ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor870510274 <...> T36] audit: type=1400 audit(1792534410.050:62): avc: denied { rlimitinh } for pid=233 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.670525][ T36] audit: type=1400 audit(1792534410.050:63): avc: denied { siginh } for pid=233 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor870510274", ["ci2-android-6-12-rust/syz-executor870510274"], 0x7fff88e6c5b0 /* 10 vars */) = 0 brk(NULL) = 0x555582e58000 brk(0x555582e58d40) = 0x555582e58d40 arch_prctl(ARCH_SET_FS, 0x555582e583c0) = 0 set_tid_address(0x555582e58690) = 313 set_robust_list(0x555582e586a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor870510274", 4096) = 49 getrandom("\xa5\x4a\x8b\x96\x16\xda\xf5\x01", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555582e58d40 brk(0x555582e79d40) = 0x555582e79d40 brk(0x555582e7a000) = 0x555582e7a000 mprotect(0x7ffa8e94c000, 20480, 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 write(1, "executing program\n", 18) = 18 openat(AT_FDCWD, "/dev/mapper/control", O_RDWR) = 3 executing program ioctl(3, DM_DEV_CREATE, [{version=[4, 0, 0], data_size=312, name="syza2", uuid="LVM-syza1", flags=DM_NOFLUSH_FLAG|DM_IMA_MEASUREMENT_FLAG}] => [{version=[4, 48, 0], data_size=305, dev=makedev(0xfc, 0), name="syza2", uuid="LVM-syza1", target_count=0, open_count=0, event_nr=0, flags=DM_NOFLUSH_FLAG|DM_IMA_MEASUREMENT_FLAG}]) = 0 [ 23.671782][ T36] audit: type=1400 audit(1792534419.060:64): avc: denied { execmem } for pid=313 comm="syz-executor870" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.675048][ T313] ================================================================== [ 23.691376][ T36] audit: type=1400 audit(1792534419.060:65): avc: denied { read write } for pid=313 comm="syz-executor870" name="control" dev="devtmpfs" ino=198 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 23.699309][ T313] BUG: KASAN: slab-use-after-free in snapshot_ctr+0x586/0x1350 [ 23.699344][ T313] Read of size 8 at addr ffff888103385898 by task syz-executor870/313 [ 23.723608][ T36] audit: type=1400 audit(1792534419.060:66): avc: denied { open } for pid=313 comm="syz-executor870" path="/dev/mapper/control" dev="devtmpfs" ino=198 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 23.730615][ T313] [ 23.730632][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor870 Not tainted syzkaller #0 f4dc25654f8255e5780388d900d0b326847aed68 [ 23.730656][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 23.730675][ T313] Call Trace: [ 23.730682][ T313] [ 23.730689][ T313] __dump_stack+0x21/0x30 [ 23.730720][ T313] dump_stack_lvl+0x140/0x1c0 [ 23.730746][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 23.730772][ T313] ? __cfi__printk+0x10/0x10 [ 23.730795][ T313] print_address_description+0x71/0x210 [ 23.730821][ T313] print_report+0x4a/0x70 [ 23.730846][ T313] kasan_report+0x162/0x1a0 [ 23.730863][ T313] ? snapshot_ctr+0x586/0x1350 [ 23.730885][ T313] ? snapshot_ctr+0x586/0x1350 [ 23.730905][ T313] __asan_report_load8_noabort+0x18/0x20 [ 23.730929][ T313] snapshot_ctr+0x586/0x1350 [ 23.730949][ T313] ? dm_split_args+0xa1/0x740 [ 23.730966][ T313] ? __cfi_snapshot_ctr+0x10/0x10 [ 23.730987][ T313] ? dm_split_args+0x5d0/0x740 [ 23.731005][ T313] dm_table_add_target+0x59f/0xcb0 [ 23.731025][ T313] table_load+0x2eb/0x7d0 [ 