Extracting prog: 31m15.102482971s Minimizing prog: 4h48m11.745984891s Simplifying prog options: 0s Extracting C: 3m6.824565221s Simplifying C: 26m49.289344389s extracting reproducer from 85 programs testing a last program of every proc single: executing 35 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}}): syz_usb_connect-nanosleep-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-bind$bt_hci-sendto-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-bind$bt_hci-sendto detailed listing: executing program 0: syz_usb_connect(0x2, 0x50, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002e00101405c0ae82100010000000109023e00020100c0000904000003e00101000705810310000107050202400000070582024000000904010002e00101000705030100000107058301000001"], &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0}) nanosleep(&(0x7f0000000100)={0x1}, 0x0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r0, 0x400448ca, 0x0) bind$bt_hci(r0, &(0x7f0000000200)={0x1f, 0x0, 0x1}, 0x6) sendto(r0, &(0x7f0000000300)="f100040000", 0x5, 0x0, 0x0, 0x0) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r1, 0x400448ca, 0x0) bind$bt_hci(r1, &(0x7f0000000210)={0x1f, 0x1, 0x1}, 0x6) sendto(r1, &(0x7f0000000300)="f100040000", 0x5, 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$inet-bind$inet-listen-openat$nvme_fabrics-write-nanosleep-accept$inet-write-nanosleep detailed listing: executing program 0: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x1111, @empty}, 0x10) listen(r0, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) write(r1, &(0x7f0000000300)='nqn=test,transport=tcp,traddr=127.0.0.1,trsvcid=4369,data_digest\x00', 0x41) (async) nanosleep(&(0x7f0000000080)={0x0, 0x5f5e100}, 0x0) r2 = accept$inet(r0, 0x0, 0x0) write(r2, &(0x7f0000000100)="01008000800000000000000200004000"/129, 0x80) nanosleep(&(0x7f0000000080)={0x0, 0x1dcd6500}, 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}}): syz_usb_connect-nanosleep-mknodat-openat-read-close-mknodat-openat-read-close-mknodat-openat-read-close-mknodat-openat-read-close-mknodat-openat-read-close-mknodat-openat-read-close-mknodat-openat-read-close-mknodat-openat-read-close detailed listing: executing program 0: syz_usb_connect(0x3, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff0000405e04ae020001010203010902190001010080fa0904000001ffffff0007058101000201"], &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0}) nanosleep(&(0x7f0000000080)={0x2}, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./video0\x00', 0x81b6, 0x5100) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./video0\x00', 0x802, 0x0) read(r0, &(0x7f0000000200)=""/1024, 0x400) close(r0) mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./video1\x00', 0x81b6, 0x5101) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./video1\x00', 0x802, 0x0) read(r1, &(0x7f0000000200)=""/1024, 0x400) close(r1) mknodat(0xffffffffffffff9c, &(0x7f00000001c0)='./video2\x00', 0x81b6, 0x5102) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./video2\x00', 0x802, 0x0) read(r2, &(0x7f0000000200)=""/1024, 0x400) close(r2) mknodat(0xffffffffffffff9c, &(0x7f0000000640)='./video3\x00', 0x81b6, 0x5103) r3 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./video3\x00', 0x802, 0x0) read(r3, &(0x7f0000000200)=""/1024, 0x400) close(r3) mknodat(0xffffffffffffff9c, &(0x7f00000006c0)='./video4\x00', 0x81b6, 0x5104) r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./video4\x00', 0x802, 0x0) read(r4, &(0x7f0000000200)=""/1024, 0x400) close(r4) mknodat(0xffffffffffffff9c, &(0x7f0000000740)='./video5\x00', 0x81b6, 0x5105) r5 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./video5\x00', 0x802, 0x0) read(r5, &(0x7f0000000200)=""/1024, 0x400) close(r5) mknodat(0xffffffffffffff9c, &(0x7f00000007c0)='./video6\x00', 0x81b6, 0x5106) r6 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./video6\x00', 0x802, 0x0) read(r6, &(0x7f0000000200)=""/1024, 0x400) close(r6) mknodat(0xffffffffffffff9c, &(0x7f0000000840)='./video7\x00', 0x81b6, 0x5107) r7 = openat(0xffffffffffffff9c, &(0x7f0000000880)='./video7\x00', 0x802, 0x0) read(r7, &(0x7f0000000200)=""/1024, 0x400) close(r7) 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, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='2049\n\x00', 0x5) 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read-write-read-write-nanosleep-mkdirat-mount detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) write(r5, &(0x7f0000000340), 0x40a) read(r5, &(0x7f0000000380), 0x40a) write(r5, &(0x7f00000003c0), 0x40a) nanosleep(&(0x7f0000000500)={0x0, 0x1dcd6500}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./mnt\x00', 0x1ff) mount(&(0x7f0000000700)=@filename='127.0.0.1:/\x00', &(0x7f0000000600)='./mnt\x00', &(0x7f0000000800)='nfs4\x00', 0x0, &(0x7f0000000900)='clientaddr=127.0.0.1,addr=127.0.0.1\x00') program crashed: INFO: task hung in nfsd4_cld_tracking_init single: successfully extracted reproducer found reproducer with 33 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-openat-write-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read-write-read-write-nanosleep-mkdirat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) write(r5, &(0x7f0000000340), 0x40a) read(r5, &(0x7f0000000380), 0x40a) write(r5, &(0x7f00000003c0), 0x40a) nanosleep(&(0x7f0000000500)={0x0, 0x1dcd6500}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./mnt\x00', 0x1ff) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read-write-read-write-nanosleep detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) write(r5, &(0x7f0000000340), 