Extracting prog: 11m52.404412402s Minimizing prog: 1h36m33.18720766s Simplifying prog options: 19m21.032604898s Extracting C: 5m15.430193042s 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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) 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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) 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=8m10.980401166s, {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_SET-socket$nl_rdma detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) socket$nl_rdma(0x10, 0x3, 0x14) program did not crash testing program (duration=8m10.980401166s, {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_SET-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: socket$nl_rdma(0x10, 0x3, 0x14) r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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$RDMA_NLDEV_CMD_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: sendmsg$RDMA_NLDEV_CMD_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, 0x0, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, 0x0, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program did not crash extracting C reproducer testing compiled C program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK 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=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program crashed: unregister_netdevice: waiting for DEV to become free extracting C reproducer testing compiled C program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program crashed: unregister_netdevice: waiting for DEV to become free extracting C reproducer testing compiled C program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=8m10.980401166s, {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_SET-socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK detailed listing: executing program 0: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="240000001b1401002abdd444d446df250800010000000000090002"], 0x24}, 0x1, 0x0, 0x0, 0x4040891}, 0x4180) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, 0x1403, 0x1, 0x70bd2d, 0x25dffbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000840}, 0x4000) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true reproducing took 2h23m9.037989969s repro crashed as (corrupted=false): unregister_netdevice: waiting for lo to become free. Usage count = 7 ref_tracker: netdev@ffff8880267ee618 has 1/1 users at __netdev_tracker_alloc include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4429 [inline] ib_device_set_netdev+0x31f/0x6d0 drivers/infiniband/core/device.c:2253 rxe_register_device+0x1bb/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1552 rxe_net_add+0x81/0x110 drivers/infiniband/sw/rxe/rxe_net.c:586 rxe_newlink+0xdd/0x190 drivers/infiniband/sw/rxe/rxe.c:234 nldev_newlink+0x4a5/0x5a0 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+0x6ae/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x820 net/socket.c:2592 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f final repro crashed as (corrupted=false): unregister_netdevice: waiting for lo to become free. Usage count = 7 ref_tracker: netdev@ffff8880267ee618 has 1/1 users at __netdev_tracker_alloc include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4429 [inline] ib_device_set_netdev+0x31f/0x6d0 drivers/infiniband/core/device.c:2253 rxe_register_device+0x1bb/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1552 rxe_net_add+0x81/0x110 drivers/infiniband/sw/rxe/rxe_net.c:586 rxe_newlink+0xdd/0x190 drivers/infiniband/sw/rxe/rxe.c:234 nldev_newlink+0x4a5/0x5a0 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+0x6ae/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x820 net/socket.c:2592 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f