./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2272794611

<...>
Warning: Permanently added '10.128.0.149' (ED25519) to the list of known hosts.
execve("./syz-executor2272794611", ["./syz-executor2272794611"], 0x7ffca7395bc0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555688fc000
brk(0x5555688fcd00)                     = 0x5555688fcd00
arch_prctl(ARCH_SET_FS, 0x5555688fc380) = 0
set_tid_address(0x5555688fc650)         = 5822
set_robust_list(0x5555688fc660, 24)     = 0
rseq(0x5555688fcca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2272794611", 4096) = 28
getrandom("\xab\xa7\x2c\x6e\x6c\xe9\x40\x29", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555688fcd00
brk(0x55556891dd00)                     = 0x55556891dd00
brk(0x55556891e000)                     = 0x55556891e000
mprotect(0x7f4e6ee82000, 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 5823 attached
, child_tidptr=0x5555688fc650) = 5823
[pid  5823] set_robust_list(0x5555688fc660, 24) = 0
[pid  5823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5823] setpgid(0, 0)               = 0
[pid  5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5823] write(3, "1000", 4)         = 4
[pid  5823] close(3)                    = 0
[pid  5823] write(1, "executing program\n", 18executing program
) = 18
[pid  5823] memfd_create("syzkaller", 0) = 3
[pid  5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4e66800000
[pid  5823] 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
[pid  5823] munmap(0x7f4e66800000, 138412032) = 0
[pid  5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5823] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5823] close(3)                    = 0
[pid  5823] close(4)                    = 0
[pid  5823] mkdir("./file1", 0777)      = 0
[pid  5823] mount("/dev/loop0", "./file1", "hfs", MS_NODEV|MS_DIRSYNC, "") = 0
[pid  5823] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5823] chdir("./file1")            = 0
[pid  5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5823] openat(AT_FDCWD, "blkio.bfq.io_merged_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[   61.276105][ T5823] loop0: detected capacity change from 0 to 64
[   61.333682][ T5823] ==================================================================
[   61.341751][ T5823] BUG: KASAN: slab-out-of-bounds in hfs_bnode_read+0x167/0x200
[   61.349301][ T5823] Write of size 94 at addr ffff888145f76800 by task syz-executor227/5823
[   61.357686][ T5823] 
[   61.360006][ T5823] CPU: 1 UID: 0 PID: 5823 Comm: syz-executor227 Not tainted 6.14.0-rc4-syzkaller-00248-g03d38806a902 #0
[   61.360018][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   61.360027][ T5823] Call Trace:
[   61.360031][ T5823]  <TASK>
[   61.360035][ T5823]  dump_stack_lvl+0x241/0x360
[   61.360048][ T5823]  ? __pfx_dump_stack_lvl+0x10/0x10
[   61.360061][ T5823]  ? __pfx__printk+0x10/0x10
[   61.360074][ T5823]  ? _printk+0xd5/0x120
[   61.360086][ T5823]  ? __virt_addr_valid+0x183/0x530
[   61.360100][ T5823]  ? __virt_addr_valid+0x183/0x530
[   61.360113][ T5823]  print_report+0x16e/0x5b0
[   61.360126][ T5823]  ? __virt_addr_valid+0x183/0x530
[   61.360138][ T5823]  ? __virt_addr_valid+0x183/0x530
[   61.360150][ T5823]  ? __virt_addr_valid+0x45f/0x530
[   61.360162][ T5823]  ? __phys_addr+0xba/0x170
[   61.360174][ T5823]  ? hfs_bnode_read+0x167/0x200
[   61.360185][ T5823]  kasan_report+0x143/0x180
[   61.360198][ T5823]  ? hfs_bnode_read+0x167/0x200
[   61.360211][ T5823]  kasan_check_range+0x282/0x290
[   61.360223][ T5823]  ? hfs_bnode_read+0x167/0x200
[   61.360234][ T5823]  __asan_memcpy+0x40/0x70
[   61.360245][ T5823]  hfs_bnode_read+0x167/0x200
[   61.360257][ T5823]  hfs_bnode_read_key+0x172/0x240
[   61.360269][ T5823]  ? __pfx_hfs_bnode_read_key+0x10/0x10
[   61.360281][ T5823]  ? do_raw_spin_unlock+0x13c/0x8b0
[   61.360292][ T5823]  ? hfs_bnode_put+0x1c4/0x380
[   61.360305][ T5823]  hfs_brec_insert+0x7f3/0xbd0
[   61.360321][ T5823]  ? __pfx_hfs_brec_insert+0x10/0x10
