./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1539852521 <...> Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts. execve("./syz-executor1539852521", ["./syz-executor1539852521"], 0x7ffe6a81d860 /* 10 vars */) = 0 brk(NULL) = 0x55555579c000 brk(0x55555579cd00) = 0x55555579cd00 arch_prctl(ARCH_SET_FS, 0x55555579c380) = 0 set_tid_address(0x55555579c650) = 5074 set_robust_list(0x55555579c660, 24) = 0 rseq(0x55555579cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1539852521", 4096) = 28 getrandom("\x31\x7f\x21\x2f\x2a\xf4\x7d\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555579cd00 brk(0x5555557bdd00) = 0x5555557bdd00 brk(0x5555557be000) = 0x5555557be000 mprotect(0x7fb749469000, 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 5075 attached , child_tidptr=0x55555579c650) = 5075 [pid 5075] set_robust_list(0x55555579c660, 24) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb740e00000 [pid 5075] 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 5075] munmap(0x7fb740e00000, 138412032) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5075] close(3) = 0 [pid 5075] close(4) = 0 [pid 5075] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5075] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "") = 0 [pid 5075] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5075] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 108.737143][ T5075] loop0: detected capacity change from 0 to 1024 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 108.805761][ T5075] hfsplus: new node 0 already hashed? [ 108.811779][ T5075] ------------[ cut here ]------------ [ 108.817963][ T5075] WARNING: CPU: 1 PID: 5075 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x14c/0x530 [ 108.827763][ T5075] Modules linked in: [ 108.831696][ T5075] CPU: 1 PID: 5075 Comm: syz-executor153 Not tainted 6.8.0-rc4-syzkaller-00267-g0f1dd5e91e2b #0 [ 108.842201][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 108.852331][ T5075] RIP: 0010:hfsplus_bnode_create+0x14c/0x530 [ 108.858426][ T5075] Code: 37 25 ff 45 39 fc 75 9e e8 41 3d 25 ff 4c 89 f7 e8 e9 cf 60 08 e8 34 3d 25 ff 44 89 e6 48 c7 c7 40 89 28 8b e8 b5 27 07 ff 90 <0f> 0b 90 e8 1c 3d 25 ff 48 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41 [ 108.878194][ T5075] RSP: 0018:ffffc900043f7510 EFLAGS: 00010286 [ 108.884286][ T5075] RAX: 0000000000000023 RBX: ffff88801aa85220 RCX: ffffffff816e74a9 [ 108.892353][ T5075] RDX: 0000000000000000 RSI: ffffffff816efd26 RDI: 0000000000000005 [ 108.900455][ T5075] RBP: ffff888022f14000 R08: 0000000000000005 R09: 0000000000000000 [ 108.908602][ T5075] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 [ 108.916708][ T5075] R13: dffffc0000000000 R14: ffff888022f140e0 R15: 0000000000000000 [ 108.924789][ T5075] FS: 000055555579c380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 108.933777][ T5075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.940484][ T5075] CR2: 000055d6ab1da420 CR3: 0000000077d88000 CR4: 0000000000350ef0 [ 108.948525][ T5075] Call Trace: [ 108.951820][ T5075] [ 108.954822][ T5075] ? show_regs+0x8f/0xa0 [ 108.959149][ T5075] ? __warn+0xe6/0x390 [ 108.963245][ T5075] ? hfsplus_bnode_create+0x14c/0x530 [ 108.968745][ T5075] ? report_bug+0x3c0/0x580 [ 108.973354][ T5075] ? handle_bug+0x3d/0x70 [ 108.978096][ T5075] ? exc_invalid_op+0x17/0x50 [ 108.982846][ T5075] ? asm_exc_invalid_op+0x1a/0x20 [ 108.988005][ T5075] ? __wake_up_klogd.part.0+0x99/0xf0 [ 108.993431][ T5075] ? vprintk+0x86/0xa0 [ 108.997581][ T5075] ? hfsplus_bnode_create+0x14c/0x530 [ 109.003026][ T5075] hfsplus_bmap_alloc+0x72c/0x830 [ 109.008160][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.013087][ T5075] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 109.018719][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.023636][ T5075] ? hfsplus_bnode_read_u16+0x7e/0xb0 [ 109.029129][ T5075] ? __pfx_hfsplus_bnode_read_u16+0x10/0x10 [ 109.035167][ T5075] hfs_bnode_split+0xe5/0xdd0 [ 109.039931][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.044904][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.049836][ T5075] ? hfsplus_bnode_read+0x10a/0x250 [ 109.055152][ T5075] ? __pfx_hfs_bnode_split+0x10/0x10 [ 109.060511][ T5075] ? cpu_latency_qos_write+0x1d/0x180 [ 109.066015][ T5075] hfsplus_brec_insert+0x2f7/0xc50 [ 109.071215][ T5075] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 109.076939][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.081856][ T5075] ? hfsplus_bmap_reserve+0x336/0x410 [ 109.087351][ T5075] hfsplus_create_cat+0xc6b/0x10d0 [ 109.092542][ T5075] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 109.098177][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.103121][ T5075] ? hlock_class+0x4e/0x130 [ 109.107788][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.112718][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.118725][ T5075] ? put_dec_trunc8+0x28b/0x370 [ 109.123702][ T5075] ? sprintf+0xcd/0x110 [ 109.127974][ T5075] ? __pfx_sprintf+0x10/0x10 [ 109.132663][ T5075] hfsplus_link+0x514/0x770 [ 109.137294][ T5075] ? __pfx_hfsplus_link+0x10/0x10 [ 109.142382][ T5075] ? __pfx_lock_acquire+0x10/0x10 [ 109.147528][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.152470][ T5075] ? __pfx___might_resched+0x10/0x10 [ 109.157858][ T5075] vfs_link+0x844/0xdf0 [ 109.162096][ T5075] do_linkat+0x553/0x600 [ 109.166467][ T5075] ? __pfx_do_linkat+0x10/0x10 [ 109.171339][ T5075] ? strncpy_from_user+0x214/0x300 [ 109.176577][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.181536][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.186521][ T5075] __x64_sys_link+0x81/0xa0 [ 109.191107][ T5075] do_syscall_64+0xd8/0x270 [ 109.195708][ T5075] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 109.201677][ T5075] RIP: 0033:0x7fb7493f5a59 [ 109.206177][ T5075] 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 [ 109.225908][ T5075] RSP: 002b:00007ffd35146158 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 109.234351][ T5075] RAX: ffffffffffffffda RBX: 00007fb74943e0c0 RCX: 00007fb7493f5a59 [ 109.242399][ T5075] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000200002c0 [ 109.250477][ T5075] RBP: 00007fb7494695f0 R08: 000000000000063a R09: 000055555579d4c0 [ 109.258513][ T5075] R10: 00007ffd35146020 R11: 0000000000000246 R12: 00007ffd35146180 [ 109.266576][ T5075] R13: 00007ffd351463a8 R14: 431bde82d7b634db R15: 00007fb74943e03b [ 109.274588][ T5075] [ 109.277671][ T5075] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 109.284997][ T5075] CPU: 1 PID: 5075 Comm: syz-executor153 Not tainted 6.8.0-rc4-syzkaller-00267-g0f1dd5e91e2b #0 [ 109.295451][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 109.305536][ T5075] Call Trace: [ 109.308833][ T5075] [ 109.311783][ T5075] dump_stack_lvl+0xd9/0x1b0 [ 109.316425][ T5075] panic+0x6ee/0x7a0 [ 109.320355][ T5075] ? __pfx_panic+0x10/0x10 [ 109.324805][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.329708][ T5075] ? show_trace_log_lvl+0x363/0x500 [ 109.334980][ T5075] ? check_panic_on_warn+0x1f/0xb0 [ 109.340130][ T5075] ? hfsplus_bnode_create+0x14c/0x530 [ 109.345545][ T5075] check_panic_on_warn+0xab/0xb0 [ 109.350522][ T5075] __warn+0xf2/0x390 [ 109.354449][ T5075] ? hfsplus_bnode_create+0x14c/0x530 [ 109.359866][ T5075] report_bug+0x3c0/0x580 [ 109.364244][ T5075] handle_bug+0x3d/0x70 [ 109.368433][ T5075] exc_invalid_op+0x17/0x50 [ 109.372970][ T5075] asm_exc_invalid_op+0x1a/0x20 [ 109.377866][ T5075] RIP: 0010:hfsplus_bnode_create+0x14c/0x530 [ 109.383893][ T5075] Code: 37 25 ff 