./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2884824894
<...>
DUID 00:04:e6:d8:3e:4c:c1:15:84:42:dc:00:60:8c:e3:5f:26:b4
no interfaces have a carrier
[ 45.803490][ T5494] 8021q: adding VLAN 0 to HW filter on device bond0
[ 45.814343][ T5494] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.75' (ED25519) to the list of known hosts.
execve("./syz-executor2884824894", ["./syz-executor2884824894"], 0x7ffcf45b17c0 /* 10 vars */) = 0
brk(NULL) = 0x555592070000
brk(0x555592070d00) = 0x555592070d00
arch_prctl(ARCH_SET_FS, 0x555592070380) = 0
set_tid_address(0x555592070650) = 5824
set_robust_list(0x555592070660, 24) = 0
rseq(0x555592070ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2884824894", 4096) = 28
getrandom("\x27\x02\xe6\x2d\xe9\x42\xe0\x0b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555592070d00
brk(0x555592091d00) = 0x555592091d00
brk(0x555592092000) = 0x555592092000
mprotect(0x7fc871072000, 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
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) = 0x7fc868a00000
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
munmap(0x7fc868a00000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file1", 0777) = 0
syzkaller login: [ 72.830965][ T5824] loop0: detected capacity change from 0 to 1024
mount("/dev/loop0", "./file1", "hfsplus", MS_NOATIME|MS_STRICTATIME, "") = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 72.933210][ T5824] hfsplus: new node 0 already hashed?
[ 72.938792][ T5824] ------------[ cut here ]------------
[ 72.944694][ T5824] WARNING: CPU: 0 PID: 5824 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x3c2/0x450
[ 72.954799][ T5824] Modules linked in:
[ 72.958768][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor288 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(full)
[ 72.971561][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 72.981795][ T5824] RIP: 0010:hfsplus_bnode_create+0x3c2/0x450
[ 72.987795][ T5824] Code: 81 8b 89 ee e8 cf 99 94 fe e9 6e fd ff ff e8 b5 c5 2c ff 4c 89 ef e8 7d d2 c4 08 48 c7 c7 a0 5d 81 8b 89 ee e8 af 99 94 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 75 fc ff ff
[ 73.007498][ T5824] RSP: 0018:ffffc90004067578 EFLAGS: 00010246
[ 73.013607][ T5824] RAX: 0000000000000023 RBX: ffff88802f650000 RCX: 71d95a4b9fff2900
[ 73.021659][ T5824] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 73.029641][ T5824] RBP: 0000000000000000 R08: ffffc90004067267 R09: 1ffff9200080ce4c
[ 73.037680][ T5824] R10: dffffc0000000000 R11: fffff5200080ce4d R12: 0000000000000000
[ 73.045743][ T5824] R13: ffff88802f6500e0 R14: ffff888030b98d00 R15: dffffc0000000000
[ 73.053948][ T5824] FS: 0000555592070380(0000) GS:ffff8881260d7000(0000) knlGS:0000000000000000
[ 73.062908][ T5824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.069479][ T5824] CR2: 0000563c3955b6a8 CR3: 000000007887e000 CR4: 00000000003526f0
[ 73.077540][ T5824] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 73.085542][ T5824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 73.093561][ T5824] Call Trace:
[ 73.096861][ T5824]
[ 73.099798][ T5824] hfsplus_bmap_alloc+0x52d/0x5c0
[ 73.104880][ T5824] ? __pfx_hfsplus_bmap_alloc+0x10/0x10
[ 73.110455][ T5824] ? __hfsplus_ext_cache_extent+0x348/0xe30
[ 73.116429][ T5824] ? __asan_memcpy+0x40/0x70
[ 73.121049][ T5824] ? hfsplus_bnode_read+0xea/0x1e0
[ 73.126168][ T5824] hfs_bnode_split+0xcc/0xef0
[ 73.130878][ T5824] ? hfsplus_bnode_read+0x19d/0x1e0
[ 73.136084][ T5824] ? hfsplus_bnode_read+0xea/0x1e0
[ 73.141228][ T5824] ? __asan_memcpy+0x40/0x70
[ 73.145828][ T5824] ? hfsplus_bnode_read_u16+0x87/0xd0
[ 73.151234][ T5824] ? __pfx_hfs_bnode_split+0x10/0x10
[ 73.156553][ T5824] hfsplus_brec_insert+0x38f/0xcc0
[ 73.161728][ T5824] ? __pfx_hfsplus_brec_insert+0x10/0x10
[ 73.167369][ T5824] ? hfsplus_find_init+0x8c/0x1d0
[ 73.172461][ T5824] ? hfsplus_cat_set_perms+0x33f/0x5a0
[ 73.177941][ T5824] hfsplus_create_cat+0x9e9/0x1000
[ 73.183111][ T5824] ? __pfx_hfsplus_create_cat+0x10/0x10
[ 73.188726][ T5824] ? __pfx_page_symlink+0x10/0x10
[ 73.193792][ T5824] ? _raw_spin_unlock+0x28/0x50
[ 73.198655][ T5824] ? hfsplus_new_inode+0x643/0x820
[ 73.203813][ T5824] hfsplus_symlink+0x133/0x260
[ 73.208613][ T5824] ? bpf_lsm_inode_symlink+0x9/0x20
[ 73.213853][ T5824] vfs_symlink+0x140/0x2f0
[ 73.218339][ T5824] do_symlinkat+0x1b1/0x3f0
[ 73.222910][ T5824] ? __pfx_do_symlinkat+0x10/0x10
[ 73.227961][ T5824] ? getname_flags+0x1e5/0x540
[ 73.232762][ T5824] __x64_sys_symlink+0x7a/0x90
[ 73.237536][ T5824] do_syscall_64+0xf6/0x210
[ 73.242071][ T5824] ? clear_bhb_loop+0x45/0xa0
[ 73.246751][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.252684][ T5824] RIP: 0033:0x7fc870ffe939
[ 73.257115][ T5824] 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
[ 73.276828][ T5824] RSP: 002b:00007ffe549704f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 73.285298][ T5824] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fc870ffe939
[ 73.293288][ T5824] RDX: 00007fc870ffd9d1 RSI: 0000200000000800 RDI: 0000200000000b00
[ 73.301307][ T5824] RBP: 00007fc871072610 R08: 000000000000068c R09: 0000000000000000
[ 73.309290][ T5824] R10: 00007ffe549703c0 R11: 0000000000000246 R12: 0000000000000001
[ 73.317336][ T5824] R13: 00007ffe549706c8 R14: 0000000000000001 R15: 0000000000000001
[ 73.325369][ T5824]
[ 73.328398][ T5824] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 73.335674][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor288 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(full)
[ 73.348071][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 73.358117][ T5824] Call Trace:
[ 73.361388][ T5824]
[ 73.364312][ T5824] dump_stack_lvl+0x99/0x250
[ 73.368898][ T5824] ? __asan_memcpy+0x40/0x70
[ 73.373482][ T5824] ? __pfx_dump_stack_lvl+0x10/0x10
[ 73.378700][ T5824] ? __pfx__printk+0x10/0x10
[ 73.383315][ T5824] panic+0x2db/0x790
[ 73.387220][ T5824] ? __pfx_panic+0x10/0x10
[ 73.391668][ T5824] __warn+0x31b/0x4b0
[ 73.395657][ T5824] ? hfsplus_bnode_create+0x3c2/0x450
[ 73.401028][ T5824] ? hfsplus_bnode_create+0x3c2/0x450
[ 73.406401][ T5824] report_bug+0x2be/0x4f0
[ 73.410728][ T5824] ? hfsplus_bnode_create+0x3c2/0x450
[ 73.416096][ T5824] ? hfsplus_bnode_create+0x3c2/0x450
[ 73.421463][ T5824] ? hfsplus_bnode_create+0x3c4/0x450
[ 73.426828][ T5824] handle_bug+0x84/0x160
[ 73.431069][ T5824] exc_invalid_op+0x1a/0x50
[ 73.435584][ T5824] asm_exc_invalid_op+0x1a/0x20
[ 73.440450][ T5824] RIP: 0010:hfsplus_bnode_create+0x3c2/0x450
[ 73.446462][ T5824] Code: 81 8b 89 ee e8 cf 99 94 fe e9 6e fd ff ff e8 b5 c5 2c ff 4c 89 ef e8 7d d2 c4 08 48 c7 c7 a0 5d 81 8b 89 ee e8 af 99 94 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 75 fc ff ff
[ 73.466287][ T5824] RSP: 0018:ffffc90004067578 EFLAGS: 00010246
[ 73.472353][ T5824] RAX: 0000000000000023 RBX: ffff88802f650000 RCX: 71d95a4b9fff2900
[ 73.480516][ T5824] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 73.488476][ T5824] RBP: 0000000000000000 R08: ffffc90004067267 R09: 1ffff9200080ce4c
[ 73.496457][ T5824] R10: dffffc0000000000 R11: fffff5200080ce4d R12: 0000000000000000
[ 73.504432][ T5824] R13: ffff88802f6500e0 R14: ffff888030b98d00 R15: dffffc0000000000
[ 73.512422][ T5824] ? hfsplus_bnode_create+0x3c1/0x450
[ 73.517797][ T5824] hfsplus_bmap_alloc+0x52d/0x5c0
[ 73.522818][ T5824] ? __pfx_hfsplus_bmap_alloc+0x10/0x10
[ 73.528352][ T5824] ? __hfsplus_ext_cache_extent+0x348/0xe30
[ 73.534240][ T5824] ? __asan_memcpy+0x40/0x70
[ 73.538822][ T5824] ? hfsplus_bnode_read+0xea/0x1e0
[ 73.543927][ T5824] hfs_bnode_split+0xcc/0xef0
[ 73.548597][ T5824] ? hfsplus_bnode_read+0x19d/0x1e0
[ 73.554048][ T5824] ? hfsplus_bnode_read+0xea/0x1e0
[ 73.559149][ T5824] ? __asan_memcpy+0x40/0x70
[ 73.563734][ T5824] ? hfsplus_bnode_read_u16+0x87/0xd0
[ 73.569095][ T5824] ? __pfx_hfs_bnode_split+0x10/0x10
[ 73.574379][ T5824] hfsplus_brec_insert+0x38f/0xcc0
[ 73.579498][ T5824] ? __pfx_hfsplus_brec_insert+0x10/0x10
[ 73.585122][ T5824] ? hfsplus_find_init+0x8c/0x1d0
[ 73.590140][ T5824] ? hfsplus_cat_set_perms+0x33f/0x5a0
[ 73.595593][ T5824] hfsplus_create_cat+0x9e9/0x1000
[ 73.600705][ T5824] ? __pfx_hfsplus_create_cat+0x10/0x10
[ 73.606288][ T5824] ? __pfx_page_symlink+0x10/0x10
[ 73.611304][ T5824] ? _raw_spin_unlock+0x28/0x50
[ 73.616147][ T5824] ? hfsplus_new_inode+0x643/0x820
[ 73.621254][ T5824] hfsplus_symlink+0x133/0x260
[ 73.626006][ T5824] ? bpf_lsm_inode_symlink+0x9/0x20
[ 73.631197][ T5824] vfs_symlink+0x140/0x2f0
[ 73.635611][ T5824] do_symlinkat+0x1b1/0x3f0
[ 73.640111][ T5824] ? __pfx_do_symlinkat+0x10/0x10
[ 73.645132][ T5824] ? getname_flags+0x1e5/0x540
[ 73.649885][ T5824] __x64_sys_symlink+0x7a/0x90
[ 73.654645][ T5824] do_syscall_64+0xf6/0x210
[ 73.659141][ T5824] ? clear_bhb_loop+0x45/0xa0
[ 73.663825][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.669707][ T5824] RIP: 0033:0x7fc870ffe939
[ 73.674112][ T5824] 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
[ 73.693711][ T5824] RSP: 002b:00007ffe549704f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 73.702121][ T5824] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fc870ffe939
[ 73.710081][ T5824] RDX: 00007fc870ffd9d1 RSI: 0000200000000800 RDI: 0000200000000b00
[ 73.718057][ T5824] RBP: 00007fc871072610 R08: 000000000000068c R09: 0000000000000000
[ 73.726017][ T5824] R10: 00007ffe549703c0 R11: 0000000000000246 R12: 0000000000000001
[ 73.733985][ T5824] R13: 00007ffe549706c8 R14: 0000000000000001 R15: 0000000000000001
[ 73.741959][ T5824]
[ 73.745096][ T5824] Kernel Offset: disabled
[ 73.749417][ T5824] Rebooting in 86400 seconds..