./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2039150521
<...>
Warning: Permanently added '10.128.0.188' (ECDSA) to the list of known hosts.
execve("./syz-executor2039150521", ["./syz-executor2039150521"], 0x7fff580a36a0 /* 10 vars */) = 0
brk(NULL) = 0x555555dae000
brk(0x555555daec40) = 0x555555daec40
arch_prctl(ARCH_SET_FS, 0x555555dae300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2039150521", 4096) = 28
brk(0x555555dcfc40) = 0x555555dcfc40
brk(0x555555dd0000) = 0x555555dd0000
mprotect(0x7f2d12489000, 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: [ 47.748769][ T3616] ------------[ cut here ]------------
[ 47.754619][ T3616] WARNING: CPU: 1 PID: 3616 at fs/kernfs/dir.c:36 kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 47.764831][ T3616] Modules linked in:
[ 47.768736][ T3616] CPU: 1 PID: 3616 Comm: syz-executor203 Not tainted 6.1.0-rc3-syzkaller-00152-gf2f32f8af2b0 #0
[ 47.779183][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 47.789275][ T3616] RIP: 0010:kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 47.796160][ T3616] Code: e8 05 5a 3a 08 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 e8 c4 07 73 ff e9 35 ff ff ff e8 ba 07 73 ff e9 2b ff ff ff e8 b0 07 73 ff <0f> 0b e9 2c ff ff ff 48 c7 c1 14 bc 27 8e 80 e1 07 80 c1 03 38 c1
[ 47.815799][ T3616] RSP: 0018:ffffc90003d9fb78 EFLAGS: 00010293
[ 47.821860][ T3616] RAX: ffffffff8216aea0 RBX: 0000000000000000 RCX: ffff888077fcd7c0
[ 47.829887][ T3616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 47.837907][ T3616] RBP: dffffc0000000000 R08: ffffffff8216adab R09: fffff520007b3f60
[ 47.845944][ T3616] R10: fffff520007b3f61 R11: 1ffff920007b3f60 R12: dffffc0000000000
[ 47.853952][ T3616] R13: 0000000000000002 R14: ffff888012306570 R15: 0000000000000005
[ 47.861925][ T3616] FS: 0000555555dae300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 47.870880][ T3616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.877491][ T3616] CR2: 0000000020000000 CR3: 000000007a080000 CR4: 00000000003506e0
[ 47.885492][ T3616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 47.893487][ T3616] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 47.901445][ T3616] Call Trace:
[ 47.904761][ T3616]
[ 47.907698][ T3616] kernfs_fh_to_dentry+0x129/0x1d0
[ 47.912806][ T3616] ? do_handle_open+0x8f0/0x8f0
[ 47.917692][ T3616] exportfs_decode_fh_raw+0x140/0x590
[ 47.923104][ T3616] ? do_handle_open+0x8f0/0x8f0
[ 47.927950][ T3616] ? exportfs_encode_fh+0x420/0x420
[ 47.933223][ T3616] ? do_handle_open+0x8f0/0x8f0
[ 47.938080][ T3616] exportfs_decode_fh+0x38/0x70
[ 47.942920][ T3616] do_handle_open+0x488/0x8f0
[ 47.947665][ T3616] ? print_irqtrace_events+0x220/0x220
[ 47.953170][ T3616] ? __x64_compat_sys_open_by_handle_at+0x80/0x80
[ 47.959610][ T3616] ? __ct_user_exit+0x81/0xe0
[ 47.964374][ T3616] ? syscall_enter_from_user_mode+0x2e/0x1d0
[ 47.970377][ T3616] ? syscall_enter_from_user_mode+0x86/0x1d0
[ 47.976435][ T3616] do_syscall_64+0x2b/0x70
[ 47.980861][ T3616] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 47.986792][ T3616] RIP: 0033:0x7f2d1241cbe9
[ 47.991216][ T3616] 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
[ 48.010877][ T3616] RSP: 002b:00007ffe81c84848 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 48.019343][ T3616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d1241cbe9
[ 48.027374][ T3616] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005
[ 48.035379][ T3616] RBP: 00007f2d123e0d90 R08: 0000000000000000 R09: 0000000000000000
[ 48.043393][ T3616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d123e0e20
[ 48.051369][ T3616] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 48.059393][ T3616]
[ 48.062416][ T3616] Kernel panic - not syncing: panic_on_warn set ...
