[ 23.033580][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.041639][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 23.052340][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.071190][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.079747][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.209287][ T359] syz-executor.0 (359) used greatest stack depth: 19416 bytes left [ 23.683128][ T9] device bridge_slave_1 left promiscuous mode [ 23.689222][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.696860][ T9] device bridge_slave_0 left promiscuous mode [ 23.702987][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts. 2023/12/11 17:29:52 ignoring optional flag "sandboxArg"="0" 2023/12/11 17:29:52 parsed 1 programs [ 42.674943][ T23] kauditd_printk_skb: 72 callbacks suppressed [ 42.674955][ T23] audit: type=1400 audit(1702315792.460:148): avc: denied { mounton } for pid=404 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 [ 42.705689][ T23] audit: type=1400 audit(1702315792.460:149): avc: denied { mount } for pid=404 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 [ 42.729043][ T23] audit: type=1400 audit(1702315792.490:150): avc: denied { unlink } for pid=404 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" 2023/12/11 17:29:52 executed programs: 0 [ 42.786151][ T404] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 42.858280][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.865528][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.873548][ T410] device bridge_slave_0 entered promiscuous mode [ 42.880877][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.888725][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.896648][ T410] device bridge_slave_1 entered promiscuous mode [ 42.943266][ T23] audit: type=1400 audit(1702315792.730:151): avc: denied { create } for pid=410 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.951512][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.964002][ T23] audit: type=1400 audit(1702315792.730:152): avc: denied { write } for pid=410 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.970770][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.992116][ T23] audit: type=1400 audit(1702315792.730:153): avc: denied { read } for pid=410 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.999675][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.028042][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.053020][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.060287][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.068069][ T365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.075821][ T365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.093956][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.102159][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.109034][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.116589][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.125140][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.131972][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.139287][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.149515][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.166634][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.183024][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.203171][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.212215][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.221790][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.235920][ T23] audit: type=1400 audit(1702315793.020:154): avc: denied { mounton } for pid=410 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=10727 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 43.270072][ T23] audit: type=1400 audit(1702315793.050:155): avc: denied { ioctl } for pid=415 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=9323 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 43.306046][ T416] FAULT_INJECTION: forcing a failure. [ 43.306046][ T416] name failslab, interval 1, probability 0, space 0, times 1 [ 43.319777][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Not tainted 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 43.331008][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 43.341217][ T416] Call Trace: [ 43.344477][ T416] dump_stack+0x1d8/0x241 [ 43.348726][ T416] ? panic+0x896/0x896 [ 43.352703][ T416] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 43.358337][ T416] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 43.364512][ T416] ? stack_depot_save+0x417/0x480 [ 43.369509][ T416] should_fail+0x71f/0x880 [ 43.373751][ T416] ? kstrdup_const+0x51/0x90 [ 43.378184][ T416] ? setup_fault_attr+0x3d0/0x3d0 [ 43.383048][ T416] ? mutex_lock+0xa5/0x110 [ 43.387556][ T416] ? mutex_trylock+0xa0/0xa0 [ 43.392001][ T416] ? __kernfs_new_node+0xdb/0x6e0 [ 43.396937][ T416] should_failslab+0x5/0x20 [ 43.401738][ T416] kmem_cache_alloc+0x28/0x250 [ 43.406900][ T416] __kernfs_new_node+0xdb/0x6e0 [ 43.411519][ T416] ? idr_alloc_cyclic+0x369/0x5d0 [ 43.416572][ T416] ? kernfs_new_node+0x160/0x160 [ 43.421547][ T416] ? selinux_path_notify+0x6d0/0x6d0 [ 43.426765][ T416] ? idr_alloc+0x2f0/0x2f0 [ 43.431093][ T416] ? _raw_spin_lock+0xa4/0x1b0 [ 43.435696][ T416] kernfs_new_node+0x95/0x160 [ 43.440206][ T416] __kernfs_create_file+0x45/0x260 [ 43.445147][ T416] sysfs_add_file_mode_ns+0x292/0x340 [ 43.450874][ T416] internal_create_group+0x573/0xf00 [ 43.455993][ T416] ? sysfs_create_group+0x20/0x20 [ 43.460940][ T416] sysfs_create_groups+0x52/0x110 [ 43.465801][ T416] device_add_attrs+0xd0/0x370 [ 43.470399][ T416] device_add+0x4f4/0xbb0 [ 43.474568][ T416] __device_add_disk+0x767/0x1220 [ 43.479513][ T416] ? device_add_disk+0x30/0x30 [ 43.484231][ T416] ? __alloc_disk_node+0x459/0x5a0 [ 43.489174][ T416] loop_add+0x573/0x740 [ 43.493160][ T416] loop_control_ioctl+0x448/0x620 [ 43.498026][ T416] ? loop_remove+0xa0/0xa0 [ 43.502294][ T416] ? memset+0x1f/0x40 [ 43.506094][ T416] ? fsnotify+0x1280/0x1340 [ 43.510522][ T416] ? loop_remove+0xa0/0xa0 [ 43.515397][ T416] do_vfs_ioctl+0x742/0x1720 [ 43.519813][ T416] ? ioctl_preallocate+0x250/0x250 [ 43.525542][ T416] ? __fget+0x407/0x490 [ 43.529549][ T416] ? fget_many+0x20/0x20 [ 43.533881][ T416] ? debug_smp_processor_id+0x20/0x20 [ 43.539262][ T416] ? security_file_ioctl+0x7d/0xa0 [ 43.544370][ T416] __x64_sys_ioctl+0xd4/0x110 [ 43.548888][ T416] do_syscall_64+0xca/0x1c0 [ 43.553258][ T416] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 43.560693][ T416] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 43.568826][ T416] ------------[ cut here ]------------ [ 43.574193][ T416] WARNING: CPU: 0 PID: 416 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 43.583108][ T416] Modules linked in: [ 43.586943][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Not tainted 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 43.596916][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 43.606821][ T416] RIP: 0010:sysfs_create_files+0x325/0x470 [ 43.612541][ T416] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 21 09 d6 ff e9 a8 fe ff ff e8 c7 38 a6 ff 31 db e9 ef 00 00 00 e8 bb 38 a6 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 43.632145][ T416] RSP: 0018:ffff8881ee197940 EFLAGS: 00010293 [ 43.638048][ T416] RAX: ffffffff81be0d18 RBX: ffff8881ee7c80a0 RCX: ffff8881f32d2f40 [ 43.646323][ T416] RDX: 0000000000000000 RSI: ffffffff85a659c0 RDI: ffff8881ee7c8070 [ 43.654242][ T416] RBP: ffff8881ee197a10 R08: ffffffff844a4380 R09: ffffed103de4769c [ 43.662250][ T416] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.670061][ T416] R13: ffffffff84f98e40 R14: dffffc0000000000 R15: ffff8881ee7c8070 [ 43.677869][ T416] FS: 00007f17a1db16c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 43.686770][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.693290][ T416] CR2: 000055a091ead5c0 CR3: 00000001ee93c000 CR4: 00000000003406b0 [ 43.701100][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.708910][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.716930][ T416] Call Trace: [ 43.720057][ T416] ? __warn+0x162/0x250 [ 43.724072][ T416] ? report_bug+0x3a1/0x4e0 [ 43.728467][ T416] ? sysfs_create_files+0x325/0x470 [ 43.734113][ T416] ? sysfs_create_files+0x325/0x470 [ 43.739156][ T416] ? do_invalid_op+0x6e/0x110 [ 43.743760][ T416] ? invalid_op+0x1e/0x30 [ 43.748003][ T416] ? kobject_get+0xc0/0x110 [ 43.752344][ T416] ? sysfs_create_files+0x458/0x470 [ 43.757378][ T416] ? sysfs_create_files+0x325/0x470 [ 43.762440][ T416] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 43.767627][ T416] ? kobject_get+0xc9/0x110 [ 43.771955][ T416] __device_add_disk+0x949/0x1220 [ 43.776898][ T416] ? device_add_disk+0x30/0x30 [ 43.781603][ T416] ? __alloc_disk_node+0x459/0x5a0 [ 43.786832][ T416] loop_add+0x573/0x740 [ 43.790825][ T416] loop_control_ioctl+0x448/0x620 [ 43.796029][ T416] ? loop_remove+0xa0/0xa0 [ 43.800244][ T416] ? memset+0x1f/0x40 [ 43.804186][ T416] ? fsnotify+0x1280/0x1340 [ 43.808482][ T416] ? loop_remove+0xa0/0xa0 [ 43.812947][ T416] do_vfs_ioctl+0x742/0x1720 [ 43.817371][ T416] ? ioctl_preallocate+0x250/0x250 [ 43.822398][ T416] ? __fget+0x407/0x490 [ 43.826408][ T416] ? fget_many+0x20/0x20 [ 43.830468][ T416] ? debug_smp_processor_id+0x20/0x20 [ 43.835678][ T416] ? security_file_ioctl+0x7d/0xa0 [ 43.840723][ T416] __x64_sys_ioctl+0xd4/0x110 [ 43.845226][ T416] do_syscall_64+0xca/0x1c0 [ 43.849751][ T416] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 43.855842][ T416] ---[ end trace 77e662bfd2f5b7b2 ]--- [ 43.862532][ T416] ------------[ cut here ]------------ [ 43.867952][ T416] kernfs: can not remove 'events', no directory [ 43.875123][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 43.884876][ T416] Modules linked in: [ 43.888786][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 43.900147][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 43.910305][ T416] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 43.916471][ T416] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 5e 96 a6 ff 48 c7 c7 80 9d e5 84 4c 89 fe e8 5f 4f 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 96 a6 ff bb fe ff ff ff 48 c7 c7 [ 43.935900][ T416] RSP: 0018:ffff8881ee197918 EFLAGS: 00010246 [ 43.941896][ T416] RAX: d8206940e63f0500 RBX: 0000000000000000 RCX: ffff8881f32d2f40 [ 43.949790][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.957599][ T416] RBP: ffff8881ee197a10 R08: ffffffff814d67a2 R09: ffffed103edca9b8 [ 43.965583][ T416] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.973659][ T416] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f98f00 [ 43.981466][ T416] FS: 00007f17a1db16c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 43.990466][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.997178][ T416] CR2: 000055a091ead5c0 CR3: 00000001ee93c000 CR4: 00000000003406b0 [ 44.005139][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.013027][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.020840][ T416] Call Trace: [ 44.023972][ T416] ? __warn+0x162/0x250 [ 44.027965][ T416] ? report_bug+0x3a1/0x4e0 [ 44.032394][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.037910][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.043542][ T416] ? do_invalid_op+0x6e/0x110 [ 44.048023][ T416] ? invalid_op+0x1e/0x30 [ 44.052177][ T416] ? wake_up_klogd+0xb2/0xf0 [ 44.056784][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.062251][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.067951][ T416] sysfs_create_files+0x3de/0x470 [ 44.072797][ T416] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 44.078189][ T416] ? kobject_get+0xc9/0x110 [ 44.082626][ T416] __device_add_disk+0x949/0x1220 [ 44.087474][ T416] ? device_add_disk+0x30/0x30 [ 44.092167][ T416] ? __alloc_disk_node+0x459/0x5a0 [ 44.097193][ T416] loop_add+0x573/0x740 [ 44.101276][ T416] loop_control_ioctl+0x448/0x620 [ 44.106631][ T416] ? loop_remove+0xa0/0xa0 [ 44.110869][ T416] ? memset+0x1f/0x40 [ 44.114859][ T416] ? fsnotify+0x1280/0x1340 [ 44.119200][ T416] ? loop_remove+0xa0/0xa0 [ 44.123511][ T416] do_vfs_ioctl+0x742/0x1720 [ 44.127881][ T416] ? ioctl_preallocate+0x250/0x250 [ 44.132826][ T416] ? __fget+0x407/0x490 [ 44.136821][ T416] ? fget_many+0x20/0x20 [ 44.140897][ T416] ? debug_smp_processor_id+0x20/0x20 [ 44.146117][ T416] ? security_file_ioctl+0x7d/0xa0 [ 44.151051][ T416] __x64_sys_ioctl+0xd4/0x110 [ 44.155581][ T416] do_syscall_64+0xca/0x1c0 [ 44.159991][ T416] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.165809][ T416] ---[ end trace 77e662bfd2f5b7b3 ]--- [ 44.173795][ T416] loop0: failed to create sysfs files for events [ 44.186094][ T420] ------------[ cut here ]------------ [ 44.191443][ T420] kernfs: can not remove 'events', no directory [ 44.197622][ T420] WARNING: CPU: 1 PID: 420 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.207126][ T420] Modules linked in: [ 44.210866][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Tainted: G W 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 44.222144][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 44.232055][ T420] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.238147][ T420] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 5e 96 a6 ff 48 c7 c7 80 9d e5 84 4c 89 fe e8 5f 4f 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 96 a6 ff bb fe ff ff ff 48 c7 c7 [ 44.257659][ T420] RSP: 0018:ffff8881ef2d7a38 EFLAGS: 00010246 [ 44.263749][ T420] RAX: aa8b2df890211900 RBX: 0000000000000000 RCX: ffff8881f31c2f40 [ 44.271538][ T420] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.279708][ T420] RBP: ffffffff85a659c0 R08: ffffffff814d67a2 R09: 0000000000000003 [ 44.287519][ T420] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 44.295338][ T420] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98f00 [ 44.303141][ T420] FS: 00007f17a1db16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 44.312737][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.319212][ T420] CR2: 00007ffcdc475618 CR3: 00000001e2e90000 CR4: 00000000003406a0 [ 44.327210][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.335001][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.343077][ T420] Call Trace: [ 44.346203][ T420] ? __warn+0x162/0x250 [ 44.350322][ T420] ? report_bug+0x3a1/0x4e0 [ 44.354704][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.360172][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.365646][ T420] ? do_invalid_op+0x6e/0x110 [ 44.370155][ T420] ? invalid_op+0x1e/0x30 [ 44.374320][ T420] ? wake_up_klogd+0xb2/0xf0 [ 44.379008][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.384562][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.390126][ T420] sysfs_remove_files+0x91/0xe0 [ 44.394919][ T420] del_gendisk+0x26e/0xc30 [ 44.399265][ T420] ? avc_flush+0x1f0/0x1f0 [ 44.403989][ T420] ? device_add_disk_no_queue_reg+0x20/0x20 [ 44.409797][ T420] ? delete_node+0x706/0x780 [ 44.414374][ T420] loop_remove+0x42/0xa0 [ 44.418548][ T420] loop_control_ioctl+0x564/0x620 [ 44.424728][ T420] ? loop_remove+0xa0/0xa0 [ 44.429218][ T420] ? loop_remove+0xa0/0xa0 [ 44.433475][ T420] do_vfs_ioctl+0x742/0x1720 [ 44.437897][ T420] ? ioctl_preallocate+0x250/0x250 [ 44.442849][ T420] ? __fget+0x407/0x490 [ 44.446833][ T420] ? fget_many+0x20/0x20 [ 44.450922][ T420] ? switch_fpu_return+0x1d4/0x410 [ 44.455860][ T420] ? security_file_ioctl+0x7d/0xa0 [ 44.460818][ T420] __x64_sys_ioctl+0xd4/0x110 [ 44.465423][ T420] do_syscall_64+0xca/0x1c0 [ 44.469744][ T420] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.475473][ T420] ---[ end trace 77e662bfd2f5b7b4 ]--- [ 44.482225][ T420] ------------[ cut here ]------------ [ 44.487826][ T420] kernfs: can not remove 'events_async', no directory [ 44.495057][ T420] WARNING: CPU: 1 PID: 420 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.504675][ T420] Modules linked in: [ 44.508474][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Tainted: G W 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 44.520073][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 44.530165][ T420] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.536322][ T420] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 