[   61.360335][ T5823]  hfs_cat_create+0x3dc/0x760
[   61.360349][ T5823]  ? __pfx_hfs_cat_create+0x10/0x10
[   61.360365][ T5823]  ? _raw_spin_unlock+0x28/0x50
[   61.360378][ T5823]  ? hfs_new_inode+0x8df/0xba0
[   61.360388][ T5823]  hfs_mkdir+0x6c/0xe0
[   61.360397][ T5823]  vfs_mkdir+0x2f9/0x4f0
[   61.360410][ T5823]  do_mkdirat+0x264/0x3a0
[   61.360420][ T5823]  ? __check_object_size+0x47a/0x730
[   61.360435][ T5823]  ? __pfx_do_mkdirat+0x10/0x10
[   61.360445][ T5823]  ? strncpy_from_user+0x146/0x270
[   61.360458][ T5823]  ? getname_flags+0x1e3/0x540
[   61.360467][ T5823]  __x64_sys_mkdir+0x6c/0x80
[   61.360479][ T5823]  do_syscall_64+0xf3/0x230
[   61.360491][ T5823]  ? clear_bhb_loop+0x35/0x90
[   61.360505][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   61.360517][ T5823] RIP: 0033:0x7f4e6ee0db57
[   61.360529][ T5823] 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
[   61.360537][ T5823] RSP: 002b:00007ffda0f62918 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[   61.360547][ T5823] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e6ee0db57
[   61.360554][ T5823] RDX: 0000000000004800 RSI: 00000000000001ff RDI: 0000400000000100
[   61.360560][ T5823] RBP: 0000400000000100 R08: 0000000000000003 R09: 0000000000000000
[   61.360566][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   61.360571][ T5823] R13: 00007ffda0f629b0 R14: 0000000000000000 R15: 0000000000000000
[   61.360580][ T5823]  </TASK>
[   61.360583][ T5823] 
[   61.652772][ T5823] Allocated by task 5823:
[   61.657097][ T5823]  kasan_save_track+0x3f/0x80
[   61.661764][ T5823]  __kasan_kmalloc+0x98/0xb0
[   61.666339][ T5823]  __kmalloc_noprof+0x285/0x4c0
[   61.671169][ T5823]  hfs_find_init+0x90/0x1f0
[   61.675664][ T5823]  hfs_cat_create+0x17f/0x760
[   61.680329][ T5823]  hfs_mkdir+0x6c/0xe0
[   61.684380][ T5823]  vfs_mkdir+0x2f9/0x4f0
[   61.688609][ T5823]  do_mkdirat+0x264/0x3a0
[   61.692924][ T5823]  __x64_sys_mkdir+0x6c/0x80
[   61.697497][ T5823]  do_syscall_64+0xf3/0x230
[   61.701988][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   61.707869][ T5823] 
[   61.710178][ T5823] The buggy address belongs to the object at ffff888145f76800
[   61.710178][ T5823]  which belongs to the cache kmalloc-96 of size 96
[   61.724042][ T5823] The buggy address is located 0 bytes inside of
[   61.724042][ T5823]  allocated 78-byte region [ffff888145f76800, ffff888145f7684e)
[   61.737906][ T5823] 
[   61.740214][ T5823] The buggy address belongs to the physical page:
[   61.746602][ T5823] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x145f76
[   61.755443][ T5823] flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff)
[   61.762620][ T5823] page_type: f5(slab)
[   61.766585][ T5823] raw: 057ff00000000000 ffff88801b041280 ffffea00007cdb40 dead000000000002
[   61.775150][ T5823] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   61.783710][ T5823] page dumped because: kasan: bad access detected
[   61.790108][ T5823] page_owner tracks the page as allocated
[   61.795807][ T5823] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 8932483689, free_ts 0
[   61.813333][ T5823]  post_alloc_hook+0x1f4/0x240
[   61.818084][ T5823]  get_page_from_freelist+0x3651/0x37a0
[   61.823613][ T5823]  __alloc_frozen_pages_noprof+0x292/0x710
[   61.829406][ T5823]  alloc_pages_mpol+0x311/0x660
[   61.834246][ T5823]  allocate_slab+0x8f/0x3a0
[   61.838734][ T5823]  ___slab_alloc+0xc27/0x14a0
[   61.843409][ T5823]  __slab_alloc+0x58/0xa0
[   61.847730][ T5823]  __kmalloc_cache_noprof+0x27b/0x390
[   61.853090][ T5823]  usb_hub_create_port_device+0xc8/0xc10
[   61.858725][ T5823]  hub_probe+0x262c/0x3780
[   61.863134][ T5823]  usb_probe_interface+0x641/0xbb0
[   61.868230][ T5823]  really_probe+0x2b9/0xad0
[   61.872721][ T5823]  __driver_probe_device+0x1a2/0x390
[   61.878006][ T5823]  driver_probe_device+0x50/0x430
[   61.883019][ T5823]  __device_attach_driver+0x2d6/0x530
[   61.888378][ T5823]  bus_for_each_drv+0x24e/0x2e0
[   61.893215][ T5823] page_owner free stack trace missing
