Extracting prog: 3m41.421669777s Minimizing prog: 29m59.465139683s Simplifying prog options: 0s Extracting C: 35.280988198s Simplifying C: 12m49.769933262s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program crashed: kernel BUG in resv_map_release single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) program did not crash testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-mmap$IORING_OFF_SQ_RING-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(0xffffffffffffffff, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(0xffffffffffffffff, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mkdir-mount$cgroup2-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mkdir-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mkdir(0x0, 0x5d) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program crashed: kernel BUG in resv_map_release testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, &(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRESDEC, @ANYBLOB]) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program crashed: kernel BUG in resv_map_release testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, 0x0) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, 0x0) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program did not crash testing program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release simplifying C reproducer testing compiled C program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program did not crash testing compiled C program (duration=1m40s, {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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release testing compiled C program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release testing compiled C program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release testing compiled C program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release testing compiled C program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release testing compiled C program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY program crashed: kernel BUG in resv_map_release testing program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program crashed: kernel BUG in resv_map_release validation run: crashed=true testing program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program crashed: kernel BUG in resv_map_release validation run: crashed=true testing program (duration=1m40s, {Threaded:true Repeat:true 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}}): mount$cgroup2-mmap$IORING_OFF_SQ_RING-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_COPY-ioctl$UFFDIO_COPY detailed listing: executing program 0: mount$cgroup2(0x0, 0x0, 0x0, 0x110002, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x1000002, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x4}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) (async) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000800000/0x800000)=nil, &(0x7f00009b1000/0x4000)=nil, 0x800000}) program crashed: kernel BUG in resv_map_release validation run: crashed=true reproducing took 52m7.509201622s repro crashed as (corrupted=false): ------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:1153! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6260 Comm: syz.0.68 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1153 Code: f1 ba a0 ff 4d 85 f6 75 1b e8 87 b5 a0 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 e3 fa ff e8 6c b5 a0 ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003c47758 EFLAGS: 00010293 RAX: ffffffff8223af34 RBX: ffff888038557000 RCX: ffff88803a25bd00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1ed4777 R12: ffff8880385570a0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880385570a0 FS: 0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000a00000 CR3: 000000000dbba000 CR4: 00000000003526f0 Call Trace: vma_close mm/internal.h:190 [inline] remove_vma+0x8b/0x130 mm/vma.c:466 tear_down_vmas+0x312/0x520 mm/mmap.c:1264 exit_mmap+0x4b6/0xa10 mm/mmap.c:1322 __mmput+0xcb/0x3d0 kernel/fork.c:1174 exit_mm+0x168/0x220 kernel/exit.c:581 do_exit+0x6a2/0x23c0 kernel/exit.c:964 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118 get_signal+0x125c/0x1310 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline] do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c24abc799 Code: Unable to access opcode bytes at 0x7f9c24abc76f. RSP: 002b:00007f9c241160e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f9c24d35fa8 RCX: 00007f9c24abc799 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9c24d35fa8 RBP: 00007f9c24d35fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9c24d36038 R14: 00007ffe29968b10 R15: 00007ffe29968bf8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1153 Code: f1 ba a0 ff 4d 85 f6 75 1b e8 87 b5 a0 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 e3 fa ff e8 6c b5 a0 ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003c47758 EFLAGS: 00010293 RAX: ffffffff8223af34 RBX: ffff888038557000 RCX: ffff88803a25bd00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1ed4777 R12: ffff8880385570a0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880385570a0 FS: 0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000a00000 CR3: 000000000dbba000 CR4: 00000000003526f0 final repro crashed as (corrupted=false): ------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:1153! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6260 Comm: syz.0.68 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1153 Code: f1 ba a0 ff 4d 85 f6 75 1b e8 87 b5 a0 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 e3 fa ff e8 6c b5 a0 ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003c47758 EFLAGS: 00010293 RAX: ffffffff8223af34 RBX: ffff888038557000 RCX: ffff88803a25bd00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1ed4777 R12: ffff8880385570a0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880385570a0 FS: 0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000a00000 CR3: 000000000dbba000 CR4: 00000000003526f0 Call Trace: vma_close mm/internal.h:190 [inline] remove_vma+0x8b/0x130 mm/vma.c:466 tear_down_vmas+0x312/0x520 mm/mmap.c:1264 exit_mmap+0x4b6/0xa10 mm/mmap.c:1322 __mmput+0xcb/0x3d0 kernel/fork.c:1174 exit_mm+0x168/0x220 kernel/exit.c:581 do_exit+0x6a2/0x23c0 kernel/exit.c:964 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118 get_signal+0x125c/0x1310 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline] do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c24abc799 Code: Unable to access opcode bytes at 0x7f9c24abc76f. RSP: 002b:00007f9c241160e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f9c24d35fa8 RCX: 00007f9c24abc799 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9c24d35fa8 RBP: 00007f9c24d35fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9c24d36038 R14: 00007ffe29968b10 R15: 00007ffe29968bf8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1153 Code: f1 ba a0 ff 4d 85 f6 75 1b e8 87 b5 a0 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 e3 fa ff e8 6c b5 a0 ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003c47758 EFLAGS: 00010293 RAX: ffffffff8223af34 RBX: ffff888038557000 RCX: ffff88803a25bd00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1ed4777 R12: ffff8880385570a0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880385570a0 FS: 0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000a00000 CR3: 000000000dbba000 CR4: 00000000003526f0