Extracting prog: 2m17.33008741s Minimizing prog: 49m53.735705986s Simplifying prog options: 0s Extracting C: 39.753972751s Simplifying C: 6m2.800173382s 1 programs, timeouts [30s 1m40s 6m0s] extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program crashed: general protection fault in ovl_llseek single: successfully extracted reproducer found reproducer with 11 syscalls minimizing guilty program testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(0xffffffffffffffff, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) mknodat$loop(0xffffffffffffffff, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(0xffffffffffffffff, &(0x7f0000000100)='./file1\x00', 0xffffffffffffffff, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r0, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, 0x0, &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', 0x0, 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(0x0, 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, 0x0, 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(0x0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, 0x0, r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, 0x0, 0x0) unlink(&(0x7f0000000280)='./file1\x00') lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000900)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x0, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x64) linkat(r0, &(0x7f0000000100)='./file1\x00', r0, &(0x7f0000000240)='./file0\x00', 0x0) unlink(0x0) lseek(r1, 0x10000, 0x0) (fail_nth: 6) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek simplifying C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-openat$dir-linkat-unlink-lseek program crashed: general protection fault in ovl_llseek reproducing took 58m53.619964791s repro crashed as (corrupted=false): RBP: 0000000000000001 R08: 00007fffa2bccbd7 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000022: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000110-0x0000000000000117] CPU: 0 UID: 0 PID: 5095 Comm: syz-executor382 Not tainted 6.11.0-syzkaller-10669-g11a299a7933e #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ovl_llseek+0x2a4/0x3f0 fs/overlayfs/file.c:214 Code: 8d 7c 24 60 e8 ad db e0 fe 48 8b 44 24 60 48 89 44 24 30 48 83 e0 fc 48 89 44 24 20 4c 8d b0 20 01 00 00 4d 89 f7 49 c1 ef 03 <43> 80 3c 27 00 74 08 4c 89 f7 e8 6d dc e0 fe 49 89 1e 48 8b 1c 24 RSP: 0018:ffffc90002d2fe00 EFLAGS: 00010207 RAX: fffffffffffffff4 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8c610080 RDI: 0000000000000001 RBP: ffffc90002d2fec8 R08: ffffffff901ce56f R09: 1ffffffff2039cad R10: dffffc0000000000 R11: fffffbfff2039cae R12: dffffc0000000000 R13: 1ffff11007863c94 R14: 0000000000000114 R15: 0000000000000022 FS: 000055557f148380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f033bbd3226 CR3: 000000003f9e8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_llseek fs/read_write.c:382 [inline] ksys_lseek fs/read_write.c:395 [inline] __do_sys_lseek fs/read_write.c:406 [inline] __se_sys_lseek fs/read_write.c:404 [inline] __x64_sys_lseek+0x150/0x1e0 fs/read_write.c:404 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f033bb7d8e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffa2bcce38 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00007fffa2bcce50 RCX: 00007f033bb7d8e9 RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000004 RBP: 0000000000000001 R08: 00007fffa2bccbd7 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ovl_llseek+0x2a4/0x3f0 fs/overlayfs/file.c:214 Code: 8d 7c 24 60 e8 ad db e0 fe 48 8b 44 24 60 48 89 44 24 30 48 83 e0 fc 48 89 44 24 20 4c 8d b0 20 01 00 00 4d 89 f7 49 c1 ef 03 <43> 80 3c 27 00 74 08 4c 89 f7 e8 6d dc e0 fe 49 89 1e 48 8b 1c 24 RSP: 0018:ffffc90002d2fe00 EFLAGS: 00010207 RAX: fffffffffffffff4 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8c610080 RDI: 