Extracting prog: 2m17.723823251s Minimizing prog: 31m7.427058617s Simplifying prog options: 3m39.821418926s Extracting C: 1m50.416425084s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program crashed: UBSAN: array-index-out-of-bounds in dup_task_struct single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r0, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) write(0xffffffffffffffff, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r0, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', 0x0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read program did not crash simplifying guilty program options testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {Threaded:true 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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program crashed: UBSAN: array-index-out-of-bounds in copy_fs_struct validation run: crashed=true testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program crashed: UBSAN: array-index-out-of-bounds in __anon_vma_prepare validation run: crashed=true testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false testing program (duration=1m46.939169732s, {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}}): mkdirat-mount-openat-write-mkdir-mount-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) program did not crash validation run: crashed=false reproducing took 55m42.121112066s repro crashed as (corrupted=false): ================================================================================ UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:130:9 index 6482 is out of range for type 'unsigned long[8]' CPU: 1 PID: 1015 Comm: syz.1.325 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 dump_stack+0x15/0x20 lib/dump_stack.c:113 ubsan_epilogue+0xe/0x40 lib/ubsan.c:151 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282 decode_tail kernel/locking/qspinlock.c:130 [inline] __pv_queued_spin_lock_slowpath+0x90e/0x9b0 kernel/locking/qspinlock.c:468 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:200 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x120/0x130 kernel/locking/spinlock.c:162 get_partial_node mm/slub.c:2152 [inline] get_partial mm/slub.c:2257 [inline] ___slab_alloc+0x1aa/0x840 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3260 anon_vma_alloc mm/rmap.c:93 [inline] __anon_vma_prepare+0xa0/0x420 mm/rmap.c:202 do_anonymous_page mm/memory.c:4069 [inline] handle_pte_fault+0x1ff1/0x2770 mm/memory.c:4921 __handle_mm_fault mm/memory.c:-1 [inline] do_handle_mm_fault+0x1b3b/0x1e30 mm/memory.c:5345 handle_mm_fault include/linux/mm.h:1847 [inline] do_user_addr_fault+0x808/0x11c0 arch/x86/mm/fault.c:1416 handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1560 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7f2f79970304 Code: 8d 3c 30 4c 89 de 4c 89 54 24 30 e8 66 2c 04 00 4c 8b 54 24 30 85 c0 0f 85 e1 00 00 00 48 8b 44 24 28 48 89 df 4c 89 54 24 30 <4c> 89 93 98 06 00 00 48 89 83 90 06 00 00 48 8d 83 10 03 00 00 4c RSP: 002b:00007fff6513bb90 EFLAGS: 00010246 RAX: 00007f2f797f4000 RBX: 00007f2f798146c0 RCX: 00007f2f799b2f57 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f2f798146c0 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007fff6513bce0 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 ================================================================================ general protection fault, probably for non-canonical address 0xff66b9059f672e49: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfb35e82cfb397248-0xfb35e82cfb39724f] CPU: 1 PID: 1015 Comm: syz.1.325 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__pv_queued_spin_lock_slowpath+0x290/0x9b0 kernel/locking/qspinlock.c:471 Code: c8 48 c1 e8 03 42 80 3c 28 00 74 14 48 89 4c 24 20 48 8b 7c 24 20 e8 af 38 59 00 48 8b 4c 24 20 4c 03 39 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 4d 89 fd 4c 8b 7c 24 28 74 08 4c 89 ef e8 29 39 59 RSP: 0000:ffffc90002be7640 EFLAGS: 00010802 RAX: 1f66bd059f672e49 RBX: ffff88810006c000 RCX: ffffffff85ea92d0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffffc90002be7730 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff1103ee27159 R13: dffffc0000000000 R14: 1ffff1102000d800 R15: fb35e82cfb397249 FS: 000055558c909500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f79814d58 CR3: 000000010dd8c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:200 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x120/0x130 kernel/locking/spinlock.c:162 get_partial_node mm/slub.c:2152 [inline] get_partial mm/slub.c:2257 [inline] ___slab_alloc+0x1aa/0x840 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3260 anon_vma_alloc mm/rmap.c:93 [inline] __anon_vma_prepare+0xa0/0x420 mm/rmap.c:202 do_anonymous_page mm/memory.c:4069 [inline] handle_pte_fault+0x1ff1/0x2770 mm/memory.c:4921 __handle_mm_fault mm/memory.c:-1 [inline] do_handle_mm_fault+0x1b3b/0x1e30 mm/memory.c:5345 handle_mm_fault include/linux/mm.h:1847 [inline] do_user_addr_fault+0x808/0x11c0 arch/x86/mm/fault.c:1416 handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1560 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7f2f79970304 Code: 8d 3c 30 4c 89 de 4c 89 54 24 30 e8 66 2c 04 00 4c 8b 54 24 30 85 c0 0f 85 e1 00 00 00 48 8b 44 24 28 48 89 df 4c 89 54 24 30 <4c> 89 93 98 06 00 00 48 89 83 90 06 00 00 48 8d 83 10 03 00 00 4c RSP: 002b:00007fff6513bb90 EFLAGS: 00010246 RAX: 00007f2f797f4000 RBX: 00007f2f798146c0 RCX: 00007f2f799b2f57 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f2f798146c0 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007fff6513bce0 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 Modules linked in: ---[ end trace e482fc289e39b9fd ]--- RIP: 0010:__pv_queued_spin_lock_slowpath+0x290/0x9b0 kernel/locking/qspinlock.c:471 Code: c8 48 c1 e8 03 42 80 3c 28 00 74 14 48 89 4c 24 20 48 8b 7c 24 20 e8 af 38 59 00 48 8b 4c 24 20 4c 03 39 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 4d 89 fd 4c 8b 7c 24 28 74 08 4c 89 ef e8 29 39 59 RSP: 0000:ffffc90002be7640 EFLAGS: 00010802 RAX: 1f66bd059f672e49 RBX: ffff88810006c000 RCX: ffffffff85ea92d0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffffc90002be7730 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff1103ee27159 R13: dffffc0000000000 R14: 1ffff1102000d800 R15: fb35e82cfb397249 FS: 000055558c909500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f79814d58 CR3: 000000010dd8c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c8 48 c1 e8 enter $0xc148,$0xe8 4: 03 42 80 add -0x80(%rdx),%eax 7: 3c 28 cmp $0x28,%al 9: 00 74 14 48 add %dh,0x48(%rsp,%rdx,1) d: 89 4c 24 20 mov %ecx,0x20(%rsp) 11: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi 16: e8 af 38 59 00 call 0x5938ca 1b: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 20: 4c 03 39 add (%rcx),%r15 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 4d 89 fd mov %r15,%r13 32: 4c 8b 7c 24 28 mov 0x28(%rsp),%r15 37: 74 08 je 0x41 39: 4c 89 ef mov %r13,%rdi 3c: e8 .byte 0xe8 3d: 29 39 sub %edi,(%rcx) 3f: 59 pop %rcx final repro crashed as (corrupted=false): ================================================================================ UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:130:9 index 6482 is out of range for type 'unsigned long[8]' CPU: 1 PID: 1015 Comm: syz.1.325 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 dump_stack+0x15/0x20 lib/dump_stack.c:113 ubsan_epilogue+0xe/0x40 lib/ubsan.c:151 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282 decode_tail kernel/locking/qspinlock.c:130 [inline] __pv_queued_spin_lock_slowpath+0x90e/0x9b0 kernel/locking/qspinlock.c:468 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:200 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x120/0x130 kernel/locking/spinlock.c:162 get_partial_node mm/slub.c:2152 [inline] get_partial mm/slub.c:2257 [inline] ___slab_alloc+0x1aa/0x840 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3260 anon_vma_alloc mm/rmap.c:93 [inline] __anon_vma_prepare+0xa0/0x420 mm/rmap.c:202 do_anonymous_page mm/memory.c:4069 [inline] handle_pte_fault+0x1ff1/0x2770 mm/memory.c:4921 __handle_mm_fault mm/memory.c:-1 [inline] do_handle_mm_fault+0x1b3b/0x1e30 mm/memory.c:5345 handle_mm_fault include/linux/mm.h:1847 [inline] do_user_addr_fault+0x808/0x11c0 arch/x86/mm/fault.c:1416 handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1560 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7f2f79970304 Code: 