Extracting prog: 10m0.991278489s
Minimizing prog: 2h26m22.346555123s
Simplifying prog options: 12m28.488261815s
Extracting C: 5m12.839082496s
Simplifying C: 0s


extracting reproducer from 78 programs
testing a last program of every proc
single: executing 28 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$inet-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_extract_tcp_res$synack-syz_emit_ethernet-syz_emit_ethernet-syz_open_dev$MSR-syz_extract_tcp_res-ioctl$DRM_IOCTL_PANTHOR_VM_CREATE-connect$inet-socket$inet_smc-socket$inet_mptcp-setsockopt$inet_tcp_TCP_CONGESTION-getsockopt$inet_tcp_buf-mount-setsockopt$packet_rx_ring
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x3, 0x300)
bind$inet(0xffffffffffffffff, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000200)={0x8, 0x8a}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x3)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
syz_extract_tcp_res$synack(0x0, 0x1, 0x0)
syz_emit_ethernet(0x5e, &(0x7f0000000400)=ANY=[@ANYRESOCT, @ANYRES32=0x41424344, @ANYBLOB], 0x0)
syz_emit_ethernet(0x329, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
syz_extract_tcp_res(&(0x7f0000000000), 0x2, 0x3)
ioctl$DRM_IOCTL_PANTHOR_VM_CREATE(0xffffffffffffffff, 0xc0106441, 0x0)
connect$inet(0xffffffffffffffff, 0x0, 0x0)
socket$inet_smc(0x2b, 0x1, 0x0)
r1 = socket$inet_mptcp(0x2, 0x1, 0x106)
setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='nv', 0x2)
getsockopt$inet_tcp_buf(r1, 0x6, 0x1a, 0x0, 0x0)
mount(&(0x7f0000000140)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000000040)='./cgroup\x00', &(0x7f0000000000)='debugfs\x00', 0x208800, 0x0)
setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f0000000040)=@req3={0x1000, 0x3a, 0x1000, 0x3a, 0x770, 0x0, 0xbabd}, 0x1c)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 19 syscalls
minimizing guilty program
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(0x0, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-mprotect-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-fcntl$lock-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-timer_create-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-gettid-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
gettid()
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in corrupted
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in corrupted
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in mas_preallocate
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r2 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r3 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r2, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in pte_alloc_one
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
getpid()
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in corrupted
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in schedule_timeout
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
gettid()
timer_create(0x0, 0x0, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r0 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r1 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r0, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, 0x0)
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, 0x0, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in cfg80211_wiphy_work
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in batadv_nc_worker
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
testing program (duration=6m0s, {Threaded:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
validation run: crashed=false
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in sys_readlink
validation run: crashed=true
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
validation run: crashed=false
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program did not crash
validation run: crashed=false
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
validation run: crashed=false
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
validation run: crashed=false
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
validation run: crashed=true
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mmap$KVM_VCPU-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-syz_memcpy_off$KVM_EXIT_HYPERCALL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x100000b, 0x204031, 0xffffffffffffffff, 0xec776000)
r1 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x3000)=nil, 0x930, 0x1000002, 0x4018831, 0xffffffffffffffff, 0x0)
r2 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r2, 0xc018aa3f, 0x0)
ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, 0x0)
syz_memcpy_off$KVM_EXIT_HYPERCALL(r1, 0x20, &(0x7f0000000000)="aafc361abad74318502891c4c26423fb18e301de0a534d0136cd3295dd6a6d299206fef236153a6fb9f3ddaf173b35381663ab6d9a0d7eda9ebe3f5459c0c467048e63a19e308071", 0x0, 0x48)

program crashed: INFO: rcu detected stall in batadv_nc_worker
validation run: crashed=true
reproducing took 3h32m52.654651489s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P11/1:b..l
	(detected by 0, t=10503 jiffies, g=18225, q=69 ncpus=2)
task:kworker/u4:1    state:R  running task     stack:25136 pid:11    ppid:2      flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5666
