Extracting prog: 1m53.91138988s Minimizing prog: 14m11.283027089s Simplifying prog options: 0s Extracting C: 36.560519939s Simplifying C: 12m53.570501324s 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:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Read in binder_release_work single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: ioctl$BINDER_SET_CONTEXT_MGR_EXT(0xffffffffffffffff, 0x4018620d, &(0x7f0000000100)) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, 0x0) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x20, 0x0, &(0x7f0000000e00)=[@request_death={0x400c6313}, @clear_death], 0x0, 0x0, 0x0}) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, 0x0) program did not crash testing program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000140)={0x8, 0x0, &(0x7f0000000040)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash extracting C reproducer testing compiled C program (duration=1m2.273107521s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work simplifying C reproducer testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program did not crash testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work testing compiled C program (duration=1m2.273107521s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ program crashed: KASAN: slab-use-after-free Read in binder_release_work reproducing took 29m35.325458758s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in __list_del_entry_valid_or_report+0x2f/0x140 lib/list_debug.c:49 Read of size 8 at addr ffff888043350b08 by task kworker/0:2/785 CPU: 0 UID: 0 PID: 785 Comm: kworker/0:2 Not tainted 6.12.0-rc6-syzkaller-00192-gf1dce1f09380 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events binder_deferred_func Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __list_del_entry_valid_or_report+0x2f/0x140 lib/list_debug.c:49 __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del_init include/linux/list.h:287 [inline] binder_dequeue_work_head_ilocked drivers/android/binder.c:540 [inline] binder_release_work+0xc7/0x480 drivers/android/binder.c:5110 binder_deferred_release drivers/android/binder.c:6261 [inline] binder_deferred_func+0x1275/0x1460 drivers/android/binder.c:6296 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Allocated by task 5317: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:257 [inline] __kmalloc_cache_noprof+0x19c/0x2c0 mm/slub.c:4295 kmalloc_noprof include/linux/slab.h:878 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] binder_request_freeze_notification drivers/android/binder.c:3855 [inline] binder_thread_write drivers/android/binder.c:4485 [inline] binder_ioctl_write_read+0xe7f/0xb560 drivers/android/binder.c:5387 binder_ioctl+0x436/0x1cc0 drivers/android/binder.c:5718 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 785: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kfree+0x1a0/0x440 mm/slub.c:4727 binder_free_ref drivers/android/binder.c:1355 [inline] binder_deferred_release drivers/android/binder.c:6256 [inline] binder_deferred_func+0x11df/0x1460 drivers/android/binder.c:6296 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff888043350b00 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 8 bytes inside of freed 64-byte region [ffff888043350b00, ffff888043350b40) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x43350 flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 04fff00000000000 ffff88801ac418c0 dead000000000122 0000000000000000 raw: 0000000000000000 0000000080200020 00000001f5000000 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 0x52c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5314, tgid 5314 (syz-executor325), ts 69804248083, free_ts 69418629406 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x140 mm/slub.c:2412 allocate_slab+0x5a/0x2f0 mm/slub.c:2578 new_slab mm/slub.c:2631 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3818 __slab_alloc+0x58/0xa0 mm/slub.c:3908 __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] __do_kmalloc_node mm/slub.c:4263 [inline] __kmalloc_noprof+0x25a/0x400 mm/slub.c:4276 kmalloc_noprof include/linux/slab.h:882 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] tomoyo_get_name+0x202/0x520 security/tomoyo/memory.c:173 tomoyo_parse_name_union+0x14a/0x1c0 security/tomoyo/util.c:260 tomoyo_update_path_acl security/tomoyo/file.c:395 [inline] tomoyo_write_file+0x36c/0xe50 security/tomoyo/file.c:1022 tomoyo_write_domain2+0x1e0/0x250 security/tomoyo/common.c:1144 tomoyo_add_entry security/tomoyo/common.c:2034 [inline] tomoyo_supervisor+0xf09/0x11f0 security/tomoyo/common.c:2095 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587 tomoyo_path_perm+0x460/0x740 security/tomoyo/file.c:838 page last free pid 5311 tgid 5311 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638 __slab_free+0x31b/0x3d0 