Extracting prog: 11m26.854605746s
Minimizing prog: 1h8m14.419359483s
Simplifying prog options: 17m14.105119375s
Extracting C: 5m9.675123808s
Simplifying C: 0s


30 programs, timeouts [6m0s]
extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 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}}): openat$tun-ioctl$TUNSETIFF-socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f00000002c0)={0x0, 0x4, &(0x7f0000001200)={&(0x7f0000001080)=ANY=[@ANYBLOB="380000000314010000000000000000000900020053797a310000000808004100736977001400330073797a6b616c6c657230"], 0x38}}, 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
single: successfully extracted reproducer
found reproducer with 4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
socket$nl_rdma(0x10, 0x3, 0x14)

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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(0xffffffffffffffff, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
socket$nl_rdma(0x10, 0x3, 0x14)
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r0, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r0, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, 0x0, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x28}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB], 0x28}}, 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs: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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'wlan0\x00'}}]}, 0x38}}, 0x0)
r1 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r1, &(0x7f0000013c00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000013b80)=ANY=[@ANYBLOB="280000001b14010000000000000000000800030001fc0000080001000000000008003f"], 0x28}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
reproducing took 1h42m6.891059973s
repro crashed as (corrupted=false):
unregister_netdevice: waiting for wlan0 to become free. Usage count = 3
ref_tracker: wlan%d@ffff88807b0e8628 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4057 [inline]
     netdev_hold include/linux/netdevice.h:4086 [inline]
     ib_device_set_netdev+0x2cb/0x6b0 drivers/infiniband/core/device.c:2216
     siw_device_create drivers/infiniband/sw/siw/siw_main.c:322 [inline]
     siw_newlink+0x425/0xe50 drivers/infiniband/sw/siw/siw_main.c:442
     nldev_newlink+0x5c0/0x640 drivers/infiniband/core/nldev.c:1795
     rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
     rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259
     netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
     netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
     netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
     sock_sendmsg_nosec net/socket.c:729 [inline]
     __sock_sendmsg+0x221/0x270 net/socket.c:744
     ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2602
     ___sys_sendmsg net/socket.c:2656 [inline]
     __sys_sendmsg+0x292/0x380 net/socket.c:2685
     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 wlan0 to become free. Usage count = 3
ref_tracker: wlan%d@ffff88807b0e8628 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4057 [inline]
     netdev_hold include/linux/netdevice.h:4086 [inline]
     ib_device_set_netdev+0x2cb/0x6b0 drivers/infiniband/core/device.c:2216
     siw_device_create drivers/infiniband/sw/siw/siw_main.c:322 [inline]
     siw_newlink+0x425/0xe50 drivers/infiniband/sw/siw/siw_main.c:442
     nldev_newlink+0x5c0/0x640 drivers/infiniband/core/nldev.c:1795
     rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
     rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259
     netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
     netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
     netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
     sock_sendmsg_nosec net/socket.c:729 [inline]
     __sock_sendmsg+0x221/0x270 net/socket.c:744
     ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2602
     ___sys_sendmsg net/socket.c:2656 [inline]
     __sys_sendmsg+0x292/0x380 net/socket.c:2685
     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