Extracting prog: 8m44.040140799s Minimizing prog: 1h33m18.20224546s Simplifying prog options: 17m48.296473373s Extracting C: 5m16.069239484s 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$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) program did not crash 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$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) 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$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(0xffffffffffffffff, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(0xffffffffffffffff, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(0xffffffffffffffff, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: socket$can_j1939(0x1d, 0x2, 0x7) r0 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r0, &(0x7f00000001c0)={0x1d, 0x0, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r0, &(0x7f0000000220)={0x1d, 0x0, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r0, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r1 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r1, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r1, &(0x7f00000001c0)={0x1d, r0, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r1, &(0x7f0000000220)={0x1d, r0, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r1, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, 0x0) r1 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r1, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r1, &(0x7f00000001c0)={0x1d, 0x0, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r1, &(0x7f0000000220)={0x1d, 0x0, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r1, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, 0x0, 0x0) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, 0x0, 0x0) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, 0x0, 0x0) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939 detailed listing: executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) r2 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$sock_int(r2, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4) bind$can_j1939(r2, &(0x7f00000001c0)={0x1d, r1, 0x807060504030201, {}, 0x30}, 0x18) connect$can_j1939(r2, &(0x7f0000000220)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18) sendmsg$can_j1939(r2, &(0x7f0000000260)={0x0, 0x0, &(0x7f00000002a0)={&(0x7f00000002c0)="0102030405060708", 0x8}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true reproducing took 2h17m35.832579162s repro crashed as (corrupted=false): unregister_netdevice: waiting for vcan0 to become free. Usage count = 1201 ref_tracker: netdev@ffff888029348700 has 600/1200 users at __netdev_tracker_alloc include/linux/netdevice.h:4530 [inline] netdev_hold include/linux/netdevice.h:4559 [inline] j1939_ecu_create_locked+0x1cd/0x400 net/can/j1939/bus.c:159 j1939_local_ecu_get+0xeb/0x220 net/can/j1939/bus.c:293 j1939_sk_bind+0x70a/0xc60 net/can/j1939/socket.c:529 __sys_bind_socket net/socket.c:1947 [inline] __sys_bind+0x2e3/0x410 net/socket.c:1978 __do_sys_bind net/socket.c:1983 [inline] __se_sys_bind net/socket.c:1981 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1981 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f ref_tracker: netdev@ffff888029348700 has 600/1200 users at __netdev_tracker_alloc include/linux/netdevice.h:4530 [inline] netdev_hold include/linux/netdevice.h:4559 [inline] j1939_priv_create net/can/j1939/main.c:140 [inline] j1939_netdev_start+0x387/0xb20 net/can/j1939/main.c:268 j1939_sk_bind+0x946/0xc60 net/can/j1939/socket.c:506 __sys_bind_socket net/socket.c:1947 [inline] __sys_bind+0x2e3/0x410 net/socket.c:1978 __do_sys_bind net/socket.c:1983 [inline] __se_sys_bind net/socket.c:1981 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1981 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f final repro crashed as (corrupted=false): unregister_netdevice: waiting for vcan0 to become free. Usage count = 1201 ref_tracker: netdev@ffff888029348700 has 600/1200 users at __netdev_tracker_alloc include/linux/netdevice.h:4530 [inline] netdev_hold include/linux/netdevice.h:4559 [inline] j1939_ecu_create_locked+0x1cd/0x400 net/can/j1939/bus.c:159 j1939_local_ecu_get+0xeb/0x220 net/can/j1939/bus.c:293 j1939_sk_bind+0x70a/0xc60 net/can/j1939/socket.c:529 __sys_bind_socket net/socket.c:1947 [inline] __sys_bind+0x2e3/0x410 net/socket.c:1978 __do_sys_bind net/socket.c:1983 [inline] __se_sys_bind net/socket.c:1981 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1981 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f ref_tracker: netdev@ffff888029348700 has 600/1200 users at __netdev_tracker_alloc include/linux/netdevice.h:4530 [inline] netdev_hold include/linux/netdevice.h:4559 [inline] j1939_priv_create net/can/j1939/main.c:140 [inline] j1939_netdev_start+0x387/0xb20 net/can/j1939/main.c:268 j1939_sk_bind+0x946/0xc60 net/can/j1939/socket.c:506 __sys_bind_socket net/socket.c:1947 [inline] __sys_bind+0x2e3/0x410 net/socket.c:1978 __do_sys_bind net/socket.c:1983 [inline] __se_sys_bind net/socket.c:1981 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1981 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f