./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3439297835
<...>
Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts.
execve("./syz-executor3439297835", ["./syz-executor3439297835"], 0x7ffd11e9e6e0 /* 10 vars */) = 0
brk(NULL) = 0x555587b02000
brk(0x555587b02d00) = 0x555587b02d00
arch_prctl(ARCH_SET_FS, 0x555587b02380) = 0
set_tid_address(0x555587b02650) = 5825
set_robust_list(0x555587b02660, 24) = 0
rseq(0x555587b02ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3439297835", 4096) = 28
getrandom("\x00\x42\x89\x79\xc8\xf6\x78\x55", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555587b02d00
brk(0x555587b23d00) = 0x555587b23d00
brk(0x555587b24000) = 0x555587b24000
mprotect(0x7fbcf5e00000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached
, child_tidptr=0x555587b02650) = 5827
[pid 5827] set_robust_list(0x555587b02660, 24) = 0
[pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5827] setpgid(0, 0) = 0
[pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5827] write(3, "1000", 4) = 4
[pid 5827] close(3) = 0
executing program
[pid 5827] write(1, "executing program\n", 18) = 18
[pid 5827] memfd_create("syzkaller", 0) = 3
[pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbced800000
[pid 5827] write(3, "\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\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"..., 524288) = 524288
[pid 5827] munmap(0x7fbced800000, 138412032) = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5827] close(3) = 0
[pid 5827] close(4) = 0
[pid 5827] mkdir("./file1", 0777) = 0
[pid 5827] mount("/dev/loop0", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_NODIRATIME|MS_REC, "") = 0
[pid 5827] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[ 79.306931][ T5827] loop0: detected capacity change from 0 to 1024
[pid 5827] chdir("./file1") = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5827] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 0130) = 4
[pid 5827] openat(AT_FDCWD, ".", O_RDONLY) = 5
[pid 5827] symlinkat("\x2e\x02", 5, "\x2e\x02") = 0
[pid 5827] rename("\x2e\x02", "./file1") = -1 ENOENT (No such file or directory)
[ 79.427270][ T5827] ------------[ cut here ]------------
[ 79.433004][ T5827] WARNING: CPU: 1 PID: 5827 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 79.441151][ T5827] Modules linked in:
[ 79.445098][ T5827] CPU: 1 UID: 0 PID: 5827 Comm: syz-executor343 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0
[ 79.456395][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 79.466559][ T5827] RIP: 0010:drop_nlink+0xc4/0x110
[ 79.471708][ T5827] Code: bb 70 07 00 00 be 08 00 00 00 e8 87 c5 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 8d 0e 82 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 79.491412][ T5827] RSP: 0018:ffffc90003f5f8f0 EFLAGS: 00010293
[ 79.497509][ T5827] RAX: ffffffff823fc033 RBX: 1ffff1100f830477 RCX: ffff88807c551e00
[ 79.505587][ T5827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 79.513655][ T5827] RBP: 0000000000000000 R08: ffffffff823fbfb3 R09: 1ffff920007ebe80
[ 79.521709][ T5827] R10: dffffc0000000000 R11: fffff520007ebe81 R12: ffff88807c1823b8
[ 79.529718][ T5827] R13: ffff88807a78cd90 R14: ffff88807c182370 R15: dffffc0000000000