0x40a) read(r5, &(0x7f0000000380), 0x40a) write(r5, &(0x7f00000003c0), 0x40a) nanosleep(&(0x7f0000000500)={0x0, 0x1dcd6500}, 0x0) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read-write-read-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) write(r5, &(0x7f0000000340), 0x40a) read(r5, &(0x7f0000000380), 0x40a) write(r5, &(0x7f00000003c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read-write-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) write(r5, &(0x7f0000000340), 0x40a) read(r5, &(0x7f0000000380), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) write(r5, &(0x7f0000000340), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) read(r5, &(0x7f00000002c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) write(r4, &(0x7f0000000280), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) read(r4, &(0x7f0000000240), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) write(r4, &(0x7f00000001c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) read(r4, &(0x7f0000000180), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) write(r3, &(0x7f0000000140), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) write(r3, &(0x7f0000000080), 0x40a) 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f0000000040), 0x40a) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-openat-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-close-openat-nanosleep-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-openat-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-close-openat-nanosleep-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(0xffffffffffffffff, &(0x7f00000000c0), 0x40a) 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-openat-write-close-openat-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-close-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd_umount 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-openat-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r2, &(0x7f00000000c0), 0x40a) 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-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) write(0xffffffffffffffff, &(0x7f0000000100)='0\n', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r2, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f0000000100)='0\n', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r2, &(0x7f00000000c0), 0x40a) 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-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) write(0xffffffffffffffff, &(0x7f0000000f00)='tcp 2049\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f0000000100)='0\n', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r2, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000f00)='tcp 2049\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f0000000100)='0\n', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r2, &(0x7f00000000c0), 0x40a) 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-write-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r0 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000f00)='tcp 2049\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f0000000100)='0\n', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r2, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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}}): mount-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00), 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00), 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100), 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(0x0, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(0x0, 0x0) read(r3, &(0x7f00000000c0), 0x40a) 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-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, 0x0, 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-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init 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-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read 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:true 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-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init testing compiled C program (duration=6m0s, {Threaded:true 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-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init testing compiled C program (duration=6m0s, {Threaded:true 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-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init testing compiled C program (duration=6m0s, {Threaded:true 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-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init testing compiled C program (duration=6m0s, {Threaded:true 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init testing compiled C program (duration=6m0s, {Threaded:true 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read program crashed: INFO: task hung in nfsd4_cld_tracking_init testing program (duration=6m0s, {Threaded:true 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init validation run: crashed=true testing program (duration=6m0s, {Threaded:true 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init validation run: crashed=true testing program (duration=6m0s, {Threaded:true 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-openat-write-openat-write-openat-nanosleep-nanosleep-read detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000a00)='./nfsd\x00', &(0x7f0000000b00)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./rpc_pipefs\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./rpc_pipefs\x00', &(0x7f0000000400)='rpc_pipefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000d00)='-2 -3 +4\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f0000000f00)='tcp 2049\n', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000100)='0\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./rpc_pipefs/nfsd/cld\x00', 0x2, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) read(r3, &(0x7f00000000c0), 0x40a) program crashed: INFO: task hung in nfsd4_cld_tracking_init validation run: crashed=true reproducing took 5h59m51.364544862s repro crashed as (corrupted=false): INFO: task syz.4.22:6082 blocked for more INFO: task syz.4.22:6082 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.22 state:D stack:25752 pid:6082 tgid:6081 ppid:5997 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5520 [inline] __schedule+0x1259/0x6920 kernel/sched/core.c:7270 __schedule_loop kernel/sched/core.c:7347 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7362 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121 __cld_pipe_upcall fs/nfsd/nfs4recover.c:673 [inline] cld_pipe_upcall fs/nfsd/nfs4recover.c:691 [inline] nfsd4_cld_get_version fs/nfsd/nfs4recover.c:1425 [inline] nfsd4_cld_tracking_init+0x4be/0x10f0 fs/nfsd/nfs4recover.c:1490 nfsd4_client_tracking_init+0xe5/0x1c0 fs/nfsd/nfs4recover.c:1941 nfs4_state_start_net.cold+0xb7/0x480 fs/nfsd/nfs4state.c:9838 nfsd_startup_net fs/nfsd/nfssvc.c:391 [inline] nfsd_svc+0x54a/0x7d0 fs/nfsd/nfssvc.c:775 write_threads+0x316/0x600 fs/nfsd/nfsctl.c:438 nfsctl_transaction_write+0x106/0x1a0 fs/nfsd/nfsctl.c:114 vfs_write+0x2aa/0x1050 fs/read_write.c:685 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27efb9e159 RSP: 002b:00007f27ef1fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f27efe25fa0 RCX: 00007f27efb9e159 RDX: 0000000000000002 RSI: 0000200000000100 RDI: 0000000000000005 RBP: 00007f27efc35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f27efe26038 R14: 00007f27efe25fa0 R15: 00007ffc1ee00908 Showing all locks held in the system: locks held by pr/ttyS0/16: 2, last CPU#0: #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline] #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:439 [inline] #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x49/0x60 kernel/printk/printk.c:291 #1: ffffffff9bc63c78 (&port_lock_key){-.-.}-{3:3}, at: __uart_port_lock_irqsave include/linux/serial_core.h:613 [inline] #1: ffffffff9bc63c78 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x64/0xc0 drivers/tty/serial/8250/8250_core.c:413 locks held by khungtaskd/32: 1, last CPU#1: #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6837 locks held by getty/5358: 2, on CPU#0: #0: ffff88801d3180a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900032262e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14e0 drivers/tty/n_tty.c:2211 locks held by syz.4.22/6082: 3, on CPU#0: #0: ffff8880361de9b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807aa18460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.5.23/6451: 3, on CPU#1: #0: ffff88802ae757b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807e4c0460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.5.23/6454: 3, on CPU#1: #0: ffff88807b5f9b30 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807e4c0460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.5.23/6459: 3, on CPU#0: #0: ffff888075885970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807e4c0460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.6.24/6640: 3, on CPU#0: #0: ffff8880796ebcf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807c592460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.6.24/6641: 3, on CPU#1: #0: ffff8880796e3970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807c592460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.6.24/6642: 3, on CPU#1: #0: ffff8880796e30b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807c592460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.7.25/6687: 3, on CPU#0: #0: ffff88807cd0f970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888032468460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.7.25/6688: 3, on CPU#0: #0: ffff88807cd0e470 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888032468460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.7.25/6689: 3, on CPU#1: #0: ffff8880796e49b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888032468460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.8.26/6740: 3, on CPU#0: #0: ffff8880796e5270 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802d02c460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.8.26/6741: 3, on CPU#1: #0: ffff8880796e3eb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802d02c460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.8.26/6742: 3, on CPU#1: #0: ffff8880796e37b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802d02c460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.9.27/6789: 3, on CPU#0: #0: ffff888032c9beb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802a612460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.9.27/6790: 3, on CPU#0: #0: ffff88806ff79eb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802a612460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.9.27/6791: 3, on CPU#0: #0: ffff888032c9bcf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802a612460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.0.28/6871: 3, on CPU#0: #0: ffff888075b4b430 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888079320460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.0.28/6877: 