Extracting prog: 1m11.49729722s
Minimizing prog: 27m26.02704083s
Simplifying prog options: 8m15.664349029s
Extracting C: 2m3.075059969s
Simplifying C: 0s


extracting reproducer from 30 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-sendmsg$inet_sctp-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40084}, 0x20004041)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
single: successfully extracted reproducer
found reproducer with 7 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-sendmsg$inet_sctp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40084}, 0x20004041)

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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
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}}): mkdirat-mount-openat-write-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
write(0xffffffffffffffff, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, 0x0, &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', 0x0, 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000), 0x0)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, 0x0, &(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, 0x0, &(0x7f0000000480), &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, &(0x7f00000004c0))
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
program did not crash
simplifying guilty program options
testing 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
extracting 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
program did not crash
testing 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
program did not crash
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_clone
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./proc\x00', 0x161)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x4000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000000)='100', 0x3)
syz_io_uring_setup(0x126b, &(0x7f00000003c0)={0x0, 0x200072db, 0x0, 0x8001, 0x27f}, &(0x7f0000000440), 0x0, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in untrack_pfn
validation run: crashed=true
reproducing took 50m56.14376938s
repro crashed as (corrupted=false):
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007fbdf3e11888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fbdf4001fac R14: 00007fbdf4001fa0 R15: 00007fbdf4001fa0
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4358 at arch/x86/mm/pat/memtype.c:1020 get_pat_info arch/x86/mm/pat/memtype.c:1020 [inline]
WARNING: CPU: 1 PID: 4358 at arch/x86/mm/pat/memtype.c:1020 untrack_pfn+0x3b2/0x420 arch/x86/mm/pat/memtype.c:1122
Modules linked in:
CPU: 1 PID: 4358 Comm: syz.0.20 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:get_pat_info arch/x86/mm/pat/memtype.c:1020 [inline]
RIP: 0010:untrack_pfn+0x3b2/0x420 arch/x86/mm/pat/memtype.c:1122
Code: ff df 66 42 c7 44 2b 04 f8 f8 45 85 e4 4c 8b 74 24 08 74 63 e8 9f 23 42 00 4d 85 f6 75 a5 e8 95 23 42 00 eb 10 e8 8e 23 42 00 <0f> 0b 4d 89 e5 42 c6 44 23 08 f8 42 c6 44 2b 0c f8 48 c7 44 24 20
RSP: 0018:ffffc90002f7f5a0 EFLAGS: 00010293
RAX: ffffffff8136ffd2 RBX: 1ffff920005efeb8 RCX: ffff88802964d940
RDX: 0000000000000000 RSI: 0000000000000028 RDI: 0000000000000020
RBP: ffffc90002f7f698 R08: 0000000000000000 R09: ffffc90002f7f550
R10: dffffc0000000000 R11: ffffed10040750a9 R12: dffffc0000000000
R13: ffff88802c8a2420 R14: 0000000000000028 R15: 00000000ffffffea
FS:  00005555570c3500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000a82cb1a000 CR3: 0000000074c01000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1bb/0x290 mm/memory.c:1600
 unmap_vmas+0x131/0x250 mm/memory.c:1653
 exit_mmap+0x3b9/0x640 mm/mmap.c:3216
 __mmput+0x115/0x390 kernel/fork.c:1133
 mmput kernel/fork.c:1154 [inline]
 dup_mm kernel/fork.c:1488 [inline]
 copy_mm+0x11b2/0x13d0 kernel/fork.c:1524
 copy_process+0x17a7/0x3e70 kernel/fork.c:2292
 kernel_clone+0x23f/0x990 kernel/fork.c:2682
 __do_sys_clone kernel/fork.c:2799 [inline]
 __se_sys_clone kernel/fork.c:2783 [inline]
 __x64_sys_clone+0x19a/0x210 kernel/fork.c:2783
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fbdf3d7a2d9
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:00007fff01258c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fbdf4001fa0 RCX: 00007fbdf3d7a2d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007fbdf3e11888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fbdf4001fac R14: 00007fbdf4001fa0 R15: 00007fbdf4001fa0
 </TASK>

final repro crashed as (corrupted=false):
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007fbdf3e11888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fbdf4001fac R14: 00007fbdf4001fa0 R15: 00007fbdf4001fa0
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4358 at arch/x86/mm/pat/memtype.c:1020 get_pat_info arch/x86/mm/pat/memtype.c:1020 [inline]
WARNING: CPU: 1 PID: 4358 at arch/x86/mm/pat/memtype.c:1020 untrack_pfn+0x3b2/0x420 arch/x86/mm/pat/memtype.c:1122
Modules linked in:
CPU: 1 PID: 4358 Comm: syz.0.20 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:get_pat_info arch/x86/mm/pat/memtype.c:1020 [inline]
RIP: 0010:untrack_pfn+0x3b2/0x420 arch/x86/mm/pat/memtype.c:1122
Code: ff df 66 42 c7 44 2b 04 f8 f8 45 85 e4 4c 8b 74 24 08 74 63 e8 9f 23 42 00 4d 85 f6 75 a5 e8 95 23 42 00 eb 10 e8 8e 23 42 00 <0f> 0b 4d 89 e5 42 c6 44 23 08 f8 42 c6 44 2b 0c f8 48 c7 44 24 20
RSP: 0018:ffffc90002f7f5a0 EFLAGS: 00010293
RAX: ffffffff8136ffd2 RBX: 1ffff920005efeb8 RCX: ffff88802964d940
RDX: 0000000000000000 RSI: 0000000000000028 RDI: 0000000000000020
RBP: ffffc90002f7f698 R08: 0000000000000000 R09: ffffc90002f7f550
R10: dffffc0000000000 R11: ffffed10040750a9 R12: dffffc0000000000
R13: ffff88802c8a2420 R14: 0000000000000028 R15: 00000000ffffffea
FS:  00005555570c3500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000a82cb1a000 CR3: 0000000074c01000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1bb/0x290 mm/memory.c:1600
 unmap_vmas+0x131/0x250 mm/memory.c:1653
 exit_mmap+0x3b9/0x640 mm/mmap.c:3216
 __mmput+0x115/0x390 kernel/fork.c:1133
 mmput kernel/fork.c:1154 [inline]
 dup_mm kernel/fork.c:1488 [inline]
 copy_mm+0x11b2/0x13d0 kernel/fork.c:1524
 copy_process+0x17a7/0x3e70 kernel/fork.c:2292
 kernel_clone+0x23f/0x990 kernel/fork.c:2682
 __do_sys_clone kernel/fork.c:2799 [inline]
 __se_sys_clone kernel/fork.c:2783 [inline]
 __x64_sys_clone+0x19a/0x210 kernel/fork.c:2783
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fbdf3d7a2d9
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:00007fff01258c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fbdf4001fa0 RCX: 00007fbdf3d7a2d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007fbdf3e11888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fbdf4001fac R14: 00007fbdf4001fa0 R15: 00007fbdf4001fa0
 </TASK>