./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1876603295
<...>
forked to background, child pid 3185
no interfaces have a carrier
[ 22.718456][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0
[ 22.727828][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.28' (ECDSA) to the list of known hosts.
execve("./syz-executor1876603295", ["./syz-executor1876603295"], 0x7fffce5d10a0 /* 10 vars */) = 0
brk(NULL) = 0x5555572c8000
brk(0x5555572c8c40) = 0x5555572c8c40
arch_prctl(ARCH_SET_FS, 0x5555572c8300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1876603295", 4096) = 28
brk(0x5555572e9c40) = 0x5555572e9c40
brk(0x5555572ea000) = 0x5555572ea000
mprotect(0x7f8dc5793000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
fsopen("cgroup2", 0) = 3
fsconfig(3, FSCONFIG_CMD_CREATE, NULL, NULL, 0) = 0
fsmount(3, 0, 0) = 4
openat(4, "cgroup.subtree_control", O_RDWR) = 5
syzkaller login: [ 45.443243][ T3613] ------------[ cut here ]------------
[ 45.449195][ T3613] WARNING: CPU: 1 PID: 3613 at fs/kernfs/dir.c:36 kernfs_active+0x119/0x150
[ 45.457856][ T3613] Modules linked in:
[ 45.462261][ T3613] CPU: 1 PID: 3613 Comm: syz-executor187 Not tainted 6.1.0-rc4-syzkaller-00356-g8f2975c2bb4c #0
[ 45.472725][ T3613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 45.482820][ T3613] RIP: 0010:kernfs_active+0x119/0x150
[ 45.488261][ T3613] Code: e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1f 8b 5b 04 31 ff 89 de e8 e6 6d 7e ff 89 d8 5b f7 d0 5d c1 e8 1f c3 e8 07 71 7e ff <0f> 0b eb a5 48 89 ef e8 5b c7 ca ff eb d7 48 c7 c7 4c 65 e2 8d e8
[ 45.507897][ T3613] RSP: 0018:ffffc90003c7fbc0 EFLAGS: 00010293
[ 45.514014][ T3613] RAX: 0000000000000000 RBX: ffff8881400f3570 RCX: 0000000000000000
[ 45.522007][ T3613] RDX: ffff888020a6ba80 RSI: ffffffff81fe3b79 RDI: 0000000000000005
[ 45.529998][ T3613] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 45.537967][ T3613] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881400f3570
[ 45.546152][ T3613] R13: ffff888079626000 R14: 0000000000000000 R15: 0000000000000002
[ 45.554180][ T3613] FS: 00005555572c8300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 45.563153][ T3613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.569764][ T3613] CR2: 0000000020000000 CR3: 000000001d099000 CR4: 0000000000350ee0
[ 45.577745][ T3613] Call Trace:
[ 45.581084][ T3613]
[ 45.584017][ T3613] kernfs_find_and_get_node_by_id+0x84/0x170
[ 45.590031][ T3613] __kernfs_fh_to_dentry+0xdb/0x270
[ 45.595262][ T3613] exportfs_decode_fh_raw+0x127/0x7d0
[ 45.600677][ T3613] ? drop_caches_sysctl_handler+0x110/0x110
[ 45.606668][ T3613] ? kernfs_fh_to_parent+0x40/0x40
[ 45.611816][ T3613] ? reconnect_path+0x810/0x810
[ 45.616696][ T3613] ? find_held_lock+0x2d/0x110
[ 45.621669][ T3613] ? __might_fault+0xd1/0x170
[ 45.626366][ T3613] ? lock_downgrade+0x6e0/0x6e0
[ 45.631289][ T3613] ? drop_caches_sysctl_handler+0x110/0x110
[ 45.637242][ T3613] exportfs_decode_fh+0x38/0x90
[ 45.642586][ T3613] do_handle_open+0x2b6/0x8b0
[ 45.647296][ T3613] ? do_sys_name_to_handle+0x4c0/0x4c0
[ 45.652805][ T3613] ? _raw_spin_unlock_irq+0x1f/0x40
[ 45.658143][ T3613] ? lockdep_hardirqs_on+0x79/0x100
[ 45.663395][ T3613] ? _raw_spin_unlock_irq+0x2a/0x40
[ 45.668656][ T3613] ? ptrace_notify+0xfa/0x140
[ 45.673412][ T3613] do_syscall_64+0x35/0xb0
[ 45.677818][ T3613] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 45.683767][ T3613] RIP: 0033:0x7f8dc5726be9
[ 45.688204][ T3613] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 45.709373][ T3613] RSP: 002b:00007ffe9cd315d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 45.717814][ T3613] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8dc5726be9
[ 45.725854][ T3613] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005
[ 45.733862][ T3613] RBP: 00007f8dc56ead90 R08: 0000000000000000 R09: 0000000000000000
[ 45.741891][ T3613] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dc56eae20
[ 45.749889][ T3613] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 45.757853][ T3613]
[ 45.761076][ T3613] Kernel panic - not syncing: panic_on_warn set ...
