[ *** ] A start job is running for OpenBSD …Shell server (1min 20s / 2min 38s)[*** ] A start job is running for OpenBSD …Shell server (1min 21s / 2min 38s)[** ] A start job is running for OpenBSD …Shell server (1min 22s / 2min 51s)[ 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 Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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 '10.128.0.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 133.696101][ T6366] ===================================================== [ 133.703132][ T6366] BUG: KMSAN: uninit-value in mbind_range+0x1a46/0x1e80 [ 133.710063][ T6366] mbind_range+0x1a46/0x1e80 [ 133.714645][ T6366] do_mbind+0xf42/0x15f0 [ 133.718873][ T6366] __se_sys_mbind+0x437/0xb80 [ 133.723534][ T6366] __x64_sys_mbind+0x19d/0x200 [ 133.728284][ T6366] do_syscall_64+0x54/0xd0 [ 133.732682][ T6366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.738561][ T6366] [ 133.740865][ T6366] Uninit was created at: [ 133.745117][ T6366] kmem_cache_alloc+0x751/0xff0 [ 133.749979][ T6366] do_mbind+0x912/0x15f0 [ 133.754220][ T6366] __se_sys_mbind+0x437/0xb80 [ 133.758888][ T6366] __x64_sys_mbind+0x19d/0x200 [ 133.763638][ T6366] do_syscall_64+0x54/0xd0 [ 133.768043][ T6366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.773925][ T6366] ===================================================== [ 133.780834][ T6366] Disabling lock debugging due to kernel taint [ 133.787341][ T6366] Kernel panic - not syncing: panic_on_kmsan set ... [ 133.794017][ T6366] CPU: 1 PID: 6366 Comm: syz-executor464 Tainted: G B 5.15.0-rc2-syzkaller #0 [ 133.804186][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.814248][ T6366] Call Trace: [ 133.817526][ T6366] dump_stack_lvl+0x1ff/0x28e [ 133.822227][ T6366] dump_stack+0x25/0x28 [ 133.826398][ T6366] panic+0x44f/0xdeb [ 133.830288][ T6366] ? add_taint+0x187/0x210 [ 133.834719][ T6366] ? add_taint+0x187/0x210 [ 133.839190][ T6366] kmsan_report+0x2ee/0x300 [ 133.843683][ T6366] ? kmsan_get_shadow_origin_ptr+0x90/0xc0 [ 133.849482][ T6366] ? __msan_warning+0xa9/0xf0 [ 133.854147][ T6366] ? mbind_range+0x1a46/0x1e80 [ 133.858901][ T6366] ? do_mbind+0xf42/0x15f0 [ 133.863431][ T6366] ? __se_sys_mbind+0x437/0xb80 [ 133.868273][ T6366] ? __x64_sys_mbind+0x19d/0x200 [ 133.873221][ T6366] ? do_syscall_64+0x54/0xd0 [ 133.877795][ T6366] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.883851][ T6366] ? find_vma+0xa6/0x380 [ 133.888095][ T6366] __msan_warning+0xa9/0xf0 [ 133.892586][ T6366] mbind_range+0x1a46/0x1e80 [ 133.897167][ T6366] do_mbind+0xf42/0x15f0 [ 133.901398][ T6366] __se_sys_mbind+0x437/0xb80 [ 133.906066][ T6366] __x64_sys_mbind+0x19d/0x200 [ 133.910841][ T6366] do_syscall_64+0x54/0xd0 [ 133.915241][ T6366] ? exc_page_fault+0x76/0x120 [ 133.920017][ T6366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.925895][ T6366] RIP: 0033:0x7f9152359829 [ 133.930291][ 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 [ 133.949881][ T6366] RSP: 002b:00007f915230b308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 133.958277][ T6366] RAX: ffffffffffffffda RBX: 00007f91523e13e8 RCX: 00007f9152359829 [ 133.966232][ T6366] RDX: 0000000000002001 RSI: 0000000000c00007 RDI: 0000000020012000 [ 133.974184][ T6366] RBP: 00007f91523e13e0 R08: 0000000000000000 R09: 0000010000000002 [ 133.982138][ T6366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000010000000002 [ 133.990091][ T6366] R13: 00007fff0154d06f R14: 00007f915230b400 R15: 0000000000022000 [ 133.998303][ T6366] Kernel Offset: disabled [ 134.002614][ T6366] Rebooting in 86400 seconds..