./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2655944885
<...>
Warning: Permanently added '10.128.1.185' (ED25519) to the list of known hosts.
execve("./syz-executor2655944885", ["./syz-executor2655944885"], 0x7ffec0130870 /* 10 vars */) = 0
brk(NULL) = 0x55555ebf3000
brk(0x55555ebf3d00) = 0x55555ebf3d00
arch_prctl(ARCH_SET_FS, 0x55555ebf3380) = 0
set_tid_address(0x55555ebf3650) = 5828
set_robust_list(0x55555ebf3660, 24) = 0
rseq(0x55555ebf3ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2655944885", 4096) = 28
getrandom("\xa1\xb9\x46\xc3\xf0\x06\x6c\x72", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555ebf3d00
brk(0x55555ec14d00) = 0x55555ec14d00
brk(0x55555ec15000) = 0x55555ec15000
mprotect(0x7f09a788d000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
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 5830 attached
, child_tidptr=0x55555ebf3650) = 5830
[pid 5830] set_robust_list(0x55555ebf3660, 24) = 0
[pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5830] setpgid(0, 0) = 0
[pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5830] write(3, "1000", 4) = 4
[pid 5830] close(3) = 0
executing program
[pid 5830] write(1, "executing program\n", 18) = 18
[pid 5830] memfd_create("syzkaller", 0) = 3
[pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f099f200000
[pid 5830] 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 5830] munmap(0x7f099f200000, 138412032) = 0
[pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5830] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5830] close(3) = 0
[pid 5830] close(4) = 0
[pid 5830] mkdir("./file1", 0777) = 0
[pid 5830] mount("/dev/loop0", "./file1", "hfsplus", 0, "\x6e\x6f\x62\x61\x72\x72\x69\x65\x72\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\x5c\x5d\x07\x84\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xbd\x3c\xff\xf5\x2c\x6e\x6c\x73\x3d\x63\x70\x34\x33\x37\x2c\x75\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x33\x37\x2c\x6e\x6f\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c") = 0
[pid 5830] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5830] chdir("./file1") = 0
[ 79.080888][ T5830] loop0: detected capacity change from 0 to 1024
[pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5830] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 020) = 4
[pid 5830] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_APPEND, 0404) = 5
[pid 5830] rename("./bus", "./file1") = -1 ENOENT (No such file or directory)
[ 79.177107][ T5830] ------------[ cut here ]------------
[ 79.182852][ T5830] WARNING: CPU: 0 PID: 5830 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 79.191028][ T5830] Modules linked in:
[ 79.194978][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor265 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[ 79.206203][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 79.216454][ T5830] RIP: 0010:drop_nlink+0xc4/0x110
[ 79.221530][ T5830] Code: bb 70 07 00 00 be 08 00 00 00 e8 d7 b8 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d fd 81 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 79.241280][ T5830] RSP: 0018:ffffc9000402f8f0 EFLAGS: 00010293
[ 79.247440][ T5830] RAX: ffffffff823fe283 RBX: 1ffff1100df8a477 RCX: ffff88806ed49e00
[ 79.255451][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 79.263519][ T5830] RBP: 0000000000000000 R08: ffffffff823fe203 R09: 1ffff92000805e80
[ 79.271592][ T5830] R10: dffffc0000000000 R11: fffff52000805e81 R12: ffff88806fc523b8
[ 79.279659][ T5830] R13: ffff88807dee31f8 R14: ffff88806fc52370 R15: dffffc0000000000
[ 79.287720][ T5830] FS: 000055555ebf3380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 79.296812][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.303428][ T5830] CR2: 00007f1efb995ed8 CR3: 000000007a528000 CR4: 00000000003526f0
[ 79.311502][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.319619][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.327786][ T5830] Call Trace:
[ 79.331097][ T5830]
[ 79.334050][ T5830] ? __warn+0x165/0x4d0
[ 79.338319][ T5830] ? drop_nlink+0xc4/0x110
[ 79.342781][ T5830] ? report_bug+0x2b3/0x500
[ 79.347399][ T5830] ? drop_nlink+0xc4/0x110
[ 79.351868][ T5830] ? handle_bug+0x60/0x90
[ 79.356227][ T5830] ? exc_invalid_op+0x1a/0x50
[ 79.360999][ T5830] ? asm_exc_invalid_op+0x1a/0x20
[ 79.366066][ T5830] ? drop_nlink+0x43/0x110
[ 79.370563][ T5830] ? drop_nlink+0xc3/0x110
[ 79.375186][ T5830] ? drop_nlink+0xc4/0x110
[ 79.379682][ T5830] hfsplus_unlink+0x3fe/0x790
[ 79.384427][ T5830] ? __pfx___might_resched+0x10/0x10
[ 79.389791][ T5830] ? __pfx_hfsplus_unlink+0x10/0x10
[ 79.395023][ T5830] ? do_raw_spin_lock+0x14f/0x370
[ 79.400119][ T5830] ? down_write_nested+0x195/0x220
[ 79.405310][ T5830] ? __pfx_down_write_nested+0x10/0x10
[ 79.410857][ T5830] ? do_raw_spin_unlock+0x13c/0x8b0
[ 79.416101][ T5830] hfsplus_rename+0xc8/0x1c0
[ 79.420963][ T5830] ? __pfx_hfsplus_rename+0x10/0x10
[ 79.426209][ T5830] vfs_rename+0xbdb/0xf00
[ 79.430636][ T5830] ? __pfx_vfs_rename+0x10/0x10
[ 79.435535][ T5830] ? bpf_lsm_path_rename+0x9/0x10
[ 79.440650][ T5830] do_renameat2+0xd94/0x13f0
[ 79.445310][ T5830] ? __pfx_do_renameat2+0x10/0x10
[ 79.450441][ T5830] ? __virt_addr_valid+0x183/0x530
[ 79.455588][ T5830] ? __virt_addr_valid+0x45f/0x530
[ 79.460780][ T5830] ? __phys_addr_symbol+0x2f/0x70
[ 79.465858][ T5830] ? strncpy_from_user+0x146/0x270
[ 79.471087][ T5830] ? getname_flags+0x1e3/0x540
[ 79.475944][ T5830] __x64_sys_rename+0x82/0x90
[ 79.480761][ T5830] do_syscall_64+0xf3/0x230
[ 79.485333][ T5830] ? clear_bhb_loop+0x35/0x90
[ 79.490112][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.496048][ T5830] RIP: 0033:0x7f09a7819b59
[ 79.500542][ T5830] 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
[ 79.520219][ T5830] RSP: 002b:00007fff6092b7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 79.528720][ T5830] RAX: ffffffffffffffda RBX: 00002000000003c0 RCX: 00007f09a7819b59
[ 79.536800][ T5830] RDX: ffffffffffffffb8 RSI: 00002000000003c0 RDI: 0000200000000440
[ 79.544789][ T5830] RBP: 0031656c69662f2e R08: 000055555ebf44c0 R09: 000055555ebf44c0
[ 79.552870][ T5830] R10: 000055555ebf44c0 R11: 0000000000000246 R12: 0000200000000440
[ 79.560912][ T5830] R13: 00007fff6092b9f8 R14: 0000200000000444 R15: 00007f09a786203b
[ 79.568976][ T5830]
[ 79.572033][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 79.579692][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor265 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[ 79.590807][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 79.600894][ T5830] Call Trace:
[ 79.604191][ T5830]
[ 79.607145][ T5830] dump_stack_lvl+0x241/0x360
