Extracting prog: 4m16.860701485s
Minimizing prog: 39m0.494698713s
Simplifying prog options: 12m16.770121853s
Extracting C: 4m29.67888497s
Simplifying C: 0s


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:namespace 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_usb_connect-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_read-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
syz_usb_ep_write(0xffffffffffffffff, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(0xffffffffffffffff, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
program did not crash
simplifying guilty program options
testing program (duration=3m22.653601318s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
extracting C reproducer
testing compiled C program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
program did not crash
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Write in rtsx_usb_ms_handle_req
validation run: crashed=true
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
validation run: crashed=true
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=3m22.653601318s, {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_usb_connect-syz_usb_ep_write-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x39, &(0x7f0000000040)=ANY=[@ANYBLOB="12010002ffffff40da0b29010001000000010902270001010080320904000003ffffff0007050102000200070582020002"], 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0) (async, rerun: 32)
syz_usb_ep_read(r0, 0x1, 0x0, 0x0) (rerun: 32)

program crashed: KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
validation run: crashed=true
reproducing took 1h23m53.253486766s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in rtsx_usb_ms_issue_cmd drivers/memstick/host/rtsx_usb_ms.c:486 [inline]
BUG: KASAN: slab-use-after-free in rtsx_usb_ms_handle_req+0x10d2/0x1900 drivers/memstick/host/rtsx_usb_ms.c:531
Read of size 1 at addr ffff888057944071 by task kworker/0:5/5912

CPU: 0 UID: 0 PID: 5912 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events rtsx_usb_ms_handle_req
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 rtsx_usb_ms_issue_cmd drivers/memstick/host/rtsx_usb_ms.c:486 [inline]
 rtsx_usb_ms_handle_req+0x10d2/0x1900 drivers/memstick/host/rtsx_usb_ms.c:531
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 371:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 memstick_alloc_card drivers/memstick/core/memstick.c:383 [inline]
 memstick_check+0x1a7/0x1250 drivers/memstick/core/memstick.c:452
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 371:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6508 [inline]
 kfree+0x1c5/0x650 mm/slub.c:6801
 memstick_alloc_card drivers/memstick/core/memstick.c:420 [inline]
 memstick_check+0x7b6/0x1250 drivers/memstick/core/memstick.c:452
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff888057944000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 113 bytes inside of
 freed 2048-byte region [ffff888057944000, ffff888057944800)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888057940000 pfn:0x57940
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88801b042000 ffff88801b040948 ffffea000077fe10
raw: ffff888057940000 0000000000080005 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88801b042000 ffff88801b040948 ffffea000077fe10
head: ffff888057940000 0000000000080005 00000000f5000000 0000000000000000
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5794, tgid 5794 (syz-executor), ts 192814565531
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7417
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __do_kmalloc_node mm/slub.c:5413 [inline]
 __kmalloc_node_track_caller_noprof+0x548/0x720 mm/slub.c:5545
 kmalloc_reserve net/core/skbuff.c:637 [inline]
 pskb_expand_head+0x22c/0x13a0 net/core/skbuff.c:2315
 netlink_trim+0x1b3/0x2c0 net/netlink/af_netlink.c:1319
 netlink_broadcast_filtered+0x6d/0xea0 net/netlink/af_netlink.c:1537
 nlmsg_multicast_filtered include/net/netlink.h:1165 [inline]
 nlmsg_multicast include/net/netlink.h:1184 [inline]
 nlmsg_notify+0xe3/0x1a0 net/netlink/af_netlink.c:2618
 __dev_notify_flags+0x257/0x510 net/core/dev.c:9860
 rtnl_configure_link+0x2f5/0x510 net/core/rtnetlink.c:3737
 rtnl_newlink_create+0x343/0x7b0 net/core/rtnetlink.c:3982
 __rtnl_newlink net/core/rtnetlink.c:4103 [inline]
 rtnl_newlink+0x166d/0x1c30 net/core/rtnetlink.c:4220
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7137
page last free pid 5735 tgid 5735 ts 190024254968 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_pages_prepare+0x9eb/0xaf0 mm/page_alloc.c:1463
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:7072
 __free_contig_range mm/page_alloc.c:7117 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5322
 vm_area_free_pages mm/vmalloc.c:3461 [inline]
 vfree+0x231/0x490 mm/vmalloc.c:3510
 kcov_put kernel/kcov.c:451 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:556
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:986
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
 get_signal+0x121b/0x12c0 kernel/signal.c:3112
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 __do_fast_syscall_32+0x437/0x6a0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Memory state around the buggy address:
 ffff888057943f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888057943f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888057944000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                             ^
 ffff888057944080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888057944100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in rtsx_usb_ms_issue_cmd drivers/memstick/host/rtsx_usb_ms.c:486 [inline]
BUG: KASAN: slab-use-after-free in rtsx_usb_ms_handle_req+0x10d2/0x1900 drivers/memstick/host/rtsx_usb_ms.c:531
Read of size 1 at addr ffff888057944071 by task kworker/0:5/5912

