Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts. 2024/02/07 07:13:02 ignoring optional flag "sandboxArg"="0" 2024/02/07 07:13:02 parsed 1 programs 2024/02/07 07:13:02 executed programs: 0 [ 39.083660][ T24] audit: type=1400 audit(1707289982.770:150): avc: denied { mounton } for pid=333 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 39.108849][ T24] audit: type=1400 audit(1707289982.770:151): avc: denied { mount } for pid=333 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 39.159942][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.167431][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.174625][ T336] device bridge_slave_0 entered promiscuous mode [ 39.181231][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.188556][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.195793][ T336] device bridge_slave_1 entered promiscuous mode [ 39.227111][ T24] audit: type=1400 audit(1707289982.920:152): avc: denied { write } for pid=336 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 39.247977][ T24] audit: type=1400 audit(1707289982.940:153): avc: denied { read } for pid=336 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 39.251124][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.275339][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.282583][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.289402][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.306076][ T53] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.313203][ T53] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.320424][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.328048][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.345519][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.353465][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.360349][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.368164][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.376324][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.383321][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.390650][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.398687][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.409010][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.420098][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.428099][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.436894][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.445395][ T336] device veth0_vlan entered promiscuous mode [ 39.455406][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.464302][ T336] device veth1_macvtap entered promiscuous mode [ 39.473236][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.485188][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.495612][ T24] audit: type=1400 audit(1707289983.190:154): avc: denied { mounton } for pid=336 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 39.522445][ T24] audit: type=1400 audit(1707289983.210:155): avc: denied { ioctl } for pid=341 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=110 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 39.530507][ T344] udevd[344]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 39.566620][ T342] FAULT_INJECTION: forcing a failure. [ 39.566620][ T342] name failslab, interval 1, probability 0, space 0, times 1 [ 39.579756][ T342] CPU: 0 PID: 342 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 39.590062][ T342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.600055][ T342] Call Trace: [ 39.603204][ T342] dump_stack_lvl+0x1e2/0x24b [ 39.608009][ T342] ? panic+0x80b/0x80b [ 39.611965][ T342] ? bfq_pos_tree_add_move+0x43b/0x43b [ 39.617263][ T342] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 39.622116][ T342] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 39.627333][ T342] dump_stack+0x15/0x17 [ 39.631649][ T342] should_fail+0x3c6/0x510 [ 39.635881][ T342] ? kobj_map+0x64/0x670 [ 39.639957][ T342] __should_failslab+0xa4/0xe0 [ 39.644680][ T342] should_failslab+0x9/0x20 [ 39.651041][ T342] __kmalloc+0x60/0x330 [ 39.655005][ T342] ? __device_add_disk+0x552/0x11a0 [ 39.660207][ T342] kobj_map+0x64/0x670 [ 39.664324][ T342] ? kobject_get+0xd1/0x120 [ 