Extracting prog: 2m7.2179345s
Minimizing prog: 18m44.624755892s
Simplifying prog options: 0s
Extracting C: 1m2.480190364s
Simplifying C: 12m2.028856649s


extracting reproducer from 26 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-fcntl$lock-timerfd_create-timerfd_settime-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
r1 = timerfd_create(0x8, 0x0)
timerfd_settime(r1, 0x0, &(0x7f0000000100)={{}, {0x77359400}}, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in timerfd_read
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-fcntl$lock-timerfd_create-timerfd_settime-mprotect-read
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
r1 = timerfd_create(0x8, 0x0)
timerfd_settime(r1, 0x0, &(0x7f0000000100)={{}, {0x77359400}}, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-fcntl$lock-timerfd_create-timerfd_settime-mprotect-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
r1 = timerfd_create(0x8, 0x0)
timerfd_settime(r1, 0x0, &(0x7f0000000100)={{}, {0x77359400}}, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-fcntl$lock-timerfd_create-timerfd_settime-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
r1 = timerfd_create(0x8, 0x0)
timerfd_settime(r1, 0x0, &(0x7f0000000100)={{}, {0x77359400}}, 0x0)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-fcntl$lock-timerfd_create-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
timerfd_create(0x8, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in sys_mount
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in timerfd_read
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-bpf$BPF_GET_PROG_INFO-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0xe0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x8, 0xfffffffffffffce4, 0x0}}, 0x10)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in timerfd_read
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(0xffffffffffffffff, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(0xffffffffffffffff, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, 0x0, 0x0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program did not crash
testing program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.881572474s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program crashed: Internal error in timerfd_read
simplifying C reproducer
testing compiled C program (duration=45.881572474s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program did not crash
testing compiled C program (duration=45.881572474s, {Threaded:true 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program crashed: Internal error in timerfd_read
testing compiled C program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program crashed: Internal error in timerfd_read
testing compiled C program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program crashed: Internal error in timerfd_read
testing compiled C program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program crashed: Internal error in timerfd_read
testing compiled C program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program did not crash
testing compiled C program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
program crashed: Internal error in timerfd_read
testing program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in timerfd_read
validation run: crashed=true
testing program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in timerfd_read
validation run: crashed=true
testing program (duration=45.881572474s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timerfd_create-fcntl$lock-mprotect-read-timerfd_settime
detailed listing:
executing program 0:
r0 = timerfd_create(0x8, 0x80000)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x5, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
read(r0, &(0x7f0000000140)=""/240, 0xf0)
timerfd_settime(r0, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)

program crashed: Internal error in timerfd_read
validation run: crashed=true
reproducing took 39m23.257107377s
repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4226 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : timerfd_read+0x5d4/0x730 fs/timerfd.c:316
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : timerfd_read+0x5b4/0x730 fs/timerfd.c:316
sp : ffff80001f7c79c0
x29: ffff80001f7c7a80 x28: dfff800000000000 x27: ffff700003ef8f3c
x26: 0000000020000140 x25: 0000000000000005 x24: ffff0000ecb010e4
x23: ffff0000ecb010d8 x22: 0000000201ed6b2a x21: 0000000000400140
x20: 0000000000000001 x19: 00000000fffffff2 x18: 0000000000000003
x17: 0000000000000000 x16: ffff800008a05628 x15: 0000000000000003
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000020000140 x9 : 0000ffffffffffff
x8 : 0000000020000140 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 timerfd_read+0x5d4/0x730 fs/timerfd.c:316
 vfs_read+0x278/0xa10 fs/read_write.c:483
 ksys_read+0x120/0x210 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:631
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: d503229f 2a1f03f3 2a1f03e0 f8000956 (2a1303e1) 
---[ end trace 508172c16cad07e2 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f3 	mov	w19, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	f8000956 	sttr	x22, [x10]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction

final repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4226 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : timerfd_read+0x5d4/0x730 fs/timerfd.c:316
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : timerfd_read+0x5b4/0x730 fs/timerfd.c:316
sp : ffff80001f7c79c0
x29: ffff80001f7c7a80 x28: dfff800000000000 x27: ffff700003ef8f3c
x26: 0000000020000140 x25: 0000000000000005 x24: ffff0000ecb010e4
x23: ffff0000ecb010d8 x22: 0000000201ed6b2a x21: 0000000000400140
x20: 0000000000000001 x19: 00000000fffffff2 x18: 0000000000000003
x17: 0000000000000000 x16: ffff800008a05628 x15: 0000000000000003
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000020000140 x9 : 0000ffffffffffff
x8 : 0000000020000140 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 timerfd_read+0x5d4/0x730 fs/timerfd.c:316
 vfs_read+0x278/0xa10 fs/read_write.c:483
 ksys_read+0x120/0x210 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:631
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: d503229f 2a1f03f3 2a1f03e0 f8000956 (2a1303e1) 
---[ end trace 508172c16cad07e2 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f3 	mov	w19, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	f8000956 	sttr	x22, [x10]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction