[....] Starting enhanced syslogd: rsyslogd[ 13.251741] audit: type=1400 audit(1517175743.143:5): avc: denied { syslog } for pid=3524 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: [ 18.882320] audit: type=1400 audit(1517175748.774:6): avc: denied { map } for pid=3664 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 '10.128.0.47' (ECDSA) to the list of known hosts. [ 25.148346] audit: type=1400 audit(1517175755.040:7): avc: denied { map } for pid=3678 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 2018/01/28 21:42:35 parsed 1 programs 2018/01/28 21:42:35 executed programs: 0 [ 25.398734] audit: type=1400 audit(1517175755.286:8): avc: denied { map } for pid=3678 comm="syz-execprog" path="/root/syzkaller-shm628958635" 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 [ 25.429785] audit: type=1400 audit(1517175755.321:9): avc: denied { sys_admin } for pid=3683 comm="syz-executor5" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 25.440689] IPVS: ftp: loaded support on port[0] = 21 [ 25.472264] audit: type=1400 audit(1517175755.363:10): avc: denied { net_admin } for pid=3686 comm="syz-executor5" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 25.497149] IPVS: ftp: loaded support on port[0] = 21 [ 25.542542] IPVS: ftp: loaded support on port[0] = 21 [ 25.589987] IPVS: ftp: loaded support on port[0] = 21 [ 25.656115] IPVS: ftp: loaded support on port[0] = 21 [ 25.746135] IPVS: ftp: loaded support on port[0] = 21 [ 25.854669] IPVS: ftp: loaded support on port[0] = 21 [ 25.959705] IPVS: ftp: loaded support on port[0] = 21 [ 26.428315] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.630899] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.775870] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.853607] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 27.004550] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 27.134299] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 27.314845] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 27.409725] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 28.636647] audit: type=1400 audit(1517175758.528:11): avc: denied { sys_chroot } for pid=3686 comm="syz-executor5" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 28.708542] audit: type=1400 audit(1517175758.574:12): avc: denied { name_bind } for pid=4573 comm="syz-executor5" src=20020 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 28.798638] audit: type=1400 audit(1517175758.574:13): avc: denied { node_bind } for pid=4573 comm="syz-executor5" saddr=::1 src=20020 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 28.900430] audit: type=1400 audit(1517175758.584:14): avc: denied { name_connect } for pid=4573 comm="syz-executor5" dest=20020 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 29.419581] kasan: CONFIG_KASAN_INLINE enabled [ 29.424310] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.431750] general protection fault: 0000 [#1] SMP KASAN [ 29.437277] Dumping ftrace buffer: [ 29.440798] (ftrace buffer empty) [ 29.444501] Modules linked in: [ 29.447687] CPU: 0 PID: 4776 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #213 [ 29.454936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.464279] RIP: 0010:dccp_write_xmit+0x69/0x1d0 [ 29.469003] RSP: 0018:ffff8801c0caf858 EFLAGS: 00010246 [ 29.474344] RAX: ffff8801c0c8e680 RBX: ffff8801c42bac00 RCX: ffffffff851810e1 [ 29.481585] RDX: 0000000000000000 RSI: 1ffff10038191de3 RDI: ffff8801c42bac00 [ 29.488825] RBP: ffff8801c0caf888 R08: 1ffff10038195ecd R09: 0000000000000000 [ 29.496066] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801ce724a80 [ 29.503311] R13: dffffc0000000000 R14: ffffed003885767b R15: 0000000000000000 [ 29.510555] FS: 00007f8e97ec4700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 29.518750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.524609] CR2: 0000000020fc0000 CR3: 00000001c1667004 CR4: 00000000001606f0 [ 29.531852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.539094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.546332] Call Trace: [ 29.548896] dccp_sendmsg+0x95f/0xdc0 [ 29.552669] ? __might_fault+0x110/0x1d0 [ 29.556703] ? compat_dccp_getsockopt+0x70/0x70 [ 29.561342] ? __check_object_size+0x25d/0x4f0 [ 29.565894] ? rw_copy_check_uvector+0x1be/0x280 [ 29.570624] ? sock_has_perm+0x2a4/0x420 [ 29.574655] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 29.579988] ? dup_iter+0x222/0x260 [ 29.583585] ? _copy_from_user+0x99/0x110 [ 29.587707] inet_sendmsg+0x11f/0x5e0 [ 29.591480] ? copy_msghdr_from_user+0x3a6/0x590 [ 29.596207] ? inet_create+0xf50/0xf50 [ 29.600068] ? selinux_socket_sendmsg+0x36/0x40 [ 29.604705] ? security_socket_sendmsg+0x89/0xb0 [ 29.609429] ? inet_create+0xf50/0xf50 [ 29.613287] sock_sendmsg+0xca/0x110 [ 29.616975] ___sys_sendmsg+0x767/0x8b0 [ 29.620919] ? copy_msghdr_from_user+0x590/0x590 [ 29.625647] ? lock_release+0xa40/0xa40 [ 29.629590] ? __inet_stream_connect+0x1a2/0xf00 [ 29.634319] ? __local_bh_enable_ip+0x121/0x230 [ 29.638962] ? __fget_light+0x297/0x380 [ 29.642907] ? fget_raw+0x20/0x20 [ 29.646331] ? release_sock+0x1d4/0x2a0 [ 29.650286] ? trace_hardirqs_on+0xd/0x10 [ 29.654407] ? __local_bh_enable_ip+0x121/0x230 [ 29.659053] ? __fdget+0x18/0x20 [ 29.662394] __sys_sendmsg+0xe5/0x210 [ 29.666165] ? __sys_sendmsg+0xe5/0x210 [ 29.670111] ? SyS_shutdown+0x290/0x290 [ 29.674062] ? SyS_futex+0x269/0x390 [ 29.677751] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.682741] SyS_sendmsg+0x2d/0x50 [ 29.686254] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.690977] RIP: 0033:0x453299 [ 29.694135] RSP: 002b:00007f8e97ec3c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 29.701813] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 [ 29.709055] RDX: 0000000000000000 RSI: 00000000205dffc8 RDI: 0000000000000006 [ 29.716297] RBP: 00000000000003d6 R08: 0000000000000000 R09: 0000000000000000 [ 29.723539] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4cb0 [ 29.730781] R13: 00000000ffffffff R14: 00007f8e97ec46d4 R15: 0000000000000000 [ 29.738037] Code: 00 00 48 85 c0 49 89 c4 0f 84 fb 00 00 00 e8 ff 22 58 fc 41 80 3e 00 0f 85 5a 01 00 00 4c 8b bb d8 07 00 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 34 01 00 00 4d 8b 3f 49 8d bf b0 00 00 00 [ 29.757114] RIP: dccp_write_xmit+0x69/0x1d0 RSP: ffff8801c0caf858 [ 29.763927] ---[ end trace 44d568fb1dfae12b ]--- [ 29.769047] Kernel panic - not syncing: Fatal exception [ 29.774827] Dumping ftrace buffer: [ 29.778343] (ftrace buffer empty) [ 29.782026] Kernel Offset: disabled [ 29.785623] Rebooting in 86400 seconds..