./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4199863955
<...>
Warning: Permanently added '10.128.10.36' (ED25519) to the list of known hosts.
execve("./syz-executor4199863955", ["./syz-executor4199863955"], 0x7ffdfc7ced10 /* 10 vars */) = 0
brk(NULL) = 0x5555571bb000
brk(0x5555571bbd00) = 0x5555571bbd00
arch_prctl(ARCH_SET_FS, 0x5555571bb380) = 0
set_tid_address(0x5555571bb650) = 5061
set_robust_list(0x5555571bb660, 24) = 0
rseq(0x5555571bbca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4199863955", 4096) = 28
getrandom("\xfb\x74\x36\xa4\xef\x8b\x06\x32", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555571bbd00
brk(0x5555571dcd00) = 0x5555571dcd00
brk(0x5555571dd000) = 0x5555571dd000
mprotect(0x7f62d2b01000, 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
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f62ca600000
write(3, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x0f\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
munmap(0x7f62ca600000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file0", 0777) = 0
mount("/dev/loop0", "./file0", "bfs", 0, "\x53\x27\xef\x48\x82\x14\xa8\x3a\x03\x98\x1f\xab\x17\xb0\x16\x4c\xc2\x0b\xa7\xb1\x82\x93\x8b\x88\x49\x8d\x71\xa7\xa9\xe8\x73\x30\x1e\x02\xdd\xaf\x6c\x24\x74\xaa\x63\x68\xc9\x3d\x04\xed\xfc\xe2\xc9\xd1\xae\x54\xfd\x76\x71\x62\x0b") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
mknodat(AT_FDCWD, "./file1", 000) = 0
creat("./file0", 000) = 4
rename("./file1", "./file0") = 0
[ 56.010092][ T5061] loop0: detected capacity change from 0 to 64
mknodat(AT_FDCWD, "./file1", 000) = 0
mkdir(".", 0777) = -1 EEXIST (File exists)
mount(NULL, ".", 0x20000180, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x14\x27\x0e\x2d\x25\xcc\xcf\xf0\x78\xb9\x14\x0e\x8a\x1e\x19\xf3\xb4\xc3\xbd\x09\x96\x8d\xd1\x91\x1a\xce\xf2\x43\x01\xd7\x64\xd9\xe1\x17\xda\x79\x06\x3a\x62\xe3\xa5\x92\xfb\x42\xf7\xd9\xdd\xb2\x68\x2b\x4c\x2f\xf5\x80\xe2\x5f\xa8\xef\xfb\xd5\x3a\xcf\xb0\xf8\x70\xbc\x1e\x49\xd0\x1a\x5b\x7f\xf5\x51\x50\xd2\xbf\x3b\x04\x28\x58\xc5\x32\x5c\x2b\x56\x9b\x32\x0c\xd4\x4e\x49\xe2\x46\xcc\x1e\x41\xf0\x4d\x2e"...) = 0
openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 5
chdir(".") = 0
[ 56.119315][ T5061] ------------[ cut here ]------------
[ 56.125037][ T5061] WARNING: CPU: 0 PID: 5061 at fs/inode.c:331 drop_nlink+0xc4/0x110
[ 56.133273][ T5061] Modules linked in:
[ 56.137283][ T5061] CPU: 0 PID: 5061 Comm: syz-executor419 Not tainted 6.8.0-rc7-syzkaller-00229-g10d48d70e82d #0
[ 56.147745][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 56.157863][ T5061] RIP: 0010:drop_nlink+0xc4/0x110
[ 56.162907][ T5061] Code: bb 48 07 00 00 be 08 00 00 00 e8 a7 ad e7 ff f0 48 ff 83 48 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 2d d9 88 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 56.182647][ T5061] RSP: 0018:ffffc9000414f970 EFLAGS: 00010293
[ 56.188793][ T5061] RAX: ffffffff820a94d3 RBX: 1ffff1100f83b956 RCX: ffff88807ccc0000
