Extracting prog: 6m27.186339104s
Minimizing prog: 1h17m19.523908268s
Simplifying prog options: 0s
Extracting C: 2m52.954932073s
Simplifying C: 57m28.602092047s


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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-bpf$PROG_LOAD-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-bpf$PROG_LOAD-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

program did not crash
single: failed to extract reproducer
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-bpf$PROG_LOAD-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

program crashed: unregister_netdevice: waiting for DEV to become free
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-bpf$PROG_LOAD-ioctl$SIOCSIFHWADDR-socketpair$nbd
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0))

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-bpf$PROG_LOAD-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-bpf$PROG_LOAD-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040))
bpf$PROG_LOAD(0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

program crashed: unregister_netdevice: waiting for DEV to become free
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a1, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a3, &(0x7f0000000900)={'bridge0\x00', @random='\x00\x00\x00 \x00'})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a3, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
simplifying 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
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:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
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:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
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:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
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:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
program crashed: unregister_netdevice: waiting for DEV to become free
reproducing took 2h24m8.267304492s
repro crashed as (corrupted=false):
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
unregister_netdevice: waiting for bridge0 to become free. Usage count = 2

final repro crashed as (corrupted=false):
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
unregister_netdevice: waiting for bridge0 to become free. Usage count = 2