[ 80.802389][ T27] audit: type=1400 audit(1579162375.448:37): avc: denied { watch } for pid=10602 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 80.852065][ T27] audit: type=1400 audit(1579162375.448:38): avc: denied { watch } for pid=10602 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 81.148692][ T27] audit: type=1800 audit(1579162375.788:39): pid=10515 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 81.172223][ T27] audit: type=1800 audit(1579162375.798:40): pid=10515 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 84.539061][ T27] audit: type=1400 audit(1579162379.178:41): avc: denied { map } for pid=10696 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 '10.128.0.40' (ECDSA) to the list of known hosts. executing program [ 101.802779][ T27] audit: type=1400 audit(1579162396.448:42): avc: denied { map } for pid=10708 comm="syz-executor566" path="/root/syz-executor566456968" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 101.830861][T10708] kasan: CONFIG_KASAN_INLINE enabled [ 101.836555][T10708] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 101.844790][T10708] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 101.851722][T10708] CPU: 1 PID: 10708 Comm: syz-executor566 Not tainted 5.5.0-rc6-syzkaller #0 [ 101.860979][T10708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.871035][T10708] RIP: 0010:xt_rateest_put+0xa1/0x440 [ 101.876513][T10708] Code: 15 76 04 fb 45 84 f6 0f 84 68 02 00 00 e8 c7 74 04 fb 49 8d bd 68 13 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 6c 03 00 00 4d 8b b5 68 13 00 00 e8 b9 ad f0 fa [ 101.896104][T10708] RSP: 0018:ffffc900020b7940 EFLAGS: 00010202 [ 101.902163][T10708] RAX: dffffc0000000000 RBX: ffff8880a313ff00 RCX: ffffffff86708332 [ 101.910175][T10708] RDX: 000000000000026d RSI: ffffffff867080b9 RDI: 0000000000001368 [ 101.918136][T10708] RBP: ffffc900020b7970 R08: ffff88809414a440 R09: ffffed1015d2703d [ 101.926096][T10708] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 000000000000002d [ 101.934199][T10708] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff86708470 [ 101.942282][T10708] FS: 0000000002055880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 101.951198][T10708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.957768][T10708] CR2: 0000560653bcd140 CR3: 0000000098b2a000 CR4: 00000000001406e0 [ 101.965731][T10708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.973687][T10708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.981646][T10708] Call Trace: [ 101.984929][T10708] ? xt_rateest_put+0x440/0x440 [ 101.989761][T10708] xt_rateest_tg_destroy+0x72/0xa0 [ 101.994869][T10708] ? xt_percpu_counter_free+0x8f/0xd0 [ 102.000232][T10708] translate_table+0x11f4/0x1d80 [ 102.005220][T10708] ? arpt_alloc_initial_table+0x690/0x690 [ 102.011017][T10708] ? lock_downgrade+0x920/0x920 [ 102.015920][T10708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 102.022154][T10708] ? _copy_from_user+0x12c/0x1a0 [ 102.027079][T10708] do_arpt_set_ctl+0x317/0x650 [ 102.031959][T10708] ? __do_replace+0xa80/0xa80 [ 102.036737][T10708] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 102.042270][T10708] ? mark_lock+0xc2/0x1220 [ 102.046714][T10708] ? wait_for_completion+0x440/0x440 [ 102.052144][T10708] ? mutex_unlock+0xd/0x10 [ 102.056548][T10708] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 102.062581][T10708] nf_setsockopt+0x77/0xd0 [ 102.067119][T10708] ip_setsockopt+0xdf/0x100 [ 102.071686][T10708] udp_setsockopt+0x68/0xb0 [ 102.076238][T10708] sock_common_setsockopt+0x94/0xd0 [ 102.081420][T10708] __sys_setsockopt+0x261/0x4c0 [ 102.086264][T10708] ? sock_create_kern+0x50/0x50 [ 102.091101][T10708] ? down_read_non_owner+0x490/0x490 [ 102.096374][T10708] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 102.102653][T10708] ? handle_mm_fault+0x4ab/0xa50 [ 102.107581][T10708] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 102.113032][T10708] ? do_syscall_64+0x26/0x790 [ 102.117693][T10708] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.123743][T10708] ? do_syscall_64+0x26/0x790 [ 102.128409][T10708] __x64_sys_setsockopt+0xbe/0x150 [ 102.133505][T10708] do_syscall_64+0xfa/0x790 [ 102.137995][T10708] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.143874][T10708] RIP: 0033:0x4419a9 [ 102.147756][T10708] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.167344][T10708] RSP: 002b:00007ffc0cf3fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 102.175753][T10708] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004419a9 [ 102.183716][T10708] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 [ 102.191674][T10708] RBP: 00000000006cc018 R08: 0000000000000430 R09: 00000000004002c8 [ 102.199639][T10708] R10: 00000000200008c0 R11: 0000000000000246 R12: 0000000000403230 [ 102.207595][T10708] R13: 00000000004032c0 R14: 0000000000000000 R15: 0000000000000000 [ 102.215673][T10708] Modules linked in: [ 102.220261][T10708] ---[ end trace 8fe720582864881d ]--- [ 102.225976][T10708] RIP: 0010:xt_rateest_put+0xa1/0x440 [ 102.231388][T10708] Code: 15 76 04 fb 45 84 f6 0f 84 68 02 00 00 e8 c7 74 04 fb 49 8d bd 68 13 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 6c 03 00 00 4d 8b b5 68 13 00 00 e8 b9 ad f0 fa [ 102.251804][T10708] RSP: 0018:ffffc900020b7940 EFLAGS: 00010202 [ 102.257864][T10708] RAX: dffffc0000000000 RBX: ffff8880a313ff00 RCX: ffffffff86708332 [ 102.265858][T10708] RDX: 000000000000026d RSI: ffffffff867080b9 RDI: 0000000000001368 [ 102.273859][T10708] RBP: ffffc900020b7970 R08: ffff88809414a440 R09: ffffed1015d2703d [ 102.281856][T10708] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 000000000000002d [ 102.289827][T10708] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff86708470 [ 102.298061][T10708] FS: 0000000002055880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 102.307144][T10708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.313924][T10708] CR2: 0000561548d6b008 CR3: 0000000098b2a000 CR4: 00000000001406f0 [ 102.321914][T10708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.329880][T10708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.337947][T10708] Kernel panic - not syncing: Fatal exception [ 102.345669][T10708] Kernel Offset: disabled [ 102.350012][T10708] Rebooting in 86400 seconds..