[ 27.378791][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.392618][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.401199][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.417008][ T296] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 28.068818][ T9] device bridge_slave_1 left promiscuous mode [ 28.074803][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.082302][ T9] device bridge_slave_0 left promiscuous mode [ 28.088380][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.096052][ T9] device veth1_macvtap left promiscuous mode [ 28.101984][ T9] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.210' (ED25519) to the list of known hosts. 2024/08/16 00:17:54 ignoring optional flag "sandboxArg"="0" 2024/08/16 00:17:55 parsed 1 programs [ 45.296368][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 45.296382][ T24] audit: type=1400 audit(1723767475.090:94): avc: denied { mount } for pid=341 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 [ 45.325747][ T24] audit: type=1400 audit(1723767475.130:95): avc: denied { unlink } for pid=341 comm="syz-executor" name="swap-file" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2024/08/16 00:17:55 executed programs: 0 [ 45.392121][ T341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 45.445870][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.453187][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.460627][ T348] device bridge_slave_0 entered promiscuous mode [ 45.467348][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.474211][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.481392][ T348] device bridge_slave_1 entered promiscuous mode [ 45.518378][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.525240][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.532471][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.539334][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.557046][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.564291][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.571760][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.580074][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.588837][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.596739][ T301] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.603724][ T301] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.611950][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.619983][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.626802][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.645997][ T348] device veth0_vlan entered promiscuous mode [ 45.653339][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.661871][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.670051][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.677348][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.685161][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.693234][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.705440][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.714901][ T348] device veth1_macvtap entered promiscuous mode [ 45.723886][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.734663][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.748568][ T24] audit: type=1400 audit(1723767475.550:96): avc: denied { mounton } for pid=348 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 [ 45.776314][ T24] audit: type=1400 audit(1723767475.580:97): avc: denied { read } for pid=353 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 45.801954][ T24] audit: type=1400 audit(1723767475.580:98): avc: denied { open } for pid=353 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 45.827260][ T24] audit: type=1400 audit(1723767475.580:99): avc: denied { ioctl } for pid=353 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 [ 45.860168][ T356] FAULT_INJECTION: forcing a failure. [ 45.860168][ T356] name failslab, interval 1, probability 0, space 0, times 1 [ 45.872916][ T356] CPU: 0 PID: 356 Comm: syz-executor.0 Not tainted 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 45.883066][ T356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 45.892956][ T356] Call Trace: [ 45.896093][ T356] dump_stack_lvl+0x1e2/0x24b [ 45.900586][ T356] ? panic+0x812/0x812 [ 45.904489][ T356] ? bfq_pos_tree_add_move+0x43b/0x43b [ 45.909922][ T356] dump_stack+0x15/0x17 [ 45.913898][ T356] should_fail+0x3c6/0x510 [ 45.918161][ T356] ? security_inode_alloc+0x29/0x120 [ 45.923280][ T356] __should_failslab+0xa4/0xe0 [ 45.927874][ T356] should_failslab+0x9/0x20 [ 45.932213][ T356] kmem_cache_alloc+0x3d/0x2e0 [ 45.936901][ T356] ? slab_post_alloc_hook+0x61/0x2f0 [ 45.942030][ T356] security_inode_alloc+0x29/0x120 [ 45.946967][ T356] inode_init_always+0x767/0x9f0 [ 45.951764][ T356] new_inode_pseudo+0x93/0x220 [ 45.956351][ T356] new_inode+0x28/0x1c0 [ 45.960341][ T356] ? start_creating+0x1d4/0x2f0 [ 45.965028][ T356] __debugfs_create_file+0x14d/0x4c0 [ 45.970160][ T356] ? up_write+0x59/0x120 [ 45.974229][ T356] debugfs_create_file+0x4a/0x60 [ 45.979100][ T356] bdi_register_va+0x2a6/0x610 [ 45.983703][ T356] bdi_register+0xd1/0x120 [ 45.987966][ T356] ? vsnprintf+0x1e1/0x1c70 [ 45.992294][ T356] ? __device_add_disk+0x552/0x11a0 [ 45.997325][ T356] ? bdi_register_va+0x610/0x610 [ 46.002102][ T356] ? __kasan_check_read+0x11/0x20 [ 46.006959][ T356] ? blk_alloc_devt+0xd7/0x330 [ 46.011558][ T356] __device_add_disk+0x5de/0x11a0 [ 46.016419][ T356] ? device_add_disk+0x40/0x40 [ 46.021019][ T356] ? vsprintf+0x40/0x40 [ 46.025011][ T356] ? device_initialize+0x1e1/0x420 [ 46.029965][ T356] device_add_disk+0x2a/0x40 [ 46.034386][ T356] loop_add+0x580/0x750 [ 46.038379][ T356] loop_control_ioctl+0x448/0x620 [ 46.043238][ T356] ? loop_remove+0xb0/0xb0 [ 46.047488][ T356] ? __fget_files+0x31e/0x380 [ 46.052094][ T356] ? security_file_ioctl+0x84/0xb0 [ 46.057045][ T356] ? loop_remove+0xb0/0xb0 [ 46.061291][ T356] __se_sys_ioctl+0x114/0x190 [ 46.065804][ T356] __x64_sys_ioctl+0x7b/0x90 [ 46.070257][ T356] do_syscall_64+0x34/0x70 [ 46.074494][ T356] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.080218][ T356] RIP: 0033:0x7f68f7275ae9 [ 46.084476][ T356] 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 [ 46.103904][ T356] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.112150][ T356] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 46.120169][ T356] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.127947][ T356] RBP: 00007f68f6df8120 R08: 0000000000000000 R09: 0000000000000000 [ 46.135760][ T356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.143569][ T356] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 46.152047][ T356] debugfs: out of free dentries, can not create file 'stats' [ 46.210381][ T358] FAULT_INJECTION: forcing a failure. [ 46.210381][ T358] name failslab, interval 1, probability 0, space 0, times 0 [ 46.223053][ T358] CPU: 0 PID: 358 Comm: syz-executor.0 Not tainted 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 46.233216][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 46.243288][ T358] Call Trace: [ 46.246429][ T358] dump_stack_lvl+0x1e2/0x24b [ 46.250938][ T358] ? bfq_pos_tree_add_move+0x43b/0x43b [ 46.256402][ T358] ? ____kasan_kmalloc+0xed/0x110 [ 46.261274][ T358] ? kobj_map+0x64/0x670 [ 46.265432][ T358] ? device_add_disk+0x2a/0x40 [ 46.270040][ T358] ? loop_add+0x580/0x750 [ 46.274194][ T358] ? loop_control_ioctl+0x448/0x620 [ 46.279236][ T358] ? __x64_sys_ioctl+0x7b/0x90 [ 46.283827][ T358] dump_stack+0x15/0x17 [ 46.287838][ T358] should_fail+0x3c6/0x510 [ 46.292222][ T358] ? kvasprintf_const+0x13b/0x190 [ 46.297158][ T358] __should_failslab+0xa4/0xe0 [ 46.301798][ T358] should_failslab+0x9/0x20 [ 46.306323][ T358] __kmalloc_track_caller+0x5f/0x320 [ 46.307023][ T24] audit: type=1400 audit(1723767476.090:100): avc: denied { read } for pid=75 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 46.311471][ T358] kstrdup_const+0x55/0x90 [ 46.311485][ T358] kvasprintf_const+0x13b/0x190 [ 46.311498][ T358] kobject_set_name_vargs+0x61/0x120 [ 46.311523][ T358] dev_set_name+0xd1/0x120 [ 46.351449][ T358] ? __kasan_kmalloc+0x9/0x10 [ 46.355965][ T358] ? get_device+0x30/0x30 [ 46.360121][ T358] ? mutex_unlock+0x1c/0x40 [ 46.364465][ T358] ? kobj_map+0x62f/0x670 [ 46.368643][ T358] __device_add_disk+0x703/0x11a0 [ 46.373490][ T358] ? device_add_disk+0x40/0x40 [ 46.378090][ T358] ? vsprintf+0x40/0x40 [ 46.382161][ T358] ? device_initialize+0x1e1/0x420 [ 46.387110][ T358] device_add_disk+0x2a/0x40 [ 46.391559][ T358] loop_add+0x580/0x750 [ 46.395539][ T358] loop_control_ioctl+0x448/0x620 [ 46.400394][ T358] ? loop_remove+0xb0/0xb0 [ 46.404640][ T358] ? __fget_files+0x31e/0x380 [ 46.409157][ T358] ? security_file_ioctl+0x84/0xb0 [ 46.414101][ T358] ? loop_remove+0xb0/0xb0 [ 46.418528][ T358] __se_sys_ioctl+0x114/0x190 [ 46.423066][ T358] __x64_sys_ioctl+0x7b/0x90 [ 46.427569][ T358] do_syscall_64+0x34/0x70 [ 46.431807][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.437532][ T358] RIP: 0033:0x7f68f7275ae9 [ 46.441785][ T358] 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 [ 46.461325][ T358] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.469571][ T358] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 46.477398][ T358] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.485198][ T358] RBP: 00007f68f6df8120 R08: 0000000000000000 R09: 0000000000000000 [ 46.493017][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.500813][ T358] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 46.510301][ T358] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 46.518432][ T358] ------------[ cut here ]------------ [ 46.523726][ T358] WARNING: CPU: 1 PID: 358 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 46.532860][ T358] Modules linked in: [ 46.536583][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Not tainted 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 46.546899][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 46.557102][ T358] RIP: 0010:sysfs_create_files+0x325/0x470 [ 46.562844][ T358] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 a1 90 d4 ff e9 a8 fe ff ff e8 57 f9 96 ff 31 db e9 ef 00 00 00 e8 4b f9 96 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 46.582753][ T358] RSP: 0018:ffffc90000cc7b00 EFLAGS: 00010293 [ 46.588771][ T358] RAX: ffffffff81d3b0e8 RBX: ffff88810cbfe098 RCX: ffff88812082cf00 [ 46.596633][ T358] RDX: 0000000000000000 RSI: ffffffff863522a0 RDI: ffff88810cbfe068 [ 46.604444][ T358] RBP: ffffc90000cc7bd0 R08: ffffffff827070b7 R09: ffffed102159a9de [ 46.612215][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 46.620061][ T358] R13: ffffffff855f7920 R14: dffffc0000000000 R15: ffff88810cbfe068 [ 46.627818][ T358] FS: 00007f68f6df86c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.636632][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.643018][ T358] CR2: 00007f68f73910c0 CR3: 000000010cb3a000 CR4: 00000000003506a0 [ 46.650847][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.658648][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.666435][ T358] Call Trace: [ 46.669628][ T358] ? show_regs+0x58/0x60 [ 46.673658][ T358] ? __warn+0x160/0x2f0 [ 46.677632][ T358] ? sysfs_create_files+0x325/0x470 [ 46.682844][ T358] ? report_bug+0x3d9/0x5b0 [ 46.687122][ T358] ? sysfs_create_files+0x325/0x470 [ 46.692274][ T358] ? handle_bug+0x41/0x70 [ 46.696518][ T358] ? exc_invalid_op+0x1b/0x50 [ 46.701188][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 46.706000][ T358] ? kobject_get+0xc7/0x120 [ 46.710361][ T358] ? sysfs_create_files+0x458/0x470 [ 46.715363][ T358] ? sysfs_create_files+0x325/0x470 [ 46.720431][ T358] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 46.725606][ T358] ? __kasan_check_write+0x14/0x20 [ 46.730788][ T358] ? kobject_get+0xd1/0x120 [ 46.735112][ T358] __device_add_disk+0x9a7/0x11a0 [ 46.740015][ T358] ? device_add_disk+0x40/0x40 [ 46.744568][ T358] ? vsprintf+0x40/0x40 [ 46.748586][ T358] ? device_initialize+0x1e1/0x420 [ 46.753509][ T358] device_add_disk+0x2a/0x40 [ 46.758134][ T358] loop_add+0x580/0x750 [ 46.762099][ T358] loop_control_ioctl+0x448/0x620 [ 46.766951][ T358] ? loop_remove+0xb0/0xb0 [ 46.771326][ T358] ? __fget_files+0x31e/0x380 [ 46.775812][ T358] ? security_file_ioctl+0x84/0xb0 [ 46.780882][ T358] ? loop_remove+0xb0/0xb0 [ 46.785098][ T358] __se_sys_ioctl+0x114/0x190 [ 46.789637][ T358] __x64_sys_ioctl+0x7b/0x90 [ 46.794036][ T358] do_syscall_64+0x34/0x70 [ 46.798350][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.804015][ T358] RIP: 0033:0x7f68f7275ae9 [ 46.809346][ T358] 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 [ 46.828974][ T358] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.837263][ T358] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 46.845111][ T358] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.852906][ T358] RBP: 00007f68f6df8120 R08: 0000000000000000 R09: 0000000000000000 [ 