./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3096894000 <...> Warning: Permanently added '10.128.10.1' (ED25519) to the list of known hosts. execve("./syz-executor3096894000", ["./syz-executor3096894000"], 0x7fff5b3f4710 /* 10 vars */) = 0 brk(NULL) = 0x55556522d000 brk(0x55556522dd00) = 0x55556522dd00 arch_prctl(ARCH_SET_FS, 0x55556522d380) = 0 set_tid_address(0x55556522d650) = 5825 set_robust_list(0x55556522d660, 24) = 0 rseq(0x55556522dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3096894000", 4096) = 28 getrandom("\xc2\xb0\xf5\x84\x25\x7b\x17\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556522dd00 brk(0x55556524ed00) = 0x55556524ed00 brk(0x55556524f000) = 0x55556524f000 mprotect(0x7f1d69e16000, 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 5826 attached [pid 5826] set_robust_list(0x55556522d660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55556522d650) = 5826 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] setpgid(0, 0) = 0 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1000", 4) = 4 [pid 5826] close(3executing program ) = 0 [pid 5826] write(1, "executing program\n", 18) = 18 [pid 5826] memfd_create("syzkaller", 0) = 3 [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d61800000 [pid 5826] 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 5826] munmap(0x7f1d61800000, 138412032) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5826] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5826] close(3) = 0 [pid 5826] close(4) = 0 [pid 5826] mkdir("./file1", 0777) = 0 [pid 5826] mount("/dev/loop0", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_NODIRATIME|MS_SILENT|MS_STRICTATIME, "") = 0 [ 63.018669][ T5826] loop0: detected capacity change from 0 to 1024 [pid 5826] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5826] chdir("./file1") = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 63.096615][ T5826] ------------[ cut here ]------------ [ 63.102169][ T5826] kernel BUG at fs/hfsplus/xattr.c:175! [ 63.107846][ T5826] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.114796][ T5826] CPU: 1 UID: 0 PID: 5826 Comm: syz-executor309 Not tainted 6.14.0-rc3-syzkaller-00267-gff202c5028a1 #0 [ 63.125892][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 63.135940][ T5826] RIP: 0010:__hfsplus_setxattr+0x2309/0x2310 [ 63.141932][ T5826] Code: e8 5c 5b 5c 09 e8 67 98 1d ff 4c 89 ff 48 c7 c6 e0 07 41 8c e8 88 f1 65 ff 90 0f 0b e8 50 98 1d ff 90 0f 0b e8 48 98 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 [ 63.161526][ T5826] RSP: 0018:ffffc90003fa7760 EFLAGS: 00010293 [ 63.167579][ T5826] RAX: ffffffff82a421e8 RBX: 0000000000010000 RCX: ffff8880266f1e00 [ 63.175542][ T5826] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 63.183497][ T5826] RBP: ffffc90003fa7c00 R08: ffffffff82a408c3 R09: 1ffff1100fb2011e [ 63.191457][ T5826] R10: dffffc0000000000 R11: ffffed100fb2011f R12: ffff88807d9001b0 [ 63.199418][ T5826] R13: dffffc0000000000 R14: ffff88807d900870 R15: 0000000000000000 [ 63.207387][ T5826] FS: 000055556522d380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.216303][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.222892][ T5826] CR2: 0000563dbb2004b8 CR3: 000000002faa6000 CR4: 00000000003526f0 [ 63.230855][ T5826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.238813][ T5826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.246768][ T5826] Call Trace: [ 63.250035][ T5826] [ 63.252952][ T5826] ? __die_body+0x5f/0xb0 [ 63.257283][ T5826] ? die+0x9e/0xc0 [ 63.260993][ T5826] ? do_trap+0x15a/0x3a0 [ 63.265225][ T5826] ? __hfsplus_setxattr+0x2309/0x2310 [ 63.270585][ T5826] ? do_error_trap+0x1dc/0x2c0 [ 63.275335][ T5826] ? __hfsplus_setxattr+0x2309/0x2310 [ 63.280693][ T5826] ? __pfx_do_error_trap+0x10/0x10 [ 63.285803][ T5826] ? handle_invalid_op+0x34/0x40 [ 63.290723][ T5826] ? __hfsplus_setxattr+0x2309/0x2310 [ 63.296167][ T5826] ? exc_invalid_op+0x38/0x50 [ 63.300846][ T5826] ? asm_exc_invalid_op+0x1a/0x20 [ 63.305863][ T5826] ? __hfsplus_setxattr+0x9e3/0x2310 [ 63.311136][ T5826] ? __hfsplus_setxattr+0x2308/0x2310 [ 63.316497][ T5826] ? __hfsplus_setxattr+0x2309/0x2310 [ 63.321863][ T5826] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.328181][ T5826] ? __pfx___hfsplus_setxattr+0x10/0x10 [ 63.333711][ T5826] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.339591][ T5826] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 63.345909][ T5826] ? stack_depot_save_flags+0x7b4/0x940 [ 63.351458][ T5826] ? __kasan_kmalloc+0x98/0xb0 [ 63.356216][ T5826] ? hfsplus_initxattrs+0x130/0x270 [ 63.361402][ T5826] hfsplus_initxattrs+0x1af/0x270 [ 63.366426][ T5826] security_inode_init_security+0x29c/0x480 [ 63.372308][ T5826] ? __pfx_hfsplus_initxattrs+0x10/0x10 [ 63.377844][ T5826] ? __pfx_security_inode_init_security+0x10/0x10 [ 63.384244][ T5826] ? _raw_spin_unlock+0x28/0x50 [ 63.389088][ T5826] ? hfsplus_new_inode+0x635/0x830 [ 63.394190][ T5826] hfsplus_mknod+0x1c6/0x2a0 [ 63.398768][ T5826] vfs_mkdir+0x2f9/0x4f0 [ 63.403004][ T5826] do_mkdirat+0x264/0x3a0 [ 63.407322][ T5826] ? __check_object_size+0x47a/0x730 [ 63.412689][ T5826] ? __pfx_do_mkdirat+0x10/0x10 [ 63.417525][ T5826] ? strncpy_from_user+0x146/0x270 [ 63.422626][ T5826] ? getname_flags+0x1e3/0x540 [ 63.427382][ T5826] __x64_sys_mkdir+0x6c/0x80 [ 63.431960][ T5826] do_syscall_64+0xf3/0x230 [ 63.436451][ T5826] ? clear_bhb_loop+0x35/0x90 [ 63.441119][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.447002][ T5826] RIP: 0033:0x7f1d69da1b17 [ 63.451411][ T5826] Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.471003][ T5826] RSP: 002b:00007ffeb85d49e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 63.479411][ T5826] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d69da1b17 [ 63.487367][ T5826] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000400000000e80 [ 63.495354][ T5826] RBP: 0000400000000e80 R08: 0000000000000000 R09: 0000000000000000 [ 63.503311][ T5826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.511264][ T5826] R13: 00007ffeb85d4a80 R14: 0000000000000000 R15: 0000000000000000 [ 63.519222][ T5826] [ 63.522223][ T5826] Modules linked in: [ 63.526297][ T5826] ---[ end trace 0000000000000000 ]--- [ 63.531992][ T5826] RIP: 0010:__hfsplus_setxattr+0x2309/0x2310 [ 63.538104][ T5826] Code: e8 5c 5b 5c 09 e8 67 98 1d ff 4c 89 ff 48 c7 c6 e0 07 41 8c e8 88 f1 65 ff 90 0f 0b e8 50 98 1d ff 90 0f 0b e8 48 98 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 [ 63.557875][ T5826] RSP: 0018:ffffc90003fa7760 EFLAGS: 00010293 [ 63.563968][ T5826] RAX: ffffffff82a421e8 RBX: 0000000000010000 RCX: ffff8880266f1e00 [ 63.571994][ T5826] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 63.580013][ T5826] RBP: ffffc90003fa7c00 R08: ffffffff82a408c3 R09: 1ffff1100fb2011e [ 63.588042][ T5826] R10: dffffc0000000000 R11: ffffed100fb2011f R12: ffff88807d9001b0 [ 63.596054][ T5826] R13: dffffc0000000000 R14: ffff88807d900870 R15: 0000000000000000 [ 63.604014][ T5826] FS: 000055556522d380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.612966][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.619620][ T5826] CR2: 0000400000002600 CR3: 000000002faa6000 CR4: 00000000003526f0 [ 63.627690][ T5826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.635734][ T5826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.643731][ T5826] Kernel panic - not syncing: Fatal exception [ 63.650052][ T5826] Kernel Offset: disabled [ 63.654362][ T5826] Rebooting in 86400 seconds..