[ 68.468206][ T26] audit: type=1400 audit(1571366080.671:37): avc: denied { watch } for pid=9327 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 [ 68.500855][ T26] audit: type=1400 audit(1571366080.671:38): avc: denied { watch } for pid=9327 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. [ 68.820368][ T26] audit: type=1800 audit(1571366081.021:39): pid=9230 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 [ 68.842321][ T26] audit: type=1800 audit(1571366081.021:40): pid=9230 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: [ 71.272636][ T26] audit: type=1400 audit(1571366083.471:41): avc: denied { map } for pid=9410 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 '10.128.0.138' (ECDSA) to the list of known hosts. [ 77.896224][ T26] audit: type=1400 audit(1571366090.101:42): avc: denied { map } for pid=9422 comm="syz-executor485" path="/root/syz-executor485292782" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 77.934470][ T9423] IPVS: ftp: loaded support on port[0] = 21 [ 77.989258][ T9423] chnl_net:caif_netlink_parms(): no params data found [ 78.016931][ T9423] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.024569][ T9423] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.032313][ T9423] device bridge_slave_0 entered promiscuous mode [ 78.040528][ T9423] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.047714][ T9423] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.055384][ T9423] device bridge_slave_1 entered promiscuous mode [ 78.072589][ T9423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.083648][ T9423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.101502][ T9423] team0: Port device team_slave_0 added [ 78.108980][ T9423] team0: Port device team_slave_1 added [ 78.175440][ T9423] device hsr_slave_0 entered promiscuous mode [ 78.243740][ T9423] device hsr_slave_1 entered promiscuous mode [ 78.312014][ T9423] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.319228][ T9423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.327166][ T9423] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.334278][ T9423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.367965][ T9423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.379968][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.401134][ T3509] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.409595][ T3509] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.418673][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.429879][ T9423] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.440498][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.449231][ T2978] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.456322][ T2978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.474918][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.484249][ T3509] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.491287][ T3509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.499511][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.509748][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.518169][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.532497][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.541051][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.551362][ T9423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 78.570880][ T9423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.609129][ T9423] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.616957][ T9423] #PF: supervisor instruction fetch in kernel mode [ 78.623451][ T9423] #PF: error_code(0x0010) - not-present page [ 78.629424][ T9423] PGD 98332067 P4D 98332067 PUD 9640e067 PMD 0 [ 78.635646][ T9423] Oops: 0010 [#1] PREEMPT SMP KASAN [ 78.640818][ T9423] CPU: 0 PID: 9423 Comm: syz-executor485 Not tainted 5.4.0-rc3+ #0 [ 78.648701][ T9423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.658737][ T9423] RIP: 0010:0x0 [ 78.662182][ T9423] Code: Bad RIP value. [ 78.666223][ T9423] RSP: 0018:ffff8880a91cf848 EFLAGS: 00010246 [ 78.672522][ T9423] RAX: 0000000000000000 RBX: ffff8880a7efa000 RCX: 1ffff11014fdf494 [ 78.680472][ T9423] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff888082d40000 [ 78.688517][ T9423] RBP: ffff8880a91cf880 R08: ffff8880a942e300 R09: ffffed1014fdf449 [ 78.696464][ T9423] R10: ffffed1014fdf448 R11: ffff8880a7efa247 R12: 0000000000000002 [ 78.704432][ T9423] R13: 0000000000000304 R14: ffff888082d40000 R15: 0000000000000000 [ 78.712396][ T9423] FS: 00000000019b8880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.721301][ T9423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.727860][ T9423] CR2: ffffffffffffffd6 CR3: 0000000085089000 CR4: 00000000001406f0 [ 78.735811][ T9423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.743759][ T9423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.751800][ T9423] Call Trace: [ 78.755079][ T9423] xsk_poll+0x1e7/0x5a0 [ 78.759234][ T9423] ? xsk_setsockopt+0x730/0x730 [ 78.764069][ T9423] sock_poll+0x15e/0x480 [ 78.768289][ T9423] ? do_recvmmsg+0x7a0/0x7a0 [ 78.775307][ T9423] do_sys_poll+0x63c/0xdd0 [ 78.779713][ T9423] ? arch_stack_walk+0x97/0xf0 [ 78.784457][ T9423] ? compat_core_sys_select+0x770/0x770 [ 78.789980][ T9423] ? __rtnl_unlock+0x36/0x90 [ 78.794634][ T9423] ? find_held_lock+0x35/0x130 [ 78.799387][ T9423] ? lock_downgrade+0x920/0x920 [ 78.804217][ T9423] ? __kasan_check_write+0x14/0x20 [ 78.809305][ T9423] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 78.814831][ T9423] ? find_held_lock+0x35/0x130 [ 78.819574][ T9423] ? poll_initwait+0x180/0x180 [ 78.824321][ T9423] ? poll_freewait+0x260/0x260 [ 78.829063][ T9423] ? mutex_unlock+0xd/0x10 [ 78.833461][ T9423] ? __rtnl_unlock+0x7c/0x90 [ 78.838050][ T9423] ? netdev_run_todo+0x559/0x7d0 [ 78.842961][ T9423] ? __kasan_check_write+0x14/0x20 [ 78.848047][ T9423] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 78.853575][ T9423] ? register_netdev+0x50/0x50 [ 78.858335][ T9423] ? wait_for_completion+0x440/0x440 [ 78.863598][ T9423] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 78.869399][ T9423] ? xdp_add_sk_umem+0x134/0x1c0 [ 78.874313][ T9423] ? rtnl_unlock+0xe/0x10 [ 78.878618][ T9423] ? xsk_bind+0x1e7/0x1190 [ 78.883025][ T9423] ? xsk_clear_rx_need_wakeup+0x100/0x100 [ 78.888724][ T9423] ? tomoyo_socket_bind+0x26/0x30 [ 78.893749][ T9423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.899967][ T9423] ? security_socket_bind+0x8d/0xc0 [ 78.905142][ T9423] ? set_user_sigmask+0x166/0x1e0 [ 78.910151][ T9423] ? sigprocmask+0x2b0/0x2b0 [ 78.914729][ T9423] ? __ia32_sys_socketpair+0xf0/0xf0 [ 78.919990][ T9423] __x64_sys_ppoll+0x259/0x310 [ 78.924730][ T9423] ? __sys_socket+0x180/0x220 [ 78.929393][ T9423] ? __ia32_sys_poll+0x470/0x470 [ 78.934324][ T9423] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 78.939760][ T9423] ? do_syscall_64+0x26/0x760 [ 78.944415][ T9423] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.950456][ T9423] ? do_syscall_64+0x26/0x760 [ 78.955125][ T9423] ? lockdep_hardirqs_on+0x421/0x5e0 [ 78.960393][ T9423] ? trace_hardirqs_on+0x67/0x240 [ 78.965459][ T9423] do_syscall_64+0xfa/0x760 [ 78.969959][ T9423] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.975850][ T9423] RIP: 0033:0x441bd9 [ 78.979725][ T9423] 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.999408][ T9423] RSP: 002b:00007fff9a25d1c8 EFLAGS: 00000246 ORIG_RAX: 000000000000010f [ 79.007820][ T9423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441bd9 [ 79.015785][ T9423] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000020000040 [ 79.023741][ T9423] RBP: 00007fff9a25d1e0 R08: 0000000000000000 R09: 0000000001bbbbbb [ 79.031704][ T9423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.039665][ T9423] R13: 0000000000403170 R14: 0000000000000000 R15: 0000000000000000 [ 79.047643][ T9423] Modules linked in: [ 79.051521][ T9423] CR2: 0000000000000000 [ 79.058583][ T9423] ---[ end trace a0644bdb1151a8d9 ]--- [ 79.064251][ T9423] RIP: 0010:0x0 [ 79.067706][ T9423] Code: Bad RIP value. [ 79.071838][ T9423] RSP: 0018:ffff8880a91cf848 EFLAGS: 00010246 [ 79.078208][ T9423] RAX: 0000000000000000 RBX: ffff8880a7efa000 RCX: 1ffff11014fdf494 [ 79.086763][ T9423] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff888082d40000 [ 79.094757][ T9423] RBP: ffff8880a91cf880 R08: ffff8880a942e300 R09: ffffed1014fdf449 [ 79.102724][ T9423] R10: ffffed1014fdf448 R11: ffff8880a7efa247 R12: 0000000000000002 [ 79.110729][ T9423] R13: 0000000000000304 R14: ffff888082d40000 R15: 0000000000000000 [ 79.118722][ T9423] FS: 00000000019b8880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 79.127655][ T9423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.134239][ T9423] CR2: ffffffffffffffd6 CR3: 0000000085089000 CR4: 00000000001406f0 [ 79.142201][ T9423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.150183][ T9423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.158172][ T9423] Kernel panic - not syncing: Fatal exception [ 79.165638][ T9423] Kernel Offset: disabled [ 79.169988][ T9423] Rebooting in 86400 seconds..