Warning: Permanently added '10.128.1.159' (ED25519) to the list of known hosts. 2023/12/27 01:16:26 ignoring optional flag "sandboxArg"="0" 2023/12/27 01:16:26 parsed 1 programs [ 42.217481][ T24] audit: type=1400 audit(1703639786.340:154): avc: denied { mounton } for pid=338 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 [ 42.242156][ T24] audit: type=1400 audit(1703639786.340:155): avc: denied { mount } for pid=338 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 2023/12/27 01:16:26 executed programs: 0 [ 42.265119][ T24] audit: type=1400 audit(1703639786.370:156): avc: denied { unlink } for pid=338 comm="syz-executor" name="swap-file" dev="sda1" ino=1929 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 42.306155][ T338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 42.354310][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.361206][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.368440][ T344] device bridge_slave_0 entered promiscuous mode [ 42.375015][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.382048][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.389166][ T344] device bridge_slave_1 entered promiscuous mode [ 42.419911][ T24] audit: type=1400 audit(1703639786.550:157): avc: denied { write } for pid=344 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.424803][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.440887][ T24] audit: type=1400 audit(1703639786.550:158): avc: denied { read } for pid=344 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.447676][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.475430][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.482250][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.498854][ T298] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.505959][ T298] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.513170][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.520450][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.538873][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.546910][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.555019][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.561866][ T298] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.569054][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.576933][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.583709][ T298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.590839][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.598537][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.609218][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.616914][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.625014][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.633861][ T344] device veth0_vlan entered promiscuous mode [ 42.642906][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.651514][ T344] device veth1_macvtap entered promiscuous mode [ 42.660216][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.671528][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.682657][ T24] audit: type=1400 audit(1703639786.810:159): avc: denied { mounton } for pid=344 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 [ 42.708723][ T24] audit: type=1400 audit(1703639786.830:160): avc: denied { ioctl } for pid=349 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 [ 42.749627][ T350] FAULT_INJECTION: forcing a failure. [ 42.749627][ T350] name failslab, interval 1, probability 0, space 0, times 1 [ 42.762252][ T350] CPU: 1 PID: 350 Comm: syz-executor.0 Not tainted 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 42.772259][ T350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.782152][ T350] Call Trace: [ 42.785291][ T350] dump_stack_lvl+0x1e2/0x24b [ 42.789796][ T350] ? panic+0x80b/0x80b [ 42.793701][ T350] ? bfq_pos_tree_add_move+0x43b/0x43b [ 42.798995][ T350] dump_stack+0x15/0x17 [ 42.802988][ T350] should_fail+0x3c6/0x510 [ 42.807241][ T350] ? security_inode_alloc+0x29/0x120 [ 42.812361][ T350] __should_failslab+0xa4/0xe0 [ 42.816962][ T350] should_failslab+0x9/0x20 [ 42.821308][ T350] kmem_cache_alloc+0x3d/0x2e0 [ 42.825902][ T350] ? slab_post_alloc_hook+0x61/0x2f0 [ 42.831021][ T350] security_inode_alloc+0x29/0x120 [ 42.835967][ T350] inode_init_always+0x767/0x9f0 [ 42.840756][ T350] new_inode_pseudo+0x93/0x220 [ 42.845342][ T350] new_inode+0x28/0x1c0 [ 42.849364][ T350] ? start_creating+0x1d4/0x2f0 [ 42.854018][ T350] __debugfs_create_file+0x14d/0x4c0 [ 42.859142][ T350] ? up_write+0x59/0x120 [ 42.863218][ T350] debugfs_create_file+0x4a/0x60 [ 42.867992][ T350] bdi_register_va+0x2a6/0x610 [ 42.872598][ T350] bdi_register+0xd1/0x120 [ 42.876846][ T350] ? vsnprintf+0x1e1/0x1c70 [ 42.881189][ T350] ? __device_add_disk+0x552/0x11a0 [ 42.886334][ T350] ? bdi_register_va+0x610/0x610 [ 42.891098][ T350] ? __kasan_check_read+0x11/0x20 [ 42.895955][ T350] ? blk_alloc_devt+0xd7/0x330 [ 42.900682][ T350] __device_add_disk+0x5de/0x11a0 [ 42.905677][ T350] ? device_add_disk+0x40/0x40 [ 42.910278][ T350] ? vsprintf+0x40/0x40 [ 42.914270][ T350] ? device_initialize+0x1e1/0x420 [ 42.919218][ T350] device_add_disk+0x2a/0x40 [ 42.923729][ T350] loop_add+0x580/0x750 [ 42.927896][ T350] loop_control_ioctl+0x448/0x620 [ 42.932755][ T350] ? loop_remove+0xb0/0xb0 [ 42.937010][ T350] ? __fget_files+0x31e/0x380 [ 42.941700][ T350] ? security_file_ioctl+0x84/0xb0 [ 42.946643][ T350] ? loop_remove+0xb0/0xb0 [ 42.950928][ T350] __se_sys_ioctl+0x114/0x190 [ 42.955415][ T350] __x64_sys_ioctl+0x7b/0x90 [ 42.960026][ T350] do_syscall_64+0x34/0x70 [ 42.964263][ T350] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.969993][ T350] RIP: 0033:0x7f2e1de6cae9 [ 42.974242][ T350] 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 [ 42.993704][ T350] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.001931][ T350] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 43.009740][ T350] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.017548][ T350] RBP: 00007f2e1d9ef120 R08: 0000000000000000 R09: 0000000000000000 [ 43.025362][ T350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.033173][ T350] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 43.041901][ T350] debugfs: out of free dentries, can not create file 'stats' [ 43.100375][ T354] FAULT_INJECTION: forcing a failure. [ 43.100375][ T354] name failslab, interval 1, probability 0, space 0, times 0 [ 43.112799][ T354] CPU: 1 PID: 354 Comm: syz-executor.0 Not tainted 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 43.122857][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.132725][ T354] Call Trace: [ 43.135869][ T354] dump_stack_lvl+0x1e2/0x24b [ 43.140386][ T354] ? bfq_pos_tree_add_move+0x43b/0x43b [ 43.145673][ T354] dump_stack+0x15/0x17 [ 43.149665][ T354] should_fail+0x3c6/0x510 [ 43.153912][ T354] ? device_add+0xbe/0xbc0 [ 43.158170][ T354] __should_failslab+0xa4/0xe0 [ 43.162766][ T354] should_failslab+0x9/0x20 [ 43.167127][ T354] kmem_cache_alloc_trace+0x3a/0x2e0 [ 43.172332][ T354] ? __kasan_check_write+0x14/0x20 [ 43.177272][ T354] device_add+0xbe/0xbc0 [ 43.181359][ T354] __device_add_disk+0x785/0x11a0 [ 43.186212][ T354] ? device_add_disk+0x40/0x40 [ 43.190825][ T354] ? vsprintf+0x40/0x40 [ 43.194804][ T354] ? device_initialize+0x1e1/0x420 [ 43.199752][ T354] device_add_disk+0x2a/0x40 [ 43.204175][ T354] loop_add+0x580/0x750 [ 43.208172][ T354] loop_control_ioctl+0x448/0x620 [ 43.213027][ T354] ? loop_remove+0xb0/0xb0 [ 43.217280][ T354] ? __fget_files+0x31e/0x380 [ 43.221803][ T354] ? security_file_ioctl+0x84/0xb0 [ 43.226743][ T354] ? loop_remove+0xb0/0xb0 [ 43.230994][ T354] __se_sys_ioctl+0x114/0x190 [ 43.235529][ T354] __x64_sys_ioctl+0x7b/0x90 [ 43.239946][ T354] do_syscall_64+0x34/0x70 [ 43.244190][ T354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.249913][ T354] RIP: 0033:0x7f2e1de6cae9 [ 43.254179][ T354] 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 [ 43.273616][ T354] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.281853][ T354] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 43.289665][ T354] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.297474][ T354] RBP: 00007f2e1d9ef120 R08: 0000000000000000 R09: 0000000000000000 [ 43.305373][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.313188][ T354] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 