CPU: 0 UID: 0 PID: 5912 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events rtsx_usb_ms_handle_req
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 rtsx_usb_ms_issue_cmd drivers/memstick/host/rtsx_usb_ms.c:486 [inline]
 rtsx_usb_ms_handle_req+0x10d2/0x1900 drivers/memstick/host/rtsx_usb_ms.c:531
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 371:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 memstick_alloc_card drivers/memstick/core/memstick.c:383 [inline]
 memstick_check+0x1a7/0x1250 drivers/memstick/core/memstick.c:452
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 371:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6508 [inline]
 kfree+0x1c5/0x650 mm/slub.c:6801
 memstick_alloc_card drivers/memstick/core/memstick.c:420 [inline]
 memstick_check+0x7b6/0x1250 drivers/memstick/core/memstick.c:452
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff888057944000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 113 bytes inside of
 freed 2048-byte region [ffff888057944000, ffff888057944800)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888057940000 pfn:0x57940
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88801b042000 ffff88801b040948 ffffea000077fe10
raw: ffff888057940000 0000000000080005 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88801b042000 ffff88801b040948 ffffea000077fe10
head: ffff888057940000 0000000000080005 00000000f5000000 0000000000000000
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5794, tgid 5794 (syz-executor), ts 192814565531
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7417
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __do_kmalloc_node mm/slub.c:5413 [inline]
 __kmalloc_node_track_caller_noprof+0x548/0x720 mm/slub.c:5545
 kmalloc_reserve net/core/skbuff.c:637 [inline]
 pskb_expand_head+0x22c/0x13a0 net/core/skbuff.c:2315
 netlink_trim+0x1b3/0x2c0 net/netlink/af_netlink.c:1319
 netlink_broadcast_filtered+0x6d/0xea0 net/netlink/af_netlink.c:1537
 nlmsg_multicast_filtered include/net/netlink.h:1165 [inline]
 nlmsg_multicast include/net/netlink.h:1184 [inline]
 nlmsg_notify+0xe3/0x1a0 net/netlink/af_netlink.c:2618
 __dev_notify_flags+0x257/0x510 net/core/dev.c:9860
 rtnl_configure_link+0x2f5/0x510 net/core/rtnetlink.c:3737
 rtnl_newlink_create+0x343/0x7b0 net/core/rtnetlink.c:3982
 __rtnl_newlink net/core/rtnetlink.c:4103 [inline]
 rtnl_newlink+0x166d/0x1c30 net/core/rtnetlink.c:4220
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7137
page last free pid 5735 tgid 5735 ts 190024254968 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_pages_prepare+0x9eb/0xaf0 mm/page_alloc.c:1463
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:7072
 __free_contig_range mm/page_alloc.c:7117 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5322
 vm_area_free_pages mm/vmalloc.c:3461 [inline]
 vfree+0x231/0x490 mm/vmalloc.c:3510
 kcov_put kernel/kcov.c:451 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:556
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:986
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
 get_signal+0x121b/0x12c0 kernel/signal.c:3112
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 __do_fast_syscall_32+0x437/0x6a0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Memory state around the buggy address:
 ffff888057943f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888057943f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888057944000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                             ^
 ffff888057944080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888057944100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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