39.668856][ T342] ? exact_match+0x20/0x20 [ 39.673164][ T342] ? bdev_check_media_change+0x4d0/0x4d0 [ 39.678648][ T342] __device_add_disk+0x67b/0x11a0 [ 39.683495][ T342] ? device_add_disk+0x40/0x40 [ 39.688446][ T342] ? vsprintf+0x40/0x40 [ 39.692432][ T342] ? device_initialize+0x1e1/0x420 [ 39.697379][ T342] device_add_disk+0x2a/0x40 [ 39.701805][ T342] loop_add+0x580/0x750 [ 39.705911][ T342] loop_control_ioctl+0x448/0x620 [ 39.710741][ T342] ? loop_remove+0xb0/0xb0 [ 39.714999][ T342] ? __fget_files+0x31e/0x380 [ 39.719512][ T342] ? security_file_ioctl+0x84/0xb0 [ 39.724453][ T342] ? loop_remove+0xb0/0xb0 [ 39.728893][ T342] __se_sys_ioctl+0x114/0x190 [ 39.733404][ T342] __x64_sys_ioctl+0x7b/0x90 [ 39.737926][ T342] do_syscall_64+0x34/0x70 [ 39.742274][ T342] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.748090][ T342] RIP: 0033:0x7fd6dc080859 [ 39.752347][ T342] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 39.771879][ T342] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.780215][ T342] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 39.788142][ T342] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.796296][ T342] RBP: 00007fd6dbc03120 R08: 0000000000000000 R09: 0000000000000000 [ 39.804198][ T342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.812261][ T342] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 39.877208][ T347] FAULT_INJECTION: forcing a failure. [ 39.877208][ T347] name failslab, interval 1, probability 0, space 0, times 0 [ 39.890081][ T347] CPU: 0 PID: 347 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 39.901338][ T347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.911402][ T347] Call Trace: [ 39.914550][ T347] dump_stack_lvl+0x1e2/0x24b [ 39.919055][ T347] ? bfq_pos_tree_add_move+0x43b/0x43b [ 39.924339][ T347] ? _raw_spin_lock+0xa4/0x1b0 [ 39.928950][ T347] dump_stack+0x15/0x17 [ 39.932935][ T347] should_fail+0x3c6/0x510 [ 39.937188][ T347] ? __kernfs_new_node+0xdb/0x700 [ 39.942252][ T347] __should_failslab+0xa4/0xe0 [ 39.946864][ T347] should_failslab+0x9/0x20 [ 39.951324][ T347] kmem_cache_alloc+0x3d/0x2e0 [ 39.956138][ T347] __kernfs_new_node+0xdb/0x700 [ 39.960822][ T347] ? kernfs_activate+0x31a/0x330 [ 39.965606][ T347] ? kernfs_add_one+0x4b5/0x5d0 [ 39.970383][ T347] ? kernfs_new_node+0x170/0x170 [ 39.975156][ T347] ? __kernfs_create_file+0x1fe/0x270 [ 39.980364][ T347] kernfs_new_node+0x97/0x170 [ 39.984878][ T347] kernfs_create_link+0xba/0x210 [ 39.989649][ T347] sysfs_do_create_link_sd+0x89/0x110 [ 39.995033][ T347] sysfs_create_link+0x68/0x80 [ 39.999717][ T347] device_add_class_symlinks+0xdb/0x2a0 [ 40.005098][ T347] device_add+0x4b7/0xbc0 [ 40.009267][ T347] __device_add_disk+0x785/0x11a0 [ 40.014135][ T347] ? device_add_disk+0x40/0x40 [ 40.018907][ T347] ? vsprintf+0x40/0x40 [ 40.022902][ T347] ? device_initialize+0x1e1/0x420 [ 40.027973][ T347] device_add_disk+0x2a/0x40 [ 40.032771][ T347] loop_add+0x580/0x750 [ 40.036847][ T347] loop_control_ioctl+0x448/0x620 [ 40.041792][ T347] ? loop_remove+0xb0/0xb0 [ 40.046036][ T347] ? __fget_files+0x31e/0x380 [ 40.050565][ T347] ? security_file_ioctl+0x84/0xb0 [ 40.055584][ T347] ? loop_remove+0xb0/0xb0 [ 40.059939][ T347] __se_sys_ioctl+0x114/0x190 [ 40.064572][ T347] __x64_sys_ioctl+0x7b/0x90 [ 40.069096][ T347] do_syscall_64+0x34/0x70 [ 40.073694][ T347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.079428][ T347] RIP: 0033:0x7fd6dc080859 [ 40.083676][ T347] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 40.103979][ T347] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.112237][ T347] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 40.120032][ T347] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.128137][ T347] RBP: 00007fd6dbc03120 R08: 0000000000000000 R09: 0000000000000000 [ 40.136045][ T347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.144123][ T347] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 40.154188][ T347] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 40.162128][ T347] ------------[ cut here ]------------ [ 40.167705][ T347] WARNING: CPU: 0 PID: 347 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 40.177213][ T347] Modules