43.321765][ T354] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 43.329464][ T354] ------------[ cut here ]------------ [ 43.334679][ T354] WARNING: CPU: 1 PID: 354 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 43.343643][ T354] Modules linked in: [ 43.347350][ T354] CPU: 1 PID: 354 Comm: syz-executor.0 Not tainted 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 43.357440][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.367338][ T354] RIP: 0010:sysfs_create_files+0x325/0x470 [ 43.372970][ T354] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 21 a9 d4 ff e9 a8 fe ff ff e8 f7 3d 97 ff 31 db e9 ef 00 00 00 e8 eb 3d 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 43.392679][ T354] RSP: 0018:ffffc90000f17b00 EFLAGS: 00010293 [ 43.398587][ T354] RAX: ffffffff81d36968 RBX: ffff88811ead1098 RCX: ffff88810ce262c0 [ 43.406359][ T354] RDX: 0000000000000000 RSI: ffffffff863514a0 RDI: ffff88811ead1068 [ 43.414761][ T354] RBP: ffffc90000f17bd0 R08: ffffffff82701f47 R09: ffffed102159cc0a [ 43.422684][ T354] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.430546][ T354] R13: ffffffff855f5f20 R14: dffffc0000000000 R15: ffff88811ead1068 [ 43.438344][ T354] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.447069][ T354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.453545][ T354] CR2: 00007f2e1d9eeff8 CR3: 000000011ed5a000 CR4: 00000000003506a0 [ 43.461551][ T354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.469376][ T354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.477173][ T354] Call Trace: [ 43.480307][ T354] ? show_regs+0x58/0x60 [ 43.484384][ T354] ? __warn+0x160/0x2f0 [ 43.488376][ T354] ? sysfs_create_files+0x325/0x470 [ 43.493364][ T354] ? report_bug+0x3d9/0x5b0 [ 43.497709][ T354] ? sysfs_create_files+0x325/0x470 [ 43.502812][ T354] ? handle_bug+0x41/0x70 [ 43.506904][ T354] ? exc_invalid_op+0x1b/0x50 [ 43.511456][ T354] ? asm_exc_invalid_op+0x12/0x20 [ 43.516278][ T354] ? kobject_get+0xc7/0x120 [ 43.520647][ T354] ? sysfs_create_files+0x458/0x470 [ 43.525654][ T354] ? sysfs_create_files+0x325/0x470 [ 43.530803][ T354] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 43.535981][ T354] ? __kasan_check_write+0x14/0x20 [ 43.541176][ T354] ? kobject_get+0xd1/0x120 [ 43.545481][ T354] __device_add_disk+0x9a7/0x11a0 [ 43.550442][ T354] ? device_add_disk+0x40/0x40 [ 43.554940][ T354] ? vsprintf+0x40/0x40 [ 43.558969][ T354] ? device_initialize+0x1e1/0x420 [ 43.563885][ T354] device_add_disk+0x2a/0x40 [ 43.568343][ T354] loop_add+0x580/0x750 [ 43.572301][ T354] loop_control_ioctl+0x448/0x620 [ 43.577163][ T354] ? loop_remove+0xb0/0xb0 [ 43.581440][ T354] ? __fget_files+0x31e/0x380 [ 43.585935][ T354] ? security_file_ioctl+0x84/0xb0 [ 43.590899][ T354] ? loop_remove+0xb0/0xb0 [ 43.596374][ T354] __se_sys_ioctl+0x114/0x190 [ 43.600881][ T354] __x64_sys_ioctl+0x7b/0x90 [ 43.605285][ T354] do_syscall_64+0x34/0x70 [ 43.609563][ T354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.615260][ T354] RIP: 0033:0x7f2e1de6cae9 [ 43.619983][ T354] 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 [ 43.639555][ T354] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.647870][ T354] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 43.655730][ T354] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.663562][ T354] RBP: 00007f2e1d9ef120 R08: 0000000000000000 R09: 0000000000000000 [ 43.671409][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.679225][ T354] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 43.686985][ T354] ---[ end trace 93931cb63da03143 ]--- [ 43.692302][ T354] ------------[ cut here ]------------ [ 43.697583][ T354] kernfs: can not remove 'events', no directory [ 43.703901][ T354] WARNING: CPU: 0 PID: 354 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 43.713451][ T354] Modules linked in: [ 43.717063][ T354] CPU: 0 PID: 354 Comm: syz-executor.0 Tainted: G W 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 43.728598][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.738547][ T354] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 43.744692][ T354] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 