INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.878217] ================================================================== [ 31.885627] BUG: KMSAN: uninit-value in alg_bind+0xe3/0xd90 [ 31.891324] CPU: 1 PID: 3582 Comm: syzkaller098771 Not tainted 4.16.0+ #82 [ 31.898321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.907661] Call Trace: [ 31.910242] dump_stack+0x185/0x1d0 [ 31.913867] ? alg_bind+0xe3/0xd90 [ 31.917391] kmsan_report+0x142/0x240 [ 31.921175] __msan_warning_32+0x6c/0xb0 [ 31.925232] alg_bind+0xe3/0xd90 [ 31.928580] ? alg_sock_destruct+0x160/0x160 [ 31.932972] SYSC_bind+0x3f2/0x4b0 [ 31.936511] SyS_bind+0x54/0x80 [ 31.939778] do_syscall_64+0x309/0x430 [ 31.943669] ? SYSC_socketpair+0x14a0/0x14a0 [ 31.948075] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 31.953246] RIP: 0033:0x43fd69 [ 31.956410] RSP: 002b:00007ffe7e0b4ca8 EFLAGS: 00000213 ORIG_RAX: 0000000000000031 [ 31.964100] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd69 [ 31.971352] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 31.978600] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 31.985855] R10: 00000000004002c8 R11: 0000000000000213 R12: 0000000000401690 [ 31.993112] R13: 0000000000401720 R14: 0000000000000000 R15: 0000000000000000 [ 32.000378] [ 32.001991] Local variable description: ----address@SYSC_bind [ 32.007855] Variable was created at: [ 32.011560] SYSC_bind+0x6f/0x4b0 [ 32.015003] SyS_bind+0x54/0x80 [ 32.018291] ================================================================== [ 32.025628] Disabling lock debugging due to kernel taint [ 32.031067] Kernel panic - not syncing: panic_on_warn set ... [ 32.031067] [ 32.038423] CPU: 1 PID: 3582 Comm: syzkaller098771 Tainted: G B 4.16.0+ #82 [ 32.046716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.056063] Call Trace: [ 32.058664] dump_stack+0x185/0x1d0 [ 32.062314] panic+0x39d/0x940 [ 32.065501] ? alg_bind+0xe3/0xd90 [ 32.069045] kmsan_report+0x238/0x240 [ 32.072847] __msan_warning_32+0x6c/0xb0 [ 32.076897] alg_bind+0xe3/0xd90 [ 32.080247] ? alg_sock_destruct+0x160/0x160 [ 32.084643] SYSC_bind+0x3f2/0x4b0 [ 32.088172] SyS_bind+0x54/0x80 [ 32.091438] do_syscall_64+0x309/0x430 [ 32.095322] ? SYSC_socketpair+0x14a0/0x14a0 [ 32.099733] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 32.104905] RIP: 0033:0x43fd69 [ 32.108076] RSP: 002b:00007ffe7e0b4ca8 EFLAGS: 00000213 ORIG_RAX: 0000000000000031 [ 32.115770] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd69 [ 32.123029] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 32.130291] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 32.137544] R10: 00000000004002c8 R11: 0000000000000213 R12: 0000000000401690 [ 32.144796] R13: 0000000000401720 R14: 0000000000000000 R15: 0000000000000000 [ 32.152539] Dumping ftrace buffer: [ 32.156060] (ftrace buffer empty) [ 32.159749] Kernel Offset: disabled [ 32.163353] Rebooting in 86400 seconds..