Extracting prog: 49m39.9889244s
Minimizing prog: 51m46.648398105s
Simplifying prog options: 0s
Extracting C: 23.974717187s
Simplifying C: 11m25.386390272s


extracting reproducer from 67 programs
testing a last program of every proc
single: executing 17 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-mkdirat-mount-nanosleep-openat
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040da0b29010001000000010902200001010080320904000002ffffff000705010200020007058202000200"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000500)='./sys\x00', &(0x7f0000000540)='sysfs\x00', 0x0, 0x0)
nanosleep(&(0x7f0000000640)={0x0, 0x1dcd6500}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000580)='./sys/bus/usb/drivers/rtsx_usb/1-1:1.0/power/control\x00', 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}}): openat$uhid-nanosleep-write$UHID_INPUT2-write$UHID_INPUT2-nanosleep-write$UHID_INPUT2-write$UHID_INPUT2
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
nanosleep(&(0x7f0000000400)={0x0, 0x5f5e100}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, ' \x00'/22}}, 0x1c)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, "2200001600"/22}}, 0x1c)
nanosleep(&(0x7f0000000400)={0x0, 0x2faf080}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, "2200001600"/22}}, 0x1c)
write$UHID_INPUT2(r0, &(0x7f0000000300)={0xc, {0x16, "2100005000fa00000000000500"/22}}, 0x1c)

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}}): openat$uhid-write$UHID_CREATE2-nanosleep-write$UHID_INPUT2
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$UHID_CREATE2(r0, &(0x7f0000001000)={0xb, {'syz0\x00', 'syz0\x00', 'syz0\x00', 0x35, 0x5, 0x57e, 0x330, 0x0, 0x0, "0600ff0901a101150026ff007508951f852009018102852109018102852209018102851609019102851709019102851509019102c0"}}, 0x14d)
nanosleep(0x0, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x6, "220000160000"}}, 0xc)

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-close-openat-write-close-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000100)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000300)='+4\n', 0x3)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f0000000500)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)='1\n', 0x2)
close(r2)

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}}): openat$uhid-write$UHID_CREATE2-nanosleep-write$UHID_INPUT2-nanosleep-write$UHID_INPUT2-nanosleep-write$UHID_INPUT2-nanosleep-write$UHID_INPUT2-nanosleep-syz_open_dev$evdev-syz_open_dev$evdev-syz_open_dev$evdev-syz_open_dev$evdev-syz_open_dev$evdev-syz_open_dev$evdev-write$UHID_INPUT2-nanosleep-write$UHID_INPUT2
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$UHID_CREATE2(r0, &(0x7f0000001000)={0xb, {'syz0\x00', 'syz0\x00', 'syz0\x00', 0x35, 0x5, 0x57e, 0x330, 0x0, 0x0, "0600ff0901a101150026ff007508951f852009018102852109018102852209018102851609019102851709019102851509019102c0"}}, 0x14d)
nanosleep(&(0x7f0000000400)={0x0, 0x5f5e100}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, ' \x00'/22}}, 0x1c)
nanosleep(&(0x7f0000000400)={0x0, 0x2faf080}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, "2200001600"/22}}, 0x1c)
nanosleep(&(0x7f0000000400)={0x0, 0x2faf080}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, "2200001600"/22}}, 0x1c)
nanosleep(&(0x7f0000000400)={0x0, 0x2faf080}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000300)={0xc, {0x16, "2100005000fa00000000000500"/22}}, 0x1c)
nanosleep(&(0x7f0000000400)={0x0, 0x5f5e100}, 0x0)
syz_open_dev$evdev(&(0x7f0000000500), 0x0, 0x2)
syz_open_dev$evdev(&(0x7f0000000500), 0x1, 0x2)
syz_open_dev$evdev(&(0x7f0000000500), 0x2, 0x2)
syz_open_dev$evdev(&(0x7f0000000500), 0x3, 0x2)
syz_open_dev$evdev(&(0x7f0000000500), 0x4, 0x2)
syz_open_dev$evdev(&(0x7f0000000500), 0x5, 0x2)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, "2200001600"/22}}, 0x1c)
nanosleep(&(0x7f0000000400)={0x0, 0x2faf080}, 0x0)
write$UHID_INPUT2(r0, &(0x7f0000000200)={0xc, {0x16, "2200001600"/22}}, 0x1c)

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-close-openat-write-close-mkdirat-mount-openat-write-close-openat-write-close-mkdirat-mount-syz_open_procfs-read-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/threads\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='1\n', 0x2)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='proc\x00', &(0x7f0000000280)='./proc\x00', &(0x7f00000002c0)='proc\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='nfsd 127.0.0.1 2147483647 testdom\n', 0x22)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='testdom / 2147483647 106497 0 0 0\n', 0x22)
close(r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000440)=@filename='127.0.0.1:/\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0)='nfs\x00', 0x0, &(0x7f0000000500)='vers=4.0,proto=tcp,port=2049,clientaddr=127.0.0.1\x00')
r4 = syz_open_procfs(0x0, &(0x7f0000000540)='mountinfo\x00')
read(r4, &(0x7f0000000600)=""/4096, 0x1000)
close(r4)

