Extracting prog: 3m40.82068662s Minimizing prog: 1h34m18.902707653s Simplifying prog options: 0s Extracting C: 40.500389346s Simplifying C: 15m3.104731794s 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) write(0xffffffffffffffff, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, 0x0, 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, 0x0, &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340), 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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-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}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$fuse-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: syz_mount_image$fuse(0x0, &(0x7f00000003c0)='./myconfig\x00', 0x81000, 0x0, 0xfc, 0x0, 0x0) mount(0x0, &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)="34343130302c34383030bd195ca7379dda9ad6f511c8302c3838fa52056fbb9b6ef651cd0f6f87bf15a8dc1d23ab3d32773d571fd4304aadad37f99a8833992ca9c59f29dd1d37401f7400"/85, 0x55) program crashed: KASAN: invalid-free in f_uac2_opts_p_srate_store validation run: crashed=true reproducing took 1h59m22.0753331s 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 ffff8880206fdd98 by task syz.0.17/5818 CPU: 1 UID: 0 PID: 5818 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_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: 0033:0x7f994535e0d9 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:00007ffc432610b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f99455e5fa0 RCX: 00007f994535e0d9 RDX: 0000000000000055 RSI: 0000200000000340 RDI: 0000000000000003 RBP: 00007f99453f5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f99455e5fac R14: 00007f99455e5fa0 R15: 00007f99455e5fa0 Allocated by task 5818: 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 ffff8880206fdd80 which belongs to the cache kmalloc-96 of size 96 The buggy address is located 24 bytes inside of 75-byte region [ffff8880206fdd80, ffff8880206fddcb) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x206fd flags: 0x80000000000000(node=0|zone=1) page_type: f5(slab) raw: 0080000000000000 ffff88813ffb1280 dead000000000100 dead000000000122 raw: 0000000000000000 0000000800200020 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 1, tgid 1 (swapper/0), ts 3040898946, free_ts 2775642553 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] _kzalloc_noprof include/linux/slab.h:1309 [inline] acpi_ut_evaluate_object+0x97/0x560 drivers/acpi/acpica/uteval.c:50 acpi_ut_execute_HID+0xb8/0x3c0 drivers/acpi/acpica/utids.c:45 acpi_get_object_info+0x295/0xd60 drivers/acpi/acpica/nsxfname.c:288 acpi_set_pnp_ids drivers/acpi/scan.c:1404 [inline] acpi_init_device_object+0xc20/0x2b00 drivers/acpi/scan.c:1821 acpi_add_single_object+0x107/0x1b60 drivers/acpi/scan.c:1872 acpi_bus_check_add+0x2b7/0x8a0 drivers/acpi/scan.c:2173 acpi_ns_walk_namespace+0x273/0x700 drivers/acpi/acpica/nswalk.c:-1 acpi_walk_namespace+0x125/0x190 drivers/acpi/acpica/nsxfeval.c:606 acpi_bus_scan+0x465/0x4f0 drivers/acpi/scan.c:2730 page last free pid 1 tgid 1 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_remove_cache+0x342/0x360 mm/kasan/quarantine.c:378 kmem_cache_shrink+0xd/0x20 mm/slab_common.c:604 acpi_os_purge_cache+0x15/0x20 drivers/acpi/osl.c:1622 acpi_purge_cached_objects+0x5a/0x100 drivers/acpi/acpica/utxface.c:237 acpi_initialize_objects+0x2e/0xb0 drivers/acpi/acpica/utxfinit.c:250 acpi_bus_init+0xa8/0x360 drivers/acpi/bus.c:1503 acpi_init+0xa1/0x1f0 drivers/acpi/bus.c:1592 do_one_initcall+0x250/0x870 init/main.c:1347 do_initcall_level+0x10a/0x1a0 init/main.c:1409 do_initcalls+0x59/0xa0 init/main.c:1425 kernel_init_freeable+0x29d/0x3e0 init/main.c:1658 kernel_init+0x1d/0x1d0 init/main.c:1548 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 Memory state around the buggy address: ffff8880206fdc80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8880206fdd00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8880206fdd80: 00 00 00 00 00 00 00 00 00 03 fc fc fc fc fc fc ^ ffff8880206fde00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8880206fde80: fa fb fb fb fb fb fb fb fb fb fb fb 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 ffff8880206fdd98 by task syz.0.17/5818 CPU: 1 UID: 0 PID: 5818 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_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: 0033:0x7f994535e0d9 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:00007ffc432610b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f99455e5fa0 RCX: 00007f994535e0d9 RDX: 0000000000000055 RSI: 0000200000000340 RDI: 0000000000000003 RBP: 00007f99453f5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f99455e5fac R14: 00007f99455e5fa0 R15: 00007f99455e5fa0 Allocated by task 5818: 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 ffff8880206fdd80 which belongs to the cache kmalloc-96 of size 96 The buggy address is located 24 bytes inside of 75-byte region [ffff8880206fdd80, ffff8880206fddcb) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x206fd flags: 0x80000000000000(node=0|zone=1) page_type: f5(slab) raw: 0080000000000000 ffff88813ffb1280 dead000000000100 dead000000000122 raw: 0000000000000000 0000000800200020 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 1, tgid 1 (swapper/0), ts 3040898946, free_ts 2775642553 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] _kzalloc_noprof include/linux/slab.h:1309 [inline] acpi_ut_evaluate_object+0x97/0x560 drivers/acpi/acpica/uteval.c:50 acpi_ut_execute_HID+0xb8/0x3c0 drivers/acpi/acpica/utids.c:45 acpi_get_object_info+0x295/0xd60 drivers/acpi/acpica/nsxfname.c:288 acpi_set_pnp_ids drivers/acpi/scan.c:1404 [inline] acpi_init_device_object+0xc20/0x2b00 drivers/acpi/scan.c:1821 acpi_add_single_object+0x107/0x1b60 drivers/acpi/scan.c:1872 acpi_bus_check_add+0x2b7/0x8a0 drivers/acpi/scan.c:2173 acpi_ns_walk_namespace+0x273/0x700 drivers/acpi/acpica/nswalk.c:-1 acpi_walk_namespace+0x125/0x190 drivers/acpi/acpica/nsxfeval.c:606 acpi_bus_scan+0x465/0x4f0 drivers/acpi/scan.c:2730 page last free pid 1 tgid 1 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_remove_cache+0x342/0x360 mm/kasan/quarantine.c:378 kmem_cache_shrink+0xd/0x20 mm/slab_common.c:604 acpi_os_purge_cache+0x15/0x20 drivers/acpi/osl.c:1622 acpi_purge_cached_objects+0x5a/0x100 drivers/acpi/acpica/utxface.c:237 acpi_initialize_objects+0x2e/0xb0 drivers/acpi/acpica/utxfinit.c:250 acpi_bus_init+0xa8/0x360 drivers/acpi/bus.c:1503 acpi_init+0xa1/0x1f0 drivers/acpi/bus.c:1592 do_one_initcall+0x250/0x870 init/main.c:1347 do_initcall_level+0x10a/0x1a0 init/main.c:1409 do_initcalls+0x59/0xa0 init/main.c:1425 kernel_init_freeable+0x29d/0x3e0 init/main.c:1658 kernel_init+0x1d/0x1d0 init/main.c:1548 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 Memory state around the buggy address: ffff8880206fdc80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8880206fdd00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8880206fdd80: 00 00 00 00 00 00 00 00 00 03 fc fc fc fc fc fc ^ ffff8880206fde00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8880206fde80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ==================================================================