mm/slub.c:4490 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4085 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141 getname_flags+0xb7/0x540 fs/namei.c:139 vfs_fstatat+0x12c/0x190 fs/stat.c:340 __do_sys_newfstatat fs/stat.c:505 [inline] __se_sys_newfstatat fs/stat.c:499 [inline] __x64_sys_newfstatat+0x11d/0x1a0 fs/stat.c:499 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888043350a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888043350a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff888043350b00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff888043350b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888043350c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in __list_del_entry_valid_or_report+0x2f/0x140 lib/list_debug.c:49 Read of size 8 at addr ffff888043350b08 by task kworker/0:2/785 CPU: 0 UID: 0 PID: 785 Comm: kworker/0:2 Not tainted 6.12.0-rc6-syzkaller-00192-gf1dce1f09380 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events binder_deferred_func Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __list_del_entry_valid_or_report+0x2f/0x140 lib/list_debug.c:49 __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del_init include/linux/list.h:287 [inline] binder_dequeue_work_head_ilocked drivers/android/binder.c:540 [inline] binder_release_work+0xc7/0x480 drivers/android/binder.c:5110 binder_deferred_release drivers/android/binder.c:6261 [inline] binder_deferred_func+0x1275/0x1460 drivers/android/binder.c:6296 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Allocated by task 5317: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:257 [inline] __kmalloc_cache_noprof+0x19c/0x2c0 mm/slub.c:4295 kmalloc_noprof include/linux/slab.h:878 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] binder_request_freeze_notification drivers/android/binder.c:3855 [inline] binder_thread_write drivers/android/binder.c:4485 [inline] binder_ioctl_write_read+0xe7f/0xb560 drivers/android/binder.c:5387 binder_ioctl+0x436/0x1cc0 drivers/android/binder.c:5718 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 785: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kfree+0x1a0/0x440 mm/slub.c:4727 binder_free_ref drivers/android/binder.c:1355 [inline] binder_deferred_release drivers/android/binder.c:6256 [inline] binder_deferred_func+0x11df/0x1460 drivers/android/binder.c:6296 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff888043350b00 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 8 bytes inside of freed 64-byte region [ffff888043350b00, ffff888043350b40) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x43350 flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 04fff00000000000 ffff88801ac418c0 dead000000000122 0000000000000000 raw: 0000000000000000 0000000080200020 00000001f5000000 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 0x52c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5314, tgid 5314 (syz-executor325), ts 69804248083, free_ts 69418629406 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x140 mm/slub.c:2412 allocate_slab+0x5a/0x2f0 mm/slub.c:2578 new_slab mm/slub.c:2631 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3818 __slab_alloc+0x58/0xa0 mm/slub.c:3908 __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] __do_kmalloc_node mm/slub.c:4263 [inline] __kmalloc_noprof+0x25a/0x400 mm/slub.c:4276 kmalloc_noprof include/linux/slab.h:882 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] tomoyo_get_name+0x202/0x520 security/tomoyo/memory.c:173 tomoyo_parse_name_union+0x14a/0x1c0 security/tomoyo/util.c:260 tomoyo_update_path_acl security/tomoyo/file.c:395 [inline] tomoyo_write_file+0x36c/0xe50 security/tomoyo/file.c:1022 tomoyo_write_domain2+0x1e0/0x250 security/tomoyo/common.c:1144 tomoyo_add_entry security/tomoyo/common.c:2034 [inline] tomoyo_supervisor+0xf09/0x11f0 security/tomoyo/common.c:2095 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587 tomoyo_path_perm+0x460/0x740 security/tomoyo/file.c:838 page last free pid 5311 tgid 5311 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638 __slab_free+0x31b/0x3d0 mm/slub.c:4490 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4085 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141 getname_flags+0xb7/0x540 fs/namei.c:139 vfs_fstatat+0x12c/0x190 fs/stat.c:340 __do_sys_newfstatat fs/stat.c:505 [inline] __se_sys_newfstatat fs/stat.c:499 [inline] __x64_sys_newfstatat+0x11d/0x1a0 fs/stat.c:499 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888043350a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888043350a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff888043350b00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff888043350b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888043350c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================