Extracting prog: 37.118461518s
Minimizing prog: 26m37.170295815s
Simplifying prog options: 0s
Extracting C: 35.40179179s
Simplifying C: 9m25.186198713s


extracting reproducer from 46 programs
first checking the prog from the crash report
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex-sendmsg$nl_route-bpf$MAP_CREATE-bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM-openat$ptp0-dup-ioctl$PTP_EXTTS_REQUEST2
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000040)=@base={0x16, 0x0, 0xb4, 0x7f}, 0x50)
bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, 0x0, 0x0)
r1 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
r2 = dup(r1)
ioctl$PTP_EXTTS_REQUEST2(r2, 0x40383d0c, &(0x7f0000000040)={0x8, 0x4})

program crashed: WARNING in hugetlb_split
single: successfully extracted reproducer
found reproducer with 16 syscalls
minimizing guilty program
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex-sendmsg$nl_route-bpf$MAP_CREATE-bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM-openat$ptp0-dup
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000040)=@base={0x16, 0x0, 0xb4, 0x7f}, 0x50)
bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, 0x0, 0x0)
r1 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
dup(r1)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex-sendmsg$nl_route-bpf$MAP_CREATE-bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM-openat$ptp0
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000040)=@base={0x16, 0x0, 0xb4, 0x7f}, 0x50)
bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, 0x0, 0x0)
openat$ptp0(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex-sendmsg$nl_route-bpf$MAP_CREATE-bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000040)=@base={0x16, 0x0, 0xb4, 0x7f}, 0x50)
bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, 0x0, 0x0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex-sendmsg$nl_route-bpf$MAP_CREATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000040)=@base={0x16, 0x0, 0xb4, 0x7f}, 0x50)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex-sendmsg$nl_route
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs-fcntl$setownex
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)
fcntl$setownex(0xffffffffffffffff, 0xf, 0x0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket-syz_genetlink_get_family_id$ipvs
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
r0 = socket(0x10, 0x803, 0x1)
syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet-socket
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)
socket(0x10, 0x803, 0x1)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise-socket$packet
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)
socket$packet(0x11, 0x2, 0x300)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)
madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace-syz_pidfd_open
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)
syz_pidfd_open(0x0, 0x0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range-ptrace
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ptrace(0x10, 0x0)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-close_range
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)

program crashed: WARNING in hugetlb_split
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)

program did not crash
extracting C reproducer
testing compiled C 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
program crashed: WARNING in hugetlb_split
simplifying C reproducer
testing compiled C program (duration=30s, {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}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
program crashed: WARNING in hugetlb_split
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)

program crashed: WARNING in hugetlb_split
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)

program crashed: WARNING in hugetlb_split
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)

program crashed: WARNING in hugetlb_split
validation run: crashed=true
reproducing took 41m29.556325579s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4441 at include/linux/fs.h:509 i_mmap_assert_write_locked include/linux/fs.h:509 [inline]
WARNING: CPU: 1 PID: 4441 at include/linux/fs.h:509 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4923
Modules linked in:
CPU: 1 PID: 4441 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:509 [inline]
RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4923
Code: b4 ff 4c 89 f7 48 89 de 4c 89 fa 31 c9 5b 41 5c 41 5d 41 5e 41 5f 5d eb 7d e8 58 6d b4 ff 0f 0b e9 65 fe ff ff e8 4c 6d b4 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 64 4b 21 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900036c7608 EFLAGS: 00010293
RAX: ffffffff81cdd444 RBX: 0000200000200000 RCX: ffff88807e588000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888078e8976f R09: 1ffff1100f1d12ed
R10: dffffc0000000000 R11: ffffed100f1d12ee R12: ffff888076f34070
R13: dffffc0000000000 R14: ffff888076f34000 R15: ffff88807eb1e1b8
FS:  000055557b30e500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e59c70050 CR3: 000000007dbfe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vma_adjust+0x553/0x1d00 mm/mmap.c:737
 vma_adjust include/linux/mm.h:2810 [inline]
 __split_vma+0x3a2/0x4f0 mm/mmap.c:-1
 do_mas_align_munmap+0x7b8/0x12d0 mm/mmap.c:2501
 do_mas_munmap+0x240/0x2b0 mm/mmap.c:2650
 __mmap_region mm/mmap.c:2698 [inline]
 mmap_region+0x7ab/0x1c50 mm/mmap.c:2916
 do_mmap+0x9ce/0x10d0 mm/mmap.c:1436
 vm_mmap_pgoff+0x1c1/0x2d0 mm/util.c:520
 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: 0033:0x7f4e59d9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc458fde08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f4e5a025fa0 RCX: 00007f4e59d9e159
RDX: 000000000300000b RSI: 0000000000200000 RDI: 0000200000000000
RBP: 00007f4e59e3503b R08: ffffffffffffffff R09: 00000000ec776000
R10: 0000000000204031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4e5a025fac R14: 00007f4e5a025fa0 R15: 00007f4e5a025fa0
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4441 at include/linux/fs.h:509 i_mmap_assert_write_locked include/linux/fs.h:509 [inline]
WARNING: CPU: 1 PID: 4441 at include/linux/fs.h:509 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4923
Modules linked in:
CPU: 1 PID: 4441 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:509 [inline]
RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4923
Code: b4 ff 4c 89 f7 48 89 de 4c 89 fa 31 c9 5b 41 5c 41 5d 41 5e 41 5f 5d eb 7d e8 58 6d b4 ff 0f 0b e9 65 fe ff ff e8 4c 6d b4 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 64 4b 21 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900036c7608 EFLAGS: 00010293
RAX: ffffffff81cdd444 RBX: 0000200000200000 RCX: ffff88807e588000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888078e8976f R09: 1ffff1100f1d12ed
R10: dffffc0000000000 R11: ffffed100f1d12ee R12: ffff888076f34070
R13: dffffc0000000000 R14: ffff888076f34000 R15: ffff88807eb1e1b8
FS:  000055557b30e500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e59c70050 CR3: 000000007dbfe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vma_adjust+0x553/0x1d00 mm/mmap.c:737
 vma_adjust include/linux/mm.h:2810 [inline]
 __split_vma+0x3a2/0x4f0 mm/mmap.c:-1
 do_mas_align_munmap+0x7b8/0x12d0 mm/mmap.c:2501
 do_mas_munmap+0x240/0x2b0 mm/mmap.c:2650
 __mmap_region mm/mmap.c:2698 [inline]
 mmap_region+0x7ab/0x1c50 mm/mmap.c:2916
 do_mmap+0x9ce/0x10d0 mm/mmap.c:1436
 vm_mmap_pgoff+0x1c1/0x2d0 mm/util.c:520
 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: 0033:0x7f4e59d9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc458fde08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f4e5a025fa0 RCX: 00007f4e59d9e159
RDX: 000000000300000b RSI: 0000000000200000 RDI: 0000200000000000
RBP: 00007f4e59e3503b R08: ffffffffffffffff R09: 00000000ec776000
R10: 0000000000204031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4e5a025fac R14: 00007f4e5a025fa0 R15: 00007f4e5a025fa0
 </TASK>