Extracting prog: 4m5.202286358s Minimizing prog: 22m14.436114153s Simplifying prog options: 6m46.616510846s Extracting C: 2m36.016761631s Simplifying C: 0s 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 CallComments:true 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 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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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=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 CallComments:true 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 did not crash simplifying guilty program options testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$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=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET program did not crash testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$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=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET program did not crash testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$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 validation run: crashed=true testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$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 validation run: crashed=true testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$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 validation run: crashed=true reproducing took 38m17.634899845s repro crashed as (corrupted=false): unregister_netdevice: waiting for wlan0 to become free. Usage count = 3 ref_tracker: netdev@000000006737a314 has 1/1 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] ib_device_set_netdev+0x2b0/0x5e4 drivers/infiniband/core/device.c:2253 siw_device_create drivers/infiniband/sw/siw/siw_main.c:320 [inline] siw_newlink+0x39c/0xb88 drivers/infiniband/sw/siw/siw_main.c:426 nldev_newlink+0x3f8/0x4c8 drivers/infiniband/core/nldev.c:1797 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x54c/0x7d8 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x694/0x8c4 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0x490/0x7b8 net/socket.c:2630 ___sys_sendmsg+0x204/0x278 net/socket.c:2684 __sys_sendmsg net/socket.c:2716 [inline] __do_sys_sendmsg net/socket.c:2721 [inline] __se_sys_sendmsg net/socket.c:2719 [inline] __arm64_sys_sendmsg+0x184/0x238 net/socket.c:2719 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 final repro crashed as (corrupted=false): unregister_netdevice: waiting for wlan0 to become free. Usage count = 3 ref_tracker: netdev@000000006737a314 has 1/1 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] ib_device_set_netdev+0x2b0/0x5e4 drivers/infiniband/core/device.c:2253 siw_device_create drivers/infiniband/sw/siw/siw_main.c:320 [inline] siw_newlink+0x39c/0xb88 drivers/infiniband/sw/siw/siw_main.c:426 nldev_newlink+0x3f8/0x4c8 drivers/infiniband/core/nldev.c:1797 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x54c/0x7d8 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x694/0x8c4 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0x490/0x7b8 net/socket.c:2630 ___sys_sendmsg+0x204/0x278 net/socket.c:2684 __sys_sendmsg net/socket.c:2716 [inline] __do_sys_sendmsg net/socket.c:2721 [inline] __se_sys_sendmsg net/socket.c:2719 [inline] __arm64_sys_sendmsg+0x184/0x238 net/socket.c:2719 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596