linked in: [ 40.181034][ T347] CPU: 0 PID: 347 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 40.191126][ T347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.201016][ T347] RIP: 0010:sysfs_create_files+0x325/0x470 [ 40.207124][ T347] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 d1 a7 d4 ff e9 a8 fe ff ff e8 77 3a 97 ff 31 db e9 ef 00 00 00 e8 6b 3a 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 40.227072][ T347] RSP: 0018:ffffc90000f27b00 EFLAGS: 00010293 [ 40.233373][ T347] RAX: ffffffff81d36d68 RBX: ffff88811f68a098 RCX: ffff88810c9a8000 [ 40.241569][ T347] RDX: 0000000000000000 RSI: ffffffff863514a0 RDI: ffff88811f68a068 [ 40.249376][ T347] RBP: ffffc90000f27bd0 R08: ffffffff82702217 R09: ffffed10212d68c8 [ 40.257189][ T347] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 40.264997][ T347] R13: ffffffff855f6060 R14: dffffc0000000000 R15: ffff88811f68a068 [ 40.272794][ T347] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.281827][ T347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.288655][ T347] CR2: 00007fd6dbc02ff8 CR3: 000000010ce17000 CR4: 00000000003506b0 [ 40.296668][ T347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.304575][ T347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.312499][ T347] Call Trace: [ 40.315655][ T347] ? show_regs+0x58/0x60 [ 40.319699][ T347] ? __warn+0x160/0x2f0 [ 40.323688][ T347] ? sysfs_create_files+0x325/0x470 [ 40.328761][ T347] ? report_bug+0x3d9/0x5b0 [ 40.333164][ T347] ? sysfs_create_files+0x325/0x470 [ 40.338517][ T347] ? handle_bug+0x41/0x70 [ 40.342625][ T347] ? exc_invalid_op+0x1b/0x50 [ 40.347155][ T347] ? asm_exc_invalid_op+0x12/0x20 [ 40.352003][ T347] ? kobject_get+0xc7/0x120 [ 40.356361][ T347] ? sysfs_create_files+0x458/0x470 [ 40.361359][ T347] ? sysfs_create_files+0x325/0x470 [ 40.366843][ T347] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 40.372047][ T347] ? __kasan_check_write+0x14/0x20 [ 40.377298][ T347] ? kobject_get+0xd1/0x120 [ 40.381579][ T347] __device_add_disk+0x9a7/0x11a0 [ 40.386705][ T347] ? device_add_disk+0x40/0x40 [ 40.391210][ T347] ? vsprintf+0x40/0x40 [ 40.395233][ T347] ? device_initialize+0x1e1/0x420 [ 40.400146][ T347] device_add_disk+0x2a/0x40 [ 40.404610][ T347] loop_add+0x580/0x750 [ 40.408567][ T347] loop_control_ioctl+0x448/0x620 [ 40.413434][ T347] ? loop_remove+0xb0/0xb0 [ 40.417734][ T347] ? __fget_files+0x31e/0x380 [ 40.422195][ T347] ? security_file_ioctl+0x84/0xb0 [ 40.427168][ T347] ? loop_remove+0xb0/0xb0 [ 40.431487][ T347] __se_sys_ioctl+0x114/0x190 [ 40.436027][ T347] __x64_sys_ioctl+0x7b/0x90 [ 40.440429][ T347] do_syscall_64+0x34/0x70 [ 40.445096][ T347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.450944][ T347] RIP: 0033:0x7fd6dc080859 [ 40.455259][ T347] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 40.474929][ T347] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.483121][ T347] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 40.490966][ T347] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.498887][ T347] RBP: 00007fd6dbc03120 R08: 0000000000000000 R09: 0000000000000000 [ 40.506814][ T347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.514595][ T347] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 40.522356][ T347] ---[ end trace a5dd1d451fa85bc3 ]--- [ 40.528397][ T347] ------------[ cut here ]------------ [ 40.533660][ T347] kernfs: can not remove 'events', no directory [ 40.540115][ T347] WARNING: CPU: 0 PID: 347 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 40.549494][ T347] Modules linked in: [ 40.553208][ T347] CPU: 0 PID: 347 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 40.564770][ T347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.574749][ T347] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 40.581024][ T347] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 40 99 97 ff 48 c7 c7 40 bc 4a 85 4c 89 fe e8 e1 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 23 99 97 ff bb fe ff ff ff 48 c7 c7 [ 40.601443][ T347] RSP: 0018:ffffc90000f27ad8 EFLAGS: 00010246 [ 40.607852][ T347] RAX: 1ce585ceef783600 RBX: 0000000000000000 RCX: ffff88810c9a8000 [ 40.615686][ T347] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 40.623447][ T347] RBP: ffffc90000f27af0 R08: ffffffff81521c48 R09: fffff520001e4e71 [ 40.631342][ T347] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 40.639487][ T347] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff855f6120 [ 40.647452][ T347] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.656606][ T347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.662959][ T347] CR2: 00007fd6dbc02ff8 CR3: 000000010ce17000 CR4: 00000000003506b0 [ 40.670920][ T347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.678924][ T347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.687007][ T347] Call Trace: [ 40.690109][ T347] ? show_regs+0x58/0x60 [ 40.694167][ T347] ? __warn+0x160/0x2f0 [ 40.698210][ T347] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 40.703818][ T347] ? report_bug+0x3d9/0x5b0 [ 40.708272][ T347] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 40.713702][ T347] ? handle_bug+0x41/0x70 [ 40.717902][ T347] ? exc_invalid_op+0x1b/0x50 [ 40.722397][ T347] ? asm_exc_invalid_op+0x12/0x20 [ 40.727294][ T347] ? wake_up_klogd+0xb8/0xf0 [ 40.731672][ T347] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 40.737394][ T347] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 40.742817][ T347] sysfs_create_files+0x3de/0x470 [ 40.747796][ T347] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 40.752973][ T347] ? __kasan_check_write+0x14/0x20 [ 40.758159][ T347] ? kobject_get+0xd1/0x120 [ 40.762466][ T347] __device_add_disk+0x9a7/0x11a0 [ 40.767363][ T347] ? device_add_disk+0x40/0x40 [ 40.771927][ T347] ? vsprintf+0x40/0x40 [ 40.776177][ T347] ? device_initialize+0x1e1/0x420 [ 40.781148][ T347] device_add_disk+0x2a/0x40 [ 40.786330][ T347] loop_add+0x580/0x750 [ 40.790360][ T347] loop_control_ioctl+0x448/0x620 [ 40.795277][ T347] ? loop_remove+0xb0/0xb0 [ 40.799648][ T347] ? __fget_files+0x31e/0x380 [ 40.804153][ T347] ? security_file_ioctl+0x84/0xb0 [ 40.809391][ T347] ? loop_remove+0xb0/0xb0 [ 40.813747][ T347] __se_sys_ioctl+0x114/0x190 [ 40.818435][ T347] __x64_sys_ioctl+0x7b/0x90 [ 40.822816][ T347] do_syscall_64+0x34/0x70 [ 40.827100][ T347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.832789][ T347] RIP: 0033:0x7fd6dc080859 [ 40.837297][ T347] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 40.857522][ T347] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.866075][ T347] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 40.873973][ T347] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.881972][ T347] RBP: 00007fd6dbc03120 R08: 0000000000000000 R09: 0000000000000000 [ 40.890541][ T347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.898395][ T347] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 40.906375][ T347] ---[ end trace a5dd1d451fa85bc4 ]--- [ 40.911883][ T347] loop0: failed to create sysfs files for events [ 40.923323][ T351] ------------[ cut here ]------------ [ 40.928910][ T351] kernfs: can not remove 'events', no directory [ 40.935270][ T351] WARNING: CPU: 1 PID: 351 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 40.944788][ T351] Modules linked in: [ 40.948481][ T351] CPU: 1 PID: 351 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 40.960138][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.970452][ T351] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 40.976747][ T351] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 40 99 97 ff 48 c7 c7 40 bc 4a 85 4c 89 fe e8 e1 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 23 99 97 ff bb fe ff ff ff 48 c7 c7 [ 40.996780][ T351] RSP: 0018:ffffc90000f37c18 EFLAGS: 00010246 [ 41.002785][ T351] RAX: 0cc1489f5675bc00 RBX: 0000000000000000 RCX: ffff88810b86e2c0 [ 41.010815][ T351] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 41.018819][ T351] RBP: ffffc90000f37c30 R08: ffffffff81521c48 R09: fffff520001e6e99 [ 41.026622][ T351] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 41.034480][ T351] R13: ffffffff863514a0 R14: 0000000000000000 R15: ffffffff855f6120 [ 41.042424][ T351] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 41.051353][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.058154][ T351] CR2: 