[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 12.972695] audit: type=1400 audit(1515595511.097:6): avc: denied { map } for pid=3481 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 '10.128.15.206' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.873672] audit: type=1400 audit(1515595533.998:7): avc: denied { map } for pid=3500 comm="syzkaller943466" path="/root/syzkaller943466310" 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 [ 35.880267] tc_ctl_action: received NO action attribs [ 35.880394] WARNING: CPU: 0 PID: 3500 at net/netlink/af_netlink.c:2398 netlink_ack+0x625/0xa10 [ 35.880398] Kernel panic - not syncing: panic_on_warn set ... [ 35.880398] [ 35.880403] CPU: 0 PID: 3500 Comm: syzkaller943466 Not tainted 4.15.0-rc7+ #181 [ 35.880406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.880408] Call Trace: [ 35.880415] dump_stack+0x194/0x257 [ 35.880423] ? arch_local_irq_restore+0x53/0x53 [ 35.880432] ? vsnprintf+0x1ed/0x1900 [ 35.880442] panic+0x1e4/0x41c [ 35.880447] ? refcount_error_report+0x214/0x214 [ 35.880454] ? show_regs_print_info+0x18/0x18 [ 35.880465] ? __warn+0x1c1/0x200 [ 35.880473] ? netlink_ack+0x625/0xa10 [ 35.880477] __warn+0x1dc/0x200 [ 35.880482] ? netlink_ack+0x625/0xa10 [ 35.880489] report_bug+0x211/0x2d0 [ 35.880500] fixup_bug.part.11+0x37/0x80 [ 35.880506] do_error_trap+0x2d7/0x3e0 [ 35.880516] ? math_error+0x400/0x400 [ 35.880523] ? __alloc_skb+0x57e/0x780 [ 35.880531] ? skb_copy_and_csum_dev+0x370/0x370 [ 35.880542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.880551] do_invalid_op+0x1b/0x20 [ 35.880557] invalid_op+0x22/0x40 [ 35.880561] RIP: 0010:netlink_ack+0x625/0xa10 [ 35.880564] RSP: 0018:ffff8801c027f790 EFLAGS: 00010293 [ 35.880568] RAX: ffff8801ca9ee580 RBX: ffff8801c2f31700 RCX: ffffffff8457a135 [ 35.880571] RDX: 0000000000000000 RSI: ffff8801c03af770 RDI: ffff8801c2f317d8 [ 35.880573] RBP: ffff8801c027f848 R08: ffffed003815cb0d R09: ffffed003815cb0d [ 35.880576] R10: 0000000000000003 R11: ffffed003815cb0c R12: ffff8801c03af740 [ 35.880579] R13: ffff8801c0ae5840 R14: ffff8801c2f31480 R15: 1ffff1003804fef8 [ 35.880590] ? netlink_ack+0x625/0xa10 [ 35.880606] ? netlink_sendmsg+0xe60/0xe60 [ 35.880614] ? netlink_tap_init_net+0x350/0x350 [ 35.880624] netlink_rcv_skb+0x375/0x470 [ 35.880629] ? validate_linkmsg+0x8e0/0x8e0 [ 35.880636] ? netlink_ack+0xa10/0xa10 [ 35.880644] ? netlink_skb_destructor+0x1d0/0x1d0 [ 35.880656] rtnetlink_rcv+0x1c/0x20 [ 35.880661] netlink_unicast+0x4c4/0x6b0 [ 35.880671] ? netlink_attachskb+0x8a0/0x8a0 [ 35.880686] netlink_sendmsg+0xa4a/0xe60 [ 35.880698] ? netlink_unicast+0x6b0/0x6b0 [ 35.880707] ? security_socket_sendmsg+0x89/0xb0 [ 35.880713] ? netlink_unicast+0x6b0/0x6b0 [ 35.880721] sock_sendmsg+0xca/0x110 [ 35.880728] ___sys_sendmsg+0x767/0x8b0 [ 35.880738] ? copy_msghdr_from_user+0x590/0x590 [ 35.880763] ? __fget_light+0x297/0x380 [ 35.880769] ? fget_raw+0x20/0x20 [ 35.880777] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.880780] ? vmacache_find+0x5f/0x280 [ 35.880793] ? up_read+0x1a/0x40 [ 35.880800] ? __do_page_fault+0x3d6/0xc90 [ 35.880805] ? lock_release+0xa40/0xa40 [ 35.880815] ? __fdget+0x18/0x20 [ 35.880825] __sys_sendmsg+0xe5/0x210 [ 35.880829] ? __sys_sendmsg+0xe5/0x210 [ 35.880835] ? SyS_shutdown+0x290/0x290 [ 35.880842] ? __do_page_fault+0xc90/0xc90 [ 35.880851] ? SyS_setsockopt+0x215/0x360 [ 35.880866] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.880877] SyS_sendmsg+0x2d/0x50 [ 35.880886] entry_SYSCALL_64_fastpath+0x23/0x9a [ 35.880891] RIP: 0033:0x440c39 [ 35.880894] RSP: 002b:00007ffd8dfe2dc8 EFLAGS: 00000217 ORIG_RAX: 000000000000002e [ 35.880900] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440c39 [ 35.880902] RDX: 0000000000008800 RSI: 00000000201dcfc8 RDI: 0000000000000003 [ 35.880904] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 35.880907] R10: 0000000000000004 R11: 0000000000000217 R12: 00000000004025a0 [ 35.880909] R13: 0000000000402630 R14: 0000000000000000 R15: 0000000000000000 [ 35.899884] Dumping ftrace buffer: [ 35.899942] (ftrace buffer empty) [ 35.899945] Kernel Offset: disabled [ 36.255432] Rebooting in 86400 seconds..