46.860754][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.868464][ T358] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 46.876280][ T358] ---[ end trace 4d24be0bec5650b2 ]--- [ 46.881745][ T358] ------------[ cut here ]------------ [ 46.886977][ T358] kernfs: can not remove 'events', no directory [ 46.893821][ T358] WARNING: CPU: 1 PID: 358 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 46.903637][ T358] Modules linked in: [ 46.907339][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 46.918911][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 46.928895][ T358] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 46.935229][ T358] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 53 59 97 ff 48 c7 c7 c0 d2 4a 85 4c 89 e6 e8 14 e0 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 36 59 97 ff bb fe ff ff ff 4c 89 f7 [ 46.954819][ T358] RSP: 0018:ffffc90000cc7ac8 EFLAGS: 00010246 [ 46.960811][ T358] RAX: 9a7aeea869501000 RBX: ffff88810cbfe098 RCX: ffff88812082cf00 [ 46.968877][ T358] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.976638][ T358] RBP: ffffc90000cc7af0 R08: ffffffff81521b78 R09: ffffed103ee6a5f8 [ 46.984754][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f79e0 [ 46.992539][ T358] R13: 0000000000000000 R14: ffffffff855f7920 R15: 0000000000000000 [ 47.000354][ T358] FS: 00007f68f6df86c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.009115][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.015511][ T358] CR2: 00007f68f73910c0 CR3: 000000010cb3a000 CR4: 00000000003506a0 [ 47.023362][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.031174][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.038969][ T358] Call Trace: [ 47.042084][ T358] ? show_regs+0x58/0x60 [ 47.046154][ T358] ? __warn+0x160/0x2f0 [ 47.050179][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.055705][ T358] ? report_bug+0x3d9/0x5b0 [ 47.060102][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.065602][ T358] ? handle_bug+0x41/0x70 [ 47.069791][ T358] ? exc_invalid_op+0x1b/0x50 [ 47.074280][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 47.079179][ T358] ? wake_up_klogd+0xb8/0xf0 [ 47.083566][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.089148][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.094672][ T358] sysfs_create_files+0x3de/0x470 [ 47.099563][ T358] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 47.104741][ T358] ? __kasan_check_write+0x14/0x20 [ 47.109713][ T358] ? kobject_get+0xd1/0x120 [ 47.114028][ T358] __device_add_disk+0x9a7/0x11a0 [ 47.118912][ T358] ? device_add_disk+0x40/0x40 [ 47.123491][ T358] ? vsprintf+0x40/0x40 [ 47.127479][ T358] ? device_initialize+0x1e1/0x420 [ 47.132695][ T358] device_add_disk+0x2a/0x40 [ 47.137118][ T358] loop_add+0x580/0x750 [ 47.141136][ T358] loop_control_ioctl+0x448/0x620 [ 47.146025][ T358] ? loop_remove+0xb0/0xb0 [ 47.150282][ T358] ? __fget_files+0x31e/0x380 [ 47.154718][ T358] ? security_file_ioctl+0x84/0xb0 [ 47.159708][ T358] ? loop_remove+0xb0/0xb0 [ 47.163915][ T358] __se_sys_ioctl+0x114/0x190 [ 47.168597][ T358] __x64_sys_ioctl+0x7b/0x90 [ 47.172984][ T358] do_syscall_64+0x34/0x70 [ 47.177236][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.183180][ T358] RIP: 0033:0x7f68f7275ae9 [ 47.187424][ T358] 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 [ 47.207716][ T358] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.216134][ T358] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 47.224146][ T358] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.231995][ T358] RBP: 00007f68f6df8120 R08: 0000000000000000 R09: 0000000000000000 [ 47.240106][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.247892][ T358] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 47.255758][ T358] ---[ end trace 4d24be0bec5650b3 ]--- [ 47.261012][ T358] loop0: failed to create sysfs files for events [ 47.271957][ T361] ------------[ cut here ]------------ [ 47.277244][ T361] kernfs: can not remove 'events', no directory [ 47.283584][ T361] WARNING: CPU: 0 PID: 361 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 47.293518][ T361] Modules linked in: [ 47.297257][ T361] CPU: 0 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 47.309042][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 47.319191][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 