[ 83.284883][ T27] audit: type=1400 audit(1582862200.824:38): avc: denied { watch } for pid=11038 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 periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 83.611985][ T27] audit: type=1800 audit(1582862201.194:39): pid=10950 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
[ 83.634478][ T27] audit: type=1800 audit(1582862201.204:40): pid=10950 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: [ 85.855976][ T27] audit: type=1400 audit(1582862203.444:41): avc: denied { map } for pid=11128 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 '10.128.10.47' (ECDSA) to the list of known hosts.
executing program
[ 108.538766][ T27] audit: type=1400 audit(1582862226.124:42): avc: denied { map } for pid=11140 comm="syz-executor038" path="/root/syz-executor038169745" 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
[ 108.556946][T11141] IPVS: ftp: loaded support on port[0] = 21
executing program
[ 108.607361][ T27] audit: type=1400 audit(1582862226.194:43): avc: denied { create } for pid=11142 comm="syz-executor038" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[ 108.632442][ T27] audit: type=1400 audit(1582862226.204:44): avc: denied { write } for pid=11142 comm="syz-executor038" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[ 108.640673][T11143] BUG: unable to handle page fault for address: ffffed1019076f87
[ 108.657794][ T27] audit: type=1400 audit(1582862226.204:45): avc: denied { read } for pid=11142 comm="syz-executor038" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[ 108.664935][T11143] #PF: supervisor read access in kernel mode
[ 108.664944][T11143] #PF: error_code(0x0000) - not-present page
[ 108.664950][T11143] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0
[ 108.664970][T11143] Oops: 0000 [#1] PREEMPT SMP KASAN
[ 108.664985][T11143] CPU: 1 PID: 11143 Comm: syz-executor038 Not tainted 5.6.0-rc3-syzkaller #0
[ 108.664991][T11143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 108.665021][T11143] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820
[ 108.665043][T11143] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c
[ 108.758544][T11143] RSP: 0018:ffffc90002117248 EFLAGS: 00010a07
[ 108.764604][T11143] RAX: dffffc0000000000 RBX: ffff8880a83b7c3c RCX: ffffffff867055d4
[ 108.772623][T11143] RDX: 1ffff11019076f87 RSI: ffffffff867055e2 RDI: 0000000000000005
[ 108.780591][T11143] RBP: ffffc900021173b0 R08: ffff888094d843c0 R09: ffffc90002117318
[ 108.788557][T11143] R10: fffff52000422e68 R11: ffffc90002117347 R12: 0000000000000010
[ 108.796526][T11143] R13: ffff8880c83b7c3c R14: ffff8880a83b7c4c R15: ffffc90002117388
[ 108.804498][T11143] FS: 0000000001684880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 108.813421][T11143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 108.819997][T11143] CR2: ffffed1019076f87 CR3: 000000009ee25000 CR4: 00000000001406e0
[ 108.828161][T11143] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 108.836130][T11143] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 108.844105][T11143] Call Trace:
[ 108.847389][T11143] ? __mutex_lock+0x458/0x13c0
[ 108.852149][T11143] ? lock_downgrade+0x920/0x920
[ 108.856997][T11143] ? ethnl_bitmap32_clear+0x390/0x390
[ 108.862427][T11143] ? mutex_trylock+0x2d0/0x2d0
[ 108.867202][T11143] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 108.873452][T11143] ? ethnl_default_notify+0x6b0/0x6b0
[ 108.878866][T11143] ethnl_update_bitset+0x4d/0x67
[ 108.883799][T11143] ethnl_set_linkmodes+0x461/0xc30
[ 108.888901][T11143] ? selinux_sb_eat_lsm_opts+0x700/0x700
[ 108.894531][T11143] ? selinux_sb_eat_lsm_opts+0x700/0x700
[ 108.900178][T11143] ? linkmodes_prepare_data+0x2a0/0x2a0
[ 108.905727][T11143] ? kernel_text_address+0xe3/0x110
[ 108.910975][T11143] ? __kernel_text_address+0xd/0x40
[ 108.916177][T11143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 108.922497][T11143] ? security_capable+0x95/0xc0
[ 108.927385][T11143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 108.933740][T11143] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300
[ 108.940105][T11143] genl_rcv_msg+0x67d/0xea0
[ 108.944720][T11143] ? genl_rcv_msg+0x67d/0xea0
[ 108.949444][T11143] ? genl_family_rcv_msg_attrs_parse+0x300/0x300
[ 108.955774][T11143] ? __kasan_check_read+0x11/0x20
[ 108.960801][T11143] ? __lock_acquire+0x8a0/0x4a00
[ 108.965742][T11143] ? find_held_lock+0x35/0x130