[ 45.767659][ T3613] CPU: 1 PID: 3613 Comm: syz-executor187 Not tainted 6.1.0-rc4-syzkaller-00356-g8f2975c2bb4c #0
[ 45.778062][ T3613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 45.788118][ T3613] Call Trace:
[ 45.791378][ T3613]
[ 45.794304][ T3613] dump_stack_lvl+0xcd/0x134
[ 45.798887][ T3613] panic+0x2c8/0x622
[ 45.802767][ T3613] ? panic_print_sys_info.part.0+0x110/0x110
[ 45.808737][ T3613] ? __warn.cold+0x24b/0x350
[ 45.813501][ T3613] ? kernfs_active+0x119/0x150
[ 45.818245][ T3613] __warn.cold+0x25c/0x350
[ 45.822744][ T3613] ? kernfs_active+0x119/0x150
[ 45.827494][ T3613] report_bug+0x1bc/0x210
[ 45.831812][ T3613] handle_bug+0x3c/0x70
[ 45.835951][ T3613] exc_invalid_op+0x14/0x40
[ 45.840432][ T3613] asm_exc_invalid_op+0x16/0x20
[ 45.845446][ T3613] RIP: 0010:kernfs_active+0x119/0x150
[ 45.850821][ T3613] Code: e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1f 8b 5b 04 31 ff 89 de e8 e6 6d 7e ff 89 d8 5b f7 d0 5d c1 e8 1f c3 e8 07 71 7e ff <0f> 0b eb a5 48 89 ef e8 5b c7 ca ff eb d7 48 c7 c7 4c 65 e2 8d e8
[ 45.870424][ T3613] RSP: 0018:ffffc90003c7fbc0 EFLAGS: 00010293
[ 45.876573][ T3613] RAX: 0000000000000000 RBX: ffff8881400f3570 RCX: 0000000000000000
[ 45.884530][ T3613] RDX: ffff888020a6ba80 RSI: ffffffff81fe3b79 RDI: 0000000000000005
[ 45.892489][ T3613] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 45.900445][ T3613] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881400f3570
[ 45.908403][ T3613] R13: ffff888079626000 R14: 0000000000000000 R15: 0000000000000002
[ 45.916372][ T3613] ? kernfs_active+0x119/0x150
[ 45.921147][ T3613] kernfs_find_and_get_node_by_id+0x84/0x170
[ 45.927119][ T3613] __kernfs_fh_to_dentry+0xdb/0x270
[ 45.932314][ T3613] exportfs_decode_fh_raw+0x127/0x7d0
[ 45.937680][ T3613] ? drop_caches_sysctl_handler+0x110/0x110
[ 45.943565][ T3613] ? kernfs_fh_to_parent+0x40/0x40
[ 45.948675][ T3613] ? reconnect_path+0x810/0x810
[ 45.953529][ T3613] ? find_held_lock+0x2d/0x110
[ 45.958299][ T3613] ? __might_fault+0xd1/0x170
[ 45.962965][ T3613] ? lock_downgrade+0x6e0/0x6e0
[ 45.967808][ T3613] ? drop_caches_sysctl_handler+0x110/0x110
[ 45.973710][ T3613] exportfs_decode_fh+0x38/0x90
[ 45.978570][ T3613] do_handle_open+0x2b6/0x8b0
[ 45.983241][ T3613] ? do_sys_name_to_handle+0x4c0/0x4c0
[ 45.988690][ T3613] ? _raw_spin_unlock_irq+0x1f/0x40
[ 45.993880][ T3613] ? lockdep_hardirqs_on+0x79/0x100
[ 45.999064][ T3613] ? _raw_spin_unlock_irq+0x2a/0x40
[ 46.004251][ T3613] ? ptrace_notify+0xfa/0x140
[ 46.008936][ T3613] do_syscall_64+0x35/0xb0
[ 46.013346][ T3613] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 46.019333][ T3613] RIP: 0033:0x7f8dc5726be9
[ 46.023734][ T3613] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 46.043336][ T3613] RSP: 002b:00007ffe9cd315d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 46.051739][ T3613] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8dc5726be9
[ 46.059705][ T3613] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005
[ 46.067667][ T3613] RBP: 00007f8dc56ead90 R08: 0000000000000000 R09: 0000000000000000
[ 46.075636][ T3613] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dc56eae20
[ 46.083596][ T3613] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 46.091572][ T3613]
[ 46.095131][ T3613] Kernel Offset: disabled
[ 46.099540][ T3613] Rebooting in 86400 seconds..