Extracting prog: 38m12.768525932s
Minimizing prog: 26m2.984989099s
Simplifying prog options: 0s
Extracting C: 32.289592791s
Simplifying C: 6m41.949454032s


extracting reproducer from 45 programs
testing a last program of every proc
single: executing 10 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-bind$netlink-socket$nl_route-socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
bind$netlink(r0, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r3, &(0x7f00000002c0)={0x11, 0x0, <r4=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x7)
sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="480000001000050700000086d7c0d6c878f064eb", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {0x0, 0x8}, {0xfff1, 0xffff}, {0x6}}, [@qdisc_kind_options=@q_clsact={0xb}]}, 0x30}}, 0x4000800)
sendmsg$nl_route_sched(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000300)=@delchain={0x24, 0x64, 0xf31, 0xfffffffb, 0x25dfdbfc, {0x0, 0x0, 0x0, r4, {0x0, 0x9}, {0xfff3, 0xffff}, {0xfff2, 0x1b}}}, 0x24}, 0x1, 0xfffffffffffffffd, 0x0, 0x4010}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000480)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e23}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x11, 0x98}, [@ldst={0x6}], {0x95, 0x0, 0x74}}, &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-mkdir-openat$cgroup_root-openat$cgroup_subtree-rmdir-sendfile-syz_mount_image$hfsplus-syz_mount_image$exfat
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x1c, 0x5a, 0x1, 0x0, 0x0, {0x1c}, [@typed={0x8, 0x5, 0x0, 0x0, @pid}]}, 0x1c}}, 0x0)
mkdir(&(0x7f0000000000)='./cgroup/../file0\x00', 0x11e)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_subtree(r1, &(0x7f0000000200), 0x2, 0x0)
rmdir(&(0x7f00000001c0)='./cgroup/../file0\x00')
sendfile(r2, r2, 0x0, 0x8)
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000640)='./file1\x00', 0x1018000, &(0x7f0000000c80)=ANY=[], 0x1, 0x5e7, &(0x7f0000000680)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x0, 0x0, 0x1, 0x0, &(0x7f0000001a00))

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_QUERY-socket-gettid-getsockopt$sock_int-timer_create-mmap-timer_settime-mmap$IORING_OFF_SQ_RING-mount$fuse-setsockopt$IP_VS_SO_SET_ZERO
detailed listing:
executing program 0:
bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000140)={@cgroup, 0x7, 0x0, 0x8000007, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40)
r0 = socket(0x1, 0x2, 0x0)
r1 = gettid()
getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1e, 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000000140))
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x200091, 0x0)
setsockopt$IP_VS_SO_SET_ZERO(r0, 0x0, 0x48f, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty1-socket$phonet_pipe-socket$inet_mptcp-openat$binderfs-openat$sequencer-syz_open_dev$sndmidi-writev-socket$nl_netfilter-pselect6
detailed listing:
executing program 0:
syz_open_dev$tty1(0xc, 0x4, 0x1)
socket$phonet_pipe(0x23, 0x5, 0x2)
socket$inet_mptcp(0x2, 0x1, 0x106)
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)}, {0x0}], 0x2)
socket$nl_netfilter(0x10, 0x3, 0xc)
pselect6(0x40, &(0x7f0000000080)={0x5, 0x3, 0x248, 0x5d92, 0x9, 0x1ce, 0x7fff, 0x2}, 0x0, &(0x7f0000000140)={0x3ff, 0x80, 0x5, 0x0, 0x101, 0xafc2, 0x5, 0x1}, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty1-socket$phonet_pipe-socket$inet_mptcp-openat$binderfs-openat$sequencer-syz_open_dev$sndmidi-writev-socket$nl_netfilter-pselect6
detailed listing:
executing program 0:
syz_open_dev$tty1(0xc, 0x4, 0x1)
socket$phonet_pipe(0x23, 0x5, 0x2)
socket$inet_mptcp(0x2, 0x1, 0x106)
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)}, {0x0}], 0x2)
socket$nl_netfilter(0x10, 0x3, 0xc)
pselect6(0x40, &(0x7f0000000080)={0x5, 0x3, 0x248, 0x5d92, 0x9, 0x1ce, 0x7fff, 0x2}, 0x0, &(0x7f0000000140)={0x3ff, 0x80, 0x5, 0x0, 0x101, 0xafc2, 0x5, 0x1}, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mount-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/threads\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='1\n\x00', 0x2)

program crashed: WARNING in svc_destroy
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mount-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/threads\x00', 0x1, 0x0)

program crashed: WARNING in svc_destroy
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)
close(r0)