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90000107ac0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 69d3efef53fe6f00
RDX: 0000000000000000 RSI: ffffffff8a8c2c20 RDI: ffffffff8adf2060
RBP: ffffc90000107bc8 R08: dffffc0000000000 R09: 1ffffffff215fe48
R10: dffffc0000000000 R11: fffffbfff215fe49 R12: 0000000000000001
R13: 1ffff92000020f64 R14: 0000000000000246 R15: dffffc0000000000
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0xeb/0x600 net/batman-adv/network-coding.c:719
 process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: rcu_preempt kthread starved for 10528 jiffies! g18225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27736 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6731
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6755
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x10d/0x120 kernel/locking/spinlock.c:194
 prepare_to_swait_event+0x335/0x350 kernel/sched/swait.c:119
 rcu_gp_fqs_loop+0x2ce/0x1340 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 6728 Comm: syz.2.1088 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:lock_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5666
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90004a77b60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 64eeba9c7e753d00
RDX: 0000000000000000 RSI: ffffffff8a8c2c20 RDI: ffffffff8adf2060
RBP: ffffc90004a77c80 R08: dffffc0000000000 R09: 1ffffffff215fe4e
R10: dffffc0000000000 R11: fffffbfff215fe4f R12: 0000000000000000
R13: 1ffff9200094ef78 R14: 0000000000000246 R15: dffffc0000000000
FS:  00007fe472fbf6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000007be99000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __might_fault+0xc2/0x120 mm/memory.c:5850
 _copy_from_user+0x27/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:161 [inline]
 restore_sigcontext arch/x86/kernel/signal.c:92 [inline]
 __ia32_sys_rt_sigreturn+0x21d/0x760 arch/x86/kernel/signal.c:675
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe47213e1d9
Code: 11 06 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 0c 25
RSP: 002b:00007fe472fbeb40 EFLAGS: 00000206 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007fe472415fa8 RCX: 00007fe47213e1d9
RDX: 00007fe472fbeb40 RSI: 00007fe472fbec70 RDI: 0000000000000021
RBP: 00007fe472415fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fe472416038 R14: 00007ffd103dcac0 R15: 00007ffd103dcba8
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P11/1:b..l
	(detected by 0, t=10503 jiffies, g=18225, q=69 ncpus=2)
task:kworker/u4:1    state:R  running task     stack:25136 pid:11    ppid:2      flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5666
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90000107ac0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 69d3efef53fe6f00
RDX: 0000000000000000 RSI: ffffffff8a8c2c20 RDI: ffffffff8adf2060
RBP: ffffc90000107bc8 R08: dffffc0000000000 R09: 1ffffffff215fe48
R10: dffffc0000000000 R11: fffffbfff215fe49 R12: 0000000000000001
R13: 1ffff92000020f64 R14: 0000000000000246 R15: dffffc0000000000
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0xeb/0x600 net/batman-adv/network-coding.c:719
 process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: rcu_preempt kthread starved for 10528 jiffies! g18225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27736 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6731
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6755
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x10d/0x120 kernel/locking/spinlock.c:194
 prepare_to_swait_event+0x335/0x350 kernel/sched/swait.c:119
 rcu_gp_fqs_loop+0x2ce/0x1340 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 6728 Comm: syz.2.1088 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:lock_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5666
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90004a77b60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 64eeba9c7e753d00
RDX: 0000000000000000 RSI: ffffffff8a8c2c20 RDI: ffffffff8adf2060
RBP: ffffc90004a77c80 R08: dffffc0000000000 R09: 1ffffffff215fe4e
R10: dffffc0000000000 R11: fffffbfff215fe4f R12: 0000000000000000
R13: 1ffff9200094ef78 R14: 0000000000000246 R15: dffffc0000000000
FS:  00007fe472fbf6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000007be99000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __might_fault+0xc2/0x120 mm/memory.c:5850
 _copy_from_user+0x27/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:161 [inline]
 restore_sigcontext arch/x86/kernel/signal.c:92 [inline]
 __ia32_sys_rt_sigreturn+0x21d/0x760 arch/x86/kernel/signal.c:675
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe47213e1d9
Code: 11 06 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 0c 25
RSP: 002b:00007fe472fbeb40 EFLAGS: 00000206 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007fe472415fa8 RCX: 00007fe47213e1d9
RDX: 00007fe472fbeb40 RSI: 00007fe472fbec70 RDI: 0000000000000021
RBP: 00007fe472415fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fe472416038 R14: 00007ffd103dcac0 R15: 00007ffd103dcba8
 </TASK>