47.325375][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 53 59 97 ff 48 c7 c7 c0 d2 4a 85 4c 89 e6 e8 14 e0 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 36 59 97 ff bb fe ff ff ff 4c 89 f7 [ 47.344858][ T361] RSP: 0018:ffffc90000d07c08 EFLAGS: 00010246 [ 47.350937][ T361] RAX: 4c56a3635f8d9100 RBX: ffffffff855f7920 RCX: ffff88810c87a780 [ 47.358845][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.366634][ T361] RBP: ffffc90000d07c30 R08: ffffffff81521b78 R09: ffffed103ee4a5f8 [ 47.374488][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f79e0 [ 47.382266][ T361] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 47.390102][ T361] FS: 00007f68f6df86c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 47.398844][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.405248][ T361] CR2: 00007f68f7396988 CR3: 000000010c907000 CR4: 00000000003506b0 [ 47.413102][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.420890][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.428713][ T361] Call Trace: [ 47.431817][ T361] ? show_regs+0x58/0x60 [ 47.435890][ T361] ? __warn+0x160/0x2f0 [ 47.439948][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.445440][ T361] ? report_bug+0x3d9/0x5b0 [ 47.449808][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.455337][ T361] ? handle_bug+0x41/0x70 [ 47.459526][ T361] ? exc_invalid_op+0x1b/0x50 [ 47.464016][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 47.468903][ T361] ? wake_up_klogd+0xb8/0xf0 [ 47.473300][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.478905][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.484410][ T361] sysfs_remove_files+0xa5/0x100 [ 47.489221][ T361] del_gendisk+0x248/0xa90 [ 47.493435][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 47.499199][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 47.504544][ T361] loop_remove+0x46/0xb0 [ 47.508650][ T361] loop_control_ioctl+0x564/0x620 [ 47.513485][ T361] ? loop_remove+0xb0/0xb0 [ 47.517734][ T361] ? __fget_files+0x31e/0x380 [ 47.522297][ T361] ? security_file_ioctl+0x84/0xb0 [ 47.527196][ T361] ? loop_remove+0xb0/0xb0 [ 47.531633][ T361] __se_sys_ioctl+0x114/0x190 [ 47.536183][ T361] __x64_sys_ioctl+0x7b/0x90 [ 47.540666][ T361] do_syscall_64+0x34/0x70 [ 47.544806][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.550577][ T361] RIP: 0033:0x7f68f7275ae9 [ 47.554792][ T361] 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 [ 47.574357][ T361] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.582707][ T361] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 47.590498][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 47.598410][ T361] RBP: 00007f68f72c147a R08: 0000000000000000 R09: 0000000000000000 [ 47.606277][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.614312][ T361] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 47.622477][ T361] ---[ end trace 4d24be0bec5650b4 ]--- [ 47.627790][ T361] ------------[ cut here ]------------ [ 47.633104][ T361] kernfs: can not remove 'events_async', no directory [ 47.639947][ T361] WARNING: CPU: 1 PID: 361 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 47.649500][ T361] Modules linked in: [ 47.653199][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 47.664778][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 47.674747][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 47.680908][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 53 59 97 ff 48 c7 c7 c0 d2 4a 85 4c 89 e6 e8 14 e0 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 36 59 97 ff bb fe ff ff ff 4c 89 f7 [ 47.700465][ T361] RSP: 0018:ffffc90000d07c08 EFLAGS: 00010246 [ 47.706335][ T361] RAX: 4c56a3635f8d9100 RBX: ffffffff855f7960 RCX: ffff88810c87a780 [ 47.714202][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.722073][ T361] RBP: ffffc90000d07c30 R08: ffffffff81521b78 R09: ffffed103ee6a5f8 [ 47.729879][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f7a80 [ 47.737667][ T361] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 47.745517][ T361] FS: 00007f68f6df86c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.754267][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.760688][ T361] CR2: 00007f68f6dd6ff8 CR3: 000000010c907000 CR4: 00000000003506a0 [ 