Extracting prog: 4m6.02969981s
Minimizing prog: 1h16m42.202981791s
Simplifying prog options: 0s
Extracting C: 38.552391739s
Simplifying C: 10m32.59599691s
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: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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
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: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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {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}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280), 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
simplifying C reproducer
testing compiled C program (duration=6m0s, {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}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-mkdir-openat-write
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, &(0x7f0000000600)='config/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)="34343146302c34ca26348385ce08a647bd92671bf58ebf985e2d6c66c40d80e9ed035e909094616cac971c79389253a79efae274fed6a6e86a557165df7b120976540a6374e0bd545154d5e4913a5aab9c7c5e69182f884690b7bef3580cca69336f21df016dbb7b333cbe95a4fb", 0x6e)
program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store
validation run: crashed=true
reproducing took 1h37m15.431390496s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: invalid-free in f_uac2_opts_c_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2091
Free of addr ffff88802ba60a06 by task syz.0.17/5924
CPU: 1 UID: 0 PID: 5924 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
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_invalid_free+0xea/0x110 mm/kasan/report.c:557
check_slab_allocation mm/kasan/common.c:-1 [inline]
__kasan_slab_pre_free+0x104/0x120 mm/kasan/common.c:261
kasan_slab_pre_free include/linux/kasan.h:199 [inline]
slab_free_hook mm/slub.c:2622 [inline]
slab_free mm/slub.c:6377 [inline]
kfree+0x173/0x6c0 mm/slub.c:6692
f_uac2_opts_c_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2091
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f4fe3e0d9
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:00007ffd8c212ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0f500c5fa0 RCX: 00007f0f4fe3e0d9
RDX: 000000000000006e RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f0f4fed5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0f500c5fac R14: 00007f0f500c5fa0 R15: 00007f0f500c5fa0
Allocated by task 5924:
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:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5334 [inline]
__kmalloc_node_track_caller_noprof+0x57f/0x7c0 mm/slub.c:5471
__kmemdup_nul mm/util.c:64 [inline]
kstrdup+0x42/0x100 mm/util.c:84
f_uac2_opts_c_srate_store+0x11f/0x2b0 drivers/usb/gadget/function/f_uac2.c:2091
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88802ba60a00
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 6 bytes inside of
111-byte region [ffff88802ba60a00, ffff88802ba60a6f)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ba60
flags: 0x80000000000000(node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000000 ffff88813ffb1a00 dead000000000122 0000000000000000
raw: 0000000000000000 0000000800100010 00000000f5000000 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 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5921, tgid 5921 (sed), ts 127926188227, free_ts 123442976844
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0x262a/0x26a0 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304
alloc_slab_page mm/slub.c:3266 [inline]
allocate_slab+0x79/0x5e0 mm/slub.c:3380
new_slab mm/slub.c:3426 [inline]
refill_objects+0x2d8/0x350 mm/slub.c:7310
refill_sheaf mm/slub.c:2804 [inline]
__pcs_replace_empty_main+0x330/0x690 mm/slub.c:4675
alloc_from_pcs mm/slub.c:4773 [inline]
slab_alloc_node mm/slub.c:4905 [inline]
__do_kmalloc_node mm/slub.c:5333 [inline]
__kmalloc_flags_noprof+0x665/0x850 mm/slub.c:5528
_kmalloc_flags_noprof mm/slab.h:39 [inline]
alloc_slab_obj_exts+0x4d/0x170 mm/slub.c:2149
account_slab mm/slub.c:3337 [inline]
allocate_slab+0x401/0x5e0 mm/slub.c:3411
new_slab mm/slub.c:3426 [inline]
refill_objects+0x2d8/0x350 mm/slub.c:7310
refill_sheaf mm/slub.c:2804 [inline]
__pcs_replace_empty_main+0x330/0x690 mm/slub.c:4675
alloc_from_pcs mm/slub.c:4773 [inline]
slab_alloc_node mm/slub.c:4905 [inline]
kmem_cache_alloc_noprof+0x452/0x650 mm/slub.c:4931
anon_vma_alloc mm/rmap.c:94 [inline]
__anon_vma_prepare+0x10e/0x4e0 mm/rmap.c:201
__vmf_anon_prepare mm/memory.c:3829 [inline]
vmf_anon_prepare mm/internal.h:494 [inline]
do_cow_fault mm/memory.c:5880 [inline]
do_fault mm/memory.c:5996 [inline]
do_pte_missing+0x1e0d/0x28f0 mm/memory.c:4566
handle_pte_fault mm/memory.c:6379 [inline]
__handle_mm_fault mm/memory.c:6517 [inline]
handle_mm_fault+0xd28/0x13f0 mm/memory.c:6686
do_user_addr_fault+0xa4d/0x1340 arch/x86/mm/fault.c:1343
page last free pid 5806 tgid 5806 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x10e7/0x11c0 mm/page_alloc.c:2950
__slab_free+0x252/0x2a0 mm/slub.c:5741
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4584 [inline]
slab_alloc_node mm/slub.c:4917 [inline]
kmem_cache_alloc_noprof+0x355/0x650 mm/slub.c:4931
anon_vma_chain_alloc mm/rmap.c:142 [inline]
anon_vma_fork+0x158/0x540 mm/rmap.c:394
dup_mmap+0x976/0x1d40 mm/mmap.c:1803