[ 48.068984][ T3616] CPU: 1 PID: 3616 Comm: syz-executor203 Not tainted 6.1.0-rc3-syzkaller-00152-gf2f32f8af2b0 #0
[ 48.079381][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 48.089426][ T3616] Call Trace:
[ 48.092703][ T3616]
[ 48.095631][ T3616] dump_stack_lvl+0x1e3/0x2cb
[ 48.100311][ T3616] ? nf_tcp_handle_invalid+0x62e/0x62e
[ 48.105765][ T3616] ? panic+0x766/0x766
[ 48.109840][ T3616] ? vscnprintf+0x59/0x80
[ 48.114167][ T3616] ? kernfs_find_and_get_node_by_id+0x150/0x270
[ 48.120411][ T3616] panic+0x316/0x766
[ 48.124306][ T3616] ? __warn+0x131/0x220
[ 48.128462][ T3616] ? memcpy_page_flushcache+0xfc/0xfc
[ 48.133845][ T3616] ? kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 48.140088][ T3616] __warn+0x1fa/0x220
[ 48.144074][ T3616] ? kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 48.150316][ T3616] report_bug+0x1b3/0x2d0
[ 48.154651][ T3616] handle_bug+0x3d/0x70
[ 48.158802][ T3616] exc_invalid_op+0x16/0x40
[ 48.163301][ T3616] asm_exc_invalid_op+0x16/0x20
[ 48.168151][ T3616] RIP: 0010:kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 48.175001][ T3616] Code: e8 05 5a 3a 08 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 e8 c4 07 73 ff e9 35 ff ff ff e8 ba 07 73 ff e9 2b ff ff ff e8 b0 07 73 ff <0f> 0b e9 2c ff ff ff 48 c7 c1 14 bc 27 8e 80 e1 07 80 c1 03 38 c1
[ 48.194603][ T3616] RSP: 0018:ffffc90003d9fb78 EFLAGS: 00010293
[ 48.200665][ T3616] RAX: ffffffff8216aea0 RBX: 0000000000000000 RCX: ffff888077fcd7c0
[ 48.208632][ T3616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 48.216596][ T3616] RBP: dffffc0000000000 R08: ffffffff8216adab R09: fffff520007b3f60
[ 48.224562][ T3616] R10: fffff520007b3f61 R11: 1ffff920007b3f60 R12: dffffc0000000000
[ 48.232554][ T3616] R13: 0000000000000002 R14: ffff888012306570 R15: 0000000000000005
[ 48.240531][ T3616] ? kernfs_find_and_get_node_by_id+0xfb/0x270
[ 48.246686][ T3616] ? kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 48.252933][ T3616] ? kernfs_find_and_get_node_by_id+0x1f0/0x270
[ 48.259182][ T3616] kernfs_fh_to_dentry+0x129/0x1d0
[ 48.264314][ T3616] ? do_handle_open+0x8f0/0x8f0
[ 48.269186][ T3616] exportfs_decode_fh_raw+0x140/0x590
[ 48.274574][ T3616] ? do_handle_open+0x8f0/0x8f0
[ 48.279438][ T3616] ? exportfs_encode_fh+0x420/0x420
[ 48.284670][ T3616] ? do_handle_open+0x8f0/0x8f0
[ 48.289518][ T3616] exportfs_decode_fh+0x38/0x70
[ 48.294370][ T3616] do_handle_open+0x488/0x8f0
[ 48.299052][ T3616] ? print_irqtrace_events+0x220/0x220
[ 48.304512][ T3616] ? __x64_compat_sys_open_by_handle_at+0x80/0x80
[ 48.310923][ T3616] ? __ct_user_exit+0x81/0xe0
[ 48.315603][ T3616] ? syscall_enter_from_user_mode+0x2e/0x1d0
[ 48.321586][ T3616] ? syscall_enter_from_user_mode+0x86/0x1d0
[ 48.327566][ T3616] do_syscall_64+0x2b/0x70
[ 48.331980][ T3616] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 48.337888][ T3616] RIP: 0033:0x7f2d1241cbe9
[ 48.342300][ T3616] 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
[ 48.361925][ T3616] RSP: 002b:00007ffe81c84848 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 48.370336][ T3616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d1241cbe9
[ 48.378306][ T3616] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005
[ 48.386269][ T3616] RBP: 00007f2d123e0d90 R08: 0000000000000000 R09: 0000000000000000
[ 48.394235][ T3616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d123e0e20
[ 48.402202][ T3616] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 48.410181][ T3616]
[ 48.413343][ T3616] Kernel Offset: disabled
[ 48.417768][ T3616] Rebooting in 86400 seconds..