Extracting prog: 28.777262447s
Minimizing prog: 18m30.729785973s
Simplifying prog options: 1m17.253589752s
Extracting C: 34.105911173s
Simplifying C: 4m52.335986717s


extracting reproducer from 68 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-syz_open_dev$MSR-openat$procfs-socket$nl_route-mmap-mmap-openat$zero
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/bus/input/handlers\x00', 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)
openat$zero(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)

program crashed: kernel BUG in mmap_region
single: successfully extracted reproducer
found reproducer with 17 syscalls
minimizing guilty program
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-syz_open_dev$MSR-openat$procfs-socket$nl_route-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/bus/input/handlers\x00', 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-syz_open_dev$MSR-openat$procfs-socket$nl_route-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/bus/input/handlers\x00', 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)

program did not crash
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-syz_open_dev$MSR-openat$procfs-socket$nl_route-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/bus/input/handlers\x00', 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program did not crash
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-syz_open_dev$MSR-openat$procfs-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/bus/input/handlers\x00', 0x0, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-syz_open_dev$MSR-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-syz_clone-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
syz_clone(0x50807100, 0x0, 0x0, 0x0, 0x0, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-read$msr-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-sched_setaffinity-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-syz_clone-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x3)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-getpid-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
getpid()
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-sched_setscheduler-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-prlimit64-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-syz_clone-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-openat$cgroup_ro-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_SECCOMP-mmap-mmap
detailed listing:
executing program 0:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x0, &(0x7f00000000c0)})
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, 0xffffffffffffffff, 0x0) (fail_nth: 4)

program did not crash
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0)

program did not crash
testing program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program did not crash
extracting C reproducer
testing compiled C program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program did not crash
simplifying guilty program options
testing program (duration=37.060128693s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x275a, 0x0)
mmap(&(0x7f0000b15000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0)
mmap(&(0x7f0000b15000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) (fail_nth: 4)

program crashed: kernel BUG in mmap_region
extracting C reproducer
testing compiled C program (duration=37.060128693s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program crashed: kernel BUG in mmap_region
simplifying C reproducer
testing compiled C program (duration=37.060128693s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program crashed: kernel BUG in mmap_region
testing compiled C program (duration=37.060128693s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program crashed: kernel BUG in mmap_region
testing compiled C program (duration=37.060128693s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program crashed: kernel BUG in mmap_region
testing compiled C program (duration=37.060128693s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program crashed: kernel BUG in mmap_region
testing compiled C program (duration=37.060128693s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-mmap-mmap
program crashed: kernel BUG in mmap_region
reproducing took 25m56.599864609s
repro crashed as (corrupted=false):
Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff5b291958 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fff5b291970 RCX: 00007efe8996b329
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000200000b15000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000b15000
R13: 00007fff5b291b48 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
------------[ cut here ]------------
kernel BUG at mm/mmap.c:2829!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 282 Comm: syz-executor334 Not tainted 6.1.134-syzkaller-00012-g646380b087a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:__mmap_region mm/mmap.c:2829 [inline]
RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3005
Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 67 11 09 00 4c 89 ea e9 e5 f9 ff ff e8 5a be c4 ff 0f 0b e8 53 be c4 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6a fb ff ff 48 89 df e8
RSP: 0018:ffffc90000e37a60 EFLAGS: 00010293
RAX: ffffffff81ab287d RBX: 0000200000b18000 RCX: ffff88810d748000
RDX: 0000000000000000 RSI: 0000200000b17fff RDI: 0000200000b18000
RBP: ffffc90000e37c50 R08: ffff88810d748000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000200000b18000
R13: 0000200000b17fff R14: dffffc0000000000 R15: ffff88810c367200
FS:  0000555567544380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055581dc66000 CR3: 00000001245a5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_mmap+0x7ae/0xcf0 mm/mmap.c:1474
 vm_mmap_pgoff+0x1f5/0x3f0 mm/util.c:525
 ksys_mmap_pgoff+0x161/0x1d0 mm/mmap.c:1520
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86
 x64_sys_call+0x8fd/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efe8996b329
Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff5b291958 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fff5b291970 RCX: 00007efe8996b329
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000200000b15000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000b15000
R13: 00007fff5b291b48 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mmap_region mm/mmap.c:2829 [inline]
RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3005
Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 67 11 09 00 4c 89 ea e9 e5 f9 ff ff e8 5a be c4 ff 0f 0b e8 53 be c4 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6a fb ff ff 48 89 df e8
RSP: 0018:ffffc90000e37a60 EFLAGS: 00010293
RAX: ffffffff81ab287d RBX: 0000200000b18000 RCX: ffff88810d748000
RDX: 0000000000000000 RSI: 0000200000b17fff RDI: 0000200000b18000
RBP: ffffc90000e37c50 R08: ffff88810d748000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000200000b18000
R13: 0000200000b17fff R14: dffffc0000000000 R15: ffff88810c367200
FS:  0000555567544380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 00000001245a5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 83 c4 28          	add    $0x28,%rsp
   4:	c3                   	ret
   5:	e8 17 1a 00 00       	call   0x1a21
   a:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
* 2a:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax <-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 c7 c1 b8 ff ff ff 	mov    $0xffffffffffffffb8,%rcx
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

