Extracting prog: 1m44.179132062s
Minimizing prog: 7m42.589659097s
Simplifying prog options: 0s
Extracting C: 21.255729248s
Simplifying C: 5m20.702135561s
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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program crashed: general protection fault in vsscanf
program crashed: general protection fault in vsscanf
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
write$P9_RLERRORu(0xffffffffffffffff, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, 0x0, 0xf)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB], 0xf)
program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
program crashed: general protection fault in vsscanf
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program crashed: general protection fault in vsscanf
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program crashed: general protection fault in vsscanf
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$P9_RLERRORu
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0)
write$P9_RLERRORu(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="2f16306b96218bc2e522ff84ce2f7a9cfde2bef4c88b0b1fb801ba72de37bc5c28a37fac702298d6a23bb39a6d93c6d089d92daf1d82d753ed31d0f699e67c2fa78dd1423dc8c69d3582bc6e6236b8171ab23c1db64a07d7ac95490ac4bd7333c8925869818d0fb9a808522c5ead7abdd919c0c0810e04074a4d4754c345ecbe17356b12c97571a74979a3a6b46c43f0c044c096"], 0xf)
program crashed: general protection fault in vsscanf
validation run: crashed=true
reproducing took 17m47.858820402s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 379 Comm: syz.2.17 Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:vsscanf+0x18c/0x24b0 lib/vsprintf.c:3444
Code: 48 c7 c6 50 d2 e3 87 e8 c2 39 e5 fb 41 83 fe 25 74 4d 45 85 f6 0f 84 a4 21 00 00 48 ff c3 48 89 5c 24 58 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 8e 1b 00 00 41 0f b6 1f 45 0f b6 f6 44
RSP: 0018:ffffc9000111f5a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff86364fe1 RCX: 0000000000000001
RDX: ffffffff85a2445e RSI: ffffffff87e3d250 RDI: 0000000000000030
RBP: ffffc9000111f6b0 R08: ffff88810fba2600 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364fe0
R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000
FS: 0000555566881500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd30e70050 CR3: 000000011536e000 CR4: 00000000003526b0
Call Trace:
sscanf+0xe3/0x150 lib/vsprintf.c:3700
split_huge_pages_write+0x3c7/0x1220 mm/huge_memory.c:4139
full_proxy_write+0x128/0x1e0 fs/debugfs/file.c:328
vfs_write+0x3c1/0xfd0 fs/read_write.c:682
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fbd30f9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff11370348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbd31225fa0 RCX: 00007fbd30f9e159
RDX: 000000000000000f RSI: 0000200000000340 RDI: 0000000000000003
RBP: 00007fbd3103506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbd31225fac R14: 00007fbd31225fa0 R15: 00007fbd31225fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vsscanf+0x18c/0x24b0 lib/vsprintf.c:3444
Code: 48 c7 c6 50 d2 e3 87 e8 c2 39 e5 fb 41 83 fe 25 74 4d 45 85 f6 0f 84 a4 21 00 00 48 ff c3 48 89 5c 24 58 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 8e 1b 00 00 41 0f b6 1f 45 0f b6 f6 44
RSP: 0018:ffffc9000111f5a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff86364fe1 RCX: 0000000000000001
RDX: ffffffff85a2445e RSI: ffffffff87e3d250 RDI: 0000000000000030
RBP: ffffc9000111f6b0 R08: ffff88810fba2600 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364fe0
R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000
FS: 0000555566881500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd30e70050 CR3: 000000011536e000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 48 c7 c6 50 d2 e3 87 mov $0xffffffff87e3d250,%rsi
7: e8 c2 39 e5 fb call 0xfbe539ce
c: 41 83 fe 25 cmp $0x25,%r14d
10: 74 4d je 0x5f
12: 45 85 f6 test %r14d,%r14d
15: 0f 84 a4 21 00 00 je 0x21bf
1b: 48 ff c3 inc %rbx
1e: 48 89 5c 24 58 mov %rbx,0x58(%rsp)
23: 4c 89 f8 mov %r15,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 8e 1b 00 00 jne 0x1bc5
37: 41 0f b6 1f movzbl (%r15),%ebx
3b: 45 0f b6 f6 movzbl %r14b,%r14d
3f: 44 rex.R
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 379 Comm: syz.2.17 Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:vsscanf+0x18c/0x24b0 lib/vsprintf.c:3444
Code: 48 c7 c6 50 d2 e3 87 e8 c2 39 e5 fb 41 83 fe 25 74 4d 45 85 f6 0f 84 a4 21 00 00 48 ff c3 48 89 5c 24 58 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 8e 1b 00 00 41 0f b6 1f 45 0f b6 f6 44
RSP: 0018:ffffc9000111f5a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff86364fe1 RCX: 0000000000000001
RDX: ffffffff85a2445e RSI: ffffffff87e3d250 RDI: 0000000000000030
RBP: ffffc9000111f6b0 R08: ffff88810fba2600 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364fe0
R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000
FS: 0000555566881500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd30e70050 CR3: 000000011536e000 CR4: 00000000003526b0
Call Trace:
sscanf+0xe3/0x150 lib/vsprintf.c:3700
split_huge_pages_write+0x3c7/0x1220 mm/huge_memory.c:4139
full_proxy_write+0x128/0x1e0 fs/debugfs/file.c:328
vfs_write+0x3c1/0xfd0 fs/read_write.c:682
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fbd30f9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff11370348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbd31225fa0 RCX: 00007fbd30f9e159
RDX: 000000000000000f RSI: 0000200000000340 RDI: 0000000000000003
RBP: 00007fbd3103506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbd31225fac R14: 00007fbd31225fa0 R15: 00007fbd31225fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vsscanf+0x18c/0x24b0 lib/vsprintf.c:3444
Code: 48 c7 c6 50 d2 e3 87 e8 c2 39 e5 fb 41 83 fe 25 74 4d 45 85 f6 0f 84 a4 21 00 00 48 ff c3 48 89 5c 24 58 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 8e 1b 00 00 41 0f b6 1f 45 0f b6 f6 44
RSP: 0018:ffffc9000111f5a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff86364fe1 RCX: 0000000000000001
RDX: ffffffff85a2445e RSI: ffffffff87e3d250 RDI: 0000000000000030
RBP: ffffc9000111f6b0 R08: ffff88810fba2600 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364fe0
R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000
FS: 0000555566881500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd30e70050 CR3: 000000011536e000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 48 c7 c6 50 d2 e3 87 mov $0xffffffff87e3d250,%rsi
7: e8 c2 39 e5 fb call 0xfbe539ce
c: 41 83 fe 25 cmp $0x25,%r14d
10: 74 4d je 0x5f
12: 45 85 f6 test %r14d,%r14d
15: 0f 84 a4 21 00 00 je 0x21bf
1b: 48 ff c3 inc %rbx
1e: 48 89 5c 24 58 mov %rbx,0x58(%rsp)
23: 4c 89 f8 mov %r15,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 8e 1b 00 00 jne 0x1bc5
37: 41 0f b6 1f movzbl (%r15),%ebx
3b: 45 0f b6 f6 movzbl %r14b,%r14d
3f: 44 rex.R