./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor455203895
<...>
Warning: Permanently added '10.128.1.109' (ED25519) to the list of known hosts.
execve("./syz-executor455203895", ["./syz-executor455203895"], 0x7ffcefa6ff40 /* 10 vars */) = 0
brk(NULL) = 0x55556b8cb000
brk(0x55556b8cbe00) = 0x55556b8cbe00
arch_prctl(ARCH_SET_FS, 0x55556b8cb480) = 0
set_tid_address(0x55556b8cb750) = 5933
set_robust_list(0x55556b8cb760, 24) = 0
rseq(0x55556b8cbda0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor455203895", 4096) = 27
getrandom("\x57\x3b\x5f\xab\xd3\x56\x51\x53", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556b8cbe00
brk(0x55556b8ece00) = 0x55556b8ece00
brk(0x55556b8ed000) = 0x55556b8ed000
mprotect(0x7f931e4e3000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f931e43bd20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f931e443ce0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f931e43bd20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f931e443ce0}, NULL, 8) = 0
executing program
write(1, "executing program\n", 18) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9316000000
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"..., 32768) = 32768
munmap(0x7f9316000000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file0", 0777) = 0
mount("/dev/loop0", "./file0", "hfs", 0, "codepage=koi8-r,part=0x0000000000000006,quiet,iocharset=cp857,uid=0x0000000000000000,") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[ 961.113304][ T5933] loop0: detected capacity change from 0 to 64
chdir("./file0") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
write(4, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 271) = 271
mmap(0x200000000000, 4194304, PROT_READ|PROT_EXEC|PROT_GROWSUP, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 4, 0) = 0x200000000000
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x200000000000} ---
[ 961.241850][ T5933] hfs: new node 0 already hashed?
[ 961.247203][ T5933] ------------[ cut here ]------------
[ 961.252725][ T5933] WARNING: CPU: 1 PID: 5933 at fs/hfs/bnode.c:428 hfs_bnode_create+0x3c2/0x450
[ 961.261767][ T5933] Modules linked in:
[ 961.265688][ T5933] CPU: 1 UID: 0 PID: 5933 Comm: syz-executor455 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full)
[ 961.276408][ T5933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 961.286532][ T5933] RIP: 0010:hfs_bnode_create+0x3c2/0x450
[ 961.292227][ T5933] Code: 81 8b 89 ee e8 8f b3 90 fe e9 6e fd ff ff e8 e5 13 29 ff 4c 89 ef e8 bd 2b c2 08 48 c7 c7 60 89 81 8b 89 ee e8 6f b3 90 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 75 fc ff ff
[ 961.311923][ T5933] RSP: 0018:ffffc900044a7798 EFLAGS: 00010246
[ 961.318014][ T5933] RAX: 000000000000001f RBX: ffff888079bd2000 RCX: c68c8f6405eac200
[ 961.326041][ T5933] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 961.334086][ T5933] RBP: 0000000000000000 R08: ffffc900044a7487 R09: 1ffff92000894e90
[ 961.342100][ T5933] R10: dffffc0000000000 R11: fffff52000894e91 R12: 0000000000000000
[ 961.350133][ T5933] R13: ffff888079bd20e0 R14: ffff888022693700 R15: dffffc0000000000
[ 961.358098][ T5933] FS: 000055556b8cb480(0000) GS:ffff8881261c2000(0000) knlGS:0000000000000000
[ 961.367074][ T5933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 961.373853][ T5933] CR2: 0000200000000000 CR3: 0000000072bb9000 CR4: 0000000000350ef0
[ 961.381879][ T5933] Call Trace:
[ 961.385161][ T5933]
[ 961.388084][ T5933] hfs_bmap_alloc+0x539/0x5c0
[ 961.392819][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.398473][ T5933] ? __pfx_hfs_bmap_alloc+0x10/0x10