[   61.898563][ T5823] 
[   61.900871][ T5823] Memory state around the buggy address:
[   61.906488][ T5823]  ffff888145f76700: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[   61.914530][ T5823]  ffff888145f76780: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   61.922572][ T5823] >ffff888145f76800: 00 00 00 00 00 00 00 00 00 06 fc fc fc fc fc fc
[   61.930614][ T5823]                                               ^
[   61.937007][ T5823]  ffff888145f76880: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   61.945052][ T5823]  ffff888145f76900: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
[   61.953090][ T5823] ==================================================================
[   61.962198][ T5823] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   61.969423][ T5823] CPU: 1 UID: 0 PID: 5823 Comm: syz-executor227 Not tainted 6.14.0-rc4-syzkaller-00248-g03d38806a902 #0
[   61.980533][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   61.990580][ T5823] Call Trace:
[   61.993848][ T5823]  <TASK>
[   61.996767][ T5823]  dump_stack_lvl+0x241/0x360
[   62.001437][ T5823]  ? __pfx_dump_stack_lvl+0x10/0x10
[   62.006623][ T5823]  ? __pfx__printk+0x10/0x10
[   62.011299][ T5823]  ? preempt_schedule+0xe1/0xf0
[   62.016140][ T5823]  ? vscnprintf+0x5d/0x90
[   62.020457][ T5823]  panic+0x349/0x880
[   62.024344][ T5823]  ? check_panic_on_warn+0x21/0xb0
[   62.029459][ T5823]  ? __pfx_panic+0x10/0x10
[   62.033866][ T5823]  ? _raw_spin_unlock_irqrestore+0x130/0x140
[   62.039835][ T5823]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   62.046153][ T5823]  ? print_report+0x519/0x5b0
[   62.050819][ T5823]  check_panic_on_warn+0x86/0xb0
[   62.055747][ T5823]  ? hfs_bnode_read+0x167/0x200
[   62.060586][ T5823]  end_report+0x77/0x160
[   62.064820][ T5823]  kasan_report+0x154/0x180
[   62.069311][ T5823]  ? hfs_bnode_read+0x167/0x200
[   62.074151][ T5823]  kasan_check_range+0x282/0x290
[   62.079083][ T5823]  ? hfs_bnode_read+0x167/0x200
[   62.083926][ T5823]  __asan_memcpy+0x40/0x70
[   62.088327][ T5823]  hfs_bnode_read+0x167/0x200
[   62.092991][ T5823]  hfs_bnode_read_key+0x172/0x240
[   62.098023][ T5823]  ? __pfx_hfs_bnode_read_key+0x10/0x10
[   62.103654][ T5823]  ? do_raw_spin_unlock+0x13c/0x8b0
[   62.108849][ T5823]  ? hfs_bnode_put+0x1c4/0x380
[   62.113614][ T5823]  hfs_brec_insert+0x7f3/0xbd0
[   62.118383][ T5823]  ? __pfx_hfs_brec_insert+0x10/0x10
[   62.123664][ T5823]  hfs_cat_create+0x3dc/0x760
[   62.128336][ T5823]  ? __pfx_hfs_cat_create+0x10/0x10
[   62.133531][ T5823]  ? _raw_spin_unlock+0x28/0x50
[   62.138367][ T5823]  ? hfs_new_inode+0x8df/0xba0
[   62.143117][ T5823]  hfs_mkdir+0x6c/0xe0
[   62.147171][ T5823]  vfs_mkdir+0x2f9/0x4f0
[   62.151402][ T5823]  do_mkdirat+0x264/0x3a0
[   62.155722][ T5823]  ? __check_object_size+0x47a/0x730
[   62.161003][ T5823]  ? __pfx_do_mkdirat+0x10/0x10
[   62.165840][ T5823]  ? strncpy_from_user+0x146/0x270
[   62.170940][ T5823]  ? getname_flags+0x1e3/0x540
[   62.175689][ T5823]  __x64_sys_mkdir+0x6c/0x80
[   62.180266][ T5823]  do_syscall_64+0xf3/0x230
[   62.184764][ T5823]  ? clear_bhb_loop+0x35/0x90
[   62.189433][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   62.195314][ T5823] RIP: 0033:0x7f4e6ee0db57
[   62.199715][ T5823] 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
[   62.219309][ T5823] RSP: 002b:00007ffda0f62918 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[   62.227711][ T5823] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e6ee0db57
[   62.235668][ T5823] RDX: 0000000000004800 RSI: 00000000000001ff RDI: 0000400000000100
[   62.243622][ T5823] RBP: 0000400000000100 R08: 0000000000000003 R09: 0000000000000000
[   62.251574][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   62.259531][ T5823] R13: 00007ffda0f629b0 R14: 0000000000000000 R15: 0000000000000000
[   62.267492][ T5823]  </TASK>
[   62.270732][ T5823] Kernel Offset: disabled
[   62.275043][ T5823] Rebooting in 86400 seconds..