dup_mm kernel/fork.c:1543 [inline]
copy_mm+0x11a/0x480 kernel/fork.c:1595
copy_process+0x1e46/0x4390 kernel/fork.c:2289
kernel_clone+0x2d2/0x8d0 kernel/fork.c:2748
__do_sys_clone kernel/fork.c:2889 [inline]
__se_sys_clone kernel/fork.c:2873 [inline]
__x64_sys_clone+0x1b6/0x230 kernel/fork.c:2873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff88802ba60900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88802ba60980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802ba60a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 07 fc fc
^
ffff88802ba60a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88802ba60b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: invalid-free in f_uac2_opts_c_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2091
Free of addr ffff88802ba60a06 by task syz.0.17/5924
CPU: 1 UID: 0 PID: 5924 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
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_invalid_free+0xea/0x110 mm/kasan/report.c:557
check_slab_allocation mm/kasan/common.c:-1 [inline]
__kasan_slab_pre_free+0x104/0x120 mm/kasan/common.c:261
kasan_slab_pre_free include/linux/kasan.h:199 [inline]
slab_free_hook mm/slub.c:2622 [inline]
slab_free mm/slub.c:6377 [inline]
kfree+0x173/0x6c0 mm/slub.c:6692
f_uac2_opts_c_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2091
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f4fe3e0d9
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:00007ffd8c212ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0f500c5fa0 RCX: 00007f0f4fe3e0d9
RDX: 000000000000006e RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f0f4fed5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0f500c5fac R14: 00007f0f500c5fa0 R15: 00007f0f500c5fa0
Allocated by task 5924:
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:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5334 [inline]
__kmalloc_node_track_caller_noprof+0x57f/0x7c0 mm/slub.c:5471
__kmemdup_nul mm/util.c:64 [inline]
kstrdup+0x42/0x100 mm/util.c:84
f_uac2_opts_c_srate_store+0x11f/0x2b0 drivers/usb/gadget/function/f_uac2.c:2091
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88802ba60a00
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 6 bytes inside of
111-byte region [ffff88802ba60a00, ffff88802ba60a6f)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ba60
flags: 0x80000000000000(node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000000 ffff88813ffb1a00 dead000000000122 0000000000000000
raw: 0000000000000000 0000000800100010 00000000f5000000 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 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5921, tgid 5921 (sed), ts 127926188227, free_ts 123442976844
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0x262a/0x26a0 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304
alloc_slab_page mm/slub.c:3266 [inline]
allocate_slab+0x79/0x5e0 mm/slub.c:3380
new_slab mm/slub.c:3426 [inline]
refill_objects+0x2d8/0x350 mm/slub.c:7310
refill_sheaf mm/slub.c:2804 [inline]
__pcs_replace_empty_main+0x330/0x690 mm/slub.c:4675
alloc_from_pcs mm/slub.c:4773 [inline]
slab_alloc_node mm/slub.c:4905 [inline]
__do_kmalloc_node mm/slub.c:5333 [inline]
__kmalloc_flags_noprof+0x665/0x850 mm/slub.c:5528
_kmalloc_flags_noprof mm/slab.h:39 [inline]
alloc_slab_obj_exts+0x4d/0x170 mm/slub.c:2149
account_slab mm/slub.c:3337 [inline]
allocate_slab+0x401/0x5e0 mm/slub.c:3411
new_slab mm/slub.c:3426 [inline]
refill_objects+0x2d8/0x350 mm/slub.c:7310
refill_sheaf mm/slub.c:2804 [inline]
__pcs_replace_empty_main+0x330/0x690 mm/slub.c:4675
alloc_from_pcs mm/slub.c:4773 [inline]
slab_alloc_node mm/slub.c:4905 [inline]
kmem_cache_alloc_noprof+0x452/0x650 mm/slub.c:4931
anon_vma_alloc mm/rmap.c:94 [inline]
__anon_vma_prepare+0x10e/0x4e0 mm/rmap.c:201
__vmf_anon_prepare mm/memory.c:3829 [inline]
vmf_anon_prepare mm/internal.h:494 [inline]
do_cow_fault mm/memory.c:5880 [inline]
do_fault mm/memory.c:5996 [inline]
do_pte_missing+0x1e0d/0x28f0 mm/memory.c:4566
handle_pte_fault mm/memory.c:6379 [inline]
__handle_mm_fault mm/memory.c:6517 [inline]
handle_mm_fault+0xd28/0x13f0 mm/memory.c:6686
do_user_addr_fault+0xa4d/0x1340 arch/x86/mm/fault.c:1343
page last free pid 5806 tgid 5806 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x10e7/0x11c0 mm/page_alloc.c:2950
__slab_free+0x252/0x2a0 mm/slub.c:5741
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4584 [inline]
slab_alloc_node mm/slub.c:4917 [inline]
kmem_cache_alloc_noprof+0x355/0x650 mm/slub.c:4931
anon_vma_chain_alloc mm/rmap.c:142 [inline]
anon_vma_fork+0x158/0x540 mm/rmap.c:394
dup_mmap+0x976/0x1d40 mm/mmap.c:1803
dup_mm kernel/fork.c:1543 [inline]
copy_mm+0x11a/0x480 kernel/fork.c:1595
copy_process+0x1e46/0x4390 kernel/fork.c:2289
kernel_clone+0x2d2/0x8d0 kernel/fork.c:2748
__do_sys_clone kernel/fork.c:2889 [inline]
__se_sys_clone kernel/fork.c:2873 [inline]
__x64_sys_clone+0x1b6/0x230 kernel/fork.c:2873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff88802ba60900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88802ba60980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802ba60a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 07 fc fc
^
ffff88802ba60a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88802ba60b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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