./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2535021622 <...> Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts. execve("./syz-executor2535021622", ["./syz-executor2535021622"], 0x7ffc655b5290 /* 10 vars */) = 0 brk(NULL) = 0x55557cc25000 brk(0x55557cc25d00) = 0x55557cc25d00 arch_prctl(ARCH_SET_FS, 0x55557cc25380) = 0 set_tid_address(0x55557cc25650) = 5822 set_robust_list(0x55557cc25660, 24) = 0 rseq(0x55557cc25ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2535021622", 4096) = 28 getrandom("\xe3\xa7\xe4\x72\x4a\xe2\x2d\x28", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cc25d00 brk(0x55557cc46d00) = 0x55557cc46d00 brk(0x55557cc47000) = 0x55557cc47000 mprotect(0x7f65df86a000, 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 5824 attached , child_tidptr=0x55557cc25650) = 5824 [pid 5824] set_robust_list(0x55557cc25660, 24) = 0 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5824] setpgid(0, 0) = 0 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5824] write(3, "1000", 4) = 4 [pid 5824] close(3) = 0 executing program [pid 5824] write(1, "executing program\n", 18) = 18 [pid 5824] memfd_create("syzkaller", 0) = 3 [pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f65d7200000 [pid 5824] 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 5824] munmap(0x7f65d7200000, 138412032) = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5824] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5824] close(3) = 0 [pid 5824] close(4) = 0 [pid 5824] mkdir("./file1", 0777) = 0 [pid 5824] mount("/dev/loop0", "./file1", "hfsplus", MS_SILENT|MS_STRICTATIME, "") = 0 [pid 5824] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5824] chdir("./file1") = 0 [ 62.291084][ T5824] loop0: detected capacity change from 0 to 1024 [pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 62.358637][ T5824] ------------[ cut here ]------------ [ 62.364757][ T5824] kernel BUG at fs/hfsplus/xattr.c:175! [ 62.370333][ T5824] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.377262][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor253 Not tainted 6.14.0-rc6-syzkaller-00003-g4d872d51bc9d #0 [ 62.388347][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 62.398395][ T5824] RIP: 0010:__hfsplus_setxattr+0x2309/0x2310 [ 62.404406][ T5824] Code: e8 5c a1 5c 09 e8 e7 82 1d ff 4c 89 ff 48 c7 c6 e0 18 41 8c e8 28 e2 65 ff 90 0f 0b e8 d0 82 1d ff 90 0f 0b e8 c8 82 1d ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 62.423998][ T5824] RSP: 0018:ffffc90003f9f760 EFLAGS: 00010293 [ 62.430062][ T5824] RAX: ffffffff82a45be8 RBX: 0000000000010000 RCX: ffff88807c3f0000 [ 62.438032][ T5824] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 62.445986][ T5824] RBP: ffffc90003f9fc00 R08: ffffffff82a442c3 R09: 1ffff110067ce47e [ 62.453963][ T5824] R10: dffffc0000000000 R11: ffffed10067ce47f R12: ffff888033e71cb0 [ 62.461916][ T5824] R13: dffffc0000000000 R14: ffff888033e72370 R15: 0000000000000000 [ 62.469865][ T5824] FS: 000055557cc25380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.478780][ T5824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.485376][ T5824] CR2: 0000400000002bc0 CR3: 00000000754fc000 CR4: 00000000003526f0 [ 62.493336][ T5824] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.501291][ T5824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.509258][ T5824] Call Trace: [ 62.512538][ T5824] [ 62.515456][ T5824] ? __die_body+0x5f/0xb0 [ 62.519774][ T5824] ? die+0x9e/0xc0 [ 62.523507][ T5824] ? do_trap+0x15a/0x3a0 [ 62.527730][ T5824] ? __hfsplus_setxattr+0x2309/0x2310 [ 62.533093][ T5824] ? do_error_trap+0x1dc/0x2c0 [ 62.537840][ T5824] ? __hfsplus_setxattr+0x2309/0x2310 [ 62.543199][ T5824] ? __pfx_do_error_trap+0x10/0x10 [ 62.548291][ T5824] ? handle_invalid_op+0x34/0x40 [ 62.553212][ T5824] ? __hfsplus_setxattr+0x2309/0x2310 [ 62.558567][ T5824] ? exc_invalid_op+0x38/0x50 [ 62.563236][ T5824] ? asm_exc_invalid_op+0x1a/0x20 [ 62.568246][ T5824] ? __hfsplus_setxattr+0x9e3/0x2310 [ 62.573516][ T5824] ? __hfsplus_setxattr+0x2308/0x2310 [ 62.578871][ T5824] ? __hfsplus_setxattr+0x2309/0x2310 [ 62.584226][ T5824] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.590533][ T5824] ? __pfx___hfsplus_setxattr+0x10/0x10 [ 62.596056][ T5824] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 62.601939][ T5824] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 62.608254][ T5824] ? stack_depot_save_flags+0x7b4/0x940 [ 62.613794][ T5824] ? __kasan_kmalloc+0x98/0xb0 [ 62.618538][ T5824] ? hfsplus_initxattrs+0x130/0x270 [ 62.623719][ T5824] hfsplus_initxattrs+0x1af/0x270 [ 62.628734][ T5824] security_inode_init_security+0x29c/0x480 [ 62.634612][ T5824] ? __pfx_hfsplus_initxattrs+0x10/0x10 [ 62.640141][ T5824] ? __pfx_security_inode_init_security+0x10/0x10 [ 62.646536][ T5824] ? _raw_spin_unlock+0x28/0x50 [ 62.651369][ T5824] ? hfsplus_new_inode+0x635/0x830 [ 62.656465][ T5824] hfsplus_mknod+0x1c6/0x2a0 [ 62.661038][ T5824] vfs_mkdir+0x2f9/0x4f0 [ 62.665295][ T5824] do_mkdirat+0x264/0x3a0 [ 62.669621][ T5824] ? __check_object_size+0x47a/0x730 [ 62.674901][ T5824] ? __pfx_do_mkdirat+0x10/0x10 [ 62.679736][ T5824] ? strncpy_from_user+0x146/0x270 [ 62.684834][ T5824] ? getname_flags+0x1e3/0x540 [ 62.689612][ T5824] __x64_sys_mkdir+0x6c/0x80 [ 62.694199][ T5824] do_syscall_64+0xf3/0x230 [ 62.698690][ T5824] ? clear_bhb_loop+0x35/0x90 [ 62.703351][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.709228][ T5824] RIP: 0033:0x7f65df7f6ad9 [ 62.713632][ T5824] 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 [ 62.733235][ T5824] RSP: 002b:00007ffc4a45aa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.741635][ T5824] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65df7f6ad9 [ 62.749592][ T5824] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000400000002bc0 [ 62.757563][ T5824] RBP: 00007f65df86a5f0 R08: 00000000000005e1 R09: 000055557cc264c0 [ 62.765518][ T5824] R10: 00007ffc4a45a950 R11: 0000000000000246 R12: 00007ffc4a45aab0 [ 62.773468][ T5824] R13: 00007ffc4a45acd8 R14: 431bde82d7b634db R15: 00007f65df83f03b [ 62.781424][ T5824] [ 62.784426][ T5824] Modules linked in: [ 62.788372][ T5824] ---[ end trace 0000000000000000 ]--- [ 62.793875][ T5824] RIP: 0010:__hfsplus_setxattr+0x2309/0x2310 [ 62.799871][ T5824] Code: e8 5c a1 5c 09 e8 e7 82 1d ff 4c 89 ff 48 c7 c6 e0 18 41 8c e8 28 e2 65 ff 90 0f 0b e8 d0 82 1d ff 90 0f 0b e8 c8 82 1d ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 62.819551][ T5824] RSP: 0018:ffffc90003f9f760 EFLAGS: 00010293 [ 62.825666][ T5824] RAX: ffffffff82a45be8 RBX: 0000000000010000 RCX: ffff88807c3f0000 [ 62.833671][ T5824] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 62.841679][ T5824] RBP: ffffc90003f9fc00 R08: ffffffff82a442c3 R09: 1ffff110067ce47e [ 62.849702][ T5824] R10: dffffc0000000000 R11: ffffed10067ce47f R12: ffff888033e71cb0 [ 62.857702][ T5824] R13: dffffc0000000000 R14: ffff888033e72370 R15: 0000000000000000 [ 62.865715][ T5824] FS: 000055557cc25380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.874676][ T5824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.881245][ T5824] CR2: 0000400000002bc0 CR3: 00000000754fc000 CR4: 00000000003526f0 [ 62.889328][ T5824] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.897325][ T5824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.905361][ T5824] Kernel panic - not syncing: Fatal exception [ 62.911652][ T5824] Kernel Offset: disabled [ 62.915966][ T5824] Rebooting in 86400 seconds..