forked to background, child pid 748 [ 9.549525][ T749] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 25.519471][ T911] cgroup: Unknown subsys name 'net' [ 25.610591][ T911] cgroup: Unknown subsys name 'rlimit' [ 27.378292][ T911] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. 2024/05/20 02:30:04 ignoring optional flag "sandboxArg"="0" 2024/05/20 02:30:04 parsed 1 programs 2024/05/20 02:30:06 executed programs: 0 [ 54.190600][ T1435] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 59.025985][ T1860] loop0: detected capacity change from 0 to 64 [ 59.033909][ T1860] hfs: unable to locate alternate MDB [ 59.039350][ T1860] hfs: continuing without an alternate MDB [ 59.047174][ T1860] ================================================================== [ 59.055341][ T1860] BUG: KASAN: slab-out-of-bounds in hfs_bnode_read_key+0x1c8/0x3d0 [ 59.063226][ T1860] Write of size 256 at addr ffff8881012f8500 by task syz-executor.0/1860 [ 59.071614][ T1860] [ 59.073941][ T1860] CPU: 0 PID: 1860 Comm: syz-executor.0 Not tainted 6.1.91-syzkaller #0 [ 59.082864][ T1860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 59.093265][ T1860] Call Trace: [ 59.096542][ T1860] [ 59.099763][ T1860] dump_stack_lvl+0xf4/0x251 [ 59.104342][ T1860] ? nf_tcp_handle_invalid+0x2f3/0x2f3 [ 59.110071][ T1860] ? panic+0x3fe/0x3fe [ 59.114421][ T1860] ? __virt_addr_valid+0x139/0x260 [ 59.119554][ T1860] ? __virt_addr_valid+0x211/0x260 [ 59.124856][ T1860] print_report+0x15f/0x4f0 [ 59.129430][ T1860] ? __virt_addr_valid+0x139/0x260 [ 59.134799][ T1860] ? __virt_addr_valid+0x211/0x260 [ 59.140070][ T1860] ? hfs_bnode_read_key+0x1c8/0x3d0 [ 59.145257][ T1860] kasan_report+0x136/0x160 [ 59.149751][ T1860] ? hfs_bnode_read_key+0x1c8/0x3d0 [ 59.155032][ T1860] kasan_check_range+0x27f/0x290 [ 59.159955][ T1860] ? hfs_bnode_read_key+0x1c8/0x3d0 [ 59.165155][ T1860] memcpy+0x3c/0x60 [ 59.168935][ T1860] hfs_bnode_read_key+0x1c8/0x3d0 [ 59.173946][ T1860] hfs_brec_insert+0x65a/0xc90 [ 59.179042][ T1860] ? do_raw_spin_unlock+0x137/0x8a0 [ 59.184383][ T1860] ? hfs_brec_keylen+0x2b0/0x2b0 [ 59.189299][ T1860] ? memset+0x1f/0x40 [ 59.193268][ T1860] ? hfs_cat_build_record+0x5b/0x7c0 [ 59.198548][ T1860] hfs_cat_create+0x52a/0x8b0 [ 59.203232][ T1860] ? hfs_cat_build_key+0x160/0x160 [ 59.208431][ T1860] ? _raw_spin_unlock+0x24/0x40 [ 59.213352][ T1860] ? hfs_new_inode+0x7b8/0x9d0 [ 59.218286][ T1860] hfs_create+0x5b/0xb0 [ 59.222495][ T1860] ? hfs_lookup+0x2a0/0x2a0 [ 59.227066][ T1860] path_openat+0xf0c/0x27d0 [ 59.231545][ T1860] ? do_raw_spin_unlock+0x137/0x8a0 [ 59.236718][ T1860] ? do_filp_open+0x430/0x430 [ 59.241371][ T1860] do_filp_open+0x226/0x430 [ 59.245856][ T1860] ? vfs_tmpfile+0x410/0x410 [ 59.250418][ T1860] ? _raw_spin_unlock+0x24/0x40 [ 59.255256][ T1860] ? alloc_fd+0x3dc/0x470 [ 59.259564][ T1860] do_sys_openat2+0x10b/0x420 [ 59.264212][ T1860] ? rcu_is_watching+0x1b/0x90 [ 59.268949][ T1860] ? do_sys_open+0x1c0/0x1c0 [ 59.273509][ T1860] ? __rseq_handle_notify_resume+0x827/0xdf0 [ 59.279483][ T1860] ? xfd_validate_state+0x12/0x50 [ 59.284490][ T1860] __x64_sys_openat+0x209/0x250 [ 59.289377][ T1860] ? __ia32_sys_open+0x230/0x230 [ 59.294302][ T1860] ? switch_fpu_return+0xc9/0x130 [ 59.299340][ T1860] do_syscall_64+0x3b/0x80 [ 59.303733][ T1860] ? clear_bhb_loop+0x45/0xa0 [ 59.308401][ T1860] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.314264][ T1860] RIP: 0033:0x7f72ba67cb29 [ 59.318759][ T1860] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 [ 59.338352][ T1860] RSP: 002b:00007f72ba1ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 59.346832][ T1860] RAX: ffffffffffffffda RBX: 00007f72ba79bf80 