Extracting prog: 7m43.904519372s
Minimizing prog: 1h2m58.142865777s
Simplifying prog options: 13m34.173425374s
Extracting C: 36.194954206s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: no output from test machine
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r0=>0x0})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, 0x0, 0x0)

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program did not crash
simplifying guilty program options
testing program (duration=8m37.917471384s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
a never seen crash title: INFO: task hung in corrupted, ignore
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program did not crash
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
validation run: crashed=true
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
validation run: crashed=true
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
validation run: crashed=true
reproducing took 1h36m59.497452405s
repro crashed as (corrupted=true):
INFO: task kworker/u8:9:3290 blocked for more than 144 seconds.
      Not tainted syzkaller #0

report is corrupted, running repro again
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
report is corrupted, running repro again
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
report is corrupted, running repro again
testing program (duration=8m37.917471384s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x41d, 0x2040000, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, 0x6024b, 0x8}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_to_bridge\x00'}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: INFO: task hung in corrupted
final repro crashed as (corrupted=true):
INFO: task kworker/u8:9:3313 blocked for more than 144 seconds.
      Not tainted syzkaller #0