[ 961.403699][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.409343][ T5933] ? __asan_memcpy+0x40/0x70
[ 961.413993][ T5933] ? hfs_bnode_read+0x158/0x300
[ 961.418872][ T5933] hfs_bnode_split+0xcc/0xef0
[ 961.423617][ T5933] ? hfs_bnode_read+0x28e/0x300
[ 961.428508][ T5933] ? hfs_bnode_read+0x158/0x300
[ 961.433441][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.439107][ T5933] ? __asan_memcpy+0x40/0x70
[ 961.443757][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.449435][ T5933] ? hfs_bnode_read+0x28e/0x300
[ 961.454373][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.460055][ T5933] ? hfs_bnode_read_u16+0x87/0xd0
[ 961.465100][ T5933] ? __pfx_hfs_bnode_split+0x10/0x10
[ 961.470458][ T5933] hfs_brec_insert+0x377/0xbd0
[ 961.475263][ T5933] ? __pfx_hfs_brec_insert+0x10/0x10
[ 961.480628][ T5933] hfs_cat_create+0x344/0x640
[ 961.485320][ T5933] ? __pfx_hfs_cat_create+0x10/0x10
[ 961.490597][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.496246][ T5933] ? _raw_spin_unlock+0x28/0x50
[ 961.501160][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.506805][ T5933] ? hfs_new_inode+0x7c9/0xba0
[ 961.511633][ T5933] hfs_mkdir+0x6c/0xe0
[ 961.515714][ T5933] vfs_mkdir+0x306/0x510
[ 961.520002][ T5933] do_mkdirat+0x247/0x590
[ 961.524344][ T5933] ? __pfx_do_mkdirat+0x10/0x10
[ 961.529187][ T5933] ? getname_flags+0x1e5/0x540
[ 961.534012][ T5933] __x64_sys_mkdirat+0x87/0xa0
[ 961.538816][ T5933] do_syscall_64+0xf6/0x210
[ 961.543367][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.549011][ T5933] ? exc_page_fault+0x91/0x110
[ 961.553859][ T5933] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 961.559814][ T5933] RIP: 0033:0x7f931e46ff79
[ 961.564249][ T5933] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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
[ 961.583920][ T5933] RSP: 002b:00007fffad067058 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 961.592400][ T5933] RAX: ffffffffffffffda RBX: 00656d69742e7166 RCX: 00007f931e46ff79
[ 961.600437][ T5933] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 00000000ffffff9c
[ 961.608414][ T5933] RBP: 00007fffad067068 R08: 00007fffad067068 R09: 00007f931e43bd20
[ 961.616433][ T5933] R10: 00007fffad067060 R11: 0000000000000246 R12: 0000000000000000
[ 961.624448][ T5933] R13: 00007fffad0672c8 R14: 0000000000000001 R15: 0000000000000001
[ 961.632483][ T5933]
[ 961.635506][ T5933] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 961.642772][ T5933] CPU: 1 UID: 0 PID: 5933 Comm: syz-executor455 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full)
[ 961.653446][ T5933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 961.663486][ T5933] Call Trace:
[ 961.666750][ T5933]
[ 961.669672][ T5933] dump_stack_lvl+0x99/0x250
[ 961.674260][ T5933] ? __asan_memcpy+0x40/0x70
[ 961.678838][ T5933] ? __pfx_dump_stack_lvl+0x10/0x10
[ 961.684031][ T5933] ? __pfx__printk+0x10/0x10
[ 961.688621][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.694247][ T5933] panic+0x2db/0x790
[ 961.698142][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.703768][ T5933] ? __pfx_panic+0x10/0x10
[ 961.708194][ T5933] __warn+0x31b/0x4b0
[ 961.712171][ T5933] ? hfs_bnode_create+0x3c2/0x450
[ 961.717191][ T5933] ? hfs_bnode_create+0x3c2/0x450
[ 961.722212][ T5933] report_bug+0x2be/0x4f0
[ 961.726534][ T5933] ? hfs_bnode_create+0x3c2/0x450
[ 961.731552][ T5933] ? hfs_bnode_create+0x3c2/0x450
[ 961.736571][ T5933] ? hfs_bnode_create+0x3c4/0x450
[ 961.741602][ T5933] handle_bug+0x84/0x160