RCX: 00007f72ba67cb29 [ 59.354778][ T1860] RDX: 0000000000141842 RSI: 0000000020000380 RDI: ffffffffffffff9c [ 59.362812][ T1860] RBP: 00007f72ba6c847a R08: 0000000000000000 R09: 0000000000000000 [ 59.370761][ T1860] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.378709][ T1860] R13: 0000000000000006 R14: 00007f72ba79bf80 R15: 00007fffe061d088 [ 59.386741][ T1860] [ 59.389734][ T1860] [ 59.392030][ T1860] Allocated by task 1860: [ 59.396428][ T1860] kasan_set_track+0x4b/0x70 [ 59.401009][ T1860] __kasan_kmalloc+0x97/0xb0 [ 59.405657][ T1860] __kmalloc+0xa6/0x1c0 [ 59.409972][ T1860] hfs_find_init+0x86/0x1b0 [ 59.414573][ T1860] hfs_cat_create+0x165/0x8b0 [ 59.419352][ T1860] hfs_create+0x5b/0xb0 [ 59.423742][ T1860] path_openat+0xf0c/0x27d0 [ 59.428218][ T1860] do_filp_open+0x226/0x430 [ 59.432831][ T1860] do_sys_openat2+0x10b/0x420 [ 59.437564][ T1860] __x64_sys_openat+0x209/0x250 [ 59.442418][ T1860] do_syscall_64+0x3b/0x80 [ 59.446814][ T1860] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.452679][ T1860] [ 59.454977][ T1860] The buggy address belongs to the object at ffff8881012f8500 [ 59.454977][ T1860] which belongs to the cache kmalloc-96 of size 96 [ 59.469210][ T1860] The buggy address is located 0 bytes inside of [ 59.469210][ T1860] 96-byte region [ffff8881012f8500, ffff8881012f8560) [ 59.482441][ T1860] [ 59.484747][ T1860] The buggy address belongs to the physical page: [ 59.491219][ T1860] page:ffffea000404be00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1012f8 [ 59.501525][ T1860] flags: 0x100000000000200(slab|node=0|zone=2) [ 59.507864][ T1860] raw: 0100000000000200 0000000000000000 dead000000000001 ffff888100041780 [ 59.516425][ T1860] raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 [ 59.524986][ T1860] page dumped because: kasan: bad access detected [ 59.531407][ T1860] page_owner tracks the page as allocated [ 59.537188][ T1860] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 3207729919, free_ts 0 [ 59.553836][ T1860] post_alloc_hook+0x286/0x2b0 [ 59.558584][ T1860] get_page_from_freelist+0x398c/0x3b60 [ 59.564486][ T1860] __alloc_pages+0x251/0x640 [ 59.569109][ T1860] alloc_page_interleave+0xf/0x120 [ 59.574502][ T1860] alloc_slab_page+0x6a/0x150 [ 59.579353][ T1860] new_slab+0x70/0x250 [ 59.585170][ T1860] ___slab_alloc+0x9df/0xe70 [ 59.589939][ T1860] __kmem_cache_alloc_node+0x195/0x250 [ 59.595488][ T1860] kmalloc_trace+0x26/0xc0 [ 59.599980][ T1860] acpi_ut_evaluate_object+0xf3/0x3e0 [ 59.605517][ T1860] acpi_ut_execute_STA+0xa6/0x190 [ 59.610613][ T1860] acpi_ns_get_device_callback+0x3a9/0x4a0 [ 59.616406][ T1860] acpi_ns_walk_namespace+0x182/0x350 [ 59.621838][ T1860] acpi_get_devices+0x11d/0x180 [ 59.626762][ T1860] pnpacpi_init+0x59/0xde [ 59.631090][ T1860] do_one_initcall+0x19f/0x4c0 [ 59.635946][ T1860] page_owner free stack trace missing [ 59.641817][ T1860] [ 59.644127][ T1860] Memory state around the buggy address: [ 59.649815][ T1860] ffff8881012f8400: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc [ 59.657936][ T1860] ffff8881012f8480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 59.666248][ T1860] >ffff8881012f8500: 00 00 00 00 00 00 00 00 00 06 fc fc fc fc fc fc [ 59.674367][ T1860] ^ [ 59.681137][ T1860] ffff8881012f8580: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 59.689378][ T1860] ffff8881012f8600: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc [ 59.697989][ T1860] ================================================================== [ 59.706317][ T1860] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 59.714184][ T1860] Kernel Offset: disabled [ 59.718495][ T1860] Rebooting in 86400 seconds..