[ OK ] Started System Logging Service. [*** ] A start job is running for OpenBSD …Shell server (1min 20s / 2min 37s)[ *** ] A start job is running for OpenBSD …Shell server (1min 21s / 2min 50s)[ 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 '10.128.1.65' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 131.953585][ T6366] ===================================================== [ 131.960692][ T6366] BUG: KMSAN: uninit-value in mbind_range+0x1a46/0x1e80 [ 131.967688][ T6366] mbind_range+0x1a46/0x1e80 [ 131.972406][ T6366] do_mbind+0xf42/0x15f0 [ 131.976649][ T6366] __se_sys_mbind+0x437/0xb80 [ 131.981316][ T6366] __x64_sys_mbind+0x19d/0x200 [ 131.986080][ T6366] do_syscall_64+0x54/0xd0 [ 131.990495][ T6366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 131.996389][ T6366] [ 131.998694][ T6366] Uninit was created at: [ 132.003016][ T6366] kmem_cache_alloc+0x751/0xff0 [ 132.008151][ T6366] do_mbind+0x912/0x15f0 [ 132.012404][ T6366] __se_sys_mbind+0x437/0xb80 [ 132.017079][ T6366] __x64_sys_mbind+0x19d/0x200 [ 132.021833][ T6366] do_syscall_64+0x54/0xd0 [ 132.026324][ T6366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.032209][ T6366] ===================================================== [ 132.039119][ T6366] Disabling lock debugging due to kernel taint [ 132.045249][ T6366] Kernel panic - not syncing: panic_on_kmsan set ... [ 132.051913][ T6366] CPU: 0 PID: 6366 Comm: syz-executor320 Tainted: G B 5.15.0-rc2-syzkaller #0 [ 132.062253][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.072306][ T6366] Call Trace: [ 132.075578][ T6366] dump_stack_lvl+0x1ff/0x28e [ 132.080247][ T6366] dump_stack+0x25/0x28 [ 132.084394][ T6366] panic+0x44f/0xdeb [ 132.088274][ T6366] ? add_taint+0x187/0x210 [ 132.092682][ T6366] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 132.098829][ T6366] kmsan_report+0x2ee/0x300 [ 132.103325][ T6366] ? __msan_warning+0xd7/0x150 [ 132.108075][ T6366] ? mbind_range+0x1a46/0x1e80 [ 132.113000][ T6366] ? do_mbind+0xf42/0x15f0 [ 132.117403][ T6366] ? __se_sys_mbind+0x437/0xb80 [ 132.122239][ T6366] ? __x64_sys_mbind+0x19d/0x200 [ 132.127261][ T6366] ? do_syscall_64+0x54/0xd0 [ 132.131837][ T6366] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.137900][ T6366] __msan_warning+0xd7/0x150 [ 132.142480][ T6366] mbind_range+0x1a46/0x1e80 [ 132.147063][ T6366] do_mbind+0xf42/0x15f0 [ 132.151295][ T6366] ? __msan_memset+0x105/0x150 [ 132.156071][ T6366] __se_sys_mbind+0x437/0xb80 [ 132.160736][ T6366] __x64_sys_mbind+0x19d/0x200 [ 132.165487][ T6366] do_syscall_64+0x54/0xd0 [ 132.169887][ T6366] ? syscall_exit_to_user_mode+0xa4/0xc0 [ 132.175519][ T6366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.181405][ T6366] RIP: 0033:0x7f74ec785829 [ 132.185802][ T6366] 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 [ 132.205490][ T6366] RSP: 002b:00007f74ec737308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 132.213898][ T6366] RAX: ffffffffffffffda RBX: 00007f74ec80d3e8 RCX: 00007f74ec785829 [ 132.221867][ T6366] RDX: 0000000000002001 RSI: 0000000000c00007 RDI: 0000000020012000 [ 132.229825][ T6366] RBP: 00007f74ec80d3e0 R08: 0000000000000000 R09: 0000010000000002 [ 132.238042][ T6366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000010000000002 [ 132.245997][ T6366] R13: 00007ffd44e3340f R14: 00007f74ec737400 R15: 0000000000022000 [ 132.254213][ T6366] Kernel Offset: disabled [ 132.258524][ T6366] Rebooting in 86400 seconds..