[ 79.537835][ T5827] FS: 0000555587b02380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 79.546844][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.553535][ T5827] CR2: 000055c26602d2c0 CR3: 0000000078a6a000 CR4: 00000000003526f0
[ 79.561602][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.569596][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.577687][ T5827] Call Trace:
[ 79.581061][ T5827]
[ 79.584009][ T5827] ? __warn+0x165/0x4d0
[ 79.588181][ T5827] ? drop_nlink+0xc4/0x110
[ 79.592689][ T5827] ? report_bug+0x2b3/0x500
[ 79.597236][ T5827] ? drop_nlink+0xc4/0x110
[ 79.601750][ T5827] ? handle_bug+0x60/0x90
[ 79.606117][ T5827] ? exc_invalid_op+0x1a/0x50
[ 79.610832][ T5827] ? asm_exc_invalid_op+0x1a/0x20
[ 79.615994][ T5827] ? drop_nlink+0x43/0x110
[ 79.620462][ T5827] ? drop_nlink+0xc3/0x110
[ 79.624984][ T5827] ? drop_nlink+0xc4/0x110
[ 79.629477][ T5827] hfsplus_unlink+0x3fe/0x790
[ 79.634285][ T5827] ? __pfx___might_resched+0x10/0x10
[ 79.639619][ T5827] ? __pfx_hfsplus_unlink+0x10/0x10
[ 79.644930][ T5827] ? do_raw_spin_lock+0x14f/0x370
[ 79.650006][ T5827] ? down_write_nested+0x195/0x220
[ 79.655218][ T5827] ? __pfx_down_write_nested+0x10/0x10
[ 79.660706][ T5827] ? do_raw_spin_unlock+0x13c/0x8b0
[ 79.665995][ T5827] hfsplus_rename+0xc8/0x1c0
[ 79.670636][ T5827] ? __pfx_hfsplus_rename+0x10/0x10
[ 79.675996][ T5827] vfs_rename+0xbdb/0xf00
[ 79.680649][ T5827] ? __pfx_vfs_rename+0x10/0x10
[ 79.685612][ T5827] ? bpf_lsm_path_rename+0x9/0x10
[ 79.690674][ T5827] do_renameat2+0xd94/0x13f0
[ 79.695389][ T5827] ? __pfx_do_renameat2+0x10/0x10
[ 79.700458][ T5827] ? __virt_addr_valid+0x183/0x530
[ 79.705641][ T5827] ? __virt_addr_valid+0x45f/0x530
[ 79.710792][ T5827] ? __phys_addr_symbol+0x2f/0x70
[ 79.715928][ T5827] ? strncpy_from_user+0x146/0x270
[ 79.721126][ T5827] ? getname_flags+0x1e3/0x540
[ 79.725913][ T5827] __x64_sys_rename+0x82/0x90
[ 79.730600][ T5827] do_syscall_64+0xf3/0x230
[ 79.735206][ T5827] ? clear_bhb_loop+0x35/0x90
[ 79.739928][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.745948][ T5827] RIP: 0033:0x7fbcf5d8cb99
[ 79.750420][ T5827] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 79.770394][ T5827] RSP: 002b:00007fff44b57ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 79.778897][ T5827] RAX: ffffffffffffffda RBX: 0000400000000840 RCX: 00007fbcf5d8cb99
[ 79.786988][ T5827] RDX: ffffffffffffffb8 RSI: 0000400000000840 RDI: 0000400000000800
[ 79.795084][ T5827] RBP: 0000400000000800 R08: 0000555587b034c0 R09: 0000555587b034c0
[ 79.803181][ T5827] R10: 0000555587b034c0 R11: 0000000000000246 R12: 0031656c69662f2e
[ 79.811235][ T5827] R13: 00007fff44b58128 R14: 0000400000000802 R15: 00007fbcf5dd503b
[ 79.819266][ T5827]
[ 79.822428][ T5827] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 79.829729][ T5827] CPU: 1 UID: 0 PID: 5827 Comm: syz-executor343 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0
[ 79.840938][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 79.850998][ T5827] Call Trace:
[ 79.854282][ T5827]
[ 79.857214][ T5827] dump_stack_lvl+0x241/0x360
[ 79.861932][ T5827] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.867140][ T5827] ? __pfx__printk+0x10/0x10