c0 9c 97 ff 48 c7 c7 00 bb 4a 85 4c 89 fe e8 21 2e 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 a3 9c 97 ff bb fe ff ff ff 48 c7 c7 [ 43.764170][ T354] RSP: 0018:ffffc90000f17ad8 EFLAGS: 00010246 [ 43.770060][ T354] RAX: 257e3123a8c76c00 RBX: 0000000000000000 RCX: ffff88810ce262c0 [ 43.777776][ T354] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.785774][ T354] RBP: ffffc90000f17af0 R08: ffffffff81521c88 R09: ffffed103ee4a5f8 [ 43.793666][ T354] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.801428][ T354] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff855f5fe0 [ 43.809270][ T354] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.817954][ T354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.824533][ T354] CR2: 00007f2e1d9eeff8 CR3: 000000011ed5a000 CR4: 00000000003506a0 [ 43.832296][ T354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.840111][ T354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.847898][ T354] Call Trace: [ 43.851065][ T354] ? show_regs+0x58/0x60 [ 43.855115][ T354] ? __warn+0x160/0x2f0 [ 43.859130][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.864565][ T354] ? report_bug+0x3d9/0x5b0 [ 43.868936][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.874377][ T354] ? handle_bug+0x41/0x70 [ 43.878592][ T354] ? exc_invalid_op+0x1b/0x50 [ 43.883052][ T354] ? asm_exc_invalid_op+0x12/0x20 [ 43.887915][ T354] ? wake_up_klogd+0xb8/0xf0 [ 43.892364][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.897784][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.903285][ T354] sysfs_create_files+0x3de/0x470 [ 43.908116][ T354] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 43.913384][ T354] ? __kasan_check_write+0x14/0x20 [ 43.918295][ T354] ? kobject_get+0xd1/0x120 [ 43.922605][ T354] __device_add_disk+0x9a7/0x11a0 [ 43.927618][ T354] ? device_add_disk+0x40/0x40 [ 43.932245][ T354] ? vsprintf+0x40/0x40 [ 43.936338][ T354] ? device_initialize+0x1e1/0x420 [ 43.941337][ T354] device_add_disk+0x2a/0x40 [ 43.945699][ T354] loop_add+0x580/0x750 [ 43.949730][ T354] loop_control_ioctl+0x448/0x620 [ 43.954553][ T354] ? loop_remove+0xb0/0xb0 [ 43.958842][ T354] ? __fget_files+0x31e/0x380 [ 43.963324][ T354] ? security_file_ioctl+0x84/0xb0 [ 43.968426][ T354] ? loop_remove+0xb0/0xb0 [ 43.972647][ T354] __se_sys_ioctl+0x114/0x190 [ 43.977170][ T354] __x64_sys_ioctl+0x7b/0x90 [ 43.981626][ T354] do_syscall_64+0x34/0x70 [ 43.985868][ T354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.991604][ T354] RIP: 0033:0x7f2e1de6cae9 [ 43.995817][ T354] 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 [ 44.015623][ T354] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.023880][ T354] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 44.031681][ T354] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.039492][ T354] RBP: 00007f2e1d9ef120 R08: 0000000000000000 R09: 0000000000000000 [ 44.047359][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.055376][ T354] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 44.063210][ T354] ---[ end trace 93931cb63da03144 ]--- [ 44.068562][ T354] loop0: failed to create sysfs files for events [ 44.080627][ T357] ------------[ cut here ]------------ [ 44.085920][ T357] kernfs: can not remove 'events', no directory [ 44.092330][ T357] WARNING: CPU: 0 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 44.101950][ T357] Modules linked in: [ 44.105677][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 44.117182][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.127069][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 44.133235][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 c0 9c 97 ff 48 c7 c7 00 bb 4a 85 4c 89 fe e8 21 2e 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 a3 9c 97 ff bb fe ff ff ff 48 c7 c7 [ 44.152679][ T357] RSP: 0018:ffffc90000ed7c18 EFLAGS: 00010246 [ 44.158625][ T357] RAX: d693c5cc34947f00 RBX: 0000000000000000 RCX: ffff88810ca493c0 [ 44.166403][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.174461][ T357] RBP: ffffc90000ed7c30 R08: ffffffff81521c88 R09: fffff520001dae99 [ 44.182422][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.190273][ T357] R13: ffffffff863514a0 R14: 0000000000000000 R15: ffffffff855f5fe0 [ 44.198047][ T357] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.207049][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.213450][ T357] CR2: 00007fff09be5678 CR3: 000000010d354000 CR4: 00000000003506b0 [ 44.221246][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.229052][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.236946][ T357] Call Trace: [ 44.240221][ T357] ? show_regs+0x58/0x60 [ 44.244269][ T357] ? __warn+0x160/0x2f0 [ 44.248290][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.253729][ T357] ? report_bug+0x3d9/0x5b0 [ 44.258071][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.263751][ T357] ? handle_bug+0x41/0x70 [ 44.267978][ T357] ? exc_invalid_op+0x1b/0x50 [ 44.272621][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 44.277471][ T357] ? wake_up_klogd+0xb8/0xf0 [ 44.281951][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.287348][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.292889][ T357] sysfs_remove_files+0xa5/0x100 [ 44.297579][ T357] del_gendisk+0x248/0xa90 [ 44.301861][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.307562][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 44.312973][ T357] loop_remove+0x46/0xb0 [ 44.317022][ T357] loop_control_ioctl+0x564/0x620 [ 44.321911][ T357] ? loop_remove+0xb0/0xb0 [ 44.326134][ T357] ? __fget_files+0x31e/0x380 [ 44.330778][ T357] ? security_file_ioctl+0x84/0xb0 [ 44.335691][ T357] ? loop_remove+0xb0/0xb0 [ 44.339973][ T357] __se_sys_ioctl+0x114/0x190 [ 44.344453][ T357] __x64_sys_ioctl+0x7b/0x90 [ 44.348915][ T357] do_syscall_64+0x34/0x70 [ 44.353129][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.358882][ T357] RIP: 0033:0x7f2e1de6cae9 [ 44.363104][ T357] 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 [ 44.382597][ T357] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.390815][ T357] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 44.398769][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.406540][ T357] RBP: 00007f2e1deb847a R08: 0000000000000000 R09: 0000000000000000 [ 44.414504][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.422606][ T357] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 44.430714][ T357] ---[ end trace 93931cb63da03145 ]--- [ 44.436016][ T357] ------------[ cut here ]------------ [ 44.441346][ T357] kernfs: can not remove 'events_async', no directory [ 44.447962][ T357] WARNING: CPU: 0 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 44.457483][ T357] Modules linked in: [ 44.461281][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 44.472744][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.482660][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 44.488857][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 c0 9c 97 ff 48 c7 c7 00 bb 4a 85 4c 89 fe e8 21 2e 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 a3 9c 97 ff bb fe ff ff ff 48 c7 c7 [ 44.508561][ T357] RSP: 0018:ffffc90000ed7c18 EFLAGS: 00010246 [ 44.514457][ T357] RAX: d693c5cc34947f00 RBX: 0000000000000000 RCX: ffff88810ca493c0 [ 44.522455][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.530376][ T357] RBP: ffffc90000ed7c30 R08: ffffffff81521c88 R09: ffffed103ee4a5f8 [ 44.538214][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.545981][ T357] R13: ffffffff863514a0 R14: 0000000000000000 R15: ffffffff855f6080 [ 44.553847][ T357] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.562665][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.569137][ T357] CR2: 00007fff09be5678 CR3: 000000010d354000 CR4: 00000000003506b0 [ 44.576886][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.584839][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.592676][ T357] Call Trace: [ 44.595775][ T357] ? show_regs+0x58/0x60 [ 44.599970][ T357] ? __warn+0x160/0x2f0 [ 44.603971][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.609490][ T357] ? report_bug+0x3d9/0x5b0 [ 44.613894][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.619389][ T357] ? handle_bug+0x41/0x70 [ 44.623536][ T357] ? exc_invalid_op+0x1b/0x50 [ 44.628040][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 