[....] Starting enhanced syslogd: rsyslogd[ 10.236888] audit: type=1400 audit(1514082106.491:5): avc: denied { syslog } for pid=2989 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 12.268682] audit: type=1400 audit(1514082108.523:6): avc: denied { map } for pid=3127 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 Warning: Permanently added 'ci-upstream-next-kasan-gce-0,10.128.0.43' (ECDSA) to the list of known hosts. [ 18.419930] audit: type=1400 audit(1514082114.674:7): avc: denied { map } for pid=3141 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/24 02:21:54 parsed 1 programs 2017/12/24 02:21:54 executed programs: 0 [ 18.536984] audit: type=1400 audit(1514082114.791:8): avc: denied { map } for pid=3141 comm="syz-execprog" path="/root/syzkaller-shm101206000" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 18.629625] audit: type=1400 audit(1514082114.884:9): avc: denied { prog_load } for pid=3162 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 18.657261] audit: type=1400 audit(1514082114.910:10): avc: denied { prog_run } for pid=3162 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 18.986246] WARNING: CPU: 1 PID: 3252 at ./include/net/sock.h:1510 strp_data_ready+0x2b7/0x390 [ 18.995047] Kernel panic - not syncing: panic_on_warn set ... [ 18.995047] [ 19.002382] CPU: 1 PID: 3252 Comm: syz-executor6 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 19.010750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.020098] Call Trace: [ 19.022661] dump_stack+0x194/0x257 [ 19.026359] ? arch_local_irq_restore+0x53/0x53 [ 19.031007] ? vsnprintf+0x1ed/0x1900 [ 19.034789] panic+0x1e4/0x41c [ 19.037954] ? refcount_error_report+0x214/0x214 [ 19.042681] ? show_regs_print_info+0x18/0x18 [ 19.047154] ? __warn+0x1c1/0x200 [ 19.050592] ? strp_data_ready+0x2b7/0x390 [ 19.054801] __warn+0x1dc/0x200 [ 19.058052] ? strp_data_ready+0x2b7/0x390 [ 19.062261] report_bug+0x211/0x2d0 [ 19.065872] fixup_bug.part.11+0x37/0x80 [ 19.069904] do_error_trap+0x2d7/0x3e0 [ 19.073766] ? math_error+0x400/0x400 [ 19.077539] ? check_noncircular+0x20/0x20 [ 19.081765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.086584] do_invalid_op+0x1b/0x20 [ 19.090266] invalid_op+0x22/0x40 [ 19.093690] RIP: 0010:strp_data_ready+0x2b7/0x390 [ 19.098500] RSP: 0018:ffff8801d0d77800 EFLAGS: 00010293 [ 19.103836] RAX: ffff8801bdb82500 RBX: ffff8801c7d23448 RCX: ffffffff84bbc257 [ 19.111093] RDX: 0000000000000000 RSI: ffff8801c7d010a0 RDI: ffffffff866e58a0 [ 19.118343] RBP: ffff8801d0d77820 R08: 1ffff1003a1aee45 R09: 1ffffffff0e2c3c1 [ 19.127407] R10: ffff8801d0d776e8 R11: ffffed003a1aee30 R12: ffff8801c7d01000 [ 19.134649] R13: ffff8801c7d23450 R14: ffff8801d0d77988 R15: ffff8801c7d01000 [ 19.141910] ? strp_data_ready+0x2b7/0x390 [ 19.146134] psock_data_ready+0x56/0x70 [ 19.150081] unix_dgram_sendmsg+0xa72/0x1600 [ 19.154477] ? unix_shutdown+0x870/0x870 [ 19.158540] ? security_socket_sendmsg+0x89/0xb0 [ 19.163276] ? unix_shutdown+0x870/0x870 [ 19.167311] sock_sendmsg+0xca/0x110 [ 19.170998] sock_write_iter+0x31a/0x5d0 [ 19.175036] ? sock_sendmsg+0x110/0x110 [ 19.178999] ? bpf_fd_pass+0x280/0x280 [ 19.182860] ? ___might_sleep+0x43c/0x470 [ 19.186982] do_iter_readv_writev+0x525/0x7f0 [ 19.191453] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 19.196186] ? rw_verify_area+0xe5/0x2b0 [ 19.200224] do_iter_write+0x154/0x540 [ 19.204092] ? dup_iter+0x260/0x260 [ 19.207691] ? __lock_is_held+0xb6/0x140 [ 19.211736] vfs_writev+0x18a/0x340 [ 19.215333] ? __fget_light+0x297/0x380 [ 19.219281] ? vfs_iter_write+0xb0/0xb0 [ 19.223227] ? get_unused_fd_flags+0x190/0x190 [ 19.227792] ? sock_alloc_file+0x2a6/0x560 [ 19.232011] ? sock_release+0x1e0/0x1e0 [ 19.235960] ? __fdget_pos+0x130/0x190 [ 19.239818] ? __fdget_raw+0x20/0x20 [ 19.243499] ? init_peercred+0x11e/0x1e0 [ 19.247539] do_writev+0xfc/0x2a0 [ 19.250962] ? do_writev+0xfc/0x2a0 [ 19.254564] ? vfs_writev+0x340/0x340 [ 19.258336] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 19.263151] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 19.268142] SyS_writev+0x27/0x30 [ 19.271567] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.276291] RIP: 0033:0x452ac9 [ 19.279450] RSP: 002b:00007f8bf18ecc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000014 [ 19.287126] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 19.294374] RDX: 0000000000000001 RSI: 0000000020d33000 RDI: 0000000000000003 [ 19.301613] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 19.308854] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 [ 19.316092] R13: 00000000ffffffff R14: 00007f8bf18ed6d4 R15: 0000000000000000 [ 19.324366] Dumping ftrace buffer: [ 19.328398] (ftrace buffer empty) [ 19.332166] Kernel Offset: disabled [ 19.335766] Rebooting in 86400 seconds..