0000000000000001 RBP: ffffc90002d2fec8 R08: ffffffff901ce56f R09: 1ffffffff2039cad R10: dffffc0000000000 R11: fffffbfff2039cae R12: dffffc0000000000 R13: 1ffff11007863c94 R14: 0000000000000114 R15: 0000000000000022 FS: 000055557f148380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f033bbd3226 CR3: 000000003f9e8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8d 7c 24 60 lea 0x60(%rsp),%edi 4: e8 ad db e0 fe call 0xfee0dbb6 9: 48 8b 44 24 60 mov 0x60(%rsp),%rax e: 48 89 44 24 30 mov %rax,0x30(%rsp) 13: 48 83 e0 fc and $0xfffffffffffffffc,%rax 17: 48 89 44 24 20 mov %rax,0x20(%rsp) 1c: 4c 8d b0 20 01 00 00 lea 0x120(%rax),%r14 23: 4d 89 f7 mov %r14,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 80 3c 27 00 cmpb $0x0,(%r15,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 6d dc e0 fe call 0xfee0dca6 39: 49 89 1e mov %rbx,(%r14) 3c: 48 8b 1c 24 mov (%rsp),%rbx final repro crashed as (corrupted=false): RBP: 0000000000000001 R08: 00007fffa2bccbd7 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000022: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000110-0x0000000000000117] CPU: 0 UID: 0 PID: 5095 Comm: syz-executor382 Not tainted 6.11.0-syzkaller-10669-g11a299a7933e #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ovl_llseek+0x2a4/0x3f0 fs/overlayfs/file.c:214 Code: 8d 7c 24 60 e8 ad db e0 fe 48 8b 44 24 60 48 89 44 24 30 48 83 e0 fc 48 89 44 24 20 4c 8d b0 20 01 00 00 4d 89 f7 49 c1 ef 03 <43> 80 3c 27 00 74 08 4c 89 f7 e8 6d dc e0 fe 49 89 1e 48 8b 1c 24 RSP: 0018:ffffc90002d2fe00 EFLAGS: 00010207 RAX: fffffffffffffff4 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8c610080 RDI: 0000000000000001 RBP: ffffc90002d2fec8 R08: ffffffff901ce56f R09: 1ffffffff2039cad R10: dffffc0000000000 R11: fffffbfff2039cae R12: dffffc0000000000 R13: 1ffff11007863c94 R14: 0000000000000114 R15: 0000000000000022 FS: 000055557f148380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f033bbd3226 CR3: 000000003f9e8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_llseek fs/read_write.c:382 [inline] ksys_lseek fs/read_write.c:395 [inline] __do_sys_lseek fs/read_write.c:406 [inline] __se_sys_lseek fs/read_write.c:404 [inline] __x64_sys_lseek+0x150/0x1e0 fs/read_write.c:404 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f033bb7d8e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffa2bcce38 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00007fffa2bcce50 RCX: 00007f033bb7d8e9 RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000004 RBP: 0000000000000001 R08: 00007fffa2bccbd7 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ovl_llseek+0x2a4/0x3f0 fs/overlayfs/file.c:214 Code: 8d 7c 24 60 e8 ad db e0 fe 48 8b 44 24 60 48 89 44 24 30 48 83 e0 fc 48 89 44 24 20 4c 8d b0 20 01 00 00 4d 89 f7 49 c1 ef 03 <43> 80 3c 27 00 74 08 4c 89 f7 e8 6d dc e0 fe 49 89 1e 48 8b 1c 24 RSP: 0018:ffffc90002d2fe00 EFLAGS: 00010207 RAX: fffffffffffffff4 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8c610080 RDI: 0000000000000001 RBP: ffffc90002d2fec8 R08: ffffffff901ce56f R09: 1ffffffff2039cad R10: dffffc0000000000 R11: fffffbfff2039cae R12: dffffc0000000000 R13: 1ffff11007863c94 R14: 0000000000000114 R15: 0000000000000022 FS: 000055557f148380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f033bbd3226 CR3: 000000003f9e8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8d 7c 24 60 lea 0x60(%rsp),%edi 4: e8 ad db e0 fe call 0xfee0dbb6 9: 48 8b 44 24 60 mov 0x60(%rsp),%rax e: 48 89 44 24 30 mov %rax,0x30(%rsp) 13: 48 83 e0 fc and $0xfffffffffffffffc,%rax 17: 48 89 44 24 20 mov %rax,0x20(%rsp) 1c: 4c 8d b0 20 01 00 00 lea 0x120(%rax),%r14 23: 4d 89 f7 mov %r14,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 80 3c 27 00 cmpb $0x0,(%r15,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 6d dc e0 fe call 0xfee0dca6 39: 49 89 1e mov %rbx,(%r14) 3c: 48 8b 1c 24 mov (%rsp),%rbx