3, on CPU#0: #0: ffff88807efa0ef0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888079320460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.0.28/6881: 3, on CPU#1: #0: ffff88807c963cf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888079320460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.1.29/7092: 3, on CPU#1: #0: ffff88807911e470 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888035294460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.1.29/7094: 3, on CPU#1: #0: ffff888079802ef0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888035294460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.1.29/7097: 3, on CPU#0: #0: ffff88803384bb30 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888035294460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.2.30/7306: 3, on CPU#0: #0: ffff8880759ebb30 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88805b406460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.2.30/7310: 3, on CPU#0: #0: ffff88802ae75cf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88805b406460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.2.30/7314: 3, on CPU#1: #0: ffff88807cd0dcf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88805b406460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x21f/0x2a0 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x141/0x190 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xcb1/0x1030 kernel/hung_task.c:561 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 16 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:410 Code: 07 5c fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 48 1a cf fc eb a2 e8 d1 1a RSP: 0018:ffffc90000157958 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff85afe8d0 RDI: ffffffff9bc63ca0 RBP: ffffffff9bc63c60 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 205d323354202020 R12: 0000000000000000 R13: 0000000000000020 R14: fffffbfff378c7e9 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888123b61000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cc51dfbfe0 CR3: 000000000eb96000 CR4: 00000000003526f0 Call Trace: serial_in drivers/tty/serial/8250/8250.h:128 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:150 [inline] wait_for_lsr+0x13a/0x210 drivers/tty/serial/8250/8250_port.c:2013 serial8250_fifo_wait_for_lsr_thre+0x5f/0xd0 drivers/tty/serial/8250/8250_port.c:3270 __serial8250_console_fifo_write+0xa5/0x290 drivers/tty/serial/8250/8250_port.c:3345 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3378 [inline] __serial8250_console_write drivers/tty/serial/8250/8250_port.c:3429 [inline] serial8250_console_write+0xf46/0x1330 drivers/tty/serial/8250/8250_port.c:3493 nbcon_emit_next_record+0x8f7/0xa70 kernel/printk/nbcon.c:1070 nbcon_emit_one+0x1a8/0x2b0 kernel/printk/nbcon.c:1157 nbcon_kthread_func+0x613/0x7d0 kernel/printk/nbcon.c:1271 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): INFO: task syz.4.22:6082 blocked for more INFO: task syz.4.22:6082 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.22 state:D stack:25752 pid:6082 tgid:6081 ppid:5997 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5520 [inline] __schedule+0x1259/0x6920 kernel/sched/core.c:7270 __schedule_loop kernel/sched/core.c:7347 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7362 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121 __cld_pipe_upcall fs/nfsd/nfs4recover.c:673 [inline] cld_pipe_upcall fs/nfsd/nfs4recover.c:691 [inline] nfsd4_cld_get_version fs/nfsd/nfs4recover.c:1425 [inline] nfsd4_cld_tracking_init+0x4be/0x10f0 fs/nfsd/nfs4recover.c:1490 nfsd4_client_tracking_init+0xe5/0x1c0 fs/nfsd/nfs4recover.c:1941 nfs4_state_start_net.cold+0xb7/0x480 fs/nfsd/nfs4state.c:9838 nfsd_startup_net fs/nfsd/nfssvc.c:391 [inline] nfsd_svc+0x54a/0x7d0 fs/nfsd/nfssvc.c:775 write_threads+0x316/0x600 fs/nfsd/nfsctl.c:438 nfsctl_transaction_write+0x106/0x1a0 fs/nfsd/nfsctl.c:114 vfs_write+0x2aa/0x1050 fs/read_write.c:685 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27efb9e159 RSP: 002b:00007f27ef1fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f27efe25fa0 RCX: 00007f27efb9e159 RDX: 0000000000000002 RSI: 0000200000000100 RDI: 0000000000000005 RBP: 00007f27efc35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f27efe26038 R14: 00007f27efe25fa0 R15: 00007ffc1ee00908 Showing all locks held in the system: locks held by pr/ttyS0/16: 2, last CPU#0: #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline] #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:439 [inline] #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x49/0x60 kernel/printk/printk.c:291 #1: ffffffff9bc63c78 (&port_lock_key){-.-.}-{3:3}, at: __uart_port_lock_irqsave include/linux/serial_core.h:613 [inline] #1: ffffffff9bc63c78 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x64/0xc0 drivers/tty/serial/8250/8250_core.c:413 locks held by khungtaskd/32: 1, last CPU#1: #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6837 locks held by getty/5358: 2, on CPU#0: #0: ffff88801d3180a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900032262e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14e0 drivers/tty/n_tty.c:2211 locks held by syz.4.22/6082: 3, on CPU#0: #0: ffff8880361de9b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807aa18460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.5.23/6451: 3, on CPU#1: #0: ffff88802ae757b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807e4c0460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.5.23/6454: 3, on