00007fff372ebbf8 CR3: 000000010cbf4000 CR4: 00000000003506b0 [ 41.066718][ T351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.074742][ T351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.082627][ T351] Call Trace: [ 41.086171][ T351] ? show_regs+0x58/0x60 [ 41.090342][ T351] ? __warn+0x160/0x2f0 [ 41.095242][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.100784][ T351] ? report_bug+0x3d9/0x5b0 [ 41.105229][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.111004][ T351] ? handle_bug+0x41/0x70 [ 41.115559][ T351] ? exc_invalid_op+0x1b/0x50 [ 41.120307][ T351] ? asm_exc_invalid_op+0x12/0x20 [ 41.125650][ T351] ? wake_up_klogd+0xb8/0xf0 [ 41.130127][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.135728][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.141340][ T351] sysfs_remove_files+0xa5/0x100 [ 41.146187][ T351] del_gendisk+0x248/0xa90 [ 41.150580][ T351] ? device_add_disk_no_queue_reg+0x30/0x30 [ 41.156509][ T351] ? radix_tree_delete_item+0x24d/0x350 [ 41.161914][ T351] loop_remove+0x46/0xb0 [ 41.166408][ T351] loop_control_ioctl+0x564/0x620 [ 41.171317][ T351] ? loop_remove+0xb0/0xb0 [ 41.175679][ T351] ? __fget_files+0x31e/0x380 [ 41.181517][ T351] ? security_file_ioctl+0x84/0xb0 [ 41.186778][ T351] ? loop_remove+0xb0/0xb0 [ 41.191273][ T351] __se_sys_ioctl+0x114/0x190 [ 41.196317][ T351] __x64_sys_ioctl+0x7b/0x90 [ 41.200876][ T351] do_syscall_64+0x34/0x70 [ 41.205692][ T351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.211688][ T351] RIP: 0033:0x7fd6dc080859 [ 41.215993][ T351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 41.235578][ T351] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.243903][ T351] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 41.252355][ T351] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 41.262186][ T351] RBP: 00007fd6dc0dcad0 R08: 0000000000000000 R09: 0000000000000000 [ 41.271117][ T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.280419][ T351] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 41.288447][ T351] ---[ end trace a5dd1d451fa85bc5 ]--- [ 41.293702][ T351] ------------[ cut here ]------------ [ 41.299207][ T351] kernfs: can not remove 'events_async', no directory [ 41.306615][ T351] WARNING: CPU: 0 PID: 351 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 41.316139][ T351] Modules linked in: [ 41.319839][ T351] CPU: 0 PID: 351 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 41.331485][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.341667][ T351] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 41.347749][ T351] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 40 99 97 ff 48 c7 c7 40 bc 4a 85 4c 89 fe e8 e1 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 23 99 97 ff bb fe ff ff ff 48 c7 c7 [ 41.368714][ T351] RSP: 0018:ffffc90000f37c18 EFLAGS: 00010246 [ 41.374914][ T351] RAX: 0cc1489f5675bc00 RBX: 0000000000000000 RCX: ffff88810b86e2c0 [ 41.382691][ T351] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 41.390705][ T351] RBP: ffffc90000f37c30 R08: ffffffff81521c48 R09: ffffed103ee4a5f8 [ 41.398532][ T351] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 41.406319][ T351] R13: ffffffff863514a0 R14: 0000000000000000 R15: ffffffff855f61c0 [ 41.414286][ T351] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 41.423176][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.430373][ T351] CR2: 00007fd6dbbe1ff8 CR3: 000000010cbf4000 CR4: 00000000003506a0 [ 41.438550][ T351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.446474][ T351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.454195][ T351] Call Trace: [ 41.457616][ T351] ? show_regs+0x58/0x60 [ 41.461758][ T351] ? __warn+0x160/0x2f0 [ 41.465786][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.471219][ T351] ? report_bug+0x3d9/0x5b0 [ 41.475776][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.481181][ T351] ? handle_bug+0x41/0x70 [ 41.485569][ T351] ? exc_invalid_op+0x1b/0x50 [ 41.490232][ T351] ? asm_exc_invalid_op+0x12/0x20 [ 41.495149][ T351] ? wake_up_klogd+0xb8/0xf0 [ 41.499614][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.505119][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.510556][ T351] sysfs_remove_files+0xa5/0x100 [ 41.515497][ T351] del_gendisk+0x248/0xa90 [ 41.519706][ T351] ? device_add_disk_no_queue_reg+0x30/0x30 [ 41.525568][ T351] ? radix_tree_delete_item+0x24d/0x350 [ 41.530959][ T351] loop_remove+0x46/0xb0 [ 41.535075][ T351] loop_control_ioctl+0x564/0x620 [ 41.539899][ T351] ? loop_remove+0xb0/0xb0 [ 41.544402][ T351] ? __fget_files+0x31e/0x380 [ 41.549058][ T351] ? security_file_ioctl+0x84/0xb0 [ 41.553961][ T351] ? loop_remove+0xb0/0xb0 [ 41.558328][ T351] __se_sys_ioctl+0x114/0x190 [ 41.563015][ T351] __x64_sys_ioctl+0x7b/0x90 [ 41.567684][ T351] do_syscall_64+0x34/0x70 [ 41.572063][ T351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.577827][ T351] RIP: 0033:0x7fd6dc080859 [ 41.582118][ T351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 41.601934][ T351] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.610803][ T351] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 41.618762][ T351] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 41.626954][ T351] RBP: 00007fd6dc0dcad0 R08: 0000000000000000 R09: 0000000000000000 [ 41.634982][ T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.642981][ T351] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 41.651440][ T351] ---[ end trace a5dd1d451fa85bc6 ]--- [ 41.656890][ T351] ------------[ cut here ]------------ [ 41.662327][ T351] kernfs: can not remove 'events_poll_msecs', no directory [ 41.669574][ T351] WARNING: CPU: 1 PID: 351 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 41.679373][ T351] Modules linked in: [ 41.683094][ T351] CPU: 1 PID: 351 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 41.695556][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.705548][ T351] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 41.711733][ T351] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 40 99 97 ff 48 c7 c7 40 bc 4a 85 4c 89 fe e8 e1 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 23 99 97 ff bb fe ff ff ff 48 c7 c7 [ 41.731795][ T351] RSP: 0018:ffffc90000f37c18 EFLAGS: 00010246 [ 41.738081][ T351] RAX: 0cc1489f5675bc00 RBX: 0000000000000000 RCX: ffff88810b86e2c0 [ 41.746030][ T351] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 41.753777][ T351] RBP: ffffc90000f37c30 R08: ffffffff81521c48 R09: fffff520001e6e99 [ 41.761891][ T351] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 41.769739][ T351] R13: ffffffff863514a0 R14: 0000000000000000 R15: ffffffff855f61e0 [ 41.777877][ T351] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 41.786963][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.793359][ T351] CR2: 00007fd6dbbe1ff8 CR3: 000000010cbf4000 CR4: 00000000003506a0 [ 41.801206][ T351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.809534][ T351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.817463][ T351] Call Trace: [ 41.820664][ T351] ? show_regs+0x58/0x60 [ 41.824858][ T351] ? __warn+0x160/0x2f0 [ 41.829008][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.834460][ T351] ? report_bug+0x3d9/0x5b0 [ 41.838830][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.844461][ T351] ? handle_bug+0x41/0x70 [ 41.848747][ T351] ? exc_invalid_op+0x1b/0x50 [ 41.853306][ T351] ? asm_exc_invalid_op+0x12/0x20 [ 41.858314][ T351] ? wake_up_klogd+0xb8/0xf0 [ 41.862680][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.868193][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 41.873715][ T351] sysfs_remove_files+0xa5/0x100 [ 41.878593][ T351] del_gendisk+0x248/0xa90 [ 41.882829][ T351] ? device_add_disk_no_queue_reg+0x30/0x30 [ 41.888824][ T351] ? radix_tree_delete_item+0x24d/0x350 [ 41.894366][ T351] loop_remove+0x46/0xb0 [ 41.898636][ T351] loop_control_ioctl+0x564/0x620 [ 41.903385][ T351] ? loop_remove+0xb0/0xb0 [ 41.907841][ T351] ? __fget_files+0x31e/0x380 [ 41.912276][ T351] ? security_file_ioctl+0x84/0xb0 [ 41.917413][ T351] ? loop_remove+0xb0/0xb0 [ 41.921615][ T351] __se_sys_ioctl+0x114/0x190 [ 41.926283][ T351] __x64_sys_ioctl+0x7b/0x90 [ 41.930668][ T351] do_syscall_64+0x34/0x70 [ 41.935354][ T351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.941065][ T351] RIP: 0033:0x7fd6dc080859 [ 41.945466][ T351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 41.965222][ T351] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.973785][ T351] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 41.981959][ T351] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 41.989711][ T351] RBP: 00007fd6dc0dcad0 R08: 0000000000000000 R09: 0000000000000000 [ 41.997615][ T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.005528][ T351] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 42.013453][ T351] ---[ end trace a5dd1d451fa85bc7 ]--- [ 42.018824][ T351] ------------[ cut here ]------------ [ 42.024207][ T351] kernfs: can not remove 'bdi', no directory [ 42.030173][ T351] WARNING: CPU: 1 PID: 351 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 42.039650][ T351] Modules linked in: [ 42.043442][ T351] CPU: 1 PID: 351 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 42.054914][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.064798][ T351] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 42.070855][ T351] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 40 99 97 ff 48 c7 c7 40 bc 4a 85 4c 89 fe e8 e1 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 23 99 97 ff bb fe ff ff ff 48 c7 c7 [ 42.091343][ T351] RSP: 0018:ffffc90000f37c38 EFLAGS: 00010246 [ 42.097420][ T351] RAX: 0cc1489f5675bc00 RBX: 0000000000000000 RCX: ffff88810b86e2c0 [ 42.106248][ T351] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 42.114643][ T351] RBP: ffffc90000f37c50 R08: ffffffff81521c48 R09: fffff520001e6e9d [ 42.122734][ T351] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811f68a478 [ 42.130966][ T351] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff855f5a40 [ 42.139306][ T351] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.148739][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.155281][ T351] CR2: 00007fd6dbbe1ff8 CR3: 000000010cbf4000 CR4: 00000000003506a0 [ 42.163421][ T351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.171813][ T351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.180129][ T351] Call Trace: [ 42.183248][ T351] ? show_regs+0x58/0x60 [ 42.187846][ T351] ? __warn+0x160/0x2f0 [ 42.192097][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.197721][ T351] ? report_bug+0x3d9/0x5b0 [ 42.202367][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.207922][ T351] ? handle_bug+0x41/0x70 [ 42.212124][ T351] ? exc_invalid_op+0x1b/0x50 [ 42.216755][ T351] ? asm_exc_invalid_op+0x12/0x20 [ 42.222102][ T351] ? wake_up_klogd+0xb8/0xf0 [ 42.227113][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.232964][ T351] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.238575][ T351] sysfs_remove_link+0x50/0x60 [ 42.243107][ T351] del_gendisk+0x477/0xa90 [ 42.247524][ T351] ? device_add_disk_no_queue_reg+0x30/0x30 [ 42.253193][ T351] ? radix_tree_delete_item+0x24d/0x350 [ 42.258717][ T351] loop_remove+0x46/0xb0 [ 42.263173][ T351] loop_control_ioctl+0x564/0x620 [ 42.268080][ T351] ? loop_remove+0xb0/0xb0 [ 42.272557][ T351] ? __fget_files+0x31e/0x380 [ 42.277082][ T351] ? security_file_ioctl+0x84/0xb0 [ 42.281996][ T351] ? loop_remove+0xb0/0xb0 [ 42.286665][ T351] __se_sys_ioctl+0x114/0x190 [ 42.291217][ T351] __x64_sys_ioctl+0x7b/0x90 [ 42.295706][ T351] do_syscall_64+0x34/0x70 [ 42.299965][ T351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.305869][ T351] RIP: 0033:0x7fd6dc080859 [ 42.310105][ T351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 42.329654][ T351] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.337878][ T351] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 42.345786][ T351] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 42.353762][ T351] RBP: 00007fd6dc0dcad0 R08: 0000000000000000 R09: 0000000000000000 [ 42.361606][ T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.369391][ T351] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 42.377311][ T351] ---[ end trace a5dd1d451fa85bc8 ]--- [ 42.383267][ T351] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 42.395144][ T351] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 42.403386][ T351] CPU: 1 PID: 351 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999749-g87a5e148c75b #0 [ 42.414846][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.424742][ T351] RIP: 0010:device_del+0xdf/0xf00 [ 42.429943][ T351] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 2b cb dd fe 4c 89 7c 24 40 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 0a 0d 00 00 41 0f b6 1f 89 de 83 e6 01 [ 42.449829][ T351] RSP: 0018:ffffc90000f37b80 EFLAGS: 00010202 [ 42.455902][ T351] RAX: 1ffff11023ed141a RBX: ffff88811f68a0d0 RCX: ffffffff84b00085 [ 42.463727][ T351] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000f37b00 [ 42.471534][ T351] RBP: ffffc90000f37c70 R08: dffffc0000000000 R09: fffff520001e6f61 [ 42.479518][ T351] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 42.487341][ T351] R13: dffffc0000000000 R14: ffff88811f68a108 R15: 00000000000000d0 [ 42.495304][ T351] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.504157][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.510580][ T351] CR2: 00007fd6dbbe1ff8 CR3: 000000010cbf4000 CR4: 00000000003506a0 [ 42.518395][ T351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.526338][ T351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.534331][ T351] Call Trace: [ 42.537410][ T351] ? __die_body+0x62/0xb0 [ 42.541565][ T351] ? die_addr+0x9f/0xd0 [ 42.545651][ T351] ? exc_general_protection+0x3ff/0x490 [ 42.551206][ T351] ? asm_exc_general_protection+0x1e/0x30 [ 42.556852][ T351] ? mutex_lock+0xa5/0x110 [ 42.561785][ T351] ? device_del+0xdf/0xf00 [ 42.566040][ T351] ? _raw_spin_lock_irqsave+0x210/0x210 [ 42.571604][ T351] ? kill_device+0xd0/0xd0 [ 42.575943][ T351] ? mutex_unlock+0x1c/0x40 [ 42.580639][ T351] del_gendisk+0x88d/0xa90 [ 42.584890][ T351] ? device_add_disk_no_queue_reg+0x30/0x30 [ 42.590620][ T351] ? radix_tree_delete_item+0x24d/0x350 [ 42.596089][ T351] loop_remove+0x46/0xb0 [ 42.600163][ T351] loop_control_ioctl+0x564/0x620 [ 42.605111][ T351] ? loop_remove+0xb0/0xb0 [ 42.609366][ T351] ? __fget_files+0x31e/0x380 [ 42.613892][ T351] ? security_file_ioctl+0x84/0xb0 [ 42.618831][ T351] ? loop_remove+0xb0/0xb0 [ 42.623080][ T351] __se_sys_ioctl+0x114/0x190 [ 42.627590][ T351] __x64_sys_ioctl+0x7b/0x90 [ 42.632297][ T351] do_syscall_64+0x34/0x70 [ 42.636534][ T351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.642481][ T351] RIP: 0033:0x7fd6dc080859 [ 42.646704][ T351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 42.666489][ T351] RSP: 002b:00007fd6dbc030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.674824][ T351] RAX: ffffffffffffffda RBX: 00007fd6dc19ff80 RCX: 00007fd6dc080859 [ 42.682981][ T351] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 42.691101][ T351] RBP: 00007fd6dc0dcad0 R08: 0000000000000000 R09: 0000000000000000 [ 42.699228][ T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.707214][ T351] R13: 000000000000000b R14: 00007fd6dc19ff80 R15: 00007fff372eb9e8 [ 42.715558][ T351] Modules linked in: [ 42.719577][ T351] ---[ end trace a5dd1d451fa85bc9 ]--- [ 42.725476][ T351] RIP: 0010:device_del+0xdf/0xf00 [ 42.730387][ T351] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 2b cb dd fe 4c 89 7c 24 40 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 0a 0d 00 00 41 0f b6 1f 89 de 83 e6 01 [ 42.750325][ T351] RSP: 0018:ffffc90000f37b80 EFLAGS: 00010202 [ 42.756259][ T351] RAX: 1ffff11023ed141a RBX: ffff88811f68a0d0 RCX: ffffffff84b00085 [ 42.764196][ T351] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000f37b00 [ 42.772804][ T351] RBP: ffffc90000f37c70 R08: dffffc0000000000 R09: fffff520001e6f61 [ 42.780863][ T351] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 42.788786][ T351] R13: dffffc0000000000 R14: ffff88811f68a108 R15: 00000000000000d0 [ 42.796569][ T351] FS: 00007fd6dbc036c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.805610][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.812078][ T351] CR2: 00007fd6dbbe1ff8 CR3: 000000010cbf4000 CR4: 00000000003506a0 [ 42.820269][ T351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.828354][ T351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.836195][ T351] Kernel panic - not syncing: Fatal exception [ 42.842379][ T351] Kernel Offset: disabled [ 42.846516][ T351] Rebooting in 86400 seconds..