final repro crashed as (corrupted=false):
Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff5b291958 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fff5b291970 RCX: 00007efe8996b329
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000200000b15000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000b15000
R13: 00007fff5b291b48 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
------------[ cut here ]------------
kernel BUG at mm/mmap.c:2829!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 282 Comm: syz-executor334 Not tainted 6.1.134-syzkaller-00012-g646380b087a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:__mmap_region mm/mmap.c:2829 [inline]
RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3005
Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 67 11 09 00 4c 89 ea e9 e5 f9 ff ff e8 5a be c4 ff 0f 0b e8 53 be c4 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6a fb ff ff 48 89 df e8
RSP: 0018:ffffc90000e37a60 EFLAGS: 00010293
RAX: ffffffff81ab287d RBX: 0000200000b18000 RCX: ffff88810d748000
RDX: 0000000000000000 RSI: 0000200000b17fff RDI: 0000200000b18000
RBP: ffffc90000e37c50 R08: ffff88810d748000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000200000b18000
R13: 0000200000b17fff R14: dffffc0000000000 R15: ffff88810c367200
FS:  0000555567544380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055581dc66000 CR3: 00000001245a5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_mmap+0x7ae/0xcf0 mm/mmap.c:1474
 vm_mmap_pgoff+0x1f5/0x3f0 mm/util.c:525
 ksys_mmap_pgoff+0x161/0x1d0 mm/mmap.c:1520
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86
 x64_sys_call+0x8fd/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efe8996b329
Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff5b291958 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fff5b291970 RCX: 00007efe8996b329
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000200000b15000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000b15000
R13: 00007fff5b291b48 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mmap_region mm/mmap.c:2829 [inline]
RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3005
Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 67 11 09 00 4c 89 ea e9 e5 f9 ff ff e8 5a be c4 ff 0f 0b e8 53 be c4 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6a fb ff ff 48 89 df e8
RSP: 0018:ffffc90000e37a60 EFLAGS: 00010293
RAX: ffffffff81ab287d RBX: 0000200000b18000 RCX: ffff88810d748000
RDX: 0000000000000000 RSI: 0000200000b17fff RDI: 0000200000b18000
RBP: ffffc90000e37c50 R08: ffff88810d748000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000200000b18000
R13: 0000200000b17fff R14: dffffc0000000000 R15: ffff88810c367200
FS:  0000555567544380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 00000001245a5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 83 c4 28          	add    $0x28,%rsp
   4:	c3                   	ret
   5:	e8 17 1a 00 00       	call   0x1a21
   a:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
* 2a:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax <-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 c7 c1 b8 ff ff ff 	mov    $0xffffffffffffffb8,%rcx
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W