Extracting prog: 1m4.170735218s
Minimizing prog: 9m42.667440474s
Simplifying prog options: 0s
Extracting C: 1m3.852836365s
Simplifying C: 5m52.272108281s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(0x0, 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(0x0, 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, 0x0, 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
simplifying C reproducer
testing compiled C program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
testing compiled C program (duration=32.071074603s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
testing compiled C program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
testing compiled C program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
testing compiled C program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
testing compiled C program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
VM was preempted during C execution: failed to run command in VM: instance is preempted, retrying
testing compiled C program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
testing program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
validation run: crashed=true
testing program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
validation run: crashed=true
testing program (duration=32.071074603s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x81, 0x130)
write(r0, &(0x7f0000000040)="2899fb2ad92c38976ebc6cad5a71346796ff25adb752d230302c393630303000", 0x20)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
validation run: crashed=true
reproducing took 19m28.241110093s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: invalid-free in slab_free mm/slub.c:3712 [inline]
BUG: KASAN: invalid-free in __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
Free of addr ffff888113f3e086 by task syz.2.17/374

CPU: 1 PID: 374 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report_invalid_free+0xd5/0xf0 mm/kasan/report.c:489
 ____kasan_slab_free+0x14f/0x180 mm/kasan/common.c:-1
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 f_uac2_opts_p_srate_store+0x220/0x2a0 drivers/usb/gadget/function/f_uac2.c:2078
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x323/0x410 fs/configfs/file.c:229
 call_write_iter include/linux/fs.h:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ef/0xd00 fs/read_write.c:584
 ksys_write+0x14a/0x260 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2072f9e0d9
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:00007fff92634a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2073225fa0 RCX: 00007f2072f9e0d9
RDX: 0000000000000020 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007f2073035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2073225fac R14: 00007f2073225fa0 R15: 00007f2073225fa0
 </TASK>

Allocated by task 374:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958
 kstrdup+0x3b/0x80 mm/util.c:66
 f_uac2_opts_p_srate_store+0x11a/0x2a0 drivers/usb/gadget/function/f_uac2.c:2078
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x323/0x410 fs/configfs/file.c:229
 call_write_iter include/linux/fs.h:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ef/0xd00 fs/read_write.c:584
 ksys_write+0x14a/0x260 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888113f3e080
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 6 bytes inside of
 32-byte region [ffff888113f3e080, ffff888113f3e0a0)

The buggy address belongs to the physical page:
page:ffffea00044fcf80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x113f3e
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff888100042600
raw: 0000000000000000 0000000080400040 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 374, tgid 374 (syz-executor), ts 46596260143, free_ts 46565120830
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 shmem_initxattrs+0xcd/0x1e0 mm/shmem.c:3299
 security_inode_init_security+0x295/0x3c0 security/security.c:1134
 shmem_symlink+0xd0/0x4c0 mm/shmem.c:3166
 vfs_symlink+0x261/0x3f0 fs/namei.c:4478
 do_symlinkat+0x24a/0x5d0 fs/namei.c:4507
 __do_sys_symlinkat fs/namei.c:4524 [inline]
 __se_sys_symlinkat fs/namei.c:4521 [inline]
 __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4521
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1580 [inline]
 free_pcp_prepare mm/page_alloc.c:1654 [inline]
 free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
 free_unref_page+0x93/0x530 mm/page_alloc.c:3719
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6020
 __free_slab+0xc7/0x1a0 mm/slub.c:2044
 free_slab mm/slub.c:2059 [inline]
 discard_slab mm/slub.c:2065 [inline]
 __unfreeze_partials+0x15a/0x190 mm/slub.c:2614
 put_cpu_partial+0xa9/0x100 mm/slub.c:2690
 __slab_free+0x1c4/0x280 mm/slub.c:3589
 do_slab_free mm/slub.c:3666 [inline]
 ___cache_free+0xbf/0xd0 mm/slub.c:3722
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
 __alloc_skb+0xe8/0x4a0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1322 [inline]
 alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6176
 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2761

Memory state around the buggy address:
 ffff888113f3df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888113f3e000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888113f3e080: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff888113f3e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888113f3e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: invalid-free in slab_free mm/slub.c:3712 [inline]
BUG: KASAN: invalid-free in __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
Free of addr ffff888113f3e086 by task syz.2.17/374

CPU: 1 PID: 374 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report_invalid_free+0xd5/0xf0 mm/kasan/report.c:489
 ____kasan_slab_free+0x14f/0x180 mm/kasan/common.c:-1
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 f_uac2_opts_p_srate_store+0x220/0x2a0 drivers/usb/gadget/function/f_uac2.c:2078
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x323/0x410 fs/configfs/file.c:229
 call_write_iter include/linux/fs.h:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ef/0xd00 fs/read_write.c:584
 ksys_write+0x14a/0x260 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2072f9e0d9
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:00007fff92634a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2073225fa0 RCX: 00007f2072f9e0d9
RDX: 0000000000000020 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007f2073035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2073225fac R14: 00007f2073225fa0 R15: 00007f2073225fa0
 </TASK>

Allocated by task 374:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958
 kstrdup+0x3b/0x80 mm/util.c:66
 f_uac2_opts_p_srate_store+0x11a/0x2a0 drivers/usb/gadget/function/f_uac2.c:2078
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x323/0x410 fs/configfs/file.c:229
 call_write_iter include/linux/fs.h:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ef/0xd00 fs/read_write.c:584
 ksys_write+0x14a/0x260 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888113f3e080
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 6 bytes inside of
 32-byte region [ffff888113f3e080, ffff888113f3e0a0)

The buggy address belongs to the physical page:
page:ffffea00044fcf80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x113f3e
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff888100042600
raw: 0000000000000000 0000000080400040 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 374, tgid 374 (syz-executor), ts 46596260143, free_ts 46565120830
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 shmem_initxattrs+0xcd/0x1e0 mm/shmem.c:3299
 security_inode_init_security+0x295/0x3c0 security/security.c:1134
 shmem_symlink+0xd0/0x4c0 mm/shmem.c:3166
 vfs_symlink+0x261/0x3f0 fs/namei.c:4478
 do_symlinkat+0x24a/0x5d0 fs/namei.c:4507
 __do_sys_symlinkat fs/namei.c:4524 [inline]
 __se_sys_symlinkat fs/namei.c:4521 [inline]
 __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4521
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1580 [inline]
 free_pcp_prepare mm/page_alloc.c:1654 [inline]
 free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
 free_unref_page+0x93/0x530 mm/page_alloc.c:3719
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6020
 __free_slab+0xc7/0x1a0 mm/slub.c:2044
 free_slab mm/slub.c:2059 [inline]
 discard_slab mm/slub.c:2065 [inline]
 __unfreeze_partials+0x15a/0x190 mm/slub.c:2614
 put_cpu_partial+0xa9/0x100 mm/slub.c:2690
 __slab_free+0x1c4/0x280 mm/slub.c:3589
 do_slab_free mm/slub.c:3666 [inline]
 ___cache_free+0xbf/0xd0 mm/slub.c:3722
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
 __alloc_skb+0xe8/0x4a0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1322 [inline]
 alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6176
 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2761

Memory state around the buggy address:
 ffff888113f3df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888113f3e000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888113f3e080: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff888113f3e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888113f3e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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