44.633102][ T357] ? wake_up_klogd+0xb8/0xf0 [ 44.637483][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.642983][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.648415][ T357] sysfs_remove_files+0xa5/0x100 [ 44.653181][ T357] del_gendisk+0x248/0xa90 [ 44.657427][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.663409][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 44.669066][ T357] loop_remove+0x46/0xb0 [ 44.673144][ T357] loop_control_ioctl+0x564/0x620 [ 44.678026][ T357] ? loop_remove+0xb0/0xb0 [ 44.682325][ T357] ? __fget_files+0x31e/0x380 [ 44.686773][ T357] ? security_file_ioctl+0x84/0xb0 [ 44.691745][ T357] ? loop_remove+0xb0/0xb0 [ 44.695966][ T357] __se_sys_ioctl+0x114/0x190 [ 44.700508][ T357] __x64_sys_ioctl+0x7b/0x90 [ 44.704912][ T357] do_syscall_64+0x34/0x70 [ 44.709194][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.714891][ T357] RIP: 0033:0x7f2e1de6cae9 [ 44.719172][ T357] 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 [ 44.738723][ T357] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.747061][ T357] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 44.755121][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.762984][ T357] RBP: 00007f2e1deb847a R08: 0000000000000000 R09: 0000000000000000 [ 44.770873][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.778767][ T357] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 44.786552][ T357] ---[ end trace 93931cb63da03146 ]--- [ 44.792004][ T357] ------------[ cut here ]------------ [ 44.797417][ T357] kernfs: can not remove 'events_poll_msecs', no directory [ 44.804577][ T357] WARNING: CPU: 0 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 44.814491][ T357] Modules linked in: [ 44.818407][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 44.829874][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.839970][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 44.846035][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 c0 9c 97 ff 48 c7 c7 00 bb 4a 85 4c 89 fe e8 21 2e 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 a3 9c 97 ff bb fe ff ff ff 48 c7 c7 [ 44.865628][ T357] RSP: 0018:ffffc90000ed7c18 EFLAGS: 00010246 [ 44.871521][ T357] RAX: d693c5cc34947f00 RBX: 0000000000000000 RCX: ffff88810ca493c0 [ 44.879415][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.887199][ T357] RBP: ffffc90000ed7c30 R08: ffffffff81521c88 R09: fffff520001dae99 [ 44.895040][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.902981][ T357] R13: ffffffff863514a0 R14: 0000000000000000 R15: ffffffff855f60a0 [ 44.911234][ T357] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.919980][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.926492][ T357] CR2: 00007fff09be5678 CR3: 000000010d354000 CR4: 00000000003506b0 [ 44.934302][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.942275][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.950082][ T357] Call Trace: [ 44.953200][ T357] ? show_regs+0x58/0x60 [ 44.957269][ T357] ? __warn+0x160/0x2f0 [ 44.961290][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.966735][ T357] ? report_bug+0x3d9/0x5b0 [ 44.971220][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.976632][ T357] ? handle_bug+0x41/0x70 [ 44.980995][ T357] ? exc_invalid_op+0x1b/0x50 [ 44.985539][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 44.990535][ T357] ? wake_up_klogd+0xb8/0xf0 [ 44.994937][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 45.000479][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 45.005870][ T357] sysfs_remove_files+0xa5/0x100 [ 45.010848][ T357] del_gendisk+0x248/0xa90 [ 45.014988][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 45.020775][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 45.026182][ T357] loop_remove+0x46/0xb0 [ 45.030295][ T357] loop_control_ioctl+0x564/0x620 [ 45.035123][ T357] ? loop_remove+0xb0/0xb0 [ 45.039408][ T357] ? __fget_files+0x31e/0x380 [ 45.044061][ T357] ? security_file_ioctl+0x84/0xb0 [ 45.049119][ T357] ? loop_remove+0xb0/0xb0 [ 45.053351][ T357] __se_sys_ioctl+0x114/0x190 [ 45.058048][ T357] __x64_sys_ioctl+0x7b/0x90 [ 45.062498][ T357] do_syscall_64+0x34/0x70 [ 45.066717][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.072579][ T357] RIP: 0033:0x7f2e1de6cae9 [ 45.076795][ T357] 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 [ 45.096289][ T357] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.104492][ T357] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 45.112400][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.120205][ T357] RBP: 00007f2e1deb847a R08: 0000000000000000 R09: 0000000000000000 [ 45.127998][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.135859][ T357] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 45.143736][ T357] ---[ end trace 93931cb63da03147 ]--- [ 45.149002][ T357] ------------[ cut here ]------------ [ 45.154206][ T357] kernfs: can not remove 'bdi', no directory [ 45.160260][ T357] WARNING: CPU: 1 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 45.169705][ T357] Modules linked in: [ 45.173416][ T357] CPU: 1 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 45.184912][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.194880][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 45.200972][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 c0 9c 97 ff 48 c7 c7 00 bb 4a 85 4c 89 fe e8 21 2e 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 a3 9c 97 ff bb fe ff ff ff 48 c7 c7 [ 45.220386][ T357] RSP: 0018:ffffc90000ed7c38 EFLAGS: 00010246 [ 45.226268][ T357] RAX: d693c5cc34947f00 RBX: 0000000000000000 RCX: ffff88810ca493c0 [ 45.234111][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.241934][ T357] RBP: ffffc90000ed7c50 R08: ffffffff81521c88 R09: ffffed103ee6a5f8 [ 45.249841][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811ead1478 [ 45.257604][ T357] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff855f5900 [ 45.265460][ T357] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.274204][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.280651][ T357] CR2: 00007f2e1d9cdff8 CR3: 000000010d354000 CR4: 00000000003506a0 [ 45.288449][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.296226][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.304085][ T357] Call Trace: [ 45.307168][ T357] ? show_regs+0x58/0x60 [ 45.311286][ T357] ? __warn+0x160/0x2f0 [ 45.315235][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 45.320735][ T357] ? report_bug+0x3d9/0x5b0 [ 45.325050][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 45.330558][ T357] ? handle_bug+0x41/0x70 [ 45.334682][ T357] ? exc_invalid_op+0x1b/0x50 [ 45.339223][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 45.344051][ T357] ? wake_up_klogd+0xb8/0xf0 [ 45.348510][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 45.353949][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 45.359447][ T357] sysfs_remove_link+0x50/0x60 [ 45.364013][ T357] del_gendisk+0x477/0xa90 [ 45.368299][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 45.374000][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 45.379406][ T357] loop_remove+0x46/0xb0 [ 45.383470][ T357] loop_control_ioctl+0x564/0x620 [ 45.388348][ T357] ? loop_remove+0xb0/0xb0 [ 45.392570][ T357] ? __fget_files+0x31e/0x380 [ 45.397081][ T357] ? security_file_ioctl+0x84/0xb0 [ 45.402063][ T357] ? loop_remove+0xb0/0xb0 [ 45.406280][ T357] __se_sys_ioctl+0x114/0x190 [ 45.410825][ T357] __x64_sys_ioctl+0x7b/0x90 [ 45.415222][ T357] do_syscall_64+0x34/0x70 [ 45.419529][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.425198][ T357] RIP: 0033:0x7f2e1de6cae9 [ 45.429516][ T357] 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 [ 45.448940][ T357] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.457136][ T357] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 45.464980][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.472781][ T357] RBP: 00007f2e1deb847a R08: 0000000000000000 R09: 0000000000000000 [ 45.480609][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.488395][ T357] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 45.496198][ T357] ---[ end trace 93931cb63da03148 ]--- [ 45.501933][ T357] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 45.513452][ T357] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 