Starting mcstransd:
[....] 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.
[ 39.200823] audit: type=1800 audit(1582347521.602:33): pid=7646 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=2465 res=0
[ 39.225904] audit: type=1800 audit(1582347521.602:34): pid=7646 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=2456 res=0
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 41.600683] audit: type=1400 audit(1582347524.002:35): avc: denied { map } for pid=7820 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 '10.128.0.20' (ECDSA) to the list of known hosts.
executing program
[ 60.079651] audit: type=1400 audit(1582347542.482:36): avc: denied { map } for pid=7832 comm="syz-executor785" path="/root/syz-executor785168857" 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
[ 60.083060] ------------[ cut here ]------------
[ 60.110643] kernel BUG at arch/x86/mm/physaddr.c:27!
[ 60.115738] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 60.121085] CPU: 1 PID: 7832 Comm: syz-executor785 Not tainted 4.19.105-syzkaller #0
[ 60.128943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.138285] RIP: 0010:__phys_addr+0xb3/0x120
[ 60.142672] Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 c6 56 39 00 48 85 db 75 0f e8 1c 55 39 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 0d 55 39 00 <0f> 0b e8 06 55 39 00 48 c7 c0 10 50 e7 88 48 ba 00 00 00 00 00 fc
[ 60.161590] RSP: 0018:ffff88808582f540 EFLAGS: 00010093
[ 60.166973] RAX: ffff88808e612540 RBX: 0000000002777259 RCX: ffffffff81318752
[ 60.174227] RDX: 0000000000000000 RSI: ffffffff813187b3 RDI: 0000000000000006
[ 60.181479] RBP: ffff88808582f558 R08: ffff88808e612540 R09: ffffed1015d24733
[ 60.188759] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000778002777259
[ 60.196010] R13: 0000000082777259 R14: ffff8880a9b84480 R15: 0000000000000010
[ 60.203326] FS: 00000000021a2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 60.211581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.217797] CR2: 00000000200004c0 CR3: 000000008bf9a000 CR4: 00000000001406e0
[ 60.225062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.232311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.239561] Call Trace:
[ 60.242138] ? audit_data_to_entry+0xb7b/0x2650
[ 60.246808] kfree+0x7b/0x220
[ 60.249919] audit_data_to_entry+0xb7b/0x2650
[ 60.254405] ? audit_unpack_string+0x1d0/0x1d0
[ 60.258986] audit_rule_change+0x642/0x1120
[ 60.263294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.268837] ? audit_del_rule+0x660/0x660
[ 60.273007] ? ns_capable+0x20/0x30
[ 60.276622] ? __netlink_ns_capable+0x104/0x140
[ 60.281283] audit_receive_msg+0xd1d/0x2590
[ 60.285595] ? audit_log_feature_change.part.0+0x160/0x160
[ 60.291246] ? mutex_trylock+0x1e0/0x1e0
[ 60.295305] ? netlink_deliver_tap+0x22d/0xc20
[ 60.299931] ? lock_downgrade+0x880/0x880
[ 60.304081] ? kasan_check_read+0x11/0x20
[ 60.308224] audit_receive+0x11a/0x240
[ 60.312096] ? netlink_skb_set_owner_r+0x18e/0x200
[ 60.317014] netlink_unicast+0x53a/0x730
[ 60.321067] ? netlink_attachskb+0x770/0x770
[ 60.325464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.330988] netlink_sendmsg+0x8ae/0xd70
[ 60.335210] ? netlink_unicast+0x730/0x730
[ 60.339479] ? selinux_socket_sendmsg+0x36/0x40
[ 60.344134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.349662] ? security_socket_sendmsg+0x8d/0xc0
[ 60.354403] ? netlink_unicast+0x730/0x730
[ 60.358657] sock_sendmsg+0xd7/0x130
[ 60.362356] ___sys_sendmsg+0x803/0x920
[ 60.366313] ? copy_msghdr_from_user+0x430/0x430
[ 60.371056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.376578] ? __handle_mm_fault+0x7d1/0x3f80
[ 60.381057] ? copy_page_range+0x2030/0x2030
[ 60.385461] ? __do_page_fault+0x676/0xe90
[ 60.389690] ? find_held_lock+0x35/0x130
[ 60.395210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.400735] ? __fget_light+0x1a9/0x230
[ 60.404691] ? __fdget+0x1b/0x20
[ 60.408043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 60.413564] __sys_sendmsg+0x105/0x1d0
[ 60.417533] ? __ia32_sys_shutdown+0x80/0x80
[ 60.421946] ? up_read+0x1a/0x110
[ 60.425388] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 60.430130] ? do_syscall_64+0x26/0x620
[ 60.434092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 60.439457] ? do_syscall_64+0x26/0x620
[ 60.443452] __x64_sys_sendmsg+0x78/0xb0
[ 60.447502] do_syscall_64+0xfd/0x620
[ 60.451286] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 60.456456] RIP: 0033:0x4401a9
[ 60.459631] 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
[ 60.479295] RSP: 002b:00007ffc8a30fd28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 60.486981] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9
[ 60.494764] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003
[ 60.502029] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[ 60.509298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30
[ 60.516556] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000
[ 60.523813] Modules linked in:
[ 60.526998] ---[ end trace af1840a5d5e473d6 ]---
[ 60.531742] RIP: 0010:__phys_addr+0xb3/0x120
[ 60.536139] Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 c6 56 39 00 48 85 db 75 0f e8 1c 55 39 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 0d 55 39 00 <0f> 0b e8 06 55 39 00 48 c7 c0 10 50 e7 88 48 ba 00 00 00 00 00 fc
[ 60.555055] RSP: 0018:ffff88808582f540 EFLAGS: 00010093
[ 60.560401] RAX: ffff88808e612540 RBX: 0000000002777259 RCX: ffffffff81318752
[ 60.567653] RDX: 0000000000000000 RSI: ffffffff813187b3 RDI: 0000000000000006
[ 60.574919] RBP: ffff88808582f558 R08: ffff88808e612540 R09: ffffed1015d24733
[ 60.582175] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000778002777259
[ 60.589438] R13: 0000000082777259 R14: ffff8880a9b84480 R15: 0000000000000010
[ 60.596740] FS: 00000000021a2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 60.604962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.610830] CR2: 00000000200004c0 CR3: 000000008bf9a000 CR4: 00000000001406e0
[ 60.618089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.625354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.632608] Kernel panic - not syncing: Fatal exception
[ 60.639159] Kernel Offset: disabled
[ 60.642784] Rebooting in 86400 seconds..