[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 12.583543] audit: type=1400 audit(1515595873.186:6): avc: denied { map } for pid=3484 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 18.776609] audit: type=1400 audit(1515595879.379:7): avc: denied { map } for pid=3498 comm="syzkaller002174" path="/root/syzkaller002174137" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 18.781575] tc_ctl_action: received NO action attribs [ 18.781753] WARNING: CPU: 0 PID: 3498 at net/netlink/af_netlink.c:2365 netlink_ack+0x625/0xa10 [ 18.781758] Kernel panic - not syncing: panic_on_warn set ... [ 18.781758] [ 18.781765] CPU: 0 PID: 3498 Comm: syzkaller002174 Not tainted 4.15.0-rc7+ #256 [ 18.781769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.781771] Call Trace: [ 18.781781] dump_stack+0x194/0x257 [ 18.781794] ? arch_local_irq_restore+0x53/0x53 [ 18.781809] ? vsnprintf+0x1ed/0x1900 [ 18.781825] panic+0x1e4/0x41c [ 18.781833] ? refcount_error_report+0x214/0x214 [ 18.781841] ? show_regs_print_info+0x18/0x18 [ 18.781859] ? __warn+0x1c1/0x200 [ 18.781871] ? netlink_ack+0x625/0xa10 [ 18.781877] __warn+0x1dc/0x200 [ 18.781885] ? netlink_ack+0x625/0xa10 [ 18.781897] report_bug+0x211/0x2d0 [ 18.781915] fixup_bug.part.11+0x37/0x80 [ 18.781925] do_error_trap+0x2d7/0x3e0 [ 18.781939] ? math_error+0x400/0x400 [ 18.781949] ? __alloc_skb+0x57e/0x780 [ 18.781962] ? skb_copy_and_csum_dev+0x370/0x370 [ 18.781975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 18.781991] do_invalid_op+0x1b/0x20 [ 18.781999] invalid_op+0x22/0x40 [ 18.782009] RIP: 0010:netlink_ack+0x625/0xa10 [ 18.782013] RSP: 0018:ffff8801bfd8f790 EFLAGS: 00010293 [ 18.782019] RAX: ffff8801c00560c0 RBX: ffff8801d404dc00 RCX: ffffffff8455ad75 [ 18.782024] RDX: 0000000000000000 RSI: ffff8801c03a3530 RDI: ffff8801d404dcd8 [ 18.782028] RBP: ffff8801bfd8f848 R08: ffffed0038e8f55d R09: ffffed0038e8f55d [ 18.782032] R10: 0000000000000003 R11: ffffed0038e8f55c R12: ffff8801c03a3500 [ 18.782036] R13: ffff8801c747aac0 R14: ffff8801d404d980 R15: 1ffff10037fb1ef8 [ 18.782055] ? netlink_ack+0x625/0xa10 [ 18.782080] ? netlink_sendmsg+0xe60/0xe60 [ 18.782088] ? netlink_deliver_tap+0x171/0xcf0 [ 18.782108] netlink_rcv_skb+0x375/0x470 [ 18.782118] ? validate_linkmsg+0x8e0/0x8e0 [ 18.782128] ? netlink_ack+0xa10/0xa10 [ 18.782141] ? netlink_skb_destructor+0x1d0/0x1d0 [ 18.782161] rtnetlink_rcv+0x1c/0x20 [ 18.782170] netlink_unicast+0x4ee/0x700 [ 18.782186] ? netlink_attachskb+0x8a0/0x8a0 [ 18.782209] netlink_sendmsg+0xa4a/0xe60 [ 18.782228] ? netlink_unicast+0x700/0x700 [ 18.782243] ? security_socket_sendmsg+0x89/0xb0 [ 18.782251] ? netlink_unicast+0x700/0x700 [ 18.782263] sock_sendmsg+0xca/0x110 [ 18.782279] ___sys_sendmsg+0x767/0x8b0 [ 18.782296] ? copy_msghdr_from_user+0x590/0x590 [ 18.782351] ? __fget_light+0x297/0x380 [ 18.782363] ? fget_raw+0x20/0x20 [ 18.782374] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 18.782380] ? vmacache_find+0x5f/0x280 [ 18.782404] ? up_read+0x1a/0x40 [ 18.782419] ? __do_page_fault+0x3d6/0xc90 [ 18.782426] ? lock_release+0xa40/0xa40 [ 18.782454] ? __fdget+0x18/0x20 [ 18.782474] __sys_sendmsg+0xe5/0x210 [ 18.782484] ? __sys_sendmsg+0xe5/0x210 [ 18.782497] ? SyS_shutdown+0x290/0x290 [ 18.782515] ? __do_page_fault+0xc90/0xc90 [ 18.782532] ? SyS_setsockopt+0x215/0x360 [ 18.782571] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 18.782603] SyS_sendmsg+0x2d/0x50 [ 18.782619] entry_SYSCALL_64_fastpath+0x23/0x9a [ 18.782630] RIP: 0033:0x440c39 [ 18.782633] RSP: 002b:00007ffeab2f1f98 EFLAGS: 00000217 ORIG_RAX: 000000000000002e [ 18.782640] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440c39 [ 18.782647] RDX: 0000000000008800 RSI: 00000000201dcfc8 RDI: 0000000000000003 [ 18.782653] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 18.782657] R10: 0000000000000004 R11: 0000000000000217 R12: 00000000004025a0 [ 18.782660] R13: 0000000000402630 R14: 0000000000000000 R15: 0000000000000000 [ 18.802923] Dumping ftrace buffer: [ 18.802975] (ftrace buffer empty) [ 18.802978] Kernel Offset: disabled [ 19.157392] Rebooting in 86400 seconds..