[ 961.745857][ T5933] exc_invalid_op+0x1a/0x50
[ 961.750372][ T5933] asm_exc_invalid_op+0x1a/0x20
[ 961.755219][ T5933] RIP: 0010:hfs_bnode_create+0x3c2/0x450
[ 961.760859][ T5933] Code: 81 8b 89 ee e8 8f b3 90 fe e9 6e fd ff ff e8 e5 13 29 ff 4c 89 ef e8 bd 2b c2 08 48 c7 c7 60 89 81 8b 89 ee e8 6f b3 90 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 75 fc ff ff
[ 961.780463][ T5933] RSP: 0018:ffffc900044a7798 EFLAGS: 00010246
[ 961.786528][ T5933] RAX: 000000000000001f RBX: ffff888079bd2000 RCX: c68c8f6405eac200
[ 961.794495][ T5933] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 961.802458][ T5933] RBP: 0000000000000000 R08: ffffc900044a7487 R09: 1ffff92000894e90
[ 961.810422][ T5933] R10: dffffc0000000000 R11: fffff52000894e91 R12: 0000000000000000
[ 961.818383][ T5933] R13: ffff888079bd20e0 R14: ffff888022693700 R15: dffffc0000000000
[ 961.826365][ T5933] ? hfs_bnode_create+0x3c1/0x450
[ 961.831401][ T5933] hfs_bmap_alloc+0x539/0x5c0
[ 961.836073][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.841709][ T5933] ? __pfx_hfs_bmap_alloc+0x10/0x10
[ 961.846904][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.852533][ T5933] ? __asan_memcpy+0x40/0x70
[ 961.857119][ T5933] ? hfs_bnode_read+0x158/0x300
[ 961.861981][ T5933] hfs_bnode_split+0xcc/0xef0
[ 961.866693][ T5933] ? hfs_bnode_read+0x28e/0x300
[ 961.871571][ T5933] ? hfs_bnode_read+0x158/0x300
[ 961.876430][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.882063][ T5933] ? __asan_memcpy+0x40/0x70
[ 961.886652][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.892290][ T5933] ? hfs_bnode_read+0x28e/0x300
[ 961.897160][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.902880][ T5933] ? hfs_bnode_read_u16+0x87/0xd0
[ 961.907912][ T5933] ? __pfx_hfs_bnode_split+0x10/0x10
[ 961.913217][ T5933] hfs_brec_insert+0x377/0xbd0
[ 961.918011][ T5933] ? __pfx_hfs_brec_insert+0x10/0x10
[ 961.923316][ T5933] hfs_cat_create+0x344/0x640
[ 961.927996][ T5933] ? __pfx_hfs_cat_create+0x10/0x10
[ 961.933207][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.938860][ T5933] ? _raw_spin_unlock+0x28/0x50
[ 961.943711][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.949344][ T5933] ? hfs_new_inode+0x7c9/0xba0
[ 961.954118][ T5933] hfs_mkdir+0x6c/0xe0
[ 961.958190][ T5933] vfs_mkdir+0x306/0x510
[ 961.962438][ T5933] do_mkdirat+0x247/0x590
[ 961.966771][ T5933] ? __pfx_do_mkdirat+0x10/0x10
[ 961.971628][ T5933] ? getname_flags+0x1e5/0x540
[ 961.976402][ T5933] __x64_sys_mkdirat+0x87/0xa0
[ 961.981171][ T5933] do_syscall_64+0xf6/0x210
[ 961.985680][ T5933] ? srso_alias_return_thunk+0x5/0xfbef5
[ 961.991323][ T5933] ? exc_page_fault+0x91/0x110
[ 961.996104][ T5933] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 962.002002][ T5933] RIP: 0033:0x7f931e46ff79
[ 962.006413][ T5933] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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
[ 962.026012][ T5933] RSP: 002b:00007fffad067058 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 962.034427][ T5933] RAX: ffffffffffffffda RBX: 00656d69742e7166 RCX: 00007f931e46ff79
[ 962.042392][ T5933] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 00000000ffffff9c
[ 962.050356][ T5933] RBP: 00007fffad067068 R08: 00007fffad067068 R09: 00007f931e43bd20
[ 962.058321][ T5933] R10: 00007fffad067060 R11: 0000000000000246 R12: 0000000000000000
[ 962.066283][ T5933] R13: 00007fffad0672c8 R14: 0000000000000001 R15: 0000000000000001
[ 962.074265][ T5933]
[ 962.077463][ T5933] Kernel Offset: disabled
[ 962.081783][ T5933] Rebooting in 86400 seconds..