[   85.037463] audit: type=1400 audit(1746551396.613:6): avc:  denied  { checkpoint_restore } for  pid=219 comm="agetty" capability=40  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1

Debian GNU/Linux 11 syzkaller ttyS0

Warning: Permanently added '[localhost]:61256' (ECDSA) to the list of known hosts.
2025/05/06 17:10:02 fuzzer started
2025/05/06 17:10:03 dialing manager at localhost:34233
2025/05/06 17:10:03 checking machine...
2025/05/06 17:10:03 checking revisions...
syzkaller login: [   91.990214] kmemleak: Automatic memory scanning thread ended
2025/05/06 17:10:03 testing simple program...
[   92.160750] cgroup: Unknown subsys name 'net'
[   92.302844] cgroup: Unknown subsys name 'cpuset'
[   92.341523] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
executing program
[  107.322772] audit: type=1400 audit(1746551418.899:7): avc:  denied  { execmem } for  pid=272 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[  108.518776] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  108.524259] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  108.527440] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  108.537147] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  108.543013] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
executing program
[  110.601542] Bluetooth: hci0: command tx timeout
[  112.649531] Bluetooth: hci0: command tx timeout
executing program
[  114.697051] Bluetooth: hci0: command tx timeout
executing program
[  116.744997] Bluetooth: hci0: command tx timeout
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  140.182037] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  140.183401] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  140.265676] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  140.267396] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/05/06 17:10:52 Manager.Check call failed: machine check failed: got no coverage:

VM DIAGNOSIS:
17:10:52  Registers:
info registers vcpu 0
RAX=0000000000000001 RBX=ffff888009217e40 RCX=ffffffff865eb242 RDX=ffff888009218001
RSI=0000000000000000 RDI=ffff8880092178d8 RBP=ffff888009210000 RSP=ffff888009217848
R8 =ffffffff865eb246 R9 =ffff888009217908 R10=0000000000038232 R11=0000000000008847
R12=ffff888009217901 R13=ffff888009217910 R14=ffff888009217e40 R15=ffff8880092178c8
RIP=ffffffff81576e45 RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff8880e5ab9000 00000000 00000000
LDT=0000 fffffe2c00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000001000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00005644c80d80b8 CR3=000000000eb7e000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=25252525252525252525252525252525 XMM01=0000000000ff000000000000000000ff
XMM02=0000000000ff000000000000000000ff XMM03=68a8aee3740b9fad0000000000105d60
XMM04=c32b0527261c5ca000000000000ae988 XMM05=6d9200fd3a0907310000000000137fd0
XMM06=6098c19552daab49000000000011c928 XMM07=ea899072da79512f0000000000105eb8
XMM08=636f72702f0064696e6f697373657300 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000000 RBX=ffffffff862996a0 RCX=ffffffff815ce0ad RDX=0000000000000000
RSI=ffffffff86629c9c RDI=ffffffff86299698 RBP=ffffffff862996a4 RSP=ffff888009347810
R8 =ffffffff86629c9c R9 =0000000000000001 R10=0000000000038232 R11=0000000000012f5e
R12=ffffffff862996a4 R13=ffffffff86299698 R14=ffffffff862996a0 R15=dffffc0000000000
RIP=ffffffff8133b578 RFL=00000256 [---ZAP-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff8880e5bb9000 00000000 00000000
LDT=0000 fffffe0600000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000048000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00005644c80a74d8 CR3=000000001e429000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=ffff000000000000ff00000000000000
XMM02=ffffff0f0e0d0c0b0a09080706050403 XMM03=696e656420737365636341002f737973
XMM04=00000000000000000000000000000000 XMM05=4c414954494e495f4345535500323038
XMM06=59545645440068746f6f7465756c623d XMM07=63682f306963682f68746f6f7465756c
XMM08=2f63697361622f6372732f2e2e000d0a XMM09=00000000000000000000000000000000
XMM10=00000000002000000000000000200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000