Extracting prog: 1m43.638948378s
Minimizing prog: 13m3.842535346s
Simplifying prog options: 0s
Extracting C: 47.606740111s
Simplifying C: 11m27.970729582s
extracting reproducer from 24 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-madvise$auto-syz_clone-move_pages$auto-readv$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
madvise$auto(0x0, 0x7fffffffffffffff, 0xa)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
readv$auto(0x3, 0x0, 0x7)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program crashed: WARNING in blkdev_common_ioctl
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-madvise$auto-syz_clone-move_pages$auto-readv$auto-openat$auto_def_blk_fops_fs
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
madvise$auto(0x0, 0x7fffffffffffffff, 0xa)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
readv$auto(0x3, 0x0, 0x7)
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
program did not crash
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-madvise$auto-syz_clone-move_pages$auto-readv$auto-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
madvise$auto(0x0, 0x7fffffffffffffff, 0xa)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
readv$auto(0x3, 0x0, 0x7)
ioctl$auto_IOC_PR_RELEASE(0xffffffffffffffff, 0xc01070ce, 0x0)
program did not crash
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-madvise$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
madvise$auto(0x0, 0x7fffffffffffffff, 0xa)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program crashed: WARNING in blkdev_common_ioctl
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-madvise$auto-syz_clone-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
madvise$auto(0x0, 0x7fffffffffffffff, 0xa)
syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r0, 0xc01070ce, 0x0)
program did not crash
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-madvise$auto-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
madvise$auto(0x0, 0x7fffffffffffffff, 0xa)
move_pages$auto(0x0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r0 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r0, 0xc01070ce, 0x0)
program did not crash
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program crashed: WARNING in blkdev_common_ioctl
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program did not crash
testing program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=45.30841572s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
simplifying C reproducer
testing compiled C program (duration=45.30841572s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing compiled C program (duration=45.30841572s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program did not crash
testing compiled C program (duration=45.30841572s, {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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing compiled C program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing compiled C program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing compiled C program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing compiled C program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing compiled C program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
program crashed: WARNING in blkdev_common_ioctl
testing program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program crashed: WARNING in blkdev_common_ioctl
validation run: crashed=true
testing program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program crashed: WARNING in blkdev_common_ioctl
validation run: crashed=true
testing program (duration=45.30841572s, {Threaded:false 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}}): mmap$auto-syz_clone-move_pages$auto-openat$auto_def_blk_fops_fs-ioctl$auto_IOC_PR_RELEASE
detailed listing:
executing program 0:
mmap$auto(0x0, 0x6, 0x2, 0x40eb2, 0xffffffffffffffff, 0x308000000000)
r0 = syz_clone(0x8000, 0x0, 0x0, 0x0, 0x0, 0x0)
move_pages$auto(r0, 0x1002, 0x0, 0x0, 0x0, 0x2)
r1 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sda\x00', 0x84100, 0x0)
ioctl$auto_IOC_PR_RELEASE(r1, 0xc01070ce, 0x0)
program crashed: WARNING in blkdev_common_ioctl
validation run: crashed=true
reproducing took 32m55.666092075s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: mm/page_alloc.c:5186 at __alloc_frozen_pages_noprof+0x309/0x2430 mm/page_alloc.c:5186, CPU#1: syz.0.17/6006
Modules linked in:
CPU: 1 UID: 0 PID: 6006 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__alloc_frozen_pages_noprof+0x309/0x2430 mm/page_alloc.c:5186
Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d1 42 5e 09 83 fe 0a 0f 86 0c fe ff ff 80 3d 84 7b 57 0e 00 75 0b c6 05 7b 7b 57 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8
RSP: 0018:ffffc90003537888 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000017 RDI: 0000000000040dc0
RBP: 0000000000000017 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000017 R11: ffff888025f5c830 R12: 0000000000040dc0
R13: 1ffff920006a6f27 R14: ffffffff9ac29ac4 R15: 0000000000000017
FS: 000055557c799500(0000) GS:ffff888124a0e000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000240 CR3: 000000007647c000 CR4: 00000000003526f0
Call Trace:
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2486
___kmalloc_large_node+0x10c/0x150 mm/slub.c:5593
__kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5624
__do_kmalloc_node mm/slub.c:5640 [inline]
__kmalloc_noprof.cold+0xc/0x62 mm/slub.c:5664
kmalloc_noprof include/linux/slab.h:961 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
blkdev_pr_read_keys block/ioctl.c:449 [inline]
blkdev_common_ioctl+0x1f72/0x2b60 block/ioctl.c:729
blkdev_ioctl+0x2b5/0x6e0 block/ioctl.c:785
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c7a98f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff19abe3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0c7abe5fa0 RCX: 00007f0c7a98f7c9
RDX: 0000000000000000 RSI: 00000000c01070ce RDI: 0000000000000003
RBP: 00007f0c7aa13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c7abe5fa0 R14: 00007f0c7abe5fa0 R15: 0000000000000003
final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: mm/page_alloc.c:5186 at __alloc_frozen_pages_noprof+0x309/0x2430 mm/page_alloc.c:5186, CPU#1: syz.0.17/6006
Modules linked in:
CPU: 1 UID: 0 PID: 6006 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__alloc_frozen_pages_noprof+0x309/0x2430 mm/page_alloc.c:5186
Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d1 42 5e 09 83 fe 0a 0f 86 0c fe ff ff 80 3d 84 7b 57 0e 00 75 0b c6 05 7b 7b 57 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8
RSP: 0018:ffffc90003537888 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000017 RDI: 0000000000040dc0
RBP: 0000000000000017 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000017 R11: ffff888025f5c830 R12: 0000000000040dc0
R13: 1ffff920006a6f27 R14: ffffffff9ac29ac4 R15: 0000000000000017
FS: 000055557c799500(0000) GS:ffff888124a0e000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000240 CR3: 000000007647c000 CR4: 00000000003526f0
Call Trace:
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2486
___kmalloc_large_node+0x10c/0x150 mm/slub.c:5593
__kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5624
__do_kmalloc_node mm/slub.c:5640 [inline]
__kmalloc_noprof.cold+0xc/0x62 mm/slub.c:5664
kmalloc_noprof include/linux/slab.h:961 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
blkdev_pr_read_keys block/ioctl.c:449 [inline]
blkdev_common_ioctl+0x1f72/0x2b60 block/ioctl.c:729
blkdev_ioctl+0x2b5/0x6e0 block/ioctl.c:785
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c7a98f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff19abe3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0c7abe5fa0 RCX: 00007f0c7a98f7c9
RDX: 0000000000000000 RSI: 00000000c01070ce RDI: 0000000000000003
RBP: 00007f0c7aa13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c7abe5fa0 R14: 00007f0c7abe5fa0 R15: 0000000000000003