./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor59345995 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("./syz-executor59345995", ["./syz-executor59345995"], 0x7ffe4ec923d0 /* 10 vars */) = 0 brk(NULL) = 0x55558a1b1000 brk(0x55558a1b1d00) = 0x55558a1b1d00 arch_prctl(ARCH_SET_FS, 0x55558a1b1380) = 0 set_tid_address(0x55558a1b1650) = 5831 set_robust_list(0x55558a1b1660, 24) = 0 rseq(0x55558a1b1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor59345995", 4096) = 26 getrandom("\x85\x76\xe2\x45\x91\x79\x96\xe4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a1b1d00 brk(0x55558a1d2d00) = 0x55558a1d2d00 brk(0x55558a1d3000) = 0x55558a1d3000 mprotect(0x7fb1946fc000, 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 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 5832 attached [pid 5832] set_robust_list(0x55558a1b1660, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55558a1b1650) = 5832 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] setpgid(0, 0) = 0 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1000", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] write(1, "executing program\n", 18executing program ) = 18 [pid 5832] memfd_create("syzkaller", 0) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb18c200000 [pid 5832] 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 5832] munmap(0x7fb18c200000, 138412032) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5832] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5832] close(3) = 0 [pid 5832] close(4) = 0 [pid 5832] mkdir("./file0", 0777) = 0 [pid 5832] mount("/dev/loop0", "./file0", "hfsplus", 0, "") = 0 [pid 5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] chdir("./file0") = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "./file0", O_RDONLY) = 4 [ 92.862910][ T5832] loop0: detected capacity change from 0 to 1024 [ 92.923174][ T5832] ------------[ cut here ]------------ [ 92.928870][ T5832] kernel BUG at fs/hfsplus/xattr.c:175! [ 92.935076][ T5832] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 92.942219][ T5832] CPU: 0 UID: 0 PID: 5832 Comm: syz-executor593 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 [ 92.953018][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 92.963123][ T5832] RIP: 0010:__hfsplus_setxattr+0x1fb4/0x2180 [ 92.969197][ T5832] Code: ff 4c 8b 54 24 50 4c 8b 44 24 48 e9 84 eb ff ff e8 e1 7c 85 ff 4c 8b 54 24 50 4c 8b 44 24 48 e9 4e eb ff ff e8 3d 42 23 ff 90 <0f> 0b 48 8b 7c 24 40 e8 c0 7c 85 ff 4c 8b 54 24 50 4c 8b 44 24 48 [ 92.988831][ T5832] RSP: 0018:ffffc90003667540 EFLAGS: 00010293 [ 92.994935][ T5832] RAX: 0000000000000000 RBX: 0000000000010000 RCX: ffffffff829656c2 [ 93.002942][ T5832] RDX: ffff888077a95a00 RSI: ffffffff82966bc3 RDI: 0000000000000007 [ 93.011049][ T5832] RBP: ffffed1004cece07 R08: ffff888035744000 R09: 0000000000000000 [ 93.019061][ T5832] R10: ffff888026767030 R11: ffffffff9626b700 R12: 0000000000000003 [ 93.027137][ T5832] R13: ffff888026767000 R14: 1ffff920006cceba R15: ffffc90003667600 [ 93.035210][ T5832] FS: 000055558a1b1380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 93.044164][ T5832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.050761][ T5832] CR2: 00007fb1947000f8 CR3: 000000007ad6c000 CR4: 0000000000350ef0 [ 93.058742][ T5832] Call Trace: [ 93.062019][ T5832] [ 93.064951][ T5832] ? die+0x31/0x80 [ 93.068708][ T5832] ? do_trap+0x232/0x430 [ 93.072968][ T5832] ? __hfsplus_setxattr+0x1fb4/0x2180 [ 93.078375][ T5832] ? __hfsplus_setxattr+0x1fb4/0x2180 [ 93.083774][ T5832] ? do_error_trap+0xf4/0x230 [ 93.088581][ T5832] ? __hfsplus_setxattr+0x1fb4/0x2180 [ 93.094015][ T5832] ? handle_invalid_op+0x34/0x40 [ 93.098989][ T5832] ? __hfsplus_setxattr+0x1fb4/0x2180 [ 93.104390][ T5832] ? exc_invalid_op+0x2e/0x50 [ 93.109110][ T5832] ? asm_exc_invalid_op+0x1a/0x20 [ 93.114176][ T5832] ? __hfsplus_setxattr+0xab2/0x2180 [ 93.119494][ T5832] ? __hfsplus_setxattr+0x1fb3/0x2180 [ 93.124913][ T5832] ? __hfsplus_setxattr+0x1fb4/0x2180 [ 93.130377][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.136233][ T5832] ? lock_acquire.part.0+0x11b/0x380 [ 93.141572][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.147260][ T5832] ? __pfx___hfsplus_setxattr+0x10/0x10 [ 93.152876][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.158613][ T5832] ? mark_held_locks+0x9f/0xe0 [ 93.163423][ T5832] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 93.169311][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.175098][ T5832] ? lockdep_hardirqs_on+0x7c/0x110 [ 93.180355][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.186029][ T5832] hfsplus_setxattr+0x10c/0x180 [ 93.191011][ T5832] ? __pfx_hfsplus_trusted_setxattr+0x10/0x10 [ 93.197288][ T5832] __vfs_setxattr+0x176/0x1e0 [ 93.202000][ T5832] ? __pfx___vfs_setxattr+0x10/0x10 [ 93.207259][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.212948][ T5832] ? apparmor_capable+0x114/0x1d0 [ 93.218044][ T5832] __vfs_setxattr_noperm+0x127/0x660 [ 93.223369][ T5832] __vfs_setxattr_locked+0x182/0x260 [ 93.228705][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.234394][ T5832] vfs_setxattr+0x146/0x360 [ 93.238939][ T5832] ? __pfx_lock_release+0x10/0x10 [ 93.244042][ T5832] ? __pfx_vfs_setxattr+0x10/0x10 [ 93.249140][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.254865][ T5832] ? mnt_get_write_access+0x6a/0x300 [ 93.260178][ T5832] ? mnt_get_write_access+0x6a/0x300 [ 93.265511][ T5832] do_setxattr+0x142/0x170 [ 93.269962][ T5832] file_setxattr+0x139/0x1b0 [ 93.274583][ T5832] ? fdget+0x176/0x210 [ 93.278685][ T5832] path_setxattrat+0x233/0x290 [ 93.283476][ T5832] ? __pfx_path_setxattrat+0x10/0x10 [ 93.288795][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.294470][ T5832] ? rcu_is_watching+0x12/0xc0 [ 93.299258][ T5832] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 93.304671][ T5832] ? lock_acquire+0x2f/0xb0 [ 93.309230][ T5832] ? _raw_spin_unlock_irq+0x23/0x50 [ 93.314498][ T5832] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.320185][ T5832] __x64_sys_fsetxattr+0xc5/0x140 [ 93.325423][ T5832] ? syscall_trace_enter+0xab/0x260 [ 93.330663][ T5832] do_syscall_64+0xcd/0x250 [ 93.335191][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.341123][ T5832] RIP: 0033:0x7fb194688ad9 [ 93.345546][ T5832] 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 [ 93.365363][ T5832] RSP: 002b:00007ffece958748 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 93.373783][ T5832] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb194688ad9 [ 93.381844][ T5832] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 93.389819][ T5832] RBP: 00007fb1946fc5f0 R08: 0000000000000001 R09: 000055558a1b24c0 [ 93.397800][ T5832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffece958770 [ 93.405786][ T5832] R13: 00007ffece958998 R14: 431bde82d7b634db R15: 00007fb1946d103b [ 93.413777][ T5832] [ 93.416798][ T5832] Modules linked in: [ 93.421095][ T5832] ---[ end trace 0000000000000000 ]--- [ 93.427172][ T5832] RIP: 0010:__hfsplus_setxattr+0x1fb4/0x2180 [ 93.433463][ T5832] Code: ff 4c 8b 54 24 50 4c 8b 44 24 48 e9 84 eb ff ff e8 e1 7c 85 ff 4c 8b 54 24 50 4c 8b 44 24 48 e9 4e eb ff ff e8 3d 42 23 ff 90 <0f> 0b 48 8b 7c 24 40 e8 c0 7c 85 ff 4c 8b 54 24 50 4c 8b 44 24 48 [ 93.453556][ T5832] RSP: 0018:ffffc90003667540 EFLAGS: 00010293 [ 93.459705][ T5832] RAX: 0000000000000000 RBX: 0000000000010000 RCX: ffffffff829656c2 [ 93.467820][ T5832] RDX: ffff888077a95a00 RSI: ffffffff82966bc3 RDI: 0000000000000007 [ 93.475814][ T5832] RBP: ffffed1004cece07 R08: ffff888035744000 R09: 0000000000000000 [ 93.483905][ T5832] R10: ffff888026767030 R11: ffffffff9626b700 R12: 0000000000000003 [ 93.491967][ T5832] R13: ffff888026767000 R14: 1ffff920006cceba R15: ffffc90003667600 [ 93.500010][ T5832] FS: 000055558a1b1380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 93.509027][ T5832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.515621][ T5832] CR2: 00007fb1947000f8 CR3: 000000007ad6c000 CR4: 0000000000350ef0 [ 93.523687][ T5832] Kernel panic - not syncing: Fatal exception [ 93.530356][ T5832] Kernel Offset: disabled [ 93.534689][ T5832] Rebooting in 86400 seconds..