[ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ ***] A start job is running for OpenBSD …Shell server (1min 18s / 2min 36s)[ **] A start job is running for OpenBSD …Shell server (1min 18s / 2min 36s)[ *] A start job is running for OpenBSD …Shell server (1min 20s / 2min 49s)[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 129.972302][ T8222] ===================================================== [ 129.979290][ T8222] BUG: KMSAN: uninit-value in mbind_range+0x1cd5/0x2100 [ 129.986231][ T8222] mbind_range+0x1cd5/0x2100 [ 129.990850][ T8222] do_mbind+0xf4f/0x15a0 [ 129.995083][ T8222] __x64_sys_mbind+0x473/0x4f0 [ 129.999831][ T8222] do_syscall_64+0x55/0xc0 [ 130.004233][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.010116][ T8222] [ 130.012420][ T8222] Uninit was created at: [ 130.016636][ T8222] kmsan_internal_poison_memory+0x56/0xc0 [ 130.022344][ T8222] kmsan_slab_alloc+0xf5/0x160 [ 130.027113][ T8222] kmem_cache_alloc+0x70e/0x1050 [ 130.032095][ T8222] do_mbind+0x8d5/0x15a0 [ 130.036343][ T8222] __x64_sys_mbind+0x473/0x4f0 [ 130.041090][ T8222] do_syscall_64+0x55/0xc0 [ 130.045491][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.051367][ T8222] ===================================================== [ 130.058284][ T8222] Disabling lock debugging due to kernel taint [ 130.064414][ T8222] Kernel panic - not syncing: panic_on_kmsan set ... [ 130.071070][ T8222] CPU: 0 PID: 8222 Comm: syz-executor005 Tainted: G B 5.13.0-syzkaller #0 [ 130.080856][ T8222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.090943][ T8222] Call Trace: [ 130.094252][ T8222] dump_stack+0x25a/0x2f6 [ 130.098570][ T8222] panic+0x4c7/0xe98 [ 130.102471][ T8222] ? add_taint+0x187/0x210 [ 130.106960][ T8222] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 130.113114][ T8222] kmsan_report+0x2ee/0x300 [ 130.117603][ T8222] ? __msan_warning+0xd7/0x150 [ 130.122369][ T8222] ? mbind_range+0x1cd5/0x2100 [ 130.127121][ T8222] ? do_mbind+0xf4f/0x15a0 [ 130.131519][ T8222] ? __x64_sys_mbind+0x473/0x4f0 [ 130.136441][ T8222] ? do_syscall_64+0x55/0xc0 [ 130.141013][ T8222] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.147075][ T8222] ? find_vma+0xa6/0x380 [ 130.151307][ T8222] __msan_warning+0xd7/0x150 [ 130.155883][ T8222] mbind_range+0x1cd5/0x2100 [ 130.160468][ T8222] do_mbind+0xf4f/0x15a0 [ 130.164711][ T8222] ? do_syscall_64+0x55/0xc0 [ 130.169293][ T8222] __x64_sys_mbind+0x473/0x4f0 [ 130.174044][ T8222] do_syscall_64+0x55/0xc0 [ 130.178462][ T8222] ? asm_exc_page_fault+0x8/0x30 [ 130.183388][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.189267][ T8222] RIP: 0033:0x7fb05b4db829 [ 130.193661][ T8222] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 [ 130.213265][ T8222] RSP: 002b:00007fb05b48d308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 130.221660][ T8222] RAX: ffffffffffffffda RBX: 00007fb05b5633e8 RCX: 00007fb05b4db829 [ 130.229612][ T8222] RDX: 0000000000002001 RSI: 0000000000c00000 RDI: 0000000020012000 [ 130.237563][ T8222] RBP: 00007fb05b5633e0 R08: 0000000000000000 R09: 0000010000000002 [ 130.245603][ T8222] R10: 0000000000000000 R11: 0000000000000246 R12: 0000010000000002 [ 130.253658][ T8222] R13: 00007ffe3188981f R14: 00007fb05b48d400 R15: 0000000000022000 [ 130.261862][ T8222] Kernel Offset: disabled [ 130.266177][ T8222] Rebooting in 86400 seconds..