Extracting prog: 17m54.756497277s
Minimizing prog: 49m33.352448631s
Simplifying prog options: 7m30.409841611s
Extracting C: 3m16.634150255s
Simplifying C: 1h8m25.091452059s


extracting reproducer from 32 programs
testing a last program of every proc
single: executing 7 programs separately with timeout 6m0s
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-bind$auto-connect$auto-shutdown$auto
detailed listing:
executing program 0:
r0 = socket(0x2, 0x1, 0x106)
bind$auto(r0, &(0x7f0000000040)=@in={0x2, 0x3, @multicast2}, 0x6a)
connect$auto(0x3, &(0x7f0000000080)=@in={0x2, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}, 0x54)
shutdown$auto(0x200000003, 0x0)

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-bind$auto-connect$auto-shutdown$auto
detailed listing:
executing program 0:
r0 = socket(0x2, 0x1, 0x106)
bind$auto(r0, &(0x7f0000000040)=@in={0x2, 0x3, @multicast2}, 0x6a)
connect$auto(0x3, &(0x7f0000000080)=@in={0x2, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}, 0x54)
shutdown$auto(0x200000003, 0x0)

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program crashed: INFO: task hung in corrupted
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
socket$nl_generic(0x10, 0x3, 0x10)

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, 0x0, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program did not crash
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program crashed: INFO: task hung in corrupted
extracting C reproducer
testing compiled C program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
simplifying C reproducer
testing compiled C program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: INFO: task hung in corrupted
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
validation run: crashed=false
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program crashed: INFO: task hung in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program crashed: INFO: task hung in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
sendmsg$auto_GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x20004050}, 0x4000084)
lstat$auto(0x0, &(0x7f0000000180)={0x4, 0x1c, 0x9, 0x63, 0x0, 0x0, 0x0, 0xffc, 0x8, 0x80000000000000a, 0x0, 0x9, 0x9, 0xffffffff80000000, 0xd, 0x6, 0x200000100103})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r0, 0x89fc, &(0x7f0000000040)={'bridge0\x00'})

program crashed: INFO: task hung in corrupted
validation run: crashed=true
reproducing took 2h43m55.613435999s
repro crashed as (corrupted=true):
INFO: task kworker/u8:5:86 blocked for more than 152 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5    state:D stack:26136 pid:86    tgid:86    ppid:2      task_flags:0x4208060 flags:0x00080000

report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_GTP_CMD_NEWPDP-lstat$auto-socket$nl_generic-ioctl$sock_SIOCGIFINDEX
program crashed: no output from test machine
final repro crashed as (corrupted=false):