[....] Starting enhanced syslogd: rsyslogd[ 14.679039] audit: type=1400 audit(1520519172.110:5): avc: denied { syslog } for pid=4043 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 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: [ 18.420946] audit: type=1400 audit(1520519175.852:6): avc: denied { map } for pid=4181 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 '10.128.10.8' (ECDSA) to the list of known hosts. [ 24.901571] audit: type=1400 audit(1520519182.333:7): avc: denied { map } for pid=4195 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 2018/03/08 14:26:22 parsed 1 programs 2018/03/08 14:26:22 executed programs: 0 [ 25.148977] audit: type=1400 audit(1520519182.580:8): avc: denied { map } for pid=4195 comm="syz-execprog" path="/root/syzkaller-shm391423558" 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 [ 25.185884] audit: type=1400 audit(1520519182.617:9): avc: denied { sys_admin } for pid=4201 comm="syz-executor2" 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 [ 25.193663] IPVS: ftp: loaded support on port[0] = 21 [ 25.251879] IPVS: ftp: loaded support on port[0] = 21 [ 25.260553] audit: type=1400 audit(1520519182.692:10): avc: denied { sys_chroot } for pid=4205 comm="syz-executor0" 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 [ 25.285007] audit: type=1400 audit(1520519182.693:11): avc: denied { net_admin } for pid=4205 comm="syz-executor0" 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 [ 25.296500] IPVS: ftp: loaded support on port[0] = 21 [ 25.362472] IPVS: ftp: loaded support on port[0] = 21 [ 25.400999] IPVS: ftp: loaded support on port[0] = 21 [ 25.439741] IPVS: ftp: loaded support on port[0] = 21 [ 25.484761] IPVS: ftp: loaded support on port[0] = 21 [ 25.527686] IPVS: ftp: loaded support on port[0] = 21 [ 26.366388] kasan: CONFIG_KASAN_INLINE enabled [ 26.371170] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.378570] general protection fault: 0000 [#1] SMP KASAN [ 26.384089] Dumping ftrace buffer: [ 26.387611] (ftrace buffer empty) [ 26.391307] Modules linked in: [ 26.394487] CPU: 1 PID: 4964 Comm: syz-executor1 Not tainted 4.16.0-rc4+ #256 [ 26.401741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.411091] RIP: 0010:rdma_reject+0x37/0x220 [ 26.415488] RSP: 0018:ffff8801b8faf8a8 EFLAGS: 00010206 [ 26.420835] RAX: dffffc0000000000 RBX: 1ffff100371f5f1f RCX: ffffffff841bb25f [ 26.428608] RDX: 0000000000000078 RSI: ffff8801b8faf920 RDI: 00000000000003c0 [ 26.435859] RBP: ffff8801b8faf8d8 R08: 0000000000000000 R09: 0000000000000000 [ 26.443119] R10: ffffffff88613380 R11: 0000000000000000 R12: 0000000000000000 [ 26.450377] R13: ffff8801b8fafa58 R14: ffff8801b8faf920 R15: 0000000000000000 [ 26.457637] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7f20b40 [ 26.465842] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 26.471698] CR2: 00000000f7f7fdb0 CR3: 00000001b6497002 CR4: 00000000001606e0 [ 26.478951] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.486199] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.493440] Call Trace: [ 26.496007] ucma_reject+0x149/0x220 [ 26.499698] ? ucma_disconnect+0x150/0x150 [ 26.503919] ? kasan_check_write+0x14/0x20 [ 26.508136] ucma_write+0x2d6/0x3d0 [ 26.511737] ? ucma_disconnect+0x150/0x150 [ 26.515942] ? ucma_resolve_route+0x1a0/0x1a0 [ 26.520410] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 26.525496] ? ucma_resolve_route+0x1a0/0x1a0 [ 26.529964] __vfs_write+0xef/0x970 [ 26.533563] ? rcu_note_context_switch+0x710/0x710 [ 26.538464] ? kernel_read+0x120/0x120 [ 26.542325] ? __might_sleep+0x95/0x190 [ 26.546270] ? _cond_resched+0x14/0x30 [ 26.550135] ? __inode_security_revalidate+0xd9/0x130 [ 26.555297] ? avc_policy_seqno+0x9/0x20 [ 26.559330] ? selinux_file_permission+0x82/0x460 [ 26.564154] ? security_file_permission+0x89/0x1e0 [ 26.569062] ? rw_verify_area+0xe5/0x2b0 [ 26.573096] ? __fdget_raw+0x20/0x20 [ 26.576783] vfs_write+0x189/0x510 [ 26.580297] SyS_write+0xef/0x220 [ 26.583719] ? __mmdrop+0x242/0x3d0 [ 26.587316] ? SyS_read+0x220/0x220 [ 26.590914] ? do_fast_syscall_32+0x156/0xf9f [ 26.595389] ? SyS_read+0x220/0x220 [ 26.598989] do_fast_syscall_32+0x3ec/0xf9f [ 26.603282] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.607751] ? do_int80_syscall_32+0x9c0/0x9c0 [ 26.612311] ? syscall_return_slowpath+0x2ac/0x550 [ 26.617210] ? prepare_exit_to_usermode+0x350/0x350 [ 26.622200] ? sysret32_from_system_call+0x5/0x3c [ 26.627021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.631840] entry_SYSENTER_compat+0x70/0x7f [ 26.636217] RIP: 0023:0xf7f45c99 [ 26.639554] RSP: 002b:00000000f7f2009c EFLAGS: 00000286 ORIG_RAX: 0000000000000004 [ 26.647232] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200003c0 [ 26.654472] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.661712] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.668951] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.676193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.683440] Code: 49 89 ff 53 41 89 d4 49 89 f6 48 83 ec 08 e8 b1 53 55 fd 49 8d bf c0 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a0 01 00 00 4d 8b af c0 03 00 00 4d 85 ed 0f [ 26.702509] RIP: rdma_reject+0x37/0x220 RSP: ffff8801b8faf8a8 [ 26.708424] ---[ end trace d800c8bf12d55b77 ]--- [ 26.713188] Kernel panic - not syncing: Fatal exception [ 26.718944] Dumping ftrace buffer: [ 26.722465] (ftrace buffer empty) [ 26.726147] Kernel Offset: disabled [ 26.729745] Rebooting in 86400 seconds..