5e 96 a6 ff 48 c7 c7 80 9d e5 84 4c 89 fe e8 5f 4f 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 96 a6 ff bb fe ff ff ff 48 c7 c7 [ 44.555928][ T420] RSP: 0018:ffff8881ef2d7a38 EFLAGS: 00010246 [ 44.561832][ T420] RAX: aa8b2df890211900 RBX: 0000000000000000 RCX: ffff8881f31c2f40 [ 44.569629][ T420] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.577567][ T420] RBP: ffffffff85a659c0 R08: ffffffff814d67a2 R09: ffffed103edea9b8 [ 44.585550][ T420] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.593860][ T420] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98fa0 [ 44.601685][ T420] FS: 00007f17a1db16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 44.610449][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.616974][ T420] CR2: 00007ffcdc475618 CR3: 00000001e2e90000 CR4: 00000000003406a0 [ 44.624940][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.633036][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.640820][ T420] Call Trace: [ 44.643962][ T420] ? __warn+0x162/0x250 [ 44.647946][ T420] ? report_bug+0x3a1/0x4e0 [ 44.652293][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.657960][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.663399][ T420] ? do_invalid_op+0x6e/0x110 [ 44.668444][ T420] ? invalid_op+0x1e/0x30 [ 44.672597][ T420] ? wake_up_klogd+0xb2/0xf0 [ 44.677305][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.683242][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.688718][ T420] sysfs_remove_files+0x91/0xe0 [ 44.693481][ T420] del_gendisk+0x26e/0xc30 [ 44.697812][ T420] ? avc_flush+0x1f0/0x1f0 [ 44.702054][ T420] ? device_add_disk_no_queue_reg+0x20/0x20 [ 44.707783][ T420] ? delete_node+0x706/0x780 [ 44.712216][ T420] loop_remove+0x42/0xa0 [ 44.716365][ T420] loop_control_ioctl+0x564/0x620 [ 44.721148][ T420] ? loop_remove+0xa0/0xa0 [ 44.725497][ T420] ? loop_remove+0xa0/0xa0 [ 44.729757][ T420] do_vfs_ioctl+0x742/0x1720 [ 44.734384][ T420] ? ioctl_preallocate+0x250/0x250 [ 44.739459][ T420] ? __fget+0x407/0x490 [ 44.743534][ T420] ? fget_many+0x20/0x20 [ 44.747780][ T420] ? switch_fpu_return+0x1d4/0x410 [ 44.752833][ T420] ? security_file_ioctl+0x7d/0xa0 [ 44.757820][ T420] __x64_sys_ioctl+0xd4/0x110 [ 44.762294][ T420] do_syscall_64+0xca/0x1c0 [ 44.766631][ T420] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.772369][ T420] ---[ end trace 77e662bfd2f5b7b5 ]--- [ 44.779830][ T420] ------------[ cut here ]------------ [ 44.785543][ T420] kernfs: can not remove 'events_poll_msecs', no directory [ 44.793148][ T420] WARNING: CPU: 1 PID: 420 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.802767][ T420] Modules linked in: [ 44.807103][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Tainted: G W 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 44.819271][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 44.830596][ T420] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.837165][ T420] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 5e 96 a6 ff 48 c7 c7 80 9d e5 84 4c 89 fe e8 5f 4f 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 96 a6 ff bb fe ff ff ff 48 c7 c7 [ 44.856922][ T420] RSP: 0018:ffff8881ef2d7a38 EFLAGS: 00010246 [ 44.862825][ T420] RAX: aa8b2df890211900 RBX: 0000000000000000 RCX: ffff8881f31c2f40 [ 44.870892][ T420] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.879658][ T420] RBP: ffffffff85a659c0 R08: ffffffff814d67a2 R09: 0000000000000003 [ 44.887482][ T420] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 44.895476][ T420] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98fc0 [ 44.903367][ T420] FS: 00007f17a1db16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 44.912131][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.919151][ T420] CR2: 00007ffcdc475618 CR3: 00000001e2e90000 CR4: 00000000003406a0 [ 44.926988][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.934781][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.942751][ T420] Call Trace: [ 44.945981][ T420] ? __warn+0x162/0x250 [ 44.949980][ T420] ? report_bug+0x3a1/0x4e0 [ 44.954365][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.959782][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.965250][ T420] ? do_invalid_op+0x6e/0x110 [ 44.969856][ T420] ? invalid_op+0x1e/0x30 [ 44.974026][ T420] ? wake_up_klogd+0xb2/0xf0 [ 44.978439][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.983919][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.989389][ T420] sysfs_remove_files+0x91/0xe0 [ 44.994065][ T420] del_gendisk+0x26e/0xc30 [ 44.998355][ T420] ? avc_flush+0x1f0/0x1f0 [ 45.002674][ T420] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.008728][ T420] ? delete_node+0x706/0x780 [ 45.013236][ T420] loop_remove+0x42/0xa0 [ 45.017365][ T420] loop_control_ioctl+0x564/0x620 [ 45.022313][ T420] ? loop_remove+0xa0/0xa0 [ 45.026556][ T420] ? loop_remove+0xa0/0xa0 [ 45.030810][ T420] do_vfs_ioctl+0x742/0x1720 [ 45.035242][ T420] ? ioctl_preallocate+0x250/0x250 [ 45.040443][ T420] ? __fget+0x407/0x490 [ 45.044480][ T420] ? fget_many+0x20/0x20 [ 45.048512][ T420] ? switch_fpu_return+0x1d4/0x410 [ 45.053452][ T420] ? security_file_ioctl+0x7d/0xa0 [ 45.058421][ T420] __x64_sys_ioctl+0xd4/0x110 [ 45.062924][ T420] do_syscall_64+0xca/0x1c0 [ 45.067287][ T420] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.073003][ T420] ---[ end trace 77e662bfd2f5b7b6 ]--- [ 45.079878][ T420] ------------[ cut here ]------------ [ 45.085361][ T420] kernfs: can not remove 'bdi', no directory [ 45.091239][ T420] WARNING: CPU: 1 PID: 420 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.100669][ T420] Modules linked in: [ 45.104708][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Tainted: G W 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 45.115993][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 45.125894][ T420] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.131952][ T420] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 5e 96 a6 ff 48 c7 c7 80 9d e5 84 4c 89 fe e8 5f 4f 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 96 a6 ff bb fe ff ff ff 48 c7 c7 [ 45.151480][ T420] RSP: 0018:ffff8881ef2d7a78 EFLAGS: 00010246 [ 45.157391][ T420] RAX: aa8b2df890211900 RBX: 0000000000000000 RCX: ffff8881f31c2f40 [ 45.165193][ T420] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.173006][ T420] RBP: ffff8881ef2d7b88 R08: ffffffff814d67a2 R09: 0000000000000003 [ 45.180925][ T420] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ee7c8000 [ 45.188913][ T420] R13: ffff8881ee7c84e8 R14: 0000000000000000 R15: ffffffff84f98a60 [ 45.196813][ T420] FS: 00007f17a1db16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.205739][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.212286][ T420] CR2: 00007ffcdc475618 CR3: 00000001e2e90000 CR4: 00000000003406a0 [ 45.220152][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.228566][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.236551][ T420] Call Trace: [ 45.239697][ T420] ? __warn+0x162/0x250 [ 45.243760][ T420] ? report_bug+0x3a1/0x4e0 [ 45.248278][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.253827][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.259868][ T420] ? do_invalid_op+0x6e/0x110 [ 45.264339][ T420] ? invalid_op+0x1e/0x30 [ 45.268595][ T420] ? wake_up_klogd+0xb2/0xf0 [ 45.273070][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.278707][ T420] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.284935][ T420] del_gendisk+0x5a1/0xc30 [ 45.289164][ T420] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.295527][ T420] ? delete_node+0x706/0x780 [ 45.299949][ T420] loop_remove+0x42/0xa0 [ 45.304025][ T420] loop_control_ioctl+0x564/0x620 [ 45.309316][ T420] ? loop_remove+0xa0/0xa0 [ 45.313910][ T420] ? loop_remove+0xa0/0xa0 [ 45.318329][ T420] do_vfs_ioctl+0x742/0x1720 [ 45.322750][ T420] ? ioctl_preallocate+0x250/0x250 [ 45.327959][ T420] ? __fget+0x407/0x490 [ 45.332036][ T420] ? fget_many+0x20/0x20 [ 45.336115][ T420] ? switch_fpu_return+0x1d4/0x410 [ 45.341071][ T420] ? security_file_ioctl+0x7d/0xa0 [ 45.346360][ T420] __x64_sys_ioctl+0xd4/0x110 [ 45.350870][ T420] do_syscall_64+0xca/0x1c0 [ 45.355244][ T420] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.361035][ T420] ---[ end trace 77e662bfd2f5b7b7 ]--- [ 45.368617][ T420] kasan: CONFIG_KASAN_INLINE enabled [ 45.373815][ T420] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.381711][ T420] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 45.388697][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Tainted: G W 5.4.259-syzkaller-04797-g1303f659c2b1 #0 [ 45.400050][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 45.410041][ T420] RIP: 0010:device_del+0xe7/0xfa0 [ 45.414895][ T420] Code: df e8 6d ca fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01 [ 45.434605][ T420] RSP: 0018:ffff8881ef2d79c0 EFLAGS: 00010202 [ 45.440494][ T420] RAX: dffffc0000000000 RBX: ffff8881ee7c80d8 RCX: 1ffff1103dcf901b [ 45.448714][ T420] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef2d7940 [ 45.457377][ T420] RBP: ffff8881ef2d7a90 R08: dffffc0000000000 R09: ffffed103de5af29 [ 45.465261][ T420] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 45.473159][ T420] R13: ffff8881ee7c8070 R14: ffff8881ee7c8110 R15: 00000000000000c8 [ 45.480965][ T420] FS: 00007f17a1db16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.489832][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.496257][ T420] CR2: 00007ffcdc475618 CR3: 00000001e2e90000 CR4: 00000000003406a0 [ 45.504153][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.512037][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.519843][ T420] Call Trace: [ 45.522991][ T420] ? __die+0xb4/0x100 [ 45.526796][ T420] ? die+0x26/0x50 [ 45.530353][ T420] ? do_general_protection+0x266/0x3c0 [ 45.535652][ T420] ? do_trap+0x340/0x340 [ 45.539813][ T420] ? general_protection+0x28/0x30 [ 45.544764][ T420] ? device_del+0xe7/0xfa0 [ 45.549023][ T420] ? mutex_trylock+0xa0/0xa0 [ 45.553524][ T420] ? kill_device+0xc0/0xc0 [ 45.557776][ T420] ? _raw_spin_unlock_irq+0x4a/0x60 [ 45.562900][ T420] ? pm_runtime_set_memalloc_noio+0x1ec/0x250 [ 45.568900][ T420] del_gendisk+0x9d9/0xc30 [ 45.573158][ T420] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.578971][ T420] ? delete_node+0x706/0x780 [ 45.584630][ T420] loop_remove+0x42/0xa0 [ 45.588828][ T420] loop_control_ioctl+0x564/0x620 [ 45.593941][ T420] ? loop_remove+0xa0/0xa0 [ 45.598281][ T420] ? loop_remove+0xa0/0xa0 [ 45.602597][ T420] do_vfs_ioctl+0x742/0x1720 [ 45.607044][ T420] ? ioctl_preallocate+0x250/0x250 [ 45.611990][ T420] ? __fget+0x407/0x490 [ 45.616045][ T420] ? fget_many+0x20/0x20 [ 45.620211][ T420] ? switch_fpu_return+0x1d4/0x410 [ 45.625173][ T420] ? security_file_ioctl+0x7d/0xa0 [ 45.630283][ T420] __x64_sys_ioctl+0xd4/0x110 [ 45.634883][ T420] do_syscall_64+0xca/0x1c0 [ 45.639229][ T420] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.644941][ T420] Modules linked in: [ 45.649342][ T420] ---[ end trace 77e662bfd2f5b7b8 ]--- [ 45.654713][ T420] RIP: 0010:device_del+0xe7/0xfa0 [ 45.659519][ T420] Code: df e8 6d ca fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01 [ 45.679797][ T420] RSP: 0018:ffff8881ef2d79c0 EFLAGS: 00010202 [ 45.685745][ T420] RAX: dffffc0000000000 RBX: ffff8881ee7c80d8 RCX: 1ffff1103dcf901b [ 45.693591][ T420] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef2d7940 [ 45.701356][ T420] RBP: ffff8881ef2d7a90 R08: dffffc0000000000 R09: ffffed103de5af29 [ 45.709329][ T420] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 45.717298][ T420] R13: ffff8881ee7c8070 R14: ffff8881ee7c8110 R15: 00000000000000c8 [ 45.725209][ T420] FS: 00007f17a1db16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.733975][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.740500][ T420] CR2: 00007ffcdc475618 CR3: 00000001e2e90000 CR4: 00000000003406a0 [ 45.748367][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.756296][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.764205][ T420] Kernel panic - not syncing: Fatal exception [ 45.770816][ T420] Kernel Offset: disabled [ 45.774957][ T420] Rebooting in 86400 seconds..