[....] Starting enhanced syslogd: rsyslogd[ 11.001460] audit: type=1400 audit(1514003225.133:5): avc: denied { syslog } for pid=2996 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 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.287419] audit: type=1400 audit(1514003231.419:6): avc: denied { map } for pid=3136 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-net-kasan-gce-1,10.128.0.19' (ECDSA) to the list of known hosts. [ 23.445836] audit: type=1400 audit(1514003237.577:7): avc: denied { map } for pid=3150 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 2017/12/23 04:27:17 parsed 1 programs 2017/12/23 04:27:17 executed programs: 0 [ 23.567588] audit: type=1400 audit(1514003237.696:8): avc: denied { map } for pid=3150 comm="syz-execprog" path="/root/syzkaller-shm756401414" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 23.655471] audit: type=1400 audit(1514003237.787:9): avc: denied { prog_load } for pid=3159 comm="syz-executor0" 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 [ 23.679395] audit: type=1400 audit(1514003237.811:10): avc: denied { prog_run } for pid=3159 comm="syz-executor0" 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 [ 23.703940] WARNING: CPU: 0 PID: 3160 at ./include/net/sock.h:1508 strp_data_ready+0x2b7/0x390 [ 23.712699] Kernel panic - not syncing: panic_on_warn set ... [ 23.712699] [ 23.720036] CPU: 0 PID: 3160 Comm: syz-executor0 Not tainted 4.15.0-rc4+ #164 [ 23.727275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.736594] Call Trace: [ 23.739150] dump_stack+0x194/0x257 [ 23.742748] ? arch_local_irq_restore+0x53/0x53 [ 23.747388] ? vsnprintf+0x1ed/0x1900 [ 23.751160] panic+0x1e4/0x41c [ 23.754323] ? refcount_error_report+0x214/0x214 [ 23.759043] ? show_regs_print_info+0x18/0x18 [ 23.763510] ? __warn+0x1c1/0x200 [ 23.766935] ? strp_data_ready+0x2b7/0x390 [ 23.771135] __warn+0x1dc/0x200 [ 23.774382] ? strp_data_ready+0x2b7/0x390 [ 23.778584] report_bug+0x211/0x2d0 [ 23.782187] fixup_bug.part.11+0x37/0x80 [ 23.786216] do_error_trap+0x2d7/0x3e0 [ 23.790076] ? math_error+0x400/0x400 [ 23.793845] ? check_noncircular+0x20/0x20 [ 23.798059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.802872] do_invalid_op+0x1b/0x20 [ 23.806553] invalid_op+0x22/0x40 [ 23.809981] RIP: 0010:strp_data_ready+0x2b7/0x390 [ 23.814790] RSP: 0018:ffff8801c8e37800 EFLAGS: 00010293 [ 23.820120] RAX: ffff8801cc5d8140 RBX: ffff8801bd0d7bc8 RCX: ffffffff84ae3e77 [ 23.827356] RDX: 0000000000000000 RSI: ffff8801ca0010e0 RDI: ffffffff860e45a0 [ 23.834591] RBP: ffff8801c8e37820 R08: 1ffff100391c6e45 R09: 1ffffffff0d6b1be [ 23.841826] R10: ffff8801c8e376e8 R11: ffffed00391c6e30 R12: ffff8801ca001040 [ 23.849062] R13: ffff8801bd0d7bd0 R14: ffff8801c8e37988 R15: ffff8801ca001040 [ 23.856313] ? strp_data_ready+0x2b7/0x390 [ 23.860522] psock_data_ready+0x56/0x70 [ 23.864465] unix_dgram_sendmsg+0xa72/0x1600 [ 23.868860] ? unix_shutdown+0x870/0x870 [ 23.872915] ? security_socket_sendmsg+0x89/0xb0 [ 23.877639] ? unix_shutdown+0x870/0x870 [ 23.881667] sock_sendmsg+0xca/0x110 [ 23.885362] sock_write_iter+0x31a/0x5d0 [ 23.889394] ? sock_sendmsg+0x110/0x110 [ 23.893353] ? bpf_fd_pass+0x280/0x280 [ 23.897212] ? ___might_sleep+0x41c/0x470 [ 23.901336] do_iter_readv_writev+0x525/0x7f0 [ 23.905809] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 23.910545] ? rw_verify_area+0xe5/0x2b0 [ 23.914576] do_iter_write+0x154/0x540 [ 23.918432] ? dup_iter+0x260/0x260 [ 23.922030] ? __lock_is_held+0xb6/0x140 [ 23.926068] vfs_writev+0x18a/0x340 [ 23.929663] ? __fget_light+0x297/0x380 [ 23.933622] ? vfs_iter_write+0xb0/0xb0 [ 23.937564] ? get_unused_fd_flags+0x190/0x190 [ 23.942121] ? sock_alloc_file+0x2a6/0x560 [ 23.946323] ? sock_release+0x1e0/0x1e0 [ 23.950271] ? __fdget_pos+0x130/0x190 [ 23.954125] ? __fdget_raw+0x20/0x20 [ 23.957807] ? init_peercred+0x11e/0x1e0 [ 23.961845] do_writev+0xfc/0x2a0 [ 23.965267] ? do_writev+0xfc/0x2a0 [ 23.968873] ? vfs_writev+0x340/0x340 [ 23.972642] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 23.977454] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.982445] SyS_writev+0x27/0x30 [ 23.985873] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.990598] RIP: 0033:0x452ac9 [ 23.993755] RSP: 002b:00007f72ed914c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000014 [ 24.001429] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 24.008663] RDX: 0000000000000001 RSI: 0000000020d33000 RDI: 0000000000000003 [ 24.015901] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 24.023136] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 [ 24.030379] R13: 00000000ffffffff R14: 00007f72ed9156d4 R15: 0000000000000000 [ 24.038196] Dumping ftrace buffer: [ 24.041765] (ftrace buffer empty) [ 24.045443] Kernel Offset: disabled [ 24.049039] Rebooting in 86400 seconds..