8d 3c 30 4c 89 de 4c 89 54 24 30 e8 66 2c 04 00 4c 8b 54 24 30 85 c0 0f 85 e1 00 00 00 48 8b 44 24 28 48 89 df 4c 89 54 24 30 <4c> 89 93 98 06 00 00 48 89 83 90 06 00 00 48 8d 83 10 03 00 00 4c RSP: 002b:00007fff6513bb90 EFLAGS: 00010246 RAX: 00007f2f797f4000 RBX: 00007f2f798146c0 RCX: 00007f2f799b2f57 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f2f798146c0 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007fff6513bce0 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 ================================================================================ general protection fault, probably for non-canonical address 0xff66b9059f672e49: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfb35e82cfb397248-0xfb35e82cfb39724f] CPU: 1 PID: 1015 Comm: syz.1.325 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__pv_queued_spin_lock_slowpath+0x290/0x9b0 kernel/locking/qspinlock.c:471 Code: c8 48 c1 e8 03 42 80 3c 28 00 74 14 48 89 4c 24 20 48 8b 7c 24 20 e8 af 38 59 00 48 8b 4c 24 20 4c 03 39 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 4d 89 fd 4c 8b 7c 24 28 74 08 4c 89 ef e8 29 39 59 RSP: 0000:ffffc90002be7640 EFLAGS: 00010802 RAX: 1f66bd059f672e49 RBX: ffff88810006c000 RCX: ffffffff85ea92d0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffffc90002be7730 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff1103ee27159 R13: dffffc0000000000 R14: 1ffff1102000d800 R15: fb35e82cfb397249 FS: 000055558c909500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f79814d58 CR3: 000000010dd8c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:200 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x120/0x130 kernel/locking/spinlock.c:162 get_partial_node mm/slub.c:2152 [inline] get_partial mm/slub.c:2257 [inline] ___slab_alloc+0x1aa/0x840 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3260 anon_vma_alloc mm/rmap.c:93 [inline] __anon_vma_prepare+0xa0/0x420 mm/rmap.c:202 do_anonymous_page mm/memory.c:4069 [inline] handle_pte_fault+0x1ff1/0x2770 mm/memory.c:4921 __handle_mm_fault mm/memory.c:-1 [inline] do_handle_mm_fault+0x1b3b/0x1e30 mm/memory.c:5345 handle_mm_fault include/linux/mm.h:1847 [inline] do_user_addr_fault+0x808/0x11c0 arch/x86/mm/fault.c:1416 handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1560 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7f2f79970304 Code: 8d 3c 30 4c 89 de 4c 89 54 24 30 e8 66 2c 04 00 4c 8b 54 24 30 85 c0 0f 85 e1 00 00 00 48 8b 44 24 28 48 89 df 4c 89 54 24 30 <4c> 89 93 98 06 00 00 48 89 83 90 06 00 00 48 8d 83 10 03 00 00 4c RSP: 002b:00007fff6513bb90 EFLAGS: 00010246 RAX: 00007f2f797f4000 RBX: 00007f2f798146c0 RCX: 00007f2f799b2f57 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f2f798146c0 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007fff6513bce0 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 Modules linked in: ---[ end trace e482fc289e39b9fd ]--- RIP: 0010:__pv_queued_spin_lock_slowpath+0x290/0x9b0 kernel/locking/qspinlock.c:471 Code: c8 48 c1 e8 03 42 80 3c 28 00 74 14 48 89 4c 24 20 48 8b 7c 24 20 e8 af 38 59 00 48 8b 4c 24 20 4c 03 39 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 4d 89 fd 4c 8b 7c 24 28 74 08 4c 89 ef e8 29 39 59 RSP: 0000:ffffc90002be7640 EFLAGS: 00010802 RAX: 1f66bd059f672e49 RBX: ffff88810006c000 RCX: ffffffff85ea92d0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffffc90002be7730 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff1103ee27159 R13: dffffc0000000000 R14: 1ffff1102000d800 R15: fb35e82cfb397249 FS: 000055558c909500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f79814d58 CR3: 000000010dd8c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c8 48 c1 e8 enter $0xc148,$0xe8 4: 03 42 80 add -0x80(%rdx),%eax 7: 3c 28 cmp $0x28,%al 9: 00 74 14 48 add %dh,0x48(%rsp,%rdx,1) d: 89 4c 24 20 mov %ecx,0x20(%rsp) 11: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi 16: e8 af 38 59 00 call 0x5938ca 1b: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 20: 4c 03 39 add (%rcx),%r15 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 4d 89 fd mov %r15,%r13 32: 4c 8b 7c 24 28 mov 0x28(%rsp),%r15 37: 74 08 je 0x41 39: 4c 89 ef mov %r13,%rdi 3c: e8 .byte 0xe8 3d: 29 39 sub %edi,(%rcx) 3f: 59 pop %rcx