Extracting prog: 15m23.524547368s
Minimizing prog: 1h34m46.371645436s
Simplifying prog options: 0s
Extracting C: 36.372943638s
Simplifying C: 14m39.922434701s


extracting reproducer from 71 programs
testing a last program of every proc
single: executing 22 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}}): mkdirat-mount-mkdirat-mount-mkdirat-openat-write-close-openat-write-close-mkdirat-openat-write-mkdirat-openat-write-close-openat-write-close-mkdirat-openat-write-close-symlinkat-openat$nvme_fabrics-close-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb0/zoned\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb0/power\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='1', 0x1)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r2, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/namespaces/1\x00', 0x1ff)
r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testsubsys/namespaces/1/device_path\x00', 0x1, 0x0)
write(r3, &(0x7f0000000540)='/dev/nullb0\n', 0xc)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./config/nvmet/subsystems/testsubsys/namespaces/1/enable\x00', 0x1, 0x0)
write(r4, &(0x7f0000000600)='1', 0x1)
close(r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/nvmet/ports/1\x00', 0x1ff)
r5 = openat(0xffffffffffffff9c, &(0x7f00000006c0)='./config/nvmet/ports/1/addr_trtype\x00', 0x1, 0x0)
write(r5, &(0x7f0000000740)='loop\n', 0x5)
close(r5)
symlinkat(&(0x7f0000000780)='./config/nvmet/subsystems/testsubsys\x00', 0xffffffffffffff9c, &(0x7f0000000800)='./config/nvmet/ports/1/subsystems/testsubsys\x00')
r6 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000880), 0x2, 0x0)
close(r6)
ioctl(0xffffffffffffffff, 0xc0101282, &(0x7f0000000a00)='\x00'/48)

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-syz_open_dev$mtd-ioctl$MEMERASE
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='/dev/ram0,131072\x00', 0x11)
r1 = syz_open_dev$mtd(&(0x7f0000000100), 0x1, 0x2)
ioctl$MEMERASE(r1, 0x40084d02, &(0x7f0000000140)={0x0, 0x400000})

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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write-openat-write-mount-openat-flock-fcntl$lock
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd/threads\x00', 0x2, 0x0)
write(r4, &(0x7f0000000380)='1\n', 0x2)
mount(&(0x7f00000003c0), &(0x7f0000000080)='./mnt\x00', &(0x7f0000000400)='nfs4\x00', 0x0, &(0x7f0000000440)='addr=127.0.0.1,port=2049,vers=4.0,clientaddr=127.0.0.1\x00')
r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./mnt/etc/passwd\x00', 0x0, 0x0)
flock(r5, 0x2)
fcntl$lock(r5, 0x6, &(0x7f00000004c0)={0x1, 0x0, 0x0, 0x10})

program crashed: kernel BUG in svc_destroy
single: successfully extracted reproducer
found reproducer with 19 syscalls
minimizing guilty program
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write-openat-write-mount-openat-flock
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd/threads\x00', 0x2, 0x0)
write(r4, &(0x7f0000000380)='1\n', 0x2)
mount(&(0x7f00000003c0), &(0x7f0000000080)='./mnt\x00', &(0x7f0000000400)='nfs4\x00', 0x0, &(0x7f0000000440)='addr=127.0.0.1,port=2049,vers=4.0,clientaddr=127.0.0.1\x00')
r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./mnt/etc/passwd\x00', 0x0, 0x0)
flock(r5, 0x2)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write-openat-write-mount-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd/threads\x00', 0x2, 0x0)
write(r4, &(0x7f0000000380)='1\n', 0x2)
mount(&(0x7f00000003c0), &(0x7f0000000080)='./mnt\x00', &(0x7f0000000400)='nfs4\x00', 0x0, &(0x7f0000000440)='addr=127.0.0.1,port=2049,vers=4.0,clientaddr=127.0.0.1\x00')
openat(0xffffffffffffff9c, &(0x7f0000000480)='./mnt/etc/passwd\x00', 0x0, 0x0)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write-openat-write-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd/threads\x00', 0x2, 0x0)
write(r4, &(0x7f0000000380)='1\n', 0x2)
mount(&(0x7f00000003c0), &(0x7f0000000080)='./mnt\x00', &(0x7f0000000400)='nfs4\x00', 0x0, &(0x7f0000000440)='addr=127.0.0.1,port=2049,vers=4.0,clientaddr=127.0.0.1\x00')

