[   84.914707][   T27] audit: type=1400 audit(1583008887.264:37): avc:  denied  { watch } for  pid=10778 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
[   84.942856][   T27] audit: type=1400 audit(1583008887.274:38): avc:  denied  { watch } for  pid=10778 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.
[   85.256190][   T27] audit: type=1800 audit(1583008887.614:39): pid=10691 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
[   85.277970][   T27] audit: type=1800 audit(1583008887.614:40): pid=10691 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: [   88.041104][   T27] audit: type=1400 audit(1583008890.394:41): avc:  denied  { map } for  pid=10867 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 '10.128.0.96' (ECDSA) to the list of known hosts.
executing program
[   94.886910][   T27] audit: type=1400 audit(1583008897.244:42): avc:  denied  { map } for  pid=10879 comm="syz-executor059" path="/root/syz-executor059175654" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   94.902883][T10880] IPVS: ftp: loaded support on port[0] = 21
executing program
executing program
[   94.954546][   T27] audit: type=1400 audit(1583008897.314:43): avc:  denied  { create } for  pid=10881 comm="syz-executor059" 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
[   94.979442][   T27] audit: type=1400 audit(1583008897.314:44): avc:  denied  { write } for  pid=10881 comm="syz-executor059" 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
[   94.993532][T10883] BUG: unable to handle page fault for address: ffffed10184a1c87
[   95.005083][   T27] audit: type=1400 audit(1583008897.314:45): avc:  denied  { read } for  pid=10881 comm="syz-executor059" 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
[   95.012435][T10883] #PF: supervisor read access in kernel mode
[   95.042974][T10883] #PF: error_code(0x0000) - not-present page
[   95.048971][T10883] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 
[   95.055458][T10883] Oops: 0000 [#1] PREEMPT SMP KASAN
[   95.060633][T10883] CPU: 0 PID: 10883 Comm: syz-executor059 Not tainted 5.6.0-rc3-syzkaller #0
[   95.069364][T10883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   95.079408][T10883] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820
[   95.086144][T10883] 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
[   95.105722][T10883] RSP: 0018:ffffc900075b7248 EFLAGS: 00010a07
[   95.111774][T10883] RAX: dffffc0000000000 RBX: ffff8880a250e43c RCX: ffffffff867055d4
[   95.119734][T10883] RDX: 1ffff110184a1c87 RSI: ffffffff867055e2 RDI: 0000000000000005
[   95.127682][T10883] RBP: ffffc900075b73b0 R08: ffff888098b96100 R09: ffffc900075b7318
[   95.135643][T10883] R10: fffff52000eb6e68 R11: ffffc900075b7347 R12: 0000000000000010
[   95.143591][T10883] R13: ffff8880c250e43c R14: ffff8880a250e44c R15: ffffc900075b7388
[   95.151558][T10883] FS:  0000000001d0f880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   95.160462][T10883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.167132][T10883] CR2: ffffed10184a1c87 CR3: 000000009ad3d000 CR4: 00000000001406f0
[   95.175194][T10883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   95.183168][T10883] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   95.191119][T10883] Call Trace:
[   95.194402][T10883]  ? __mutex_lock+0x458/0x13c0
[   95.199144][T10883]  ? lock_downgrade+0x920/0x920
[   95.204000][T10883]  ? ethnl_bitmap32_clear+0x390/0x390
[   95.209357][T10883]  ? mutex_trylock+0x2d0/0x2d0
[   95.214114][T10883]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   95.220339][T10883]  ? ethnl_default_notify+0x6b0/0x6b0
[   95.225696][T10883]  ethnl_update_bitset+0x4d/0x67
[   95.230644][T10883]  ethnl_set_linkmodes+0x461/0xc30
[   95.235733][T10883]  ? selinux_sb_eat_lsm_opts+0x700/0x700
[   95.241362][T10883]  ? selinux_sb_eat_lsm_opts+0x700/0x700
[   95.246971][T10883]  ? linkmodes_prepare_data+0x2a0/0x2a0
[   95.252492][T10883]  ? kernel_text_address+0xe3/0x110
[   95.257668][T10883]  ? __kernel_text_address+0xd/0x40
[   95.262854][T10883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   95.269073][T10883]  ? security_capable+0x95/0xc0
[   95.273927][T10883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   95.280217][T10883]  ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300
[   95.286548][T10883]  genl_rcv_msg+0x67d/0xea0
[   95.291049][T10883]  ? genl_rcv_msg+0x67d/0xea0
[   95.295780][T10883]  ? genl_family_rcv_msg_attrs_parse+0x300/0x300
[   95.302143][T10883]  ? __kasan_check_read+0x11/0x20
