Extracting prog: 4m33.069784788s Minimizing prog: 28m36.343926936s Simplifying prog options: 12m7.017750148s Extracting C: 5m8.184083557s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0) syz_emit_ethernet(0x36, &(0x7f00000002c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x2, 0x28, 0x0, 0x0, 0x2, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xc2, 0x1}}}}}}, 0x0) program crashed: INFO: task hung in new_device_store program crashed: lost connection to test machine single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$nl_netfilter-syz_emit_ethernet detailed listing: executing program 0: socket$nl_netfilter(0x10, 0x3, 0xc) syz_emit_ethernet(0x36, &(0x7f00000002c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x2, 0x28, 0x0, 0x0, 0x2, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xc2, 0x1}}}}}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0) syz_emit_ethernet(0x36, &(0x7f00000002c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x2, 0x28, 0x0, 0x0, 0x2, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xc2, 0x1}}}}}}, 0x0) program crashed: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x36, &(0x7f00000002c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x2, 0x28, 0x0, 0x0, 0x2, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xc2, 0x1}}}}}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) syz_emit_ethernet(0x36, &(0x7f00000002c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x2, 0x28, 0x0, 0x0, 0x2, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xc2, 0x1}}}}}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x36, &(0x7f00000002c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x2, 0x28, 0x0, 0x0, 0x2, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xc2, 0x1}}}}}}, 0x0) program crashed: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program crashed: lost connection to test machine extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program crashed: lost connection to test machine extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH-syz_emit_ethernet 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}}): sendmsg$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program crashed: lost connection to test machine validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program crashed: lost connection to test machine validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$NFT_BATCH-syz_emit_ethernet detailed listing: executing program 0: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) program crashed: lost connection to test machine validation run: crashed=true reproducing took 1h11m48.615425458s repro crashed as (corrupted=false): final repro crashed as (corrupted=false):