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-close-openat-write-close-mkdirat-mount-openat-write-close-openat-write-close-mkdirat-mount-syz_open_procfs-read-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/threads\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='1\n', 0x2)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='proc\x00', &(0x7f0000000280)='./proc\x00', &(0x7f00000002c0)='proc\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='nfsd 127.0.0.1 2147483647 testdom\n', 0x22)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='testdom / 2147483647 106497 0 0 0\n', 0x22)
close(r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000440)=@filename='127.0.0.1:/\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0)='nfs\x00', 0x0, &(0x7f0000000500)='vers=4.0,proto=tcp,port=2049,clientaddr=127.0.0.1\x00')
r4 = syz_open_procfs(0x0, &(0x7f0000000540)='mountinfo\x00')
read(r4, &(0x7f0000000600)=""/4096, 0x1000)
close(r4)

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-close-openat-write-close-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='1\n\x00', 0x2)
close(r2)

program crashed: kernel BUG in svc_destroy
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=3m18.263181436s, {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-close-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='1\n\x00', 0x2)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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-close-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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-close-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)

program did not crash
testing program (duration=3m18.263181436s, {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-close-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
close(r0)
write(0xffffffffffffffff, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {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-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {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-openat-write
detailed listing:
executing program 0:
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {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(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {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(0x0, 0x0, &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {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(0x0, &(0x7f0000000080)='./nfsd\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {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(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=3m18.263181436s, {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(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=3m18.263181436s, {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(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=3m18.263181436s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
simplifying C reproducer
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program did not crash
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=3m18.263181436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f00000001c0)='tcp 2049\n\x00', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
reproducing took 1h59m19.459332597s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:605!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4506 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : svc_destroy+0x178/0x184 net/sunrpc/svc.c:605
lr : svc_destroy+0x178/0x184 net/sunrpc/svc.c:605
sp : ffff800021007930
x29: ffff800021007930 x28: 1fffe00019fe9f7f x27: ffff0000df358000
x26: dfff800000000000 x25: ffff700004200f2c x24: ffff800021007960
x23: ffff0000d4798640 x22: dfff800000000000 x21: 0000000000000001
x20: ffff0000d5e8e468 x19: ffff0000d5e8e450 x18: 1fffe00033e6997e
x17: ffff8000153bd000 x16: ffff8000082dd284 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe00033e69af0 x12: 0000000000000000
x11: ff00800010f2e424 x10: 0000000000000000 x9 : ffff800010f2e424
x8 : ffff0000df358000 x7 : ffff8000083b96c4 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 svc_destroy+0x178/0x184 net/sunrpc/svc.c:605
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:123 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:768 [inline]
 __write_ports fs/nfsd/nfsctl.c:794 [inline]
 write_ports+0x850/0x9f0 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x114/0x164 fs/nfsd/nfsctl.c:114
 vfs_write+0x2a8/0x7c8 fs/read_write.c:582
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91026260 97c31b68 17ffffc8 97c31afe (d4210000) 
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:605!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4506 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : svc_destroy+0x178/0x184 net/sunrpc/svc.c:605
lr : svc_destroy+0x178/0x184 net/sunrpc/svc.c:605
sp : ffff800021007930
x29: ffff800021007930 x28: 1fffe00019fe9f7f x27: ffff0000df358000
x26: dfff800000000000 x25: ffff700004200f2c x24: ffff800021007960
x23: ffff0000d4798640 x22: dfff800000000000 x21: 0000000000000001
x20: ffff0000d5e8e468 x19: ffff0000d5e8e450 x18: 1fffe00033e6997e
x17: ffff8000153bd000 x16: ffff8000082dd284 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe00033e69af0 x12: 0000000000000000
x11: ff00800010f2e424 x10: 0000000000000000 x9 : ffff800010f2e424
x8 : ffff0000df358000 x7 : ffff8000083b96c4 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 svc_destroy+0x178/0x184 net/sunrpc/svc.c:605
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:123 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:768 [inline]
 __write_ports fs/nfsd/nfsctl.c:794 [inline]
 write_ports+0x850/0x9f0 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x114/0x164 fs/nfsd/nfsctl.c:114
 vfs_write+0x2a8/0x7c8 fs/read_write.c:582
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91026260 97c31b68 17ffffc8 97c31afe (d4210000) 
---[ end trace 0000000000000000 ]---