47.768506][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.776294][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.784211][ T361] Call Trace: [ 47.787316][ T361] ? show_regs+0x58/0x60 [ 47.791417][ T361] ? __warn+0x160/0x2f0 [ 47.795386][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.800969][ T361] ? report_bug+0x3d9/0x5b0 [ 47.805280][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.810874][ T361] ? handle_bug+0x41/0x70 [ 47.814999][ T361] ? exc_invalid_op+0x1b/0x50 [ 47.819563][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 47.824376][ T361] ? wake_up_klogd+0xb8/0xf0 [ 47.828851][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.834443][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 47.840059][ T361] sysfs_remove_files+0xa5/0x100 [ 47.844777][ T361] del_gendisk+0x248/0xa90 [ 47.849227][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 47.855009][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 47.860461][ T361] loop_remove+0x46/0xb0 [ 47.864473][ T361] loop_control_ioctl+0x564/0x620 [ 47.869363][ T361] ? loop_remove+0xb0/0xb0 [ 47.873647][ T361] ? __fget_files+0x31e/0x380 [ 47.878338][ T361] ? security_file_ioctl+0x84/0xb0 [ 47.883306][ T361] ? loop_remove+0xb0/0xb0 [ 47.887586][ T361] __se_sys_ioctl+0x114/0x190 [ 47.892048][ T361] __x64_sys_ioctl+0x7b/0x90 [ 47.896442][ T361] do_syscall_64+0x34/0x70 [ 47.900844][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.906580][ T361] RIP: 0033:0x7f68f7275ae9 [ 47.910886][ T361] 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 [ 47.930329][ T361] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.938576][ T361] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 47.946359][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 47.954233][ T361] RBP: 00007f68f72c147a R08: 0000000000000000 R09: 0000000000000000 [ 47.961995][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.969821][ T361] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 47.977705][ T361] ---[ end trace 4d24be0bec5650b5 ]--- [ 47.983043][ T361] ------------[ cut here ]------------ [ 47.988324][ T361] kernfs: can not remove 'events_poll_msecs', no directory [ 47.995399][ T361] WARNING: CPU: 1 PID: 361 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 48.004940][ T361] Modules linked in: [ 48.008707][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 48.020458][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 48.030344][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 48.036506][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 53 59 97 ff 48 c7 c7 c0 d2 4a 85 4c 89 e6 e8 14 e0 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 36 59 97 ff bb fe ff ff ff 4c 89 f7 [ 48.055958][ T361] RSP: 0018:ffffc90000d07c08 EFLAGS: 00010246 [ 48.061926][ T361] RAX: 4c56a3635f8d9100 RBX: ffffffff855f79a0 RCX: ffff88810c87a780 [ 48.069744][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.077532][ T361] RBP: ffffc90000d07c30 R08: ffffffff81521b78 R09: ffffed103ee64e8b [ 48.085374][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f7aa0 [ 48.093200][ T361] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000000 [ 48.101005][ T361] FS: 00007f68f6df86c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.109862][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.116241][ T361] CR2: 00007f68f6dd6ff8 CR3: 000000010c907000 CR4: 00000000003506a0 [ 48.124098][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.131884][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.139791][ T361] Call Trace: [ 48.142906][ T361] ? show_regs+0x58/0x60 [ 48.146976][ T361] ? __warn+0x160/0x2f0 [ 48.151000][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.156523][ T361] ? report_bug+0x3d9/0x5b0 [ 48.160888][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.166415][ T361] ? handle_bug+0x41/0x70 [ 48.170806][ T361] ? exc_invalid_op+0x1b/0x50 [ 48.175287][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 48.180176][ T361] ? wake_up_klogd+0xb8/0xf0 [ 48.184580][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.190333][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.195855][ T361] sysfs_remove_files+0xa5/0x100 [ 48.200654][ T361] del_gendisk+0x248/0xa90 [ 48.204876][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 48.210636][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 48.216085][ T361] loop_remove+0x46/0xb0 [ 48.220189][ T361] loop_control_ioctl+0x564/0x620 [ 48.225012][ T361] ? loop_remove+0xb0/0xb0 [ 48.229303][ T361] ? __fget_files+0x31e/0x380 [ 48.233959][ T361] ? security_file_ioctl+0x84/0xb0 [ 48.238990][ T361] ? loop_remove+0xb0/0xb0 [ 48.243247][ T361] __se_sys_ioctl+0x114/0x190 [ 48.247752][ T361] __x64_sys_ioctl+0x7b/0x90 [ 48.252225][ T361] do_syscall_64+0x34/0x70 [ 48.256440][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.262238][ T361] RIP: 0033:0x7f68f7275ae9 [ 48.266415][ T361] 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 [ 48.286057][ T361] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.294296][ T361] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 48.302294][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.310102][ T361] RBP: 00007f68f72c147a R08: 0000000000000000 R09: 0000000000000000 [ 48.317886][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.325737][ T361] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 48.333551][ T361] ---[ end trace 4d24be0bec5650b6 ]--- [ 48.338870][ T361] ------------[ cut here ]------------ [ 48.344092][ T361] kernfs: can not remove 'bdi', no directory [ 48.350212][ T361] WARNING: CPU: 1 PID: 361 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 48.359731][ T361] Modules linked in: [ 48.363454][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 48.375018][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 48.384942][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 48.391089][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 53 59 97 ff 48 c7 c7 c0 d2 4a 85 4c 89 e6 e8 14 e0 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 36 59 97 ff bb fe ff ff ff 4c 89 f7 [ 48.410525][ T361] RSP: 0018:ffffc90000d07c28 EFLAGS: 00010246 [ 48.416393][ T361] RAX: 4c56a3635f8d9100 RBX: ffff88810cbfe098 RCX: ffff88810c87a780 [ 48.424271][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.432034][ T361] RBP: ffffc90000d07c50 R08: ffffffff81521b78 R09: fffff520001a0e99 [ 48.439945][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f7300 [ 48.447726][ T361] R13: 0000000000000000 R14: ffffffff855f7300 R15: 0000000000000000 [ 48.455569][ T361] FS: 00007f68f6df86c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.464324][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.470758][ T361] CR2: 00007f68f6dd6ff8 CR3: 000000010c907000 CR4: 00000000003506a0 [ 48.478595][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.486345][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.494277][ T361] Call Trace: [ 48.497377][ T361] ? show_regs+0x58/0x60 [ 48.501494][ T361] ? __warn+0x160/0x2f0 [ 48.505446][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.511033][ T361] ? report_bug+0x3d9/0x5b0 [ 48.515426][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.521007][ T361] ? handle_bug+0x41/0x70 [ 48.525242][ T361] ? exc_invalid_op+0x1b/0x50 [ 48.529881][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 48.534705][ T361] ? wake_up_klogd+0xb8/0xf0 [ 48.539339][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.544861][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 48.550459][ T361] sysfs_remove_link+0x50/0x60 [ 48.555013][ T361] del_gendisk+0x477/0xa90 [ 48.559308][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 48.564993][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 48.570404][ T361] loop_remove+0x46/0xb0 [ 48.574453][ T361] loop_control_ioctl+0x564/0x620 [ 48.579342][ T361] ? loop_remove+0xb0/0xb0 [ 48.583571][ T361] ? __fget_files+0x31e/0x380 [ 48.588117][ T361] ? security_file_ioctl+0x84/0xb0 [ 48.593114][ T361] ? loop_remove+0xb0/0xb0 [ 48.597365][ T361] __se_sys_ioctl+0x114/0x190 [ 48.601904][ T361] __x64_sys_ioctl+0x7b/0x90 [ 48.606392][ T361] do_syscall_64+0x34/0x70 [ 48.610673][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.616374][ T361] RIP: 0033:0x7f68f7275ae9 [ 48.620652][ T361] 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 [ 48.640081][ T361] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.648607][ T361] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 48.656383][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.664237][ T361] RBP: 00007f68f72c147a R08: 0000000000000000 R09: 0000000000000000 [ 48.672118][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.680064][ T361] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 48.687896][ T361] ---[ end trace 4d24be0bec5650b7 ]--- [ 48.693629][ T361] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 48.705148][ T361] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 48.713408][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.223-syzkaller-1003215-g0890c03b8b7d #0 [ 48.724937][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 48.734835][ T361] RIP: 0010:strlen+0x2c/0x70 [ 48.739257][ T361] Code: 89 e5 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 48.758695][ T361] RSP: 0018:ffffc90000d07b98 EFLAGS: 00010246 [ 48.764592][ T361] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 48.772494][ T361] RDX: ffff88810c87a780 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.780390][ T361] RBP: ffffc90000d07bb8 R08: ffffffff81d3224b R09: ffffed102000b34f [ 48.788201][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 48.796101][ T361] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 48.803912][ T361] FS: 00007f68f6df86c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.812675][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.819097][ T361] CR2: 00007f68f6dd6ff8 CR3: 000000010c907000 CR4: 00000000003506a0 [ 48.826910][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.834731][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.842529][ T361] Call Trace: [ 48.845664][ T361] ? __die_body+0x62/0xb0 [ 48.849845][ T361] ? die_addr+0x9f/0xd0 [ 48.853921][ T361] ? exc_general_protection+0x3ff/0x490 [ 48.859292][ T361] ? asm_exc_general_protection+0x1e/0x30 [ 48.864848][ T361] ? kernfs_find_ns+0x7b/0x4a0 [ 48.869442][ T361] ? strlen+0x2c/0x70 [ 48.873263][ T361] ? down_read_killable+0x220/0x220 [ 48.878295][ T361] kernfs_find_ns+0x95/0x4a0 [ 48.882722][ T361] kernfs_remove_by_name_ns+0x87/0x160 [ 48.888017][ T361] sysfs_remove_link+0x50/0x60 [ 48.892613][ T361] del_gendisk+0x87b/0xa90 [ 48.896865][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 48.902685][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 48.908065][ T361] loop_remove+0x46/0xb0 [ 48.912141][ T361] loop_control_ioctl+0x564/0x620 [ 48.917003][ T361] ? loop_remove+0xb0/0xb0 [ 48.921261][ T361] ? __fget_files+0x31e/0x380 [ 48.925770][ T361] ? security_file_ioctl+0x84/0xb0 [ 48.930715][ T361] ? loop_remove+0xb0/0xb0 [ 48.934969][ T361] __se_sys_ioctl+0x114/0x190 [ 48.939481][ T361] __x64_sys_ioctl+0x7b/0x90 [ 48.943907][ T361] do_syscall_64+0x34/0x70 [ 48.948163][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.953887][ T361] RIP: 0033:0x7f68f7275ae9 [ 48.958140][ T361] 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 [ 48.977581][ T361] RSP: 002b:00007f68f6df80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.985827][ T361] RAX: ffffffffffffffda RBX: 00007f68f7394f80 RCX: 00007f68f7275ae9 [ 48.993634][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.001448][ T361] RBP: 00007f68f72c147a R08: 0000000000000000 R09: 0000000000000000 [ 49.009266][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.017071][ T361] R13: 000000000000000b R14: 00007f68f7394f80 R15: 00007ffdd8be4f58 [ 49.024884][ T361] Modules linked in: [ 49.028959][ T361] ---[ end trace 4d24be0bec5650b8 ]--- [ 49.034318][ T361] RIP: 0010:strlen+0x2c/0x70 [ 49.038713][ T361] Code: 89 e5 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 49.058294][ T361] RSP: 0018:ffffc90000d07b98 EFLAGS: 00010246 [ 49.064175][ T361] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 49.072008][ T361] RDX: ffff88810c87a780 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.079806][ T361] RBP: ffffc90000d07bb8 R08: ffffffff81d3224b R09: ffffed102000b34f [ 49.087601][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 49.095438][ T361] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 49.103238][ T361] FS: 00007f68f6df86c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 49.112021][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.118438][ T361] CR2: 00007f68f7396988 CR3: 000000010c907000 CR4: 00000000003506b0 [ 49.126225][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.134097][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.142020][ T361] Kernel panic - not syncing: Fatal exception [ 49.148182][ T361] Kernel Offset: disabled [ 49.152319][ T361] Rebooting in 86400 seconds..