Extracting prog: 5m18.299504264s
Minimizing prog: 1h41m34.126610176s
Simplifying prog options: 11m26.266400317s
Extracting C: 35.001476466s
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in corrupted
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8}]}, 0x28}}, 0x0)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
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-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r1=>0x0})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0)

program did not crash
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$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r1=>0x0})
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, 0x0, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, 0x0, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
program did not crash
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in corrupted
extracting C reproducer
testing compiled C program (duration=6m0s, {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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
program did not crash
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in corrupted
extracting 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}}): socket$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
program did not crash
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in addrconf_dad_work
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in corrupted
validation run: crashed=true
reproducing took 2h14m44.006166719s
repro crashed as (corrupted=true):
INFO: task kworker/0:4:5703 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D stack:27328 pid:5703  tgid:5703  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x17d4/0x5630 kernel/sched/core.c:7239

report is corrupted, running repro again
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in addrconf_dad_work
final repro crashed as (corrupted=false):
INFO: task kworker/u8:9:5846 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:9    state:D stack:25616 pid:5846  tgid:5846  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x17d4/0x5630 kernel/sched/core.c:7239
 __schedule_loop kernel/sched/core.c:7316 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7331
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7388
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821
 rtnl_net_lock include/linux/rtnetlink.h:134 [inline]
 addrconf_dad_work+0x116/0x15c0 net/ipv6/addrconf.c:4230