Extracting prog: 2m20.879491651s Minimizing prog: 16m33.634643418s Simplifying prog options: 0s Extracting C: 1m26.852811s Simplifying C: 6m38.896880432s extracting reproducer from 38 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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program crashed: WARNING in raw_alloc_io_data program crashed: WARNING in raw_alloc_io_data single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) syz_usb_disconnect(0xffffffffffffffff) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(0xffffffffffffffff, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, 0x0, 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(0x0, 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, 0x0, 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program did not crash testing program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data simplifying C reproducer testing compiled C program (duration=42.173788528s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing compiled C program (duration=42.173788528s, {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}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing compiled C program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing compiled C program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing compiled C program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing compiled C program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing compiled C program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF program crashed: WARNING in raw_alloc_io_data testing program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program crashed: WARNING in raw_alloc_io_data validation run: crashed=true testing program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program crashed: WARNING in raw_alloc_io_data validation run: crashed=true testing program (duration=42.173788528s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCRMFF detailed listing: executing program 0: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x41, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x4, 0x24, &(0x7f0000000400)=ANY=[], 0x0) ioctl$EVIOCRMFF(r0, 0xc0085504, &(0x7f0000000080)=0x3) program crashed: WARNING in raw_alloc_io_data validation run: crashed=true reproducing took 29m38.590512491s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4496 at mm/page_alloc.c:5590 __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 Modules linked in: CPU: 0 PID: 4496 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 lr : __alloc_pages+0xac/0x53c mm/page_alloc.c:5584 sp : ffff800020e67820 x29: ffff800020e678e0 x28: dfff800000000000 x27: ffff800020e67840 x26: 1fffe0001a2816f0 x25: dfff800000000000 x24: ffff7000041ccf08 x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000040cc0 x20: 0000000000000000 x19: 0000000000000013 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d10fc x15: 0000000020000080 x14: 00000000c0085508 x13: 1ffff00002a180b1 x12: 0000000000000005 x11: 1ffff000041ccf0c x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff800017a8a000 x7 : 0000000000000000 x6 : ffff800020e67ae8 x5 : ffff800020e67ae8 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0xa8/0x1e0 mm/slab_common.c:1077 __do_kmalloc_node mm/slab_common.c:924 [inline] __kmalloc+0x140/0x178 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] raw_alloc_io_data+0x1cc/0x298 drivers/usb/gadget/legacy/raw_gadget.c:626 raw_ioctl_ep0_read drivers/usb/gadget/legacy/raw_gadget.c:730 [inline] raw_ioctl+0x974/0x31f4 drivers/usb/gadget/legacy/raw_gadget.c:1268 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1762 hardirqs last enabled at (1761): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (1762): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1702): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1700): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4496 at mm/page_alloc.c:5590 __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 Modules linked in: CPU: 0 PID: 4496 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 lr : __alloc_pages+0xac/0x53c mm/page_alloc.c:5584 sp : ffff800020e67820 x29: ffff800020e678e0 x28: dfff800000000000 x27: ffff800020e67840 x26: 1fffe0001a2816f0 x25: dfff800000000000 x24: ffff7000041ccf08 x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000040cc0 x20: 0000000000000000 x19: 0000000000000013 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d10fc x15: 0000000020000080 x14: 00000000c0085508 x13: 1ffff00002a180b1 x12: 0000000000000005 x11: 1ffff000041ccf0c x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff800017a8a000 x7 : 0000000000000000 x6 : ffff800020e67ae8 x5 : ffff800020e67ae8 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0xa8/0x1e0 mm/slab_common.c:1077 __do_kmalloc_node mm/slab_common.c:924 [inline] __kmalloc+0x140/0x178 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] raw_alloc_io_data+0x1cc/0x298 drivers/usb/gadget/legacy/raw_gadget.c:626 raw_ioctl_ep0_read drivers/usb/gadget/legacy/raw_gadget.c:730 [inline] raw_ioctl+0x974/0x31f4 drivers/usb/gadget/legacy/raw_gadget.c:1268 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1762 hardirqs last enabled at (1761): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (1762): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1702): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1700): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---