Extracting prog: 5m48.102427556s
Minimizing prog: 1h26m15.671560424s
Simplifying prog options: 0s
Extracting C: 41.081558164s
Simplifying C: 10m31.012989355s


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$cgroup_root-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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$cgroup_root-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
single: successfully extracted reproducer
found reproducer with 7 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$cgroup_root-openat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_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-openat$cgroup_root-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='config\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='config/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000500)='config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
write(0xffffffffffffffff, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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}}): 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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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(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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

program crashed: lost connection to test machine
ignore low priority 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(&(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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)

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(&(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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40), 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_p_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_p_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_p_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_p_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_p_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_p_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_p_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_p_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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

program crashed: KASAN: invalid-free in f_uac2_opts_p_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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

program crashed: KASAN: invalid-free in f_uac2_opts_p_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, &(0x7f0000000800)='config/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r0, &(0x7f0000000d40)="343431301d4434383030302c393630303000b86e0484d7d827d3b9a91aed13fd06639e0ca6b206125fd78be687d55ce0d767f54f6f280a3700806c263bccc3fb66076e31ca486fe3822341671ac47abf010a3fe2c280815c5d4470f0c8cf3842020000000000000042da90088a4116ce6c3df607b4aa8279c55000041c0fc1dee2b808000000ead0182d51e8c76a74a1cbc22f9831d6df8c2652ef67436e4b10462abecb66e298e8b8ffb211dcf0ab6f5740162d6feac523e95080f6d7d5471990ea9dcfaa11ee90e46dbb558b2fe4d60016924a1b34df811717489bad20a009ca0d2d7157738048562ed2daed3146f59d14e700"/257, 0x101)

program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store
validation run: crashed=true
reproducing took 1h47m42.321816253s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: invalid-free in f_uac2_opts_p_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2087
Free of addr ffff8880357a710c by task syz.0.17/5852

CPU: 1 UID: 0 PID: 5852 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware [  104.347157][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
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_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_p_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2087
 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: 0033:0x7f1a7eabde99
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:00007ffd1530fe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1a7ed45fa0 RCX: 00007f1a7eabde99
RDX: 0000000000000101 RSI: 0000200000000d40 RDI: 0000000000000003
RBP: 00007f1a7eb53eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a7ed45fac R14: 00007f1a7ed45fa0 R15: 00007f1a7ed45fa0
 </TASK>

Allocated by task 5852:
 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_p_srate_store+0x11f/0x2b0 drivers/usb/gadget/function/f_uac2.c:2087
 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 ffff8880357a7100
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 12 bytes inside of
 18-byte region [ffff8880357a7100, ffff8880357a7112)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880357a7980 pfn:0x357a7
flags: 0x80000000000200(workingset|node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000200 ffff88813ffb1780 ffffea0000d0fa50 ffffea0000d55850
raw: ffff8880357a7980 0000000800400033 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 0xd2800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4544, tgid 4544 (kworker/u8:5), ts 20674970342, free_ts 0
 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]
 __kmalloc_cache_noprof+0x468/0x6b0 mm/slub.c:5485
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 slab_free_hook mm/slub.c:2629 [inline]
 slab_free mm/slub.c:6377 [inline]
 kmem_cache_free+0x156/0x6c0 mm/slub.c:6504
 __fput_deferred+0x2df/0x3e0 fs/file_table.c:567
 fput_close+0x11f/0x240 fs/file_table.c:629
 path_openat+0x30d5/0x3850 fs/namei.c:4872
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_open_execat+0x12b/0x590 fs/exec.c:785
 alloc_bprm+0x24/0x640 fs/exec.c:1431
 class_bprm_constructor fs/exec.c:1497 [inline]
 kernel_execve+0x85/0x9c0 fs/exec.c:1889
 call_usermodehelper_exec_async+0x212/0x360 kernel/umh.c:109
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8880357a7000: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
 ffff8880357a7080: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
>ffff8880357a7100: 00 00 02 fc fc fc fc fc fa fb fb fb fc fc fc fc
                      ^
 ffff8880357a7180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
 ffff8880357a7200: fa fb fb fb fc fc fc fc 00 00 01 fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: invalid-free in f_uac2_opts_p_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2087
Free of addr ffff8880357a710c by task syz.0.17/5852

CPU: 1 UID: 0 PID: 5852 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware [  104.347157][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
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_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_p_srate_store+0x225/0x2b0 drivers/usb/gadget/function/f_uac2.c:2087
 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: 0033:0x7f1a7eabde99
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:00007ffd1530fe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1a7ed45fa0 RCX: 00007f1a7eabde99
RDX: 0000000000000101 RSI: 0000200000000d40 RDI: 0000000000000003
RBP: 00007f1a7eb53eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a7ed45fac R14: 00007f1a7ed45fa0 R15: 00007f1a7ed45fa0
 </TASK>

Allocated by task 5852:
 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_p_srate_store+0x11f/0x2b0 drivers/usb/gadget/function/f_uac2.c:2087
 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 ffff8880357a7100
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 12 bytes inside of
 18-byte region [ffff8880357a7100, ffff8880357a7112)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880357a7980 pfn:0x357a7
flags: 0x80000000000200(workingset|node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000200 ffff88813ffb1780 ffffea0000d0fa50 ffffea0000d55850
raw: ffff8880357a7980 0000000800400033 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 0xd2800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4544, tgid 4544 (kworker/u8:5), ts 20674970342, free_ts 0
 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]
 __kmalloc_cache_noprof+0x468/0x6b0 mm/slub.c:5485
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 slab_free_hook mm/slub.c:2629 [inline]
 slab_free mm/slub.c:6377 [inline]
 kmem_cache_free+0x156/0x6c0 mm/slub.c:6504
 __fput_deferred+0x2df/0x3e0 fs/file_table.c:567
 fput_close+0x11f/0x240 fs/file_table.c:629
 path_openat+0x30d5/0x3850 fs/namei.c:4872
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_open_execat+0x12b/0x590 fs/exec.c:785
 alloc_bprm+0x24/0x640 fs/exec.c:1431
 class_bprm_constructor fs/exec.c:1497 [inline]
 kernel_execve+0x85/0x9c0 fs/exec.c:1889
 call_usermodehelper_exec_async+0x212/0x360 kernel/umh.c:109
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8880357a7000: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
 ffff8880357a7080: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
>ffff8880357a7100: 00 00 02 fc fc fc fc fc fa fb fb fb fc fc fc fc
                      ^
 ffff8880357a7180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
 ffff8880357a7200: fa fb fb fb fc fc fc fc 00 00 01 fc fc fc fc fc
==================================================================