[....] Starting enhanced syslogd: rsyslogd[ 15.642966] audit: type=1400 audit(1521315734.016:5): avc: denied { syslog } for pid=4000 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: [ 18.677536] audit: type=1400 audit(1521315737.051:6): avc: denied { map } for pid=4139 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 '10.128.0.24' (ECDSA) to the list of known hosts. [ 24.969857] audit: type=1400 audit(1521315743.343:7): avc: denied { map } for pid=4154 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 2018/03/17 19:42:23 parsed 1 programs 2018/03/17 19:42:23 executed programs: 0 [ 25.223150] audit: type=1400 audit(1521315743.596:8): avc: denied { map } for pid=4154 comm="syz-execprog" path="/root/syzkaller-shm289805824" 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 [ 25.262213] audit: type=1400 audit(1521315743.634:9): avc: denied { sys_admin } for pid=4160 comm="syz-executor3" 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 [ 25.269941] IPVS: ftp: loaded support on port[0] = 21 [ 25.327603] IPVS: ftp: loaded support on port[0] = 21 [ 25.352440] IPVS: ftp: loaded support on port[0] = 21 [ 25.358449] audit: type=1400 audit(1521315743.731:10): avc: denied { sys_chroot } for pid=4164 comm="syz-executor3" 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 [ 25.382885] audit: type=1400 audit(1521315743.733:11): avc: denied { net_admin } for pid=4164 comm="syz-executor3" 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 [ 25.404104] IPVS: ftp: loaded support on port[0] = 21 [ 25.447206] IPVS: ftp: loaded support on port[0] = 21 [ 25.495876] IPVS: ftp: loaded support on port[0] = 21 [ 25.542421] IPVS: ftp: loaded support on port[0] = 21 [ 25.606728] IPVS: ftp: loaded support on port[0] = 21 [ 30.097960] kasan: CONFIG_KASAN_INLINE enabled [ 30.102764] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.110338] general protection fault: 0000 [#1] SMP KASAN [ 30.115858] Dumping ftrace buffer: [ 30.119372] (ftrace buffer empty) [ 30.123065] Modules linked in: [ 30.126250] CPU: 1 PID: 7694 Comm: syz-executor4 Not tainted 4.16.0-rc5+ #267 [ 30.133507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.142852] RIP: 0010:rdma_resolve_addr+0x13c/0x26c0 [ 30.147940] RSP: 0018:ffff8801da54f630 EFLAGS: 00010207 [ 30.153288] RAX: 0000000000000042 RBX: ffff8801da54f9f4 RCX: 0000000000000000 [ 30.160540] RDX: 0000000000000000 RSI: ffff8801da54f9f4 RDI: 0000000000000214 [ 30.167803] RBP: ffff8801da54f990 R08: 0000000000000000 R09: 0000000000000000 [ 30.175066] R10: ffff8801da54f9a8 R11: 0000000000000000 R12: dffffc0000000000 [ 30.182324] R13: 00000000000000a0 R14: ffff8801da54f9d8 R15: 0000000000000000 [ 30.189581] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7f35b40 [ 30.197792] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 30.203664] CR2: 0000000008138024 CR3: 00000001cbe3f002 CR4: 00000000001606e0 [ 30.210917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.218164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.225416] Call Trace: [ 30.227990] ? find_held_lock+0x35/0x1d0 [ 30.232039] ? rdma_bind_addr+0x1b50/0x1b50 [ 30.236342] ? lock_downgrade+0x980/0x980 [ 30.240466] ? __radix_tree_lookup+0x435/0x5e0 [ 30.245034] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 30.249850] ? wait_for_completion+0x770/0x770 [ 30.254404] ? lock_release+0xa40/0xa40 [ 30.258347] ? check_same_owner+0x320/0x320 [ 30.262638] ? find_held_lock+0x35/0x1d0 [ 30.266682] ucma_resolve_ip+0x142/0x1f0 [ 30.270709] ? ucma_resolve_ip+0x142/0x1f0 [ 30.274911] ? ucma_resolve_addr+0x330/0x330 [ 30.279297] ? kasan_check_write+0x14/0x20 [ 30.283501] ucma_write+0x2d6/0x3d0 [ 30.287095] ? ucma_resolve_addr+0x330/0x330 [ 30.291470] ? ucma_resolve_route+0x1a0/0x1a0 [ 30.295941] ? ucma_resolve_route+0x1a0/0x1a0 [ 30.300409] __vfs_write+0xef/0x970 [ 30.304013] ? rcu_note_context_switch+0x710/0x710 [ 30.308917] ? kernel_read+0x120/0x120 [ 30.312773] ? __might_sleep+0x95/0x190 [ 30.316721] ? _cond_resched+0x14/0x30 [ 30.320578] ? __inode_security_revalidate+0xd9/0x130 [ 30.325737] ? avc_policy_seqno+0x9/0x20 [ 30.329767] ? selinux_file_permission+0x82/0x460 [ 30.334590] ? security_file_permission+0x89/0x1e0 [ 30.339501] ? rw_verify_area+0xe5/0x2b0 [ 30.343543] ? __fdget_raw+0x20/0x20 [ 30.347236] vfs_write+0x189/0x510 [ 30.350749] SyS_write+0xef/0x220 [ 30.354173] ? SyS_read+0x220/0x220 [ 30.357772] ? do_fast_syscall_32+0x156/0xf9f [ 30.362236] ? SyS_read+0x220/0x220 [ 30.365832] do_fast_syscall_32+0x3ec/0xf9f [ 30.370124] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.374591] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.379142] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.383609] ? finish_task_switch+0x1c1/0x7e0 [ 30.388075] ? syscall_return_slowpath+0x2ac/0x550 [ 30.392977] ? prepare_exit_to_usermode+0x350/0x350 [ 30.397965] ? sysret32_from_system_call+0x5/0x3c [ 30.402781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.407598] entry_SYSENTER_compat+0x70/0x7f [ 30.411974] RIP: 0023:0xf7f5ac99 [ 30.415309] RSP: 002b:00000000f7f3509c EFLAGS: 00000286 ORIG_RAX: 0000000000000004 [ 30.422991] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200003c0 [ 30.430230] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.437469] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.444709] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.451946] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.459192] Code: 31 c0 e8 c8 98 53 fd 48 89 df e8 d0 f5 f5 ff 4c 89 ef 48 63 d0 48 89 de e8 c2 c8 8b fd 49 8d bf 14 02 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f [ 30.478278] RIP: rdma_resolve_addr+0x13c/0x26c0 RSP: ffff8801da54f630 [ 30.484861] ---[ end trace 06bf836aa4e6cecf ]--- [ 30.489607] Kernel panic - not syncing: Fatal exception [ 30.495366] Dumping ftrace buffer: [ 30.498879] (ftrace buffer empty) [ 30.502555] Kernel Offset: disabled [ 30.506149] Rebooting in 86400 seconds..