45.521697][ T357] CPU: 1 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.204-syzkaller-999737-gf7977422e132 #0 [ 45.533146][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.543052][ T357] RIP: 0010:device_del+0xdf/0xf00 [ 45.547899][ T357] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 6b d2 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 [ 45.567341][ T357] RSP: 0018:ffffc90000ed7b80 EFLAGS: 00010202 [ 45.573243][ T357] RAX: 1ffff11023d5a21a RBX: ffff88811ead10d0 RCX: ffffffff84aff025 [ 45.581053][ T357] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000ed7b00 [ 45.588921][ T357] RBP: ffffc90000ed7c70 R08: dffffc0000000000 R09: fffff520001daf61 [ 45.596691][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 45.604495][ T357] R13: dffffc0000000000 R14: ffff88811ead1108 R15: 00000000000000d0 [ 45.612416][ T357] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.621186][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.627886][ T357] CR2: 00007f2e1d9cdff8 CR3: 000000010d354000 CR4: 00000000003506a0 [ 45.635670][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.643484][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.651285][ T357] Call Trace: [ 45.654436][ T357] ? __die_body+0x62/0xb0 [ 45.658582][ T357] ? die_addr+0x9f/0xd0 [ 45.662596][ T357] ? exc_general_protection+0x3ff/0x490 [ 45.667962][ T357] ? asm_exc_general_protection+0x1e/0x30 [ 45.673519][ T357] ? mutex_lock+0xa5/0x110 [ 45.677762][ T357] ? device_del+0xdf/0xf00 [ 45.682023][ T357] ? _raw_spin_lock_irqsave+0x210/0x210 [ 45.687401][ T357] ? kill_device+0xd0/0xd0 [ 45.691654][ T357] ? mutex_unlock+0x1c/0x40 [ 45.695989][ T357] del_gendisk+0x88d/0xa90 [ 45.700244][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 45.705975][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 45.711356][ T357] loop_remove+0x46/0xb0 [ 45.715434][ T357] loop_control_ioctl+0x564/0x620 [ 45.720289][ T357] ? loop_remove+0xb0/0xb0 [ 45.724541][ T357] ? __fget_files+0x31e/0x380 [ 45.729074][ T357] ? security_file_ioctl+0x84/0xb0 [ 45.734004][ T357] ? loop_remove+0xb0/0xb0 [ 45.738268][ T357] __se_sys_ioctl+0x114/0x190 [ 45.742778][ T357] __x64_sys_ioctl+0x7b/0x90 [ 45.747219][ T357] do_syscall_64+0x34/0x70 [ 45.751451][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.757178][ T357] RIP: 0033:0x7f2e1de6cae9 [ 45.761430][ T357] 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 [ 45.781175][ T357] RSP: 002b:00007f2e1d9ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.789410][ T357] RAX: ffffffffffffffda RBX: 00007f2e1df8bf80 RCX: 00007f2e1de6cae9 [ 45.797229][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.805034][ T357] RBP: 00007f2e1deb847a R08: 0000000000000000 R09: 0000000000000000 [ 45.812853][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.820657][ T357] R13: 000000000000000b R14: 00007f2e1df8bf80 R15: 00007fff09be5468 [ 45.828466][ T357] Modules linked in: [ 45.832577][ T357] ---[ end trace 93931cb63da03149 ]--- [ 45.837852][ T357] RIP: 0010:device_del+0xdf/0xf00 [ 45.842781][ T357] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 6b d2 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 [ 45.862330][ T357] RSP: 0018:ffffc90000ed7b80 EFLAGS: 00010202 [ 45.868234][ T357] RAX: 1ffff11023d5a21a RBX: ffff88811ead10d0 RCX: ffffffff84aff025 [ 45.876009][ T357] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000ed7b00 [ 45.883867][ T357] RBP: ffffc90000ed7c70 R08: dffffc0000000000 R09: fffff520001daf61 [ 45.891642][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 45.899484][ T357] R13: dffffc0000000000 R14: ffff88811ead1108 R15: 00000000000000d0 [ 45.907253][ T357] FS: 00007f2e1d9ef6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.916075][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.922457][ T357] CR2: 00007fff09be5678 CR3: 000000010d354000 CR4: 00000000003506b0 [ 45.930278][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.938063][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.945924][ T357] Kernel panic - not syncing: Fatal exception [ 45.952043][ T357] Kernel Offset: disabled [ 45.956170][ T357] Rebooting in 86400 seconds..