Extracting prog: 7m18.723424155s Minimizing prog: 1h42m57.864834802s Simplifying prog options: 0s Extracting C: 32.652209812s Simplifying C: 15m56.000993457s extracting reproducer from 15 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-setsockopt$XDP_UMEM_REG-setsockopt$XDP_TX_RING-setsockopt$XDP_UMEM_COMPLETION_RING-setsockopt$XDP_UMEM_FILL_RING-socketpair$unix-ioctl$sock_SIOCGIFINDEX-bind$xdp-mmap$xdp-pipe2-write-read-write-read-sendmsg$xdp-ppoll detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000100000)=""/8192, 0x2000, 0x800}, 0x20) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000040)=0x10, 0x4) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f0000000080)=0x10, 0x4) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000140)=0x10, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$xdp(r0, &(0x7f00000003c0)={0x2c, 0x2, r2, 0x0, 0x0}, 0x10) mmap$xdp(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x11, r0, 0x80000000) pipe2(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write(r4, &(0x7f0000000500)="01000000", 0x4) read(r3, &(0x7f0000000000), 0x4) write(r4, &(0x7f0000000600)='\x00\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00', 0x10) read(r3, &(0x7f0000000140), 0x10) sendmsg$xdp(r0, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, 0x40) ppoll(&(0x7f0000000800)=[{r0, 0x4}], 0x1, 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write-close-socket$inet-connect$inet-write-read-close detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) close(r3) r4 = socket$inet(0x2, 0x1, 0x0) connect$inet(r4, &(0x7f0000000500)={0x2, 0x801, @loopback}, 0x10) write(r4, &(0x7f0000000600)="80000070123456780000000000000002000186a300000003000000000000000600000024000000010000000100000001000000020000000401000000000000060000000800000001000000000000000100000020040405ff00000000000000000000000100"/116, 0x74) read(r4, &(0x7f0000000800)=""/100, 0x100) close(r4) program crashed: kernel BUG in svc_destroy single: successfully extracted reproducer found reproducer with 21 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write-close-socket$inet-connect$inet-write-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) close(r3) r4 = socket$inet(0x2, 0x1, 0x0) connect$inet(r4, &(0x7f0000000500)={0x2, 0x801, @loopback}, 0x10) write(r4, &(0x7f0000000600)="80000070123456780000000000000002000186a300000003000000000000000600000024000000010000000100000001000000020000000401000000000000060000000800000001000000000000000100000020040405ff00000000000000000000000100"/116, 0x74) read(r4, &(0x7f0000000800)=""/100, 0x100) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write-close-socket$inet-connect$inet-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) close(r3) r4 = socket$inet(0x2, 0x1, 0x0) connect$inet(r4, &(0x7f0000000500)={0x2, 0x801, @loopback}, 0x10) write(r4, &(0x7f0000000600)="80000070123456780000000000000002000186a300000003000000000000000600000024000000010000000100000001000000020000000401000000000000060000000800000001000000000000000100000020040405ff00000000000000000000000100"/116, 0x74) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write-close-socket$inet-connect$inet detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) close(r3) r4 = socket$inet(0x2, 0x1, 0x0) connect$inet(r4, &(0x7f0000000500)={0x2, 0x801, @loopback}, 0x10) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write-close-socket$inet detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) close(r3) socket$inet(0x2, 0x1, 0x0) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write-close detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) close(r3) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) close(r1) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) close(r0) write(0xffffffffffffffff, &(0x7f00000002c0)='tcp 2049\n', 0x9) 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}}): mkdirat-mount-mkdirat-mount-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-3 -4.0 -4.1\n', 0xd) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) 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}}): mkdirat-mount-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying 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}}): mkdirat-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, 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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(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}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy simplifying 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}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy 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}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: kernel BUG in svc_destroy testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='tcp 2049\n', 0x9) program crashed: kernel BUG in svc_destroy validation run: crashed=true reproducing took 2h11m13.427963082s repro crashed as (corrupted=false): ------------[ cut here ]------------ kernel BUG at net/sunrpc/svc.c:572! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4311 Comm: syz.0.18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:572 Code: 5f 5d e9 ff ae c3 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 43 c4 f8 e9 17 ff ff ff e8 ac 20 7f f8 <0f> 0b e8 a5 20 7f f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90002f4fad0 EFLAGS: 00010293 RAX: ffffffff88f9e0d4 RBX: ffff88807d7fc450 RCX: ffff88801e841dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002f4fc78 R08: ffffffff901ee1ff R09: 1ffffffff203dc3f R10: dffffc0000000000 R11: fffffbfff203dc40 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88807d7fc468 R15: 0000000000000001 FS: 0000555566611500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f2bfe716d8 CR3: 0000000071f96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kref_put include/linux/kref.h:65 [inline] svc_put include/linux/sunrpc/svc.h:123 [inline] __write_ports_addxprt fs/nfsd/nfsctl.c:770 [inline] __write_ports fs/nfsd/nfsctl.c:796 [inline] write_ports+0xa26/0xb80 fs/nfsd/nfsctl.c:849 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114 vfs_write+0x304/0xd70 fs/read_write.c:592 ksys_write+0x153/0x260 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f61b6a77f99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd59d94068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f61b6cfffa0 RCX: 00007f61b6a77f99 RDX: 0000000000000009 RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 00007f61b6b0eec4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f61b6cfffac R14: 00007f61b6cfffa0 R15: 00007f61b6cfffa0 Modules linked in: ---[ end trace e038bf6abacd82b7 ]--- RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:572 Code: 5f 5d e9 ff ae c3 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 43 c4 f8 e9 17 ff ff ff e8 ac 20 7f f8 <0f> 0b e8 a5 20 7f f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90002f4fad0 EFLAGS: 00010293 RAX: ffffffff88f9e0d4 RBX: ffff88807d7fc450 RCX: ffff88801e841dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002f4fc78 R08: ffffffff901ee1ff R09: 1ffffffff203dc3f R10: dffffc0000000000 R11: fffffbfff203dc40 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88807d7fc468 R15: 0000000000000001 FS: 0000555566611500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f2bfe716d8 CR3: 0000000071f96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 final repro crashed as (corrupted=false): ------------[ cut here ]------------ kernel BUG at net/sunrpc/svc.c:572! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4311 Comm: syz.0.18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:572 Code: 5f 5d e9 ff ae c3 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 43 c4 f8 e9 17 ff ff ff e8 ac 20 7f f8 <0f> 0b e8 a5 20 7f f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90002f4fad0 EFLAGS: 00010293 RAX: ffffffff88f9e0d4 RBX: ffff88807d7fc450 RCX: ffff88801e841dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002f4fc78 R08: ffffffff901ee1ff R09: 1ffffffff203dc3f R10: dffffc0000000000 R11: fffffbfff203dc40 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88807d7fc468 R15: 0000000000000001 FS: 0000555566611500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f2bfe716d8 CR3: 0000000071f96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kref_put include/linux/kref.h:65 [inline] svc_put include/linux/sunrpc/svc.h:123 [inline] __write_ports_addxprt fs/nfsd/nfsctl.c:770 [inline] __write_ports fs/nfsd/nfsctl.c:796 [inline] write_ports+0xa26/0xb80 fs/nfsd/nfsctl.c:849 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114 vfs_write+0x304/0xd70 fs/read_write.c:592 ksys_write+0x153/0x260 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f61b6a77f99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd59d94068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f61b6cfffa0 RCX: 00007f61b6a77f99 RDX: 0000000000000009 RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 00007f61b6b0eec4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f61b6cfffac R14: 00007f61b6cfffa0 R15: 00007f61b6cfffa0 Modules linked in: ---[ end trace e038bf6abacd82b7 ]--- RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:572 Code: 5f 5d e9 ff ae c3 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 43 c4 f8 e9 17 ff ff ff e8 ac 20 7f f8 <0f> 0b e8 a5 20 7f f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90002f4fad0 EFLAGS: 00010293 RAX: ffffffff88f9e0d4 RBX: ffff88807d7fc450 RCX: ffff88801e841dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002f4fc78 R08: ffffffff901ee1ff R09: 1ffffffff203dc3f R10: dffffc0000000000 R11: fffffbfff203dc40 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88807d7fc468 R15: 0000000000000001 FS: 0000555566611500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f2bfe716d8 CR3: 0000000071f96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400