[ 108.970509][T11143] netlink_rcv_skb+0x177/0x450
[ 108.975271][T11143] ? genl_family_rcv_msg_attrs_parse+0x300/0x300
[ 108.981595][T11143] ? netlink_ack+0xb50/0xb50
[ 108.986220][T11143] ? __kasan_check_write+0x14/0x20
[ 108.991325][T11143] ? netlink_deliver_tap+0x248/0xbf0
[ 108.996644][T11143] genl_rcv+0x29/0x40
[ 109.000637][T11143] netlink_unicast+0x59e/0x7e0
[ 109.005405][T11143] ? netlink_attachskb+0x870/0x870
[ 109.010530][T11143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 109.016771][T11143] netlink_sendmsg+0x91c/0xea0
[ 109.021577][T11143] ? netlink_unicast+0x7e0/0x7e0
[ 109.026502][T11143] ? tomoyo_socket_sendmsg+0x26/0x30
[ 109.031802][T11143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 109.038047][T11143] ? security_socket_sendmsg+0x8d/0xc0
[ 109.043505][T11143] ? netlink_unicast+0x7e0/0x7e0
[ 109.048437][T11143] sock_sendmsg+0xd7/0x130
[ 109.052902][T11143] ____sys_sendmsg+0x753/0x880
[ 109.057664][T11143] ? kernel_sendmsg+0x50/0x50
[ 109.062482][T11143] ? debug_object_active_state+0x28a/0x350
[ 109.068317][T11143] ? find_held_lock+0x35/0x130
[ 109.073090][T11143] ___sys_sendmsg+0x100/0x170
[ 109.077806][T11143] ? sendmsg_copy_msghdr+0x70/0x70
[ 109.082936][T11143] ? lockdep_hardirqs_on+0x421/0x5e0
[ 109.088218][T11143] ? __kasan_check_read+0x11/0x20
[ 109.093227][T11143] ? mark_lock+0xc2/0x1220
[ 109.097644][T11143] ? __kasan_check_read+0x11/0x20
[ 109.102668][T11143] ? __lock_acquire+0x16f2/0x4a00
[ 109.107682][T11143] ? debug_object_deactivate+0x320/0x320
[ 109.113309][T11143] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 109.119459][T11143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 109.125796][T11143] ? __fget_light+0x1ad/0x270
[ 109.130514][T11143] ? __fdget+0x1b/0x20
[ 109.134594][T11143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 109.140833][T11143] __sys_sendmsg+0x105/0x1d0
[ 109.145477][T11143] ? __sys_sendmsg_sock+0xc0/0xc0
[ 109.150499][T11143] ? lockdep_hardirqs_on+0x421/0x5e0
[ 109.155804][T11143] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 109.161257][T11143] ? do_syscall_64+0x26/0x790
[ 109.165927][T11143] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 109.171988][T11143] ? do_syscall_64+0x26/0x790
[ 109.176662][T11143] __x64_sys_sendmsg+0x78/0xb0
[ 109.181417][T11143] do_syscall_64+0xfa/0x790
[ 109.185916][T11143] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 109.191912][T11143] RIP: 0033:0x445b39
[ 109.195791][T11143] Code: e8 ac cb 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 ab cc fb ff c3 66 2e 0f 1f 84 00 00 00 00
[ 109.215546][T11143] RSP: 002b:00007ffec3868fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 109.223965][T11143] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39
[ 109.232051][T11143] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
[ 109.240035][T11143] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac
[ 109.247999][T11143] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001a825
[ 109.255963][T11143] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 109.263938][T11143] Modules linked in:
[ 109.267822][T11143] CR2: ffffed1019076f87
[ 109.271988][T11143] ---[ end trace 5b1aaedf479ef504 ]---
[ 109.277465][T11143] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820
[ 109.284219][T11143] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c
[ 109.303854][T11143] RSP: 0018:ffffc90002117248 EFLAGS: 00010a07
[ 109.309940][T11143] RAX: dffffc0000000000 RBX: ffff8880a83b7c3c RCX: ffffffff867055d4
[ 109.317908][T11143] RDX: 1ffff11019076f87 RSI: ffffffff867055e2 RDI: 0000000000000005
[ 109.325870][T11143] RBP: ffffc900021173b0 R08: ffff888094d843c0 R09: ffffc90002117318
[ 109.333842][T11143] R10: fffff52000422e68 R11: ffffc90002117347 R12: 0000000000000010
[ 109.341880][T11143] R13: ffff8880c83b7c3c R14: ffff8880a83b7c4c R15: ffffc90002117388
[ 109.350153][T11143] FS: 0000000001684880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 109.359074][T11143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 109.365645][T11143] CR2: ffffed1019076f87 CR3: 000000009ee25000 CR4: 00000000001406e0
[ 109.373717][T11143] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 109.381688][T11143] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 109.389653][T11143] Kernel panic - not syncing: Fatal exception
[ 109.396787][T11143] Kernel Offset: disabled
[ 109.401131][T11143] Rebooting in 86400 seconds..