program crashed: WARNING in svc_destroy
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program crashed: WARNING in svc_destroy
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mount-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mount-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program crashed: WARNING in svc_destroy
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program crashed: WARNING in svc_destroy
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m51.225390972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: WARNING in svc_destroy
simplifying C reproducer
testing compiled C program (duration=1m51.225390972s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: WARNING in svc_destroy
testing compiled C program (duration=1m51.225390972s, {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: WARNING in svc_destroy
testing compiled C program (duration=1m51.225390972s, {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: WARNING in svc_destroy
testing compiled C program (duration=1m51.225390972s, {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: WARNING in svc_destroy
testing compiled C program (duration=1m51.225390972s, {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=1m51.225390972s, {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: WARNING in svc_destroy
testing compiled C program (duration=1m51.225390972s, {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: WARNING in svc_destroy
testing program (duration=1m51.225390972s, {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, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program crashed: WARNING in svc_destroy
validation run: crashed=true
testing program (duration=1m51.225390972s, {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, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program crashed: WARNING in svc_destroy
validation run: crashed=true
testing program (duration=1m51.225390972s, {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, &(0x7f0000000040)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n\x00', 0x9)

program crashed: WARNING in svc_destroy
validation run: crashed=true
reproducing took 1h16m1.889329705s
repro crashed as (corrupted=false):
------------[ cut here ]------------
SVC: permsocks remain for nfsd
WARNING: CPU: 0 PID: 5936 at net/sunrpc/svc.c:645 svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:644
Modules linked in:
CPU: 0 PID: 5936 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+0x2ed/0x390 net/sunrpc/svc.c:644
Code: 24 49 83 c7 20 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 f2 d1 31 f8 49 8b 37 48 c7 c7 e0 87 d9 8b e8 c3 09 a3 f7 <0f> 0b e9 78 fd ff ff e8 b7 45 d9 f7 c6 05 73 72 c8 04 01 4c 89 e0
RSP: 0018:ffffc90003377ae0 EFLAGS: 00010246
RAX: 43aad4e45845ff00 RBX: ffff888073fe0050 RCX: ffff88802d659e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90003377cb8 R08: ffffc900033776e7 R09: 1ffff9200066eedc
R10: dffffc0000000000 R11: fffff5200066eedd R12: ffff888073fe0000
R13: dffffc0000000000 R14: ffff888073fe0050 R15: ffffffff8d3e1e40
FS:  000055556c036500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4de755da08 CR3: 0000000072a32000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:124 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:765 [inline]
 __write_ports fs/nfsd/nfsctl.c:791 [inline]
 write_ports+0xb99/0xfa0 fs/nfsd/nfsctl.c:844
 nfsctl_transaction_write+0x10c/0x150 fs/nfsd/nfsctl.c:113
 vfs_write+0x299/0x9a0 fs/read_write.c:582
 ksys_write+0x151/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4de679e159
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:00007ffef8c70ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4de6a25fa0 RCX: 00007f4de679e159
RDX: 0000000000000009 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f4de683506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4de6a25fac R14: 00007f4de6a25fa0 R15: 00007f4de6a25fa0
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
SVC: permsocks remain for nfsd
WARNING: CPU: 0 PID: 5936 at net/sunrpc/svc.c:645 svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:644
Modules linked in:
CPU: 0 PID: 5936 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+0x2ed/0x390 net/sunrpc/svc.c:644
Code: 24 49 83 c7 20 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 f2 d1 31 f8 49 8b 37 48 c7 c7 e0 87 d9 8b e8 c3 09 a3 f7 <0f> 0b e9 78 fd ff ff e8 b7 45 d9 f7 c6 05 73 72 c8 04 01 4c 89 e0
RSP: 0018:ffffc90003377ae0 EFLAGS: 00010246
RAX: 43aad4e45845ff00 RBX: ffff888073fe0050 RCX: ffff88802d659e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90003377cb8 R08: ffffc900033776e7 R09: 1ffff9200066eedc
R10: dffffc0000000000 R11: fffff5200066eedd R12: ffff888073fe0000
R13: dffffc0000000000 R14: ffff888073fe0050 R15: ffffffff8d3e1e40
FS:  000055556c036500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4de755da08 CR3: 0000000072a32000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:124 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:765 [inline]
 __write_ports fs/nfsd/nfsctl.c:791 [inline]
 write_ports+0xb99/0xfa0 fs/nfsd/nfsctl.c:844
 nfsctl_transaction_write+0x10c/0x150 fs/nfsd/nfsctl.c:113
 vfs_write+0x299/0x9a0 fs/read_write.c:582
 ksys_write+0x151/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4de679e159
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:00007ffef8c70ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4de6a25fa0 RCX: 00007f4de679e159
RDX: 0000000000000009 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f4de683506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4de6a25fac R14: 00007f4de6a25fa0 R15: 00007f4de6a25fa0
 </TASK>