CPU#1: #0: ffff88807b5f9b30 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807e4c0460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.5.23/6459: 3, on CPU#0: #0: ffff888075885970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807e4c0460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.6.24/6640: 3, on CPU#0: #0: ffff8880796ebcf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807c592460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.6.24/6641: 3, on CPU#1: #0: ffff8880796e3970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807c592460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.6.24/6642: 3, on CPU#1: #0: ffff8880796e30b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88807c592460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.7.25/6687: 3, on CPU#0: #0: ffff88807cd0f970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888032468460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.7.25/6688: 3, on CPU#0: #0: ffff88807cd0e470 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888032468460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.7.25/6689: 3, on CPU#1: #0: ffff8880796e49b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888032468460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.8.26/6740: 3, on CPU#0: #0: ffff8880796e5270 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802d02c460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.8.26/6741: 3, on CPU#1: #0: ffff8880796e3eb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802d02c460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.8.26/6742: 3, on CPU#1: #0: ffff8880796e37b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802d02c460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.9.27/6789: 3, on CPU#0: #0: ffff888032c9beb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802a612460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.9.27/6790: 3, on CPU#0: #0: ffff88806ff79eb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802a612460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.9.27/6791: 3, on CPU#0: #0: ffff888032c9bcf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88802a612460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.0.28/6871: 3, on CPU#0: #0: ffff888075b4b430 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888079320460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.0.28/6877: 3, on CPU#0: #0: ffff88807efa0ef0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888079320460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.0.28/6881: 3, on CPU#1: #0: ffff88807c963cf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888079320460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.1.29/7092: 3, on CPU#1: #0: ffff88807911e470 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888035294460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.1.29/7094: 3, on CPU#1: #0: ffff888079802ef0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888035294460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.1.29/7097: 3, on CPU#0: #0: ffff88803384bb30 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff888035294460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 locks held by syz.2.30/7306: 3, on CPU#0: #0: ffff8880759ebb30 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88805b406460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x9d/0xba0 fs/nfsd/nfsctl.c:708 locks held by syz.2.30/7310: 3, on CPU#0: #0: ffff88802ae75cf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88805b406460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xa5/0xcc0 fs/nfsd/nfsctl.c:867 locks held by syz.2.30/7314: 3, on CPU#1: #0: ffff88807cd0dcf0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380 fs/file.c:1259 #1: ffff88805b406460 (sb_writers#13){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600 fs/nfsd/nfsctl.c:436 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x21f/0x2a0 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x141/0x190 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xcb1/0x1030 kernel/hung_task.c:561 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 16 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:410 Code: 07 5c fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 48 1a cf fc eb a2 e8 d1 1a RSP: 0018:ffffc90000157958 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff85afe8d0 RDI: ffffffff9bc63ca0 RBP: ffffffff9bc63c60 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 205d323354202020 R12: 0000000000000000 R13: 0000000000000020 R14: fffffbfff378c7e9 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888123b61000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cc51dfbfe0 CR3: 000000000eb96000 CR4: 00000000003526f0 Call Trace: serial_in drivers/tty/serial/8250/8250.h:128 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:150 [inline] wait_for_lsr+0x13a/0x210 drivers/tty/serial/8250/8250_port.c:2013 serial8250_fifo_wait_for_lsr_thre+0x5f/0xd0 drivers/tty/serial/8250/8250_port.c:3270 __serial8250_console_fifo_write+0xa5/0x290 drivers/tty/serial/8250/8250_port.c:3345 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3378 [inline] __serial8250_console_write drivers/tty/serial/8250/8250_port.c:3429 [inline] serial8250_console_write+0xf46/0x1330 drivers/tty/serial/8250/8250_port.c:3493 nbcon_emit_next_record+0x8f7/0xa70 kernel/printk/nbcon.c:1070 nbcon_emit_one+0x1a8/0x2b0 kernel/printk/nbcon.c:1157 nbcon_kthread_func+0x613/0x7d0 kernel/printk/nbcon.c:1271 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245