Extracting prog: 6m35.025929091s
Minimizing prog: 2h9m10.862191133s
Simplifying prog options: 0s
Extracting C: 2m51.98012563s
Simplifying C: 1h9m17.996254389s


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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$unix-socketpair$nbd-perf_event_open-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
perf_event_open(0x0, 0x0, 0xc, 0xffffffffffffffff, 0x0)
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$unix-socketpair$nbd-perf_event_open-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
perf_event_open(0x0, 0x0, 0xc, 0xffffffffffffffff, 0x0)
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$unix-socketpair$nbd-perf_event_open-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
perf_event_open(0x0, 0x0, 0xc, 0xffffffffffffffff, 0x0)
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

program crashed: unregister_netdevice: waiting for DEV to become free
single: successfully extracted reproducer
found reproducer with 17 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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$unix-socketpair$nbd-perf_event_open
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040))
perf_event_open(0x0, 0x0, 0xc, 0xffffffffffffffff, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$unix-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$unix-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-bpf$PROG_LOAD-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f0000000340)='ext4_nfs_commit_metadata\x00', r0, 0x0, 0x8}, 0x18)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r3, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-socketpair$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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}}): bpf$MAP_CREATE-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, 0x0, 0x48)
openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000100), 0x2, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x5, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x3, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x89a2, &(0x7f0000000080))
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})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a1, &(0x7f0000000900)={'bridge0\x00', @broadcast})

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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-socketpair$nbd-ioctl$SIOCSIFHWADDR-socketpair$nbd-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'bridge0\x00', 0x20})
socketpair(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89a2, &(0x7f0000000080))
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000900)={'bridge0\x00', @remote})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$SIOCSIFHWADDR(r2, 0x89a1, 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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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:true 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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true 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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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: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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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: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$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-openat$cgroup_subtree-perf_event_open-ioctl$TUNSETIFF-socketpair-ioctl$PERF_EVENT_IOC_SET_FILTER-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
reproducing took 3h27m55.864539855s
repro crashed as (corrupted=false):
unregister_netdevice: waiting for bridge0 to become free. Usage count = 2
ref_tracker: bridge0@ffff88807ab04608 has 1/1 users at
     dev_ifsioc+0xbfe/0xe70 net/core/dev_ioctl.c:586
     dev_ioctl+0x719/0x1340 net/core/dev_ioctl.c:783
     sock_do_ioctl+0x240/0x460 net/socket.c:1223
     sock_ioctl+0x626/0x8e0 net/socket.c:1328
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:906 [inline]
     __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
     do_syscall_x64 arch/x86/entry/common.c:52 [inline]
     do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
     entry_SYSCALL_64_after_hwframe+0x77/0x7f


final repro crashed as (corrupted=false):
unregister_netdevice: waiting for bridge0 to become free. Usage count = 2
ref_tracker: bridge0@ffff88807ab04608 has 1/1 users at
     dev_ifsioc+0xbfe/0xe70 net/core/dev_ioctl.c:586
     dev_ioctl+0x719/0x1340 net/core/dev_ioctl.c:783
     sock_do_ioctl+0x240/0x460 net/socket.c:1223
     sock_ioctl+0x626/0x8e0 net/socket.c:1328
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:906 [inline]
     __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
     do_syscall_x64 arch/x86/entry/common.c:52 [inline]
     do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
     entry_SYSCALL_64_after_hwframe+0x77/0x7f