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 '10.128.0.12' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 38.067859] syzkaller639899 invoked oom-killer: gfp_mask=0x14202c2(GFP_HIGHUSER|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 38.080382] syzkaller639899 cpuset=/ mems_allowed=0 [ 38.085520] CPU: 1 PID: 3439 Comm: syzkaller639899 Not tainted 4.16.0+ #83 [ 38.092557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.101902] Call Trace: [ 38.104495] dump_stack+0x185/0x1d0 [ 38.108136] dump_header+0x2cc/0x16f0 [ 38.111936] ? __msan_poison_alloca+0x15c/0x1d0 [ 38.116587] ================================================================== [ 38.123931] BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0 [ 38.130662] CPU: 1 PID: 3439 Comm: syzkaller639899 Not tainted 4.16.0+ #83 [ 38.137646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.146978] Call Trace: [ 38.149558] dump_stack+0x14a/0x1d0 [ 38.153258] ? kernel_text_address+0x248/0x3a0 [ 38.157820] kmsan_report+0x142/0x240 [ 38.161598] __msan_warning_32+0x6c/0xb0 [ 38.165638] kernel_text_address+0x248/0x3a0 [ 38.170250] __kernel_text_address+0x34/0xe0 [ 38.174642] show_trace_log_lvl+0x954/0x1030 [ 38.179041] ? oom_kill_process+0x341/0x2160 [ 38.183438] show_stack+0xfc/0x150 [ 38.186957] ? print_worker_info+0x1b0/0x660 [ 38.191343] dump_stack+0x185/0x1d0 [ 38.194950] dump_header+0x2cc/0x16f0 [ 38.198729] ? __msan_poison_alloca+0x15c/0x1d0 [ 38.203376] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 38.208804] ? ___ratelimit+0x67f/0x760 [ 38.212757] oom_kill_process+0x341/0x2160 [ 38.216972] ? oom_evaluate_task+0x845/0xb60 [ 38.221361] out_of_memory+0x1700/0x1da0 [ 38.225401] __alloc_pages_nodemask+0x4ee3/0x5dc0 [ 38.230231] alloc_pages_current+0x6b5/0x970 [ 38.234626] __vmalloc_node_range+0x80f/0x1140 [ 38.239188] ? sctp_setsockopt+0x1190/0x10820 [ 38.243667] __vmalloc_node_flags_caller+0x102/0x120 [ 38.248748] ? sctp_setsockopt+0x119e/0x10820 [ 38.253221] ? sctp_setsockopt+0x119e/0x10820 [ 38.257694] vmemdup_user+0x1c8/0x430 [ 38.261475] ? sock_common_setsockopt+0x50/0x170 [ 38.266207] sctp_setsockopt+0x119e/0x10820 [ 38.270504] ? kmsan_set_origin_inline+0x6b/0x120 [ 38.275327] ? __msan_poison_alloca+0x15c/0x1d0 [ 38.279975] ? __fdget+0x4e/0x60 [ 38.283317] ? __fget_light+0x56/0x710 [ 38.287179] ? __fget_light+0x1dc/0x710 [ 38.291135] ? sctp_shutdown+0x270/0x270 [ 38.295177] sock_common_setsockopt+0x136/0x170 [ 38.299838] ? sock_common_recvmsg+0x270/0x270 [ 38.304421] SYSC_setsockopt+0x4b8/0x570 [ 38.308484] SyS_setsockopt+0x76/0xa0 [ 38.312279] do_syscall_64+0x309/0x430 [ 38.316153] ? SYSC_recv+0xe0/0xe0 [ 38.319675] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 38.324840] RIP: 0033:0x4400e9 [ 38.328007] RSP: 002b:00007ffd2ec18b88 EFLAGS: 00000213 ORIG_RAX: 0000000000000036 [ 38.335700] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400e9 [ 38.342949] RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000003 [ 38.350195] RBP: 00000000006ca018 R08: 000000006168703f R09: 00000000006ca018 [ 38.357439] R10: 0000000020000000 R11: 0000000000000213 R12: 0000000000401610 [ 38.364685] R13: 