[ 79.612004][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.617206][ T5830] ? __pfx__printk+0x10/0x10
[ 79.621839][ T5830] ? vscnprintf+0x5d/0x90
[ 79.626179][ T5830] panic+0x349/0x880
[ 79.630092][ T5830] ? __warn+0x174/0x4d0
[ 79.634272][ T5830] ? __pfx_panic+0x10/0x10
[ 79.638721][ T5830] __warn+0x344/0x4d0
[ 79.642719][ T5830] ? drop_nlink+0xc4/0x110
[ 79.647149][ T5830] report_bug+0x2b3/0x500
[ 79.651494][ T5830] ? drop_nlink+0xc4/0x110
[ 79.655923][ T5830] handle_bug+0x60/0x90
[ 79.660258][ T5830] exc_invalid_op+0x1a/0x50
[ 79.664776][ T5830] asm_exc_invalid_op+0x1a/0x20
[ 79.669643][ T5830] RIP: 0010:drop_nlink+0xc4/0x110
[ 79.674675][ T5830] Code: bb 70 07 00 00 be 08 00 00 00 e8 d7 b8 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d fd 81 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 79.694289][ T5830] RSP: 0018:ffffc9000402f8f0 EFLAGS: 00010293
[ 79.700370][ T5830] RAX: ffffffff823fe283 RBX: 1ffff1100df8a477 RCX: ffff88806ed49e00
[ 79.708354][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 79.716336][ T5830] RBP: 0000000000000000 R08: ffffffff823fe203 R09: 1ffff92000805e80
[ 79.724317][ T5830] R10: dffffc0000000000 R11: fffff52000805e81 R12: ffff88806fc523b8
[ 79.732354][ T5830] R13: ffff88807dee31f8 R14: ffff88806fc52370 R15: dffffc0000000000
[ 79.740455][ T5830] ? drop_nlink+0x43/0x110
[ 79.744924][ T5830] ? drop_nlink+0xc3/0x110
[ 79.749361][ T5830] hfsplus_unlink+0x3fe/0x790
[ 79.754056][ T5830] ? __pfx___might_resched+0x10/0x10
[ 79.759371][ T5830] ? __pfx_hfsplus_unlink+0x10/0x10
[ 79.764587][ T5830] ? do_raw_spin_lock+0x14f/0x370
[ 79.769628][ T5830] ? down_write_nested+0x195/0x220
[ 79.774748][ T5830] ? __pfx_down_write_nested+0x10/0x10
[ 79.780223][ T5830] ? do_raw_spin_unlock+0x13c/0x8b0
[ 79.785435][ T5830] hfsplus_rename+0xc8/0x1c0
[ 79.790042][ T5830] ? __pfx_hfsplus_rename+0x10/0x10
[ 79.795266][ T5830] vfs_rename+0xbdb/0xf00
[ 79.799632][ T5830] ? __pfx_vfs_rename+0x10/0x10
[ 79.804505][ T5830] ? bpf_lsm_path_rename+0x9/0x10
[ 79.809548][ T5830] do_renameat2+0xd94/0x13f0
[ 79.814283][ T5830] ? __pfx_do_renameat2+0x10/0x10
[ 79.819347][ T5830] ? __virt_addr_valid+0x183/0x530
[ 79.824476][ T5830] ? __virt_addr_valid+0x45f/0x530
[ 79.829865][ T5830] ? __phys_addr_symbol+0x2f/0x70
[ 79.835004][ T5830] ? strncpy_from_user+0x146/0x270
[ 79.840136][ T5830] ? getname_flags+0x1e3/0x540
[ 79.844913][ T5830] __x64_sys_rename+0x82/0x90
[ 79.849608][ T5830] do_syscall_64+0xf3/0x230
[ 79.854265][ T5830] ? clear_bhb_loop+0x35/0x90
[ 79.858977][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.864972][ T5830] RIP: 0033:0x7f09a7819b59
[ 79.869421][ T5830] 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
[ 79.889224][ T5830] RSP: 002b:00007fff6092b7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 79.897656][ T5830] RAX: ffffffffffffffda RBX: 00002000000003c0 RCX: 00007f09a7819b59
[ 79.905635][ T5830] RDX: ffffffffffffffb8 RSI: 00002000000003c0 RDI: 0000200000000440
[ 79.913703][ T5830] RBP: 0031656c69662f2e R08: 000055555ebf44c0 R09: 000055555ebf44c0
[ 79.921679][ T5830] R10: 000055555ebf44c0 R11: 0000000000000246 R12: 0000200000000440
[ 79.929783][ T5830] R13: 00007fff6092b9f8 R14: 0000200000000444 R15: 00007f09a786203b
[ 79.937962][ T5830]
[ 79.941302][ T5830] Kernel Offset: disabled
[ 79.945684][ T5830] Rebooting in 86400 seconds..