[ 56.196916][ T5061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 56.204929][ T5061] RBP: 0000000000000000 R08: ffffffff820a9453 R09: 1ffffffff258b09d
[ 56.212918][ T5061] R10: dffffc0000000000 R11: fffffbfff258b09e R12: ffff88807c1dcab0
[ 56.220935][ T5061] R13: dffffc0000000000 R14: ffff88807c1dca68 R15: dffffc0000000000
[ 56.228948][ T5061] FS: 00005555571bb380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 56.237942][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.244642][ T5061] CR2: 00007fb31d7f2304 CR3: 00000000291cc000 CR4: 00000000003506f0
[ 56.252628][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.260647][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.268655][ T5061] Call Trace:
[ 56.271948][ T5061]
[ 56.274946][ T5061] ? __warn+0x162/0x4b0
[ 56.279334][ T5061] ? drop_nlink+0xc4/0x110
[ 56.283795][ T5061] ? report_bug+0x2b3/0x500
[ 56.288315][ T5061] ? drop_nlink+0xc4/0x110
[ 56.292718][ T5061] ? handle_bug+0x3e/0x70
[ 56.297110][ T5061] ? exc_invalid_op+0x1a/0x50
[ 56.301818][ T5061] ? asm_exc_invalid_op+0x1a/0x20
[ 56.306910][ T5061] ? drop_nlink+0x43/0x110
[ 56.311351][ T5061] ? drop_nlink+0xc3/0x110
[ 56.315828][ T5061] ? drop_nlink+0xc4/0x110
[ 56.320259][ T5061] bfs_rename+0x432/0x4f0
[ 56.324636][ T5061] ? __pfx_bfs_rename+0x10/0x10
[ 56.329498][ T5061] ? __pfx___down_write_common+0x10/0x10
[ 56.335189][ T5061] ? __pfx_bfs_rename+0x10/0x10
[ 56.340050][ T5061] vfs_rename+0xbdb/0xf00
[ 56.344445][ T5061] ? __pfx_vfs_rename+0x10/0x10
[ 56.349312][ T5061] ? security_path_rename+0x18b/0x220
[ 56.354748][ T5061] do_renameat2+0xd94/0x13f0
[ 56.359382][ T5061] ? __pfx_do_renameat2+0x10/0x10
[ 56.364449][ T5061] ? __virt_addr_valid+0x183/0x520
[ 56.369570][ T5061] ? __virt_addr_valid+0x183/0x520
[ 56.374754][ T5061] ? __check_object_size+0x4bb/0xa00
[ 56.380060][ T5061] ? getname_flags+0x1fd/0x4f0
[ 56.384884][ T5061] __x64_sys_rename+0x86/0xa0
[ 56.389586][ T5061] do_syscall_64+0xf9/0x240
[ 56.394159][ T5061] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 56.400065][ T5061] RIP: 0033:0x7f62d2a8dbb9
[ 56.404532][ T5061] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 56.424242][ T5061] RSP: 002b:00007ffd8f642238 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 56.432682][ T5061] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f62d2a8dbb9
[ 56.440730][ T5061] RDX: 00007f62d2a8cf37 RSI: 0000000020000180 RDI: 0000000020000140
[ 56.448851][ T5061] RBP: 0031656c69662f2e R08: 0000000020000000 R09: 0000000000000000
[ 56.456873][ T5061] R10: 00007ffd8f642100 R11: 0000000000000246 R12: 00007f62d2ad604b
[ 56.464910][ T5061] R13: 00007ffd8f642418 R14: 0000000000000001 R15: 0000000000000001
[ 56.472886][ T5061]
[ 56.475937][ T5061] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 56.483213][ T5061] CPU: 0 PID: 5061 Comm: syz-executor419 Not tainted 6.8.0-rc7-syzkaller-00229-g10d48d70e82d #0
[ 56.493607][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 56.503659][ T5061] Call Trace:
[ 56.506926][ T5061]
[ 56.509838][ T5061] dump_stack_lvl+0x1e7/0x2e0
[ 56.514503][ T5061] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.519686][ T5061] ? __pfx__printk+0x10/0x10