45 39 fc 75 9e e8 41 3d 25 ff 4c 89 f7 e8 e9 cf 60 08 e8 34 3d 25 ff 44 89 e6 48 c7 c7 40 89 28 8b e8 b5 27 07 ff 90 <0f> 0b 90 e8 1c 3d 25 ff 48 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41 [ 109.403533][ T5075] RSP: 0018:ffffc900043f7510 EFLAGS: 00010286 [ 109.409631][ T5075] RAX: 0000000000000023 RBX: ffff88801aa85220 RCX: ffffffff816e74a9 [ 109.417625][ T5075] RDX: 0000000000000000 RSI: ffffffff816efd26 RDI: 0000000000000005 [ 109.425619][ T5075] RBP: ffff888022f14000 R08: 0000000000000005 R09: 0000000000000000 [ 109.433611][ T5075] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 [ 109.441605][ T5075] R13: dffffc0000000000 R14: ffff888022f140e0 R15: 0000000000000000 [ 109.449618][ T5075] ? __wake_up_klogd.part.0+0x99/0xf0 [ 109.455024][ T5075] ? vprintk+0x86/0xa0 [ 109.459151][ T5075] hfsplus_bmap_alloc+0x72c/0x830 [ 109.464223][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.469126][ T5075] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 109.474714][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.479628][ T5075] ? hfsplus_bnode_read_u16+0x7e/0xb0 [ 109.485038][ T5075] ? __pfx_hfsplus_bnode_read_u16+0x10/0x10 [ 109.490981][ T5075] hfs_bnode_split+0xe5/0xdd0 [ 109.495706][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.500612][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.505514][ T5075] ? hfsplus_bnode_read+0x10a/0x250 [ 109.510760][ T5075] ? __pfx_hfs_bnode_split+0x10/0x10 [ 109.516092][ T5075] ? cpu_latency_qos_write+0x1d/0x180 [ 109.521515][ T5075] hfsplus_brec_insert+0x2f7/0xc50 [ 109.526686][ T5075] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 109.532365][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.537268][ T5075] ? hfsplus_bmap_reserve+0x336/0x410 [ 109.542692][ T5075] hfsplus_create_cat+0xc6b/0x10d0 [ 109.547856][ T5075] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 109.553436][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.558338][ T5075] ? hlock_class+0x4e/0x130 [ 109.562890][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.567790][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.572692][ T5075] ? put_dec_trunc8+0x28b/0x370 [ 109.577654][ T5075] ? sprintf+0xcd/0x110 [ 109.581859][ T5075] ? __pfx_sprintf+0x10/0x10 [ 109.586519][ T5075] hfsplus_link+0x514/0x770 [ 109.591182][ T5075] ? __pfx_hfsplus_link+0x10/0x10 [ 109.596238][ T5075] ? __pfx_lock_acquire+0x10/0x10 [ 109.601318][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.606222][ T5075] ? __pfx___might_resched+0x10/0x10 [ 109.611560][ T5075] vfs_link+0x844/0xdf0 [ 109.615789][ T5075] do_linkat+0x553/0x600 [ 109.620177][ T5075] ? __pfx_do_linkat+0x10/0x10 [ 109.624976][ T5075] ? strncpy_from_user+0x214/0x300 [ 109.630138][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.635044][ T5075] ? srso_return_thunk+0x5/0x5f [ 109.640135][ T5075] __x64_sys_link+0x81/0xa0 [ 109.644678][ T5075] do_syscall_64+0xd8/0x270 [ 109.649221][ T5075] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 109.655172][ T5075] RIP: 0033:0x7fb7493f5a59 [ 109.659643][ T5075] 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 [ 109.679305][ T5075] RSP: 002b:00007ffd35146158 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 109.687797][ T5075] RAX: ffffffffffffffda RBX: 00007fb74943e0c0 RCX: 00007fb7493f5a59 [ 109.695811][ T5075] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000200002c0 [ 109.703807][ T5075] RBP: 00007fb7494695f0 R08: 000000000000063a R09: 000055555579d4c0 [ 109.711810][ T5075] R10: 00007ffd35146020 R11: 0000000000000246 R12: 00007ffd35146180 [ 109.719809][ T5075] R13: 00007ffd351463a8 R14: 431bde82d7b634db R15: 00007fb74943e03b [ 109.727834][ T5075] [ 109.731101][ T5075] Kernel Offset: disabled [ 109.735540][ T5075] Rebooting in 86400 seconds..