Extracting prog: 24.828423821s
Minimizing prog: 13m33.458596629s
Simplifying prog options: 0s
Extracting C: 52.056437129s
Simplifying C: 13m8.259171935s


extracting reproducer from 24 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
dup3(r1, r0, 0x0)
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(0xffffffffffffffff, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r1, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = dup3(0xffffffffffffffff, r0, 0x0)
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = dup3(r0, 0xffffffffffffffff, 0x0)
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, 0x0)
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, 0x0)
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x8, 0x0, &(0x7f0000000700)=[@decrefs], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, 0x0)

program did not crash
testing program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000002c0)='./binderfs/binder0\x00', 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)={0x73622a85, 0x10a})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000340)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0})

program did not crash
extracting C reproducer
testing compiled C program (duration=32.849478081s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
simplifying C reproducer
testing compiled C program (duration=32.849478081s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true 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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program did not crash
testing compiled C program (duration=32.849478081s, {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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program did not crash
testing compiled C program (duration=32.849478081s, {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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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: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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
testing compiled C program (duration=32.849478081s, {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$binderfs-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
program crashed: attempt to subtract with overflow in <rust_binder::process::Process>::update_ref
reproducing took 27m58.602655195s
repro crashed as (corrupted=false):
rust_kernel: panicked at drivers/android/binder/node.rs:877:13:
attempt to subtract with overflow
------------[ cut here ]------------
kernel BUG at rust/helpers/bug.c:7!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 291 Comm: syz-executor689 Not tainted 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rust_helper_BUG+0x8/0x10 rust/helpers/bug.c:7
Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 31 cc d7 c9 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 7b 08 9e 45 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000127da90 EFLAGS: 00010246
RAX: 0000000000000061 RBX: 1ffff9200024fb54 RCX: e36cb058b79bd700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000127da90 R08: ffffc9000127d787 R09: 1ffff9200024faf0
R10: dffffc0000000000 R11: fffff5200024faf1 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000127dac0 R15: ffffc9000127daf0
FS:  00005555661ee380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff855b43c90 CR3: 000000012ef7c000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rustc::rust_begin_unwind+0x15b/0x160 rust/kernel/lib.rs:128
 core::panicking::panic_fmt+0x84/0x90 usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:75
 core::panicking::panic_const::panic_const_sub_overflow+0xb2/0xc0 usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:178
 <rust_binder::node::NodeRef>::update drivers/android/binder/node.rs:877 [inline]
 <rust_binder::process::Process>::update_ref+0x17e5/0x1860 drivers/android/binder/process.rs:913
 <rust_binder::thread::Thread>::write drivers/android/binder/thread.rs:1470 [inline]
 <rust_binder::thread::Thread>::write_read+0x278d/0x9d20 drivers/android/binder/thread.rs:1581
 <rust_binder::process::Process>::ioctl_write_read drivers/android/binder/process.rs:1535 [inline]
 <rust_binder::process::Process>::ioctl+0x411/0x2c20 drivers/android/binder/process.rs:1596
 rust_binder::rust_binder_unlocked_ioctl+0xa0/0x100 drivers/android/binder/rust_binder.rs:445
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff855b0a2c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe3a9e2df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff855b0a2c9
RDX: 00002000000001c0 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 00000000000f4240 R08: 0000000000000000 R09: 00005555661ef610
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff855b581bc
R13: 00007ff855b5309b R14: 00007ffe3a9e2e20 R15: 00007ffe3a9e2e10
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rust_helper_BUG+0x8/0x10 rust/helpers/bug.c:7
Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 31 cc d7 c9 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 7b 08 9e 45 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000127da90 EFLAGS: 00010246
RAX: 0000000000000061 RBX: 1ffff9200024fb54 RCX: e36cb058b79bd700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000127da90 R08: ffffc9000127d787 R09: 1ffff9200024faf0
R10: dffffc0000000000 R11: fffff5200024faf1 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000127dac0 R15: ffffc9000127daf0
FS:  00005555661ee380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff855b43c90 CR3: 000000012ef7c000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
rust_kernel: panicked at drivers/android/binder/node.rs:877:13:
attempt to subtract with overflow
------------[ cut here ]------------
kernel BUG at rust/helpers/bug.c:7!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 291 Comm: syz-executor689 Not tainted 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rust_helper_BUG+0x8/0x10 rust/helpers/bug.c:7
Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 31 cc d7 c9 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 7b 08 9e 45 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000127da90 EFLAGS: 00010246
RAX: 0000000000000061 RBX: 1ffff9200024fb54 RCX: e36cb058b79bd700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000127da90 R08: ffffc9000127d787 R09: 1ffff9200024faf0
R10: dffffc0000000000 R11: fffff5200024faf1 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000127dac0 R15: ffffc9000127daf0
FS:  00005555661ee380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff855b43c90 CR3: 000000012ef7c000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rustc::rust_begin_unwind+0x15b/0x160 rust/kernel/lib.rs:128
 core::panicking::panic_fmt+0x84/0x90 usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:75
 core::panicking::panic_const::panic_const_sub_overflow+0xb2/0xc0 usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:178
 <rust_binder::node::NodeRef>::update drivers/android/binder/node.rs:877 [inline]
 <rust_binder::process::Process>::update_ref+0x17e5/0x1860 drivers/android/binder/process.rs:913
 <rust_binder::thread::Thread>::write drivers/android/binder/thread.rs:1470 [inline]
 <rust_binder::thread::Thread>::write_read+0x278d/0x9d20 drivers/android/binder/thread.rs:1581
 <rust_binder::process::Process>::ioctl_write_read drivers/android/binder/process.rs:1535 [inline]
 <rust_binder::process::Process>::ioctl+0x411/0x2c20 drivers/android/binder/process.rs:1596
 rust_binder::rust_binder_unlocked_ioctl+0xa0/0x100 drivers/android/binder/rust_binder.rs:445
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff855b0a2c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe3a9e2df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff855b0a2c9
RDX: 00002000000001c0 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 00000000000f4240 R08: 0000000000000000 R09: 00005555661ef610
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff855b581bc
R13: 00007ff855b5309b R14: 00007ffe3a9e2e20 R15: 00007ffe3a9e2e10
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rust_helper_BUG+0x8/0x10 rust/helpers/bug.c:7
Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 31 cc d7 c9 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 7b 08 9e 45 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000127da90 EFLAGS: 00010246
RAX: 0000000000000061 RBX: 1ffff9200024fb54 RCX: e36cb058b79bd700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000127da90 R08: ffffc9000127d787 R09: 1ffff9200024faf0
R10: dffffc0000000000 R11: fffff5200024faf1 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000127dac0 R15: ffffc9000127daf0
FS:  00005555661ee380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff855b43c90 CR3: 000000012ef7c000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400