing: Fatal exception [ 40.281721][ T422] Kernel Offset: disabled [ 40.286031][ T422] Rebooting in 86400 seconds..