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 '10.128.0.39' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 30.453353] FAULT_INJECTION: forcing a failure. [ 30.453353] name failslab, interval 1, probability 0, space 0, times 1 [ 30.464654] CPU: 1 PID: 3569 Comm: syzkaller903425 Not tainted 4.16.0+ #82 [ 30.471684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.481052] Call Trace: [ 30.482974] FAULT_INJECTION: forcing a failure. [ 30.482974] name failslab, interval 1, probability 0, space 0, times 1 [ 30.483659] dump_stack+0x185/0x1d0 [ 30.483722] should_fail+0x87b/0xab0 [ 30.502181] ================================================================== [ 30.509525] BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0 [ 30.516259] CPU: 1 PID: 3569 Comm: syzkaller903425 Not tainted 4.16.0+ #82 [ 30.523245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.532575] Call Trace: [ 30.535144] dump_stack+0x14a/0x1d0 [ 30.538756] ? kernel_text_address+0x248/0x3a0 [ 30.543317] kmsan_report+0x142/0x240 [ 30.547102] __msan_warning_32+0x6c/0xb0 [ 30.551148] kernel_text_address+0x248/0x3a0 [ 30.555549] __kernel_text_address+0x34/0xe0 [ 30.559941] show_trace_log_lvl+0x954/0x1030 [ 30.564330] ? should_failslab+0x279/0x2a0 [ 30.568556] show_stack+0xfc/0x150 [ 30.572079] ? print_worker_info+0x1b0/0x660 [ 30.576469] dump_stack+0x185/0x1d0 [ 30.580081] should_fail+0x87b/0xab0 [ 30.583778] should_failslab+0x279/0x2a0 [ 30.587821] kmem_cache_alloc_node+0x151/0xc70 [ 30.592386] ? __alloc_skb+0x203/0x9f0 [ 30.596257] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 30.601689] __alloc_skb+0x203/0x9f0 [ 30.605381] ? __msan_poison_alloca+0x15c/0x1d0 [ 30.610036] pfkey_sendmsg+0x29e/0x1950 [ 30.613996] ? import_iovec+0x3cd/0x610 [ 30.617959] ? copy_msghdr_from_user+0x72c/0x830 [ 30.622698] ? security_socket_sendmsg+0x5d/0x210 [ 30.627521] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 30.632862] ? security_socket_sendmsg+0x9e/0x210 [ 30.637687] ? pfkey_release+0x5c0/0x5c0 [ 30.641728] ___sys_sendmsg+0xec0/0x1310 [ 30.645773] ? __fdget+0x4e/0x60 [ 30.649119] ? __fget_light+0x56/0x710 [ 30.652986] ? __fdget+0x4e/0x60 [ 30.656335] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 30.661680] ? __fget_light+0x6b9/0x710 [ 30.665643] SYSC_sendmsg+0x2a3/0x3d0 [ 30.669432] SyS_sendmsg+0x54/0x80 [ 30.672951] do_syscall_64+0x309/0x430 [ 30.676822] ? ___sys_sendmsg+0x1310/0x1310 [ 30.681125] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 30.686295] RIP: 0033:0x445909 [ 30.689462] RSP: 002b:00007f33c59d2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.697150] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445909 [ 30.704400] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 30.711650] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000031 [ 30.718898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.726323] R13: 00007f33c59d2d80 R14: 00000000006dac20 R15: 0000000000000004 [ 30.733574] [ 30.735179] Local variable description: ----flags.i.i.i.i.i.i@__kmalloc [ 30.741901] Variable was created at: [ 30.745597] __kmalloc+0x3c/0x350 [ 30.749036] debugfs_file_get+0xce/0x650 [ 30.753072] ================================================================== [ 30.760402] Disabling lock debugging due to kernel taint [ 30.765826] Kernel panic - not syncing: panic_on_warn set ... [ 30.765826] [ 30.773171] CPU: 1 PID: 3569 Comm: syzkaller903425 Tainted: G B 4.16.0+ #82 [ 30.781464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.790793] Call Trace: [ 30.793360] dump_stack+0x14a/0x1d0 [ 30.796968] panic+0x39d/0x940 [ 30.800157] ? kernel_text_address+0x248/0x3a0 [ 30.804721] kmsan_report+0x238/0x240 [ 30.808502] __msan_warning_32+0x6c/0xb0 [ 30.812546] kernel_text_address+0x248/0x3a0 [ 30.816941] __kernel_text_address+0x34/0xe0 [ 30.821331] show_trace_log_lvl+0x954/0x1030 [ 30.825724] ? should_failslab+0x279/0x2a0 [ 30.829948] show_stack+0xfc/0x150 [ 30.833468] ? print_worker_info+0x1b0/0x660 [ 30.837855] dump_stack+0x185/0x1d0 [ 30.841462] should_fail+0x87b/0xab0 [ 30.845160] should_failslab+0x279/0x2a0 [ 30.849202] kmem_cache_alloc_node+0x151/0xc70 [ 30.853766] ? __alloc_skb+0x203/0x9f0 [ 30.857633] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 30.863064] __alloc_skb+0x203/0x9f0 [ 30.866757] ? __msan_poison_alloca+0x15c/0x1d0 [ 30.871412] pfkey_sendmsg+0x29e/0x1950 [ 30.875369] ? import_iovec+0x3cd/0x610 [ 30.879332] ? copy_msghdr_from_user+0x72c/0x830 [ 30.884066] ? security_socket_sendmsg+0x5d/0x210 [ 30.888889] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 30.894234] ? security_socket_sendmsg+0x9e/0x210 [ 30.899056] ? pfkey_release+0x5c0/0x5c0 [ 30.903096] ___sys_sendmsg+0xec0/0x1310 [ 30.907153] ? __fdget+0x4e/0x60 [ 30.910503] ? __fget_light+0x56/0x710 [ 30.914370] ? __fdget+0x4e/0x60 [ 30.917720] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 30.923062] ? __fget_light+0x6b9/0x710 [ 30.927027] SYSC_sendmsg+0x2a3/0x3d0 [ 30.930817] SyS_sendmsg+0x54/0x80 [ 30.934338] do_syscall_64+0x309/0x430 [ 30.938211] ? ___sys_sendmsg+0x1310/0x1310 [ 30.942517] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 30.947683] RIP: 0033:0x445909 [ 30.950854] RSP: 002b:00007f33c59d2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.958541] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445909 [ 30.965788] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 30.973035] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000031 [ 30.980285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.987536] R13: 00007f33c59d2d80 R14: 00000000006dac20 R15: 0000000000000004 [ 30.995230] Dumping ftrace buffer: [ 30.998741] (ftrace buffer empty) [ 31.002420] Kernel Offset: disabled [ 31.006016] Rebooting in 86400 seconds..