[ 56.524260][ T5061] ? _printk+0xd5/0x120
[ 56.528404][ T5061] ? vscnprintf+0x5d/0x90
[ 56.532714][ T5061] panic+0x349/0x860
[ 56.536601][ T5061] ? __warn+0x171/0x4b0
[ 56.540752][ T5061] ? __pfx_panic+0x10/0x10
[ 56.545162][ T5061] ? show_trace_log_lvl+0x4e4/0x520
[ 56.550371][ T5061] __warn+0x31c/0x4b0
[ 56.554343][ T5061] ? drop_nlink+0xc4/0x110
[ 56.558752][ T5061] report_bug+0x2b3/0x500
[ 56.563073][ T5061] ? drop_nlink+0xc4/0x110
[ 56.567481][ T5061] handle_bug+0x3e/0x70
[ 56.571630][ T5061] exc_invalid_op+0x1a/0x50
[ 56.576122][ T5061] asm_exc_invalid_op+0x1a/0x20
[ 56.581319][ T5061] RIP: 0010:drop_nlink+0xc4/0x110
[ 56.586338][ T5061] Code: bb 48 07 00 00 be 08 00 00 00 e8 a7 ad e7 ff f0 48 ff 83 48 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 2d d9 88 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 56.605932][ T5061] RSP: 0018:ffffc9000414f970 EFLAGS: 00010293
[ 56.611992][ T5061] RAX: ffffffff820a94d3 RBX: 1ffff1100f83b956 RCX: ffff88807ccc0000
[ 56.619951][ T5061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 56.627912][ T5061] RBP: 0000000000000000 R08: ffffffff820a9453 R09: 1ffffffff258b09d
[ 56.635871][ T5061] R10: dffffc0000000000 R11: fffffbfff258b09e R12: ffff88807c1dcab0
[ 56.643830][ T5061] R13: dffffc0000000000 R14: ffff88807c1dca68 R15: dffffc0000000000
[ 56.651793][ T5061] ? drop_nlink+0x43/0x110
[ 56.656198][ T5061] ? drop_nlink+0xc3/0x110
[ 56.660612][ T5061] bfs_rename+0x432/0x4f0
[ 56.664964][ T5061] ? __pfx_bfs_rename+0x10/0x10
[ 56.669806][ T5061] ? __pfx___down_write_common+0x10/0x10
[ 56.675431][ T5061] ? __pfx_bfs_rename+0x10/0x10
[ 56.680273][ T5061] vfs_rename+0xbdb/0xf00
[ 56.684605][ T5061] ? __pfx_vfs_rename+0x10/0x10
[ 56.689449][ T5061] ? security_path_rename+0x18b/0x220
[ 56.694810][ T5061] do_renameat2+0xd94/0x13f0
[ 56.699413][ T5061] ? __pfx_do_renameat2+0x10/0x10
[ 56.704432][ T5061] ? __virt_addr_valid+0x183/0x520
[ 56.709537][ T5061] ? __virt_addr_valid+0x183/0x520
[ 56.714639][ T5061] ? __check_object_size+0x4bb/0xa00
[ 56.719929][ T5061] ? getname_flags+0x1fd/0x4f0
[ 56.724702][ T5061] __x64_sys_rename+0x86/0xa0
[ 56.729373][ T5061] do_syscall_64+0xf9/0x240
[ 56.733871][ T5061] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 56.739757][ T5061] RIP: 0033:0x7f62d2a8dbb9
[ 56.744162][ T5061] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 56.763770][ T5061] RSP: 002b:00007ffd8f642238 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 56.772184][ T5061] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f62d2a8dbb9
[ 56.780277][ T5061] RDX: 00007f62d2a8cf37 RSI: 0000000020000180 RDI: 0000000020000140
[ 56.788241][ T5061] RBP: 0031656c69662f2e R08: 0000000020000000 R09: 0000000000000000
[ 56.796206][ T5061] R10: 00007ffd8f642100 R11: 0000000000000246 R12: 00007f62d2ad604b
[ 56.804167][ T5061] R13: 00007ffd8f642418 R14: 0000000000000001 R15: 0000000000000001
[ 56.812140][ T5061]
[ 56.815403][ T5061] Kernel Offset: disabled
[ 56.819793][ T5061] Rebooting in 86400 seconds..