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd/threads\x00', 0x2, 0x0)
write(r4, &(0x7f0000000380)='1\n', 0x2)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)
openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd/threads\x00', 0x2, 0x0)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='localhost / 2147483647 74753 0 0 0\n', 0x23)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)
openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='localhost 1 \\x00000000 2147483647 /\n', 0x24)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.fh/channel\x00', 0x2, 0x0)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)

program did not crash
testing program (duration=5m57.178733404s, {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-mkdirat-mount-mount-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {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-mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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-mkdirat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=5m57.178733404s, {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(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {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(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {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, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=5m57.178733404s, {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=5m57.178733404s, {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=5m57.178733404s, {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=5m57.178733404s, {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=5m57.178733404s, {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=5m57.178733404s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=5m57.178733404s, {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=5m57.178733404s, {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=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=5m57.178733404s, {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, &(0x7f0000000000)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
reproducing took 2h9m31.642916349s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4442 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 bf b1 62 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 3f 7b f8 e9 17 ff ff ff e8 ac fa 29 f8 <0f> 0b e8 a5 fa 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900034c7b10 EFLAGS: 00010293
RAX: ffffffff89583834 RBX: ffff888078a06c50 RCX: ffff88802e473c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900034c7cb8 R08: ffffffff90b0f32f R09: 1ffffffff2161e65
R10: dffffc0000000000 R11: fffffbfff2161e66 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888078a06c68 R15: 0000000000000001
FS:  0000555557504500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff7e555da08 CR3: 000000002f9f3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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+0xa26/0xb80 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114
 vfs_write+0x2dc/0x9a0 fs/read_write.c:582
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff7e479e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffa92479a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff7e4a25fa0 RCX: 00007ff7e479e159
RDX: 0000000000000009 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007ff7e483506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff7e4a25fac R14: 00007ff7e4a25fa0 R15: 00007ff7e4a25fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 bf b1 62 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 3f 7b f8 e9 17 ff ff ff e8 ac fa 29 f8 <0f> 0b e8 a5 fa 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900034c7b10 EFLAGS: 00010293
RAX: ffffffff89583834 RBX: ffff888078a06c50 RCX: ffff88802e473c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900034c7cb8 R08: ffffffff90b0f32f R09: 1ffffffff2161e65
R10: dffffc0000000000 R11: fffffbfff2161e66 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888078a06c68 R15: 0000000000000001
FS:  0000555557504500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff7e555da08 CR3: 000000002f9f3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4442 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 bf b1 62 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 3f 7b f8 e9 17 ff ff ff e8 ac fa 29 f8 <0f> 0b e8 a5 fa 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900034c7b10 EFLAGS: 00010293
RAX: ffffffff89583834 RBX: ffff888078a06c50 RCX: ffff88802e473c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900034c7cb8 R08: ffffffff90b0f32f R09: 1ffffffff2161e65
R10: dffffc0000000000 R11: fffffbfff2161e66 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888078a06c68 R15: 0000000000000001
FS:  0000555557504500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff7e555da08 CR3: 000000002f9f3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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+0xa26/0xb80 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114
 vfs_write+0x2dc/0x9a0 fs/read_write.c:582
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff7e479e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffa92479a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff7e4a25fa0 RCX: 00007ff7e479e159
RDX: 0000000000000009 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007ff7e483506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff7e4a25fac R14: 00007ff7e4a25fa0 R15: 00007ff7e4a25fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 bf b1 62 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 3f 7b f8 e9 17 ff ff ff e8 ac fa 29 f8 <0f> 0b e8 a5 fa 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900034c7b10 EFLAGS: 00010293
RAX: ffffffff89583834 RBX: ffff888078a06c50 RCX: ffff88802e473c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900034c7cb8 R08: ffffffff90b0f32f R09: 1ffffffff2161e65
R10: dffffc0000000000 R11: fffffbfff2161e66 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888078a06c68 R15: 0000000000000001
FS:  0000555557504500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff7e555da08 CR3: 000000002f9f3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400