Extracting prog: 6m54.968987996s
Minimizing prog: 1h34m56.450093483s
Simplifying prog options: 16m8.279610833s
Extracting C: 5m12.642757852s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-setsockopt$packet_buf-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r2, &(0x7f0000000040)='FROZEN\x00', 0x7)
setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0) (async)
r3 = openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f0000000240), 0x12)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-setsockopt$packet_buf-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r2, &(0x7f0000000040)='FROZEN\x00', 0x7)
setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0) (async)
r3 = openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f0000000240), 0x12)

program crashed: BUG: MAX_LOCKDEP_CHAINS too low!
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-setsockopt$packet_buf-openat$cgroup_procs
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r2, &(0x7f0000000040)='FROZEN\x00', 0x7)
setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0) (async)
openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-setsockopt$packet_buf-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r2, &(0x7f0000000040)='FROZEN\x00', 0x7)
setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0) (async)
write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r2, &(0x7f0000000040)='FROZEN\x00', 0x7)
r3 = openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f0000000240), 0x12)

program crashed: BUG: MAX_LOCKDEP_CHAINS too low!
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
r2 = openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_root-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
write$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-mkdirat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r1 = openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x846512678b3a18b2}) (async)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_freezer_state(r1, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r2, &(0x7f0000000040)='FROZEN\x00', 0x7)
r3 = openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x8002, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program crashed: BUG: MAX_LOCKDEP_CHAINS too low!
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program crashed: BUG: MAX_LOCKDEP_CHAINS too low!
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, 0x0, 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, 0x0, 0x0)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, 0x0, 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
testing program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m37.204729093s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m37.204729093s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program crashed: BUG: MAX_LOCKDEP_CHAINS too low!
extracting C reproducer
testing compiled C program (duration=6m37.204729093s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m37.204729093s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0)
write$cgroup_freezer_state(r1, &(0x7f0000000040)='FROZEN\x00', 0x7)
r2 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f0000000240), 0x12)

program did not crash
reproducing took 2h3m12.410417164s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.171-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b64/0x7638 kernel/locking/lockdep.c:5012
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 do_write_seqcount_begin_nested include/linux/seqlock.h:519 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:545 [inline]
 vtime_task_switch_generic+0x220/0xb38 kernel/sched/cputime.c:774
 vtime_task_switch include/linux/vtime.h:95 [inline]
 finish_task_switch+0x3e0/0x6b4 kernel/sched/core.c:4895
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0xf14/0x1e48 kernel/sched/core.c:6373
 preempt_schedule_common+0x140/0x260 kernel/sched/core.c:6549
 preempt_schedule+0x64/0x84 kernel/sched/core.c:6574
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
 _raw_spin_unlock_irqrestore+0x114/0x158 kernel/locking/spinlock.c:194
 debug_object_assert_init+0x2a0/0x3c4 lib/debugobjects.c:883
 debug_timer_assert_init kernel/time/timer.c:739 [inline]
 debug_assert_init kernel/time/timer.c:784 [inline]
 del_timer+0xa8/0x2b4 kernel/time/timer.c:1224
 wg_timers_any_authenticated_packet_sent+0x20/0x30 drivers/net/wireguard/timers.c:170
 wg_packet_create_data_done drivers/net/wireguard/send.c:248 [inline]
 wg_packet_tx_worker+0x158/0x714 drivers/net/wireguard/send.c:276
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Bluetooth: hci53: command 0x040f tx timeout
Bluetooth: hci54: command 0x040f tx timeout

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.171-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b64/0x7638 kernel/locking/lockdep.c:5012
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 do_write_seqcount_begin_nested include/linux/seqlock.h:519 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:545 [inline]
 vtime_task_switch_generic+0x220/0xb38 kernel/sched/cputime.c:774
 vtime_task_switch include/linux/vtime.h:95 [inline]
 finish_task_switch+0x3e0/0x6b4 kernel/sched/core.c:4895
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0xf14/0x1e48 kernel/sched/core.c:6373
 preempt_schedule_common+0x140/0x260 kernel/sched/core.c:6549
 preempt_schedule+0x64/0x84 kernel/sched/core.c:6574
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
 _raw_spin_unlock_irqrestore+0x114/0x158 kernel/locking/spinlock.c:194
 debug_object_assert_init+0x2a0/0x3c4 lib/debugobjects.c:883
 debug_timer_assert_init kernel/time/timer.c:739 [inline]
 debug_assert_init kernel/time/timer.c:784 [inline]
 del_timer+0xa8/0x2b4 kernel/time/timer.c:1224
 wg_timers_any_authenticated_packet_sent+0x20/0x30 drivers/net/wireguard/timers.c:170
 wg_packet_create_data_done drivers/net/wireguard/send.c:248 [inline]
 wg_packet_tx_worker+0x158/0x714 drivers/net/wireguard/send.c:276
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Bluetooth: hci53: command 0x040f tx timeout
Bluetooth: hci54: command 0x040f tx timeout