[ 79.871751][ T5827] ? vscnprintf+0x5d/0x90
[ 79.876086][ T5827] panic+0x349/0x880
[ 79.879989][ T5827] ? __warn+0x174/0x4d0
[ 79.884161][ T5827] ? __pfx_panic+0x10/0x10
[ 79.888769][ T5827] __warn+0x344/0x4d0
[ 79.892755][ T5827] ? drop_nlink+0xc4/0x110
[ 79.897178][ T5827] report_bug+0x2b3/0x500
[ 79.901512][ T5827] ? drop_nlink+0xc4/0x110
[ 79.905948][ T5827] handle_bug+0x60/0x90
[ 79.910139][ T5827] exc_invalid_op+0x1a/0x50
[ 79.914662][ T5827] asm_exc_invalid_op+0x1a/0x20
[ 79.919780][ T5827] RIP: 0010:drop_nlink+0xc4/0x110
[ 79.924843][ T5827] Code: bb 70 07 00 00 be 08 00 00 00 e8 87 c5 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 8d 0e 82 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 79.944465][ T5827] RSP: 0018:ffffc90003f5f8f0 EFLAGS: 00010293
[ 79.950551][ T5827] RAX: ffffffff823fc033 RBX: 1ffff1100f830477 RCX: ffff88807c551e00
[ 79.958549][ T5827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 79.966525][ T5827] RBP: 0000000000000000 R08: ffffffff823fbfb3 R09: 1ffff920007ebe80
[ 79.974591][ T5827] R10: dffffc0000000000 R11: fffff520007ebe81 R12: ffff88807c1823b8
[ 79.982569][ T5827] R13: ffff88807a78cd90 R14: ffff88807c182370 R15: dffffc0000000000
[ 79.990668][ T5827] ? drop_nlink+0x43/0x110
[ 79.995118][ T5827] ? drop_nlink+0xc3/0x110
[ 79.999574][ T5827] hfsplus_unlink+0x3fe/0x790
[ 80.004274][ T5827] ? __pfx___might_resched+0x10/0x10
[ 80.009597][ T5827] ? __pfx_hfsplus_unlink+0x10/0x10
[ 80.014807][ T5827] ? do_raw_spin_lock+0x14f/0x370
[ 80.019847][ T5827] ? down_write_nested+0x195/0x220
[ 80.024967][ T5827] ? __pfx_down_write_nested+0x10/0x10
[ 80.030431][ T5827] ? do_raw_spin_unlock+0x13c/0x8b0
[ 80.035640][ T5827] hfsplus_rename+0xc8/0x1c0
[ 80.040244][ T5827] ? __pfx_hfsplus_rename+0x10/0x10
[ 80.045464][ T5827] vfs_rename+0xbdb/0xf00
[ 80.049820][ T5827] ? __pfx_vfs_rename+0x10/0x10
[ 80.054691][ T5827] ? bpf_lsm_path_rename+0x9/0x10
[ 80.059727][ T5827] do_renameat2+0xd94/0x13f0
[ 80.064354][ T5827] ? __pfx_do_renameat2+0x10/0x10
[ 80.069397][ T5827] ? __virt_addr_valid+0x183/0x530
[ 80.074606][ T5827] ? __virt_addr_valid+0x45f/0x530
[ 80.079733][ T5827] ? __phys_addr_symbol+0x2f/0x70
[ 80.084776][ T5827] ? strncpy_from_user+0x146/0x270
[ 80.089904][ T5827] ? getname_flags+0x1e3/0x540
[ 80.094680][ T5827] __x64_sys_rename+0x82/0x90
[ 80.099370][ T5827] do_syscall_64+0xf3/0x230
[ 80.103883][ T5827] ? clear_bhb_loop+0x35/0x90
[ 80.108575][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.114482][ T5827] RIP: 0033:0x7fbcf5d8cb99
[ 80.118935][ T5827] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 80.138650][ T5827] RSP: 002b:00007fff44b57ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 80.147082][ T5827] RAX: ffffffffffffffda RBX: 0000400000000840 RCX: 00007fbcf5d8cb99
[ 80.155061][ T5827] RDX: ffffffffffffffb8 RSI: 0000400000000840 RDI: 0000400000000800
[ 80.163041][ T5827] RBP: 0000400000000800 R08: 0000555587b034c0 R09: 0000555587b034c0
[ 80.171016][ T5827] R10: 0000555587b034c0 R11: 0000000000000246 R12: 0031656c69662f2e
[ 80.179006][ T5827] R13: 00007fff44b58128 R14: 0000400000000802 R15: 00007fbcf5dd503b
[ 80.187000][ T5827]
[ 80.190244][ T5827] Kernel Offset: disabled
[ 80.194649][ T5827] Rebooting in 86400 seconds..