[   95.307173][T10883]  ? __lock_acquire+0x8a0/0x4a00
[   95.312129][T10883]  ? find_held_lock+0x35/0x130
[   95.316981][T10883]  netlink_rcv_skb+0x177/0x450
[   95.321960][T10883]  ? genl_family_rcv_msg_attrs_parse+0x300/0x300
[   95.328407][T10883]  ? netlink_ack+0xb50/0xb50
[   95.333018][T10883]  ? __kasan_check_write+0x14/0x20
[   95.338130][T10883]  ? netlink_deliver_tap+0x248/0xbf0
[   95.343413][T10883]  genl_rcv+0x29/0x40
[   95.347430][T10883]  netlink_unicast+0x59e/0x7e0
[   95.352252][T10883]  ? netlink_attachskb+0x870/0x870
[   95.357504][T10883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   95.363793][T10883]  netlink_sendmsg+0x91c/0xea0
[   95.368566][T10883]  ? netlink_unicast+0x7e0/0x7e0
[   95.373501][T10883]  ? tomoyo_socket_sendmsg+0x26/0x30
[   95.378787][T10883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   95.385039][T10883]  ? security_socket_sendmsg+0x8d/0xc0
[   95.390500][T10883]  ? netlink_unicast+0x7e0/0x7e0
[   95.395429][T10883]  sock_sendmsg+0xd7/0x130
[   95.399871][T10883]  ____sys_sendmsg+0x753/0x880
[   95.404637][T10883]  ? kernel_sendmsg+0x50/0x50
[   95.409309][T10883]  ? debug_object_active_state+0x28a/0x350
[   95.415234][T10883]  ? find_held_lock+0x35/0x130
[   95.420048][T10883]  ___sys_sendmsg+0x100/0x170
[   95.424736][T10883]  ? sendmsg_copy_msghdr+0x70/0x70
[   95.429878][T10883]  ? lockdep_hardirqs_on+0x421/0x5e0
[   95.435209][T10883]  ? __kasan_check_read+0x11/0x20
[   95.440247][T10883]  ? mark_lock+0xc2/0x1220
[   95.444650][T10883]  ? __kasan_check_read+0x11/0x20
[   95.449693][T10883]  ? __lock_acquire+0x16f2/0x4a00
[   95.454734][T10883]  ? debug_object_deactivate+0x320/0x320
[   95.460344][T10883]  ? rcu_lockdep_current_cpu_online+0xe3/0x130
[   95.466514][T10883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   95.472730][T10883]  ? __fget_light+0x1ad/0x270
[   95.477386][T10883]  ? __fdget+0x1b/0x20
[   95.481430][T10883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   95.487685][T10883]  __sys_sendmsg+0x105/0x1d0
[   95.492276][T10883]  ? __sys_sendmsg_sock+0xc0/0xc0
[   95.497279][T10883]  ? lockdep_hardirqs_on+0x421/0x5e0
[   95.502554][T10883]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   95.507988][T10883]  ? do_syscall_64+0x26/0x790
[   95.512643][T10883]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   95.518780][T10883]  ? do_syscall_64+0x26/0x790
[   95.523448][T10883]  __x64_sys_sendmsg+0x78/0xb0
[   95.528199][T10883]  do_syscall_64+0xfa/0x790
[   95.532680][T10883]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   95.538545][T10883] RIP: 0033:0x445b39
[   95.542415][T10883] 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
[   95.562081][T10883] RSP: 002b:00007ffcdf80de08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   95.570485][T10883] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39
[   95.578443][T10883] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
[   95.586392][T10883] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac
[   95.594428][T10883] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000172d7
[   95.602377][T10883] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   95.610334][T10883] Modules linked in:
[   95.614206][T10883] CR2: ffffed10184a1c87
[   95.618354][T10883] ---[ end trace 95c04c518e36640b ]---
[   95.623795][T10883] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820
[   95.631227][T10883] 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
[   95.650826][T10883] RSP: 0018:ffffc900075b7248 EFLAGS: 00010a07
[   95.656873][T10883] RAX: dffffc0000000000 RBX: ffff8880a250e43c RCX: ffffffff867055d4
[   95.664823][T10883] RDX: 1ffff110184a1c87 RSI: ffffffff867055e2 RDI: 0000000000000005
[   95.672774][T10883] RBP: ffffc900075b73b0 R08: ffff888098b96100 R09: ffffc900075b7318
[   95.680833][T10883] R10: fffff52000eb6e68 R11: ffffc900075b7347 R12: 0000000000000010
[   95.688828][T10883] R13: ffff8880c250e43c R14: ffff8880a250e44c R15: ffffc900075b7388
[   95.696788][T10883] FS:  0000000001d0f880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   95.705702][T10883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.712261][T10883] CR2: ffffed10184a1c87 CR3: 000000009ad3d000 CR4: 00000000001406f0
[   95.720220][T10883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   95.728180][T10883] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   95.736215][T10883] Kernel panic - not syncing: Fatal exception
[   95.743598][T10883] Kernel Offset: disabled
[   95.747929][T10883] Rebooting in 86400 seconds..