Extracting prog: 1m6.220445021s
Minimizing prog: 12m5.004815506s
Simplifying prog options: 3m29.250307236s
Extracting C: 1m20.534211563s
Simplifying C: 0s


extracting reproducer from 7 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: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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000001c0)={0x4c, 0x0, &(0x7f0000000540)=[@transaction_sg={0x40486311, {0x1, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xfffffffffffffff0}], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-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$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT
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, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
dup3(r1, r0, 0x0)
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-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, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$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, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(0xffffffffffffffff, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-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$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$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$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$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$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r1 = dup3(0xffffffffffffffff, r0, 0x0)
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r1 = dup3(r0, 0xffffffffffffffff, 0x0)
r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r2, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, 0x0)
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, 0x0)
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, 0x0)

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0})

program did not crash
extracting C reproducer
testing compiled C program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
program did not crash
simplifying guilty program options
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
extracting C reproducer
testing compiled C program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
program did not crash
testing program (duration=30.658886734s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
validation run: crashed=true
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
validation run: crashed=true
testing program (duration=30.658886734s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000300)=[@increfs], 0x0, 0x0, 0x0})
r2 = dup3(r1, r0, 0x0)
r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x1100, 0x3})
ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0})

program crashed: kernel BUG in binder_inc_ref_for_node
validation run: crashed=true
reproducing took 19m52.331335857s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at drivers/android/binder.c:1330!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3875 Comm: syz.2.3485 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1330 [inline]
RIP: 0010:binder_inc_ref_for_node+0x10b3/0x11c0 drivers/android/binder.c:1642
Code: ff ff 48 89 df 41 89 f5 41 89 d7 41 89 ce e8 84 04 11 fe 44 89 f1 4c 8b 75 c8 44 89 fa 44 89 ee e9 a3 fe ff ff e8 1d 95 d1 fd <0f> 0b 65 8b 05 ac ee 69 7c 41 89 c5 c1 e8 06 48 8d 3c c5 a8 51 e9
RSP: 0018:ffffc90004027370 EFLAGS: 00010293
RAX: ffffffff83982293 RBX: 0000000000000000 RCX: ffff8881155c4f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004027410 R08: ffff8881073c9a3f R09: ffff8881073c9a30
R10: dffffc0000000000 R11: ffffed1020e79348 R12: dffffc0000000000
R13: ffff8881073c9528 R14: ffff8881073c9510 R15: 0000000000000000
FS:  000055558b7d4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33063fff CR3: 000000012e37b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 binder_thread_write+0x1497/0x6fe0 drivers/android/binder.c:4239
 binder_ioctl_write_read+0x203/0x6700 drivers/android/binder.c:5579
 binder_ioctl+0x36c/0x1df0 drivers/android/binder.c:5905
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f308800b0d9
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:00007ffc14ae6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3088292fa0 RCX: 00007f308800b0d9
RDX: 00002000000003c0 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 00007f30880a2024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3088292fac R14: 00007f3088292fa0 R15: 00007f3088292fa0
 </TASK>
Modules linked in:
---[ end trace 0da86e98fd2353d1 ]---
RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1330 [inline]
RIP: 0010:binder_inc_ref_for_node+0x10b3/0x11c0 drivers/android/binder.c:1642
Code: ff ff 48 89 df 41 89 f5 41 89 d7 41 89 ce e8 84 04 11 fe 44 89 f1 4c 8b 75 c8 44 89 fa 44 89 ee e9 a3 fe ff ff e8 1d 95 d1 fd <0f> 0b 65 8b 05 ac ee 69 7c 41 89 c5 c1 e8 06 48 8d 3c c5 a8 51 e9
RSP: 0018:ffffc90004027370 EFLAGS: 00010293
RAX: ffffffff83982293 RBX: 0000000000000000 RCX: ffff8881155c4f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004027410 R08: ffff8881073c9a3f R09: ffff8881073c9a30
R10: dffffc0000000000 R11: ffffed1020e79348 R12: dffffc0000000000
R13: ffff8881073c9528 R14: ffff8881073c9510 R15: 0000000000000000
FS:  000055558b7d4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33063fff CR3: 000000012e37b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at drivers/android/binder.c:1330!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3875 Comm: syz.2.3485 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1330 [inline]
RIP: 0010:binder_inc_ref_for_node+0x10b3/0x11c0 drivers/android/binder.c:1642
Code: ff ff 48 89 df 41 89 f5 41 89 d7 41 89 ce e8 84 04 11 fe 44 89 f1 4c 8b 75 c8 44 89 fa 44 89 ee e9 a3 fe ff ff e8 1d 95 d1 fd <0f> 0b 65 8b 05 ac ee 69 7c 41 89 c5 c1 e8 06 48 8d 3c c5 a8 51 e9
RSP: 0018:ffffc90004027370 EFLAGS: 00010293
RAX: ffffffff83982293 RBX: 0000000000000000 RCX: ffff8881155c4f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004027410 R08: ffff8881073c9a3f R09: ffff8881073c9a30
R10: dffffc0000000000 R11: ffffed1020e79348 R12: dffffc0000000000
R13: ffff8881073c9528 R14: ffff8881073c9510 R15: 0000000000000000
FS:  000055558b7d4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33063fff CR3: 000000012e37b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 binder_thread_write+0x1497/0x6fe0 drivers/android/binder.c:4239
 binder_ioctl_write_read+0x203/0x6700 drivers/android/binder.c:5579
 binder_ioctl+0x36c/0x1df0 drivers/android/binder.c:5905
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f308800b0d9
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:00007ffc14ae6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3088292fa0 RCX: 00007f308800b0d9
RDX: 00002000000003c0 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 00007f30880a2024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3088292fac R14: 00007f3088292fa0 R15: 00007f3088292fa0
 </TASK>
Modules linked in:
---[ end trace 0da86e98fd2353d1 ]---
RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1330 [inline]
RIP: 0010:binder_inc_ref_for_node+0x10b3/0x11c0 drivers/android/binder.c:1642
Code: ff ff 48 89 df 41 89 f5 41 89 d7 41 89 ce e8 84 04 11 fe 44 89 f1 4c 8b 75 c8 44 89 fa 44 89 ee e9 a3 fe ff ff e8 1d 95 d1 fd <0f> 0b 65 8b 05 ac ee 69 7c 41 89 c5 c1 e8 06 48 8d 3c c5 a8 51 e9
RSP: 0018:ffffc90004027370 EFLAGS: 00010293
RAX: ffffffff83982293 RBX: 0000000000000000 RCX: ffff8881155c4f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004027410 R08: ffff8881073c9a3f R09: ffff8881073c9a30
R10: dffffc0000000000 R11: ffffed1020e79348 R12: dffffc0000000000
R13: ffff8881073c9528 R14: ffff8881073c9510 R15: 0000000000000000
FS:  000055558b7d4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33063fff CR3: 000000012e37b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400