[ 7.647193][ T22] audit: type=1400 audit(1645964575.010:69): avc: denied { lock } for pid=234 comm="getty" path="/run/utmp" dev="tmpfs" ino=9762 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.650240][ T22] audit: type=1400 audit(1645964575.010:70): avc: denied { read } for pid=234 comm="getty" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 syzkaller syzkaller login: [ 12.773701][ T22] audit: type=1400 audit(1645964580.140:71): avc: denied { transition } for pid=264 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.777070][ T22] audit: type=1400 audit(1645964580.150:72): avc: denied { write } for pid=264 comm="sh" path="pipe:[10331]" dev="pipefs" ino=10331 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 13.617884][ T265] sshd (265) used greatest stack depth: 26888 bytes left [ 66.914671][ T67] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. executing program [ 551.867174][ T22] audit: type=1400 audit(1645965119.240:73): avc: denied { execmem } for pid=299 comm="syz-executor159" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 551.882354][ T301] incfs: Backing dir is not set, filesystem can't be mounted. [ 551.886791][ T22] audit: type=1400 audit(1645965119.240:74): avc: denied { read write } for pid=299 comm="syz-executor159" name="loop0" dev="devtmpfs" ino=9384 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 551.894586][ T301] kasan: CONFIG_KASAN_INLINE enabled [ 551.918420][ T22] audit: type=1400 audit(1645965119.240:75): avc: denied { open } for pid=299 comm="syz-executor159" path="/dev/loop0" dev="devtmpfs" ino=9384 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 551.923708][ T301] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 551.947806][ T22] audit: type=1400 audit(1645965119.240:76): avc: denied { ioctl } for pid=299 comm="syz-executor159" path="/dev/loop0" dev="devtmpfs" ino=9384 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 551.947819][ T22] audit: type=1400 audit(1645965119.250:77): avc: denied { mounton } for pid=301 comm="syz-executor159" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 551.956132][ T301] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 552.011117][ T301] CPU: 1 PID: 301 Comm: syz-executor159 Not tainted 5.4.161-syzkaller-00025-g961dd91cc692 #0 [ 552.021225][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.031253][ T301] RIP: 0010:incfs_kill_sb+0x47/0xe0 [ 552.036413][ T301] Code: 9e f0 03 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 68 32 b2 ff 4c 8b 23 49 8d 5c 24 10 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 4a 32 b2 ff 48 8b 1b 48 83 c3 30 [ 552.055983][ T301] RSP: 0018:ffff8881de627cb8 EFLAGS: 00010202 [ 552.062013][ T301] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff8881de8cee40 [ 552.069951][ T301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881de5af000 [ 552.077890][ T301] RBP: 0000000000000000 R08: ffffffff821f6354 R09: ffffed103bcc4f1c [ 552.085832][ T301] R10: ffffed103bcc4f1c R11: 0000000000000000 R12: 0000000000000000 [ 552.093769][ T301] R13: dffffc0000000000 R14: ffff8881de5af000 R15: dffffc0000000000 [ 552.101708][ T301] FS: 0000555555ae03c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 552.110601][ T301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 552.117149][ T301] CR2: 0000000000000000 CR3: 00000001de4d4000 CR4: 00000000003406e0 [ 552.125125][ T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 552.133065][ T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 552.140999][ T301] Call Trace: [ 552.144263][ T301] deactivate_locked_super+0xaf/0x100 [ 552.149600][ T301] incfs_mount_fs+0x70c/0x7d0 [ 552.154243][ T301] legacy_get_tree+0xde/0x170 [ 552.158900][ T301] ? incfs_unlink+0x80/0x80 [ 552.163367][ T301] vfs_get_tree+0x83/0x260 [ 552.167748][ T301] do_mount+0x17be/0x2390 [ 552.172045][ T301] ? copy_mount_options+0xc9/0x300 [ 552.177135][ T301] ksys_mount+0xc2/0xf0 [ 552.181268][ T301] __x64_sys_mount+0xb1/0xc0 [ 552.185824][ T301] do_syscall_64+0xcb/0x1e0 [ 552.190292][ T301] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 552.196150][ T301] RIP: 0033:0x7efd2e7428a9 [ 552.200533][ T301] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 552.220100][ T301] RSP: 002b:00007ffe1bf15138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 552.228479][ T301] RAX: ffffffffffffffda RBX: 00007ffe1bf15178 RCX: 00007efd2e7428a9 [ 552.236417][ T301] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 0000000000000000 [ 552.244357][ T301] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 552.252300][ T301] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1bf15170 [ 552.260292][ T301] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 552.268241][ T301] Modules linked in: [ 552.272668][ T301] ---[ end trace 5bf23950c2270e16 ]--- [ 552.278175][ T301] RIP: 0010:incfs_kill_sb+0x47/0xe0 [ 552.283358][ T301] Code: 9e f0 03 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 68 32 b2 ff 4c 8b 23 49 8d 5c 24 10 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 4a 32 b2 ff 48 8b 1b 48 83 c3 30 [ 552.303144][ T301] RSP: 0018:ffff8881de627cb8 EFLAGS: 00010202 [ 552.309236][ T301] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff8881de8cee40 [ 552.317253][ T301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881de5af000 [ 552.325265][ T301] RBP: 0000000000000000 R08: ffffffff821f6354 R09: ffffed103bcc4f1c [ 552.333212][ T301] R10: ffffed103bcc4f1c R11: 0000000000000000 R12: 0000000000000000 [ 552.341200][ T301] R13: dffffc0000000000 R14: ffff8881de5af000 R15: dffffc0000000000 [ 552.349168][ T301] FS: 0000555555ae03c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 552.358116][ T301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 552.364858][ T301] CR2: 0000000000000000 CR3: 00000001de4d4000 CR4: 00000000003406e0 [ 552.372803][ T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 552.380782][ T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 552.388743][ T301] Kernel panic - not syncing: Fatal exception [ 552.394940][ T301] Kernel Offset: disabled [ 552.399243][ T301] Rebooting in 86400 seconds..