00000000004016a0 R14: 0000000000000000 R15: 0000000000000000 [ 38.371933] [ 38.373540] Local variable description: ----oc.i.i@__alloc_pages_nodemask [ 38.380434] Variable was created at: [ 38.384130] __alloc_pages_nodemask+0x10f/0x5dc0 [ 38.388864] alloc_pages_current+0x6b5/0x970 [ 38.393252] ================================================================== [ 38.400592] Disabling lock debugging due to kernel taint [ 38.406022] Kernel panic - not syncing: panic_on_warn set ... [ 38.406022] [ 38.413372] CPU: 1 PID: 3439 Comm: syzkaller639899 Tainted: G B 4.16.0+ #83 [ 38.421660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.430988] Call Trace: [ 38.433561] dump_stack+0x14a/0x1d0 [ 38.437167] panic+0x39d/0x940 [ 38.440347] ? kernel_text_address+0x248/0x3a0 [ 38.444905] kmsan_report+0x238/0x240 [ 38.448683] __msan_warning_32+0x6c/0xb0 [ 38.452721] kernel_text_address+0x248/0x3a0 [ 38.457110] __kernel_text_address+0x34/0xe0 [ 38.461498] show_trace_log_lvl+0x954/0x1030 [ 38.465885] ? oom_kill_process+0x341/0x2160 [ 38.470273] show_stack+0xfc/0x150 [ 38.473791] ? print_worker_info+0x1b0/0x660 [ 38.478176] dump_stack+0x185/0x1d0 [ 38.481779] dump_header+0x2cc/0x16f0 [ 38.485559] ? __msan_poison_alloca+0x15c/0x1d0 [ 38.490206] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 38.495634] ? ___ratelimit+0x67f/0x760 [ 38.499592] oom_kill_process+0x341/0x2160 [ 38.503807] ? oom_evaluate_task+0x845/0xb60 [ 38.508195] out_of_memory+0x1700/0x1da0 [ 38.512237] __alloc_pages_nodemask+0x4ee3/0x5dc0 [ 38.517080] alloc_pages_current+0x6b5/0x970 [ 38.521470] __vmalloc_node_range+0x80f/0x1140 [ 38.526043] ? sctp_setsockopt+0x1190/0x10820 [ 38.530528] __vmalloc_node_flags_caller+0x102/0x120 [ 38.535609] ? sctp_setsockopt+0x119e/0x10820 [ 38.540092] ? sctp_setsockopt+0x119e/0x10820 [ 38.544566] vmemdup_user+0x1c8/0x430 [ 38.548346] ? sock_common_setsockopt+0x50/0x170 [ 38.553080] sctp_setsockopt+0x119e/0x10820 [ 38.557380] ? kmsan_set_origin_inline+0x6b/0x120 [ 38.562204] ? __msan_poison_alloca+0x15c/0x1d0 [ 38.566849] ? __fdget+0x4e/0x60 [ 38.570198] ? __fget_light+0x56/0x710 [ 38.574062] ? __fget_light+0x1dc/0x710 [ 38.578025] ? sctp_shutdown+0x270/0x270 [ 38.582079] sock_common_setsockopt+0x136/0x170 [ 38.586730] ? sock_common_recvmsg+0x270/0x270 [ 38.591289] SYSC_setsockopt+0x4b8/0x570 [ 38.595327] SyS_setsockopt+0x76/0xa0 [ 38.599105] do_syscall_64+0x309/0x430 [ 38.602983] ? SYSC_recv+0xe0/0xe0 [ 38.606512] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 38.611678] RIP: 0033:0x4400e9 [ 38.614841] RSP: 002b:00007ffd2ec18b88 EFLAGS: 00000213 ORIG_RAX: 0000000000000036 [ 38.622522] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400e9 [ 38.629772] RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000003 [ 38.637023] RBP: 00000000006ca018 R08: 000000006168703f R09: 00000000006ca018 [ 38.644276] R10: 0000000020000000 R11: 0000000000000213 R12: 0000000000401610 [ 38.651519] R13: 00000000004016a0 R14: 0000000000000000 R15: 0000000000000000 [ 38.659254] Dumping ftrace buffer: [ 38.662769] (ftrace buffer empty) [ 38.666451] Kernel Offset: disabled [ 38.670052] Rebooting in 86400 seconds..