forked to background, child pid 193
Starting sshd: OK
syzkaller
syzkaller login: [ 13.608667][ T22] kauditd_printk_skb: 60 callbacks suppressed
[ 13.608676][ T22] audit: type=1400 audit(1644622723.840:71): avc: denied { transition } for pid=266 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
[ 13.616705][ T22] audit: type=1400 audit(1644622723.840:72): avc: denied { write } for pid=266 comm="sh" path="pipe:[518]" dev="pipefs" ino=518 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
[ 66.917762][ T116] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts.
executing program
[ 546.162089][ T22] audit: type=1400 audit(1644623256.390:73): avc: denied { execmem } for pid=300 comm="syz-executor123" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 546.181593][ T22] audit: type=1400 audit(1644623256.390:74): avc: denied { read write } for pid=300 comm="syz-executor123" name="loop0" dev="devtmpfs" ino=9399 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 546.184133][ T302] incfs: Backing dir is not set, filesystem can't be mounted.
[ 546.205826][ T22] audit: type=1400 audit(1644623256.390:75): avc: denied { open } for pid=300 comm="syz-executor123" path="/dev/loop0" dev="devtmpfs" ino=9399 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 546.205840][ T22] audit: type=1400 audit(1644623256.390:76): avc: denied { ioctl } for pid=300 comm="syz-executor123" path="/dev/loop0" dev="devtmpfs" ino=9399 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 546.205853][ T22] audit: type=1400 audit(1644623256.410:77): avc: denied { mounton } for pid=302 comm="syz-executor123" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 546.285952][ T302] kasan: CONFIG_KASAN_INLINE enabled
[ 546.291279][ T302] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 546.299386][ T302] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 546.306307][ T302] CPU: 0 PID: 302 Comm: syz-executor123 Not tainted 5.4.161-syzkaller-00001-gffa24218d8b0 #0
[ 546.316427][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 546.326642][ T302] RIP: 0010:incfs_kill_sb+0x4c/0x100
[ 546.331900][ T302] Code: 8d b3 f0 03 00 00 4d 89 f7 49 c1 ef 03 41 80 3c 2f 00 74 08 4c 89 f7 e8 42 34 b2 ff 4d 8b 2e 49 8d 5d 10 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 26 34 b2 ff 48 8b 1b 48 83 c3 30 48
[ 546.351474][ T302] RSP: 0018:ffff8881deae7cb0 EFLAGS: 00010202
[ 546.357564][ T302] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff8881dece1f80
[ 546.365507][ T302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881deb47000
[ 546.373468][ T302] RBP: dffffc0000000000 R08: ffffffff821f6174 R09: ffffed103bd5cf1e
[ 546.381408][ T302] R10: ffffed103bd5cf1e R11: 0000000000000000 R12: ffff8881deb47000
[ 546.389348][ T302] R13: 0000000000000000 R14: ffff8881deb473f0 R15: 1ffff1103bd68e7e
[ 546.397378][ T302] FS: 0000555556ace3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 546.406305][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 546.412864][ T302] CR2: 0000558336cb0038 CR3: 00000001de96a000 CR4: 00000000003406f0
[ 546.420810][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 546.428754][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 546.436781][ T302] Call Trace:
[ 546.440051][ T302] deactivate_locked_super+0xaf/0x100
[ 546.445402][ T302] incfs_mount_fs+0x772/0x840
[ 546.450050][ T302] legacy_get_tree+0xde/0x170
[ 546.454704][ T302] ? incfs_unlink+0x80/0x80
[ 546.459199][ T302] vfs_get_tree+0x83/0x260
[ 546.463597][ T302] do_mount+0x17be/0x2390
[ 546.467984][ T302] ? copy_mount_options+0xc9/0x300
[ 546.473065][ T302] ksys_mount+0xc2/0xf0
[ 546.477198][ T302] __x64_sys_mount+0xb1/0xc0
[ 546.481867][ T302] do_syscall_64+0xcb/0x1e0
[ 546.486385][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 546.492255][ T302] RIP: 0033:0x7f42581138a9
[ 546.496640][ T302] 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
[ 546.516298][ T302] RSP: 002b:00007fff679a3d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 546.524677][ T302] RAX: ffffffffffffffda RBX: 00007fff679a3dc8 RCX: 00007f42581138a9
[ 546.532616][ T302] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 0000000000000000
[ 546.540643][ T302] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 546.548582][ T302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff679a3dc0
[ 546.556525][ T302] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 546.564465][ T302] Modules linked in:
[ 546.568460][ T302] ---[ end trace 87794513f2a6885d ]---
[ 546.573971][ T302] RIP: 0010:incfs_kill_sb+0x4c/0x100
[ 546.579385][ T302] Code: 8d b3 f0 03 00 00 4d 89 f7 49 c1 ef 03 41 80 3c 2f 00 74 08 4c 89 f7 e8 42 34 b2 ff 4d 8b 2e 49 8d 5d 10 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 26 34 b2 ff 48 8b 1b 48 83 c3 30 48
[ 546.599034][ T302] RSP: 0018:ffff8881deae7cb0 EFLAGS: 00010202
[ 546.605092][ T302] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff8881dece1f80
[ 546.613071][ T302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881deb47000
[ 546.621071][ T302] RBP: dffffc0000000000 R08: ffffffff821f6174 R09: ffffed103bd5cf1e
[ 546.629070][ T302] R10: ffffed103bd5cf1e R11: 0000000000000000 R12: ffff8881deb47000
[ 546.637233][ T302] R13: 0000000000000000 R14: ffff8881deb473f0 R15: 1ffff1103bd68e7e
[ 546.645242][ T302] FS: 0000555556ace3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 546.654206][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 546.660886][ T302] CR2: 0000558336cb0038 CR3: 00000001de96a000 CR4: 00000000003406f0
[ 546.668888][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 546.676862][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 546.684854][ T302] Kernel panic - not syncing: Fatal exception
[ 546.691128][ T302] Kernel Offset: disabled
[ 546.695621][ T302] Rebooting in 86400 seconds..