23.731048][ T313] ? __check_object_size+0x99/0x870 [ 23.731072][ T313] ? __cfi_table_load+0x10/0x10 [ 23.731097][ T313] ? __kasan_check_write+0x18/0x20 [ 23.731119][ T313] ? __cfi_table_load+0x10/0x10 [ 23.731142][ T313] dm_ctl_ioctl+0x8f3/0xde0 [ 23.731167][ T313] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 23.731194][ T313] ? ptrace_notify+0x20d/0x290 [ 23.731219][ T313] ? bpf_lsm_file_ioctl+0xd/0x20 [ 23.731237][ T313] ? security_file_ioctl+0x3e/0x110 [ 23.731260][ T313] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 23.731283][ T313] __se_sys_ioctl+0x123/0x1b0 [ 23.731301][ T313] __x64_sys_ioctl+0x7f/0xa0 [ 23.731318][ T313] x64_sys_call+0x1878/0x2ee0 [ 23.731336][ T313] do_syscall_64+0x57/0xf0 [ 23.731353][ T313] ? clear_bhb_loop+0x50/0xa0 [ 23.731375][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.731396][ T313] RIP: 0033:0x7ffa8e8bbff9 [ 23.731418][ T313] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d8 ff ff ff f7 d8 64 89 01 48 [ 23.731433][ T313] RSP: 002b:00007ffeed87d758 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.731459][ T313] RAX: ffffffffffffffda RBX: 00007ffeed87d888 RCX: 00007ffa8e8bbff9 [ 23.731473][ T313] RDX: 0000200000000140 RSI: 00000000c138fd09 RDI: 0000000000000003 [ 23.731486][ T313] RBP: 0000000000000001 R08: 0000000000000013 R09: 00007ffeed87d888 [ 23.731498][ T313] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffeed87d878 [ 23.731510][ T313] R13: 0000000000000002 R14: 00007ffa8e94cca0 R15: 0000000000000002 [ 23.731524][ T313] [ 23.731531][ T313] [ 23.740623][ T36] audit: type=1400 audit(1792534419.060:67): avc: denied { ioctl } for pid=313 comm="syz-executor870" path="/dev/mapper/control" dev="devtmpfs" ino=198 ioctlcmd=0xfd03 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 23.763048][ T313] Allocated by task 313: [ 23.763060][ T313] kasan_save_track+0x3e/0x80 [ 23.763086][ T313] kasan_save_alloc_info+0x3a/0x50 [ 24.064606][ T313] __kasan_kmalloc+0x96/0xb0 [ 24.069183][ T313] __kmalloc_cache_node_noprof+0x225/0x430 [ 24.074968][ T313] dm_get_table_device+0x1e3/0x6c0 [ 24.080057][ T313] dm_get_device+0x32b/0x7f0 [ 24.084619][ T313] snapshot_ctr+0x292/0x1350 [ 24.089184][ T313] dm_table_add_target+0x59f/0xcb0 [ 24.094264][ T313] table_load+0x2eb/0x7d0 [ 24.098569][ T313] dm_ctl_ioctl+0x8f3/0xde0 [ 24.103046][ T313] __se_sys_ioctl+0x123/0x1b0 [ 24.107697][ T313] __x64_sys_ioctl+0x7f/0xa0 [ 24.112275][ T313] x64_sys_call+0x1878/0x2ee0 [ 24.116929][ T313] do_syscall_64+0x57/0xf0 [ 24.121319][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.127187][ T313] [ 24.129484][ T313] Freed by task 313: [ 24.133347][ T313] kasan_save_track+0x3e/0x80 [ 24.138003][ T313] kasan_save_free_info+0x44/0x50 [ 24.143014][ T313] __kasan_slab_free+0x5f/0x80 [ 24.147749][ T313] kfree+0x158/0x440 [ 24.151618][ T313] dm_put_table_device+0x298/0x2e0 [ 24.156701][ T313] dm_get_device+0x571/0x7f0 [ 24.161264][ T313] snapshot_ctr+0x435/0x1350 [ 24.165828][ T313] dm_table_add_target+0x59f/0xcb0 [ 24.170910][ T313] table_load+0x2eb/0x7d0 [ 24.175212][ T313] dm_ctl_ioctl+0x8f3/0xde0 [ 24.179703][ T313] __se_sys_ioctl+0x123/0x1b0 [ 24.184349][ T313] __x64_sys_ioctl+0x7f/0xa0 [ 24.188908][ T313] x64_sys_call+0x1878/0x2ee0 [ 24.193555][ T313] do_syscall_64+0x57/0xf0 [ 24.197940][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.203822][ T313] [ 24.206119][ T313] The buggy address belongs to the object at ffff888103385880 [ 24.206119][ T313] which belongs to the cache kmalloc-96 of size 96 [ 24.219985][ T313] The buggy address is located 24 bytes inside of [ 24.219985][ T313] freed 96-byte region [ffff888103385880, ffff8881033858e0) [ 24.233587][ T313] [ 24.235908][ T313] The buggy address belongs to the physical page: [ 24.242298][ T313] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103385 [ 24.251134][ T313] anon flags: 0x4000000000000000(zone=1) [ 24.256742][ T313] page_type: f5(slab) [ 24.260699][ T313] raw: 4000000000000000 ffff888100041280 ffffea00042fb080 0000000000000003 [ 24.269257][ T313] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000 [ 24.277809][ T313] page dumped because: kasan: bad access detected [ 24.284200][ T313] page_owner tracks the page as allocated [ 24.289886][ T313] 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 2557110407, free_ts 0 [ 24.307394][ T313] post_alloc_hook+0x37d/0x3b0 [ 24.312140][ T313] prep_new_page+0x2d/0x180 [ 24.316616][ T313] get_page_from_freelist+0x4aea/0x4ba0 [ 24.322140][ T313] __alloc_pages_noprof+0x35a/0x7e0 [ 24.327310][ T313] alloc_slab_page+0x6b/0x1e0 [ 24.331957][ T313] allocate_slab+0x69/0x430 [ 24.336434][ T313] ___slab_alloc+0x591/0x8c0 [ 24.341013][ T313] __kmalloc_cache_noprof+0x2cd/0x470 [ 24.346379][ T313] kobject_create_and_add+0x68/0x2e0 [ 24.351639][ T313] module_add_driver+0x228/0x340 [ 24.356552][ T313] bus_add_driver+0x3ea/0x730 [ 24.361211][ T313] driver_register+0x2b7/0x3c0 [ 24.365950][ T313] usb_register_driver+0x225/0x410 [ 24.371037][ T313] rtl8150_driver_init+0x22/0x30 [ 24.375951][ T313] do_one_initcall+0x1e8/0x6a0 [ 24.380694][ T313] do_initcall_level+0x174/0x2e5 [ 24.385621][ T313] page_owner free stack trace missing [ 24.390984][ T313] [ 24.393285][ T313] Memory state around the buggy address: [ 24.398887][ T313] ffff888103385780: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 24.406920][ T313] ffff888103385800: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 24.414950][ T313] >ffff888103385880: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 24.422982][ T313] ^ [ 24.427808][ T313] ffff888103385900: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 24.435837][ T313] ffff888103385980: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 24.443865][ T313] ================================================================== [ 24.452329][ T313] Disabling lock debugging due to kernel taint [ 24.455171][ T36] audit: type=1400 audit(1792534419.840:68): avc: denied { read } for pid=92 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 24.458547][ T313] device-mapper: table: 252:0: device 1:1 not in table devices list [ 24.481371][ T36] audit: type=1400 audit(1792534419.840:69): avc: denied { search } for pid=92 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 24.488061][ T313] device-mapper: table: 252:0: snapshot: COW device cannot be the same as origin device (-EINVAL) ioctl(3, DM_TABLE_LOAD, [{version=[4, 0, 0], data_size=440, data_start=312, dev=makedev(0xfc, 0), target_count=1, flags=0}, ...] => [{version=[4, 48, 0], data_size=440, data_start=312, dev=makedev(0xfc, 0), flags=0}]) = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 24.509453][ T36] audit: type=1400 audit(1792534419.840:70):