Extracting prog: 28m48.549146568s
Minimizing prog: 12m59.124628119s
Simplifying prog options: 0s
Extracting C: 24.101762414s
Simplifying C: 7m51.084958235s


extracting reproducer from 13 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {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-syz_usb_ep_read-syz_usb_ep_write-syz_usb_ep_write-syz_usb_ep_read-syz_usb_disconnect
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000001300)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050204e5"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000200)=""/512)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000100)="900100"/64)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000400)=""/512)
syz_usb_disconnect(r0)

program did not crash
testing program (duration=30s, {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-close-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='./file0\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='thunderbolt\n\x00', 0xc)
close(r1)
r2 = openat(r0, &(0x7f0000000300)='bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000400)='0000:00:1f.3\n\x00', 0xd)
close(r2)

program did not crash
testing program (duration=30s, {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_emit_vhci-syz_init_net_socket$bt_hci-bind$bt_hci-sendto-sendto-sendto-nanosleep
detailed listing:
executing program 0:
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0c010310000000000040000000"], 0xf)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
bind$bt_hci(r0, &(0x7f0000000040)={0x1f, 0xffff, 0x3}, 0x6)
sendto(r0, &(0x7f0000000080)="0d000000010001", 0x7, 0x0, 0x0, 0x0)
sendto(r0, &(0x7f00000000c0)="05000000010001", 0x7, 0x0, 0x0, 0x0)
sendto(r0, &(0x7f0000000100)="3e0000000b000101000000000000000000", 0x11, 0x0, 0x0, 0x0)
nanosleep(&(0x7f0000000140)={0x0, 0x1dcd6500}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_mptcp-bind$inet-listen-syz_emit_ethernet-syz_extract_tcp_res-syz_emit_ethernet-accept4$inet
detailed listing:
executing program 0:
r0 = socket$inet_mptcp(0x2, 0x1, 0x106)
bind$inet(r0, &(0x7f0000001000)={0x2, 0x4e22, @empty}, 0x10)
listen(r0, 0x5)
syz_emit_ethernet(0x36, &(0x7f0000002000)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x6, 0x0, @remote, @local}, {{0x1, 0x4e22, 0x42424242, 0x42424242, 0x0, 0x0, 0x5, 0x2}}}}}}, 0x0)
syz_extract_tcp_res(&(0x7f0000003000)={<r1=>0x41424344, <r2=>0x41424344}, 0x1, 0x0)
syz_emit_ethernet(0x38, &(0x7f0000004000)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2a, 0x0, 0x0, 0x0, 0x6, 0x0, @remote, @local}, {{0x1, 0x4e22, r2, r1, 0x0, 0x0, 0x5, 0x10}, {"0c10"}}}}}}, 0x0)
accept4$inet(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=30s, {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}}): fsopen-fsconfig$FSCONFIG_SET_STRING-fsconfig$FSCONFIG_CMD_CREATE
detailed listing:
executing program 0:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)

program did not crash
single: failed to extract reproducer
bisect: bisecting 13 programs with base timeout 30s
testing program (duration=33s, {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}}): [1, 2, 3, 1, 8, 7, 7, 2, 7, 6, 8, 9, 6]
detailed listing:
executing program 3:
fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
executing program 3:
r0 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000100)={0x6, 0x10, &(0x7f0000000200)=ANY=[@ANYBLOB="b7010000000000007b1af8ff000000007b1af0ff000000007b1ae8ff000000007b1ae0ff000000007b1ad8ff00000000b701000050000000731af8ff00000000bfa100000000000007010000d8ffffffbfa200000000000007020000ecffffffb70300001400000085000000cc000000b7000000020000009500000000000000"], &(0x7f0000000300)='GPL\x00'}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x0, 0x20, 0x0, &(0x7f0000000500)='\x00'/32, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x42, 0x1ff)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)
executing program 1:
r0 = socket(0xa, 0x3, 0x3a)
r1 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$MRT6_INIT(r0, 0x29, 0xc8, &(0x7f0000000000), 0x4)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syz_tun\x00', <r2=>0x0})
setsockopt$MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f00000000c0)={0x0, 0x0, 0x1, r2}, 0xc)
setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000300), 0x5c)
syz_emit_ethernet(0x36, &(0x7f0000000200)=ANY=[@ANYBLOB="33330000000100112233445586dd6000000000003b4020010db8000000000000000000000001ff0e0000000000000000000000000001"], 0x0)
executing program 1:
r0 = socket$inet_mptcp(0x2, 0x1, 0x106)
bind$inet(r0, &(0x7f0000001000)={0x2, 0x4e22, @empty}, 0x10)
listen(r0, 0x5)
syz_emit_ethernet(0x36, &(0x7f0000002000)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x6, 0x0, @remote, @local}, {{0x1, 0x4e22, 0x42424242, 0x42424242, 0x0, 0x0, 0x5, 0x2}}}}}}, 0x0)
syz_extract_tcp_res(&(0x7f0000003000)={<r1=>0x41424344, <r2=>0x41424344}, 0x1, 0x0)
syz_emit_ethernet(0x38, &(0x7f0000004000)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2a, 0x0, 0x0, 0x0, 0x6, 0x0, @remote, @local}, {{0x1, 0x4e22, r2, r1, 0x0, 0x0, 0x5, 0x10}, {"0c10"}}}}}}, 0x0)
accept4$inet(r0, 0x0, 0x0, 0x800)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mproc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./mproc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
executing program 0:
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0c010310000000000040000000"], 0xf)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
bind$bt_hci(r0, &(0x7f0000000040)={0x1f, 0xffff, 0x3}, 0x6)
sendto(r0, &(0x7f0000000080)="0d000000010001", 0x7, 0x0, 0x0, 0x0)
sendto(r0, &(0x7f00000000c0)="05000000010001", 0x7, 0x0, 0x0, 0x0)
sendto(r0, &(0x7f0000000100)="3e0000000b000101000000000000000000", 0x11, 0x0, 0x0, 0x0)
nanosleep(&(0x7f0000000140)={0x0, 0x1dcd6500}, 0x0)
executing program 4:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x82c03, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000380)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=@newqdisc={0x2c, 0x24, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0x1}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_qfg={0x8}]}, 0x2c}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000001300)={0x0, 0x0, &(0x7f0000000090)={&(0x7f0000000300)=@newtclass={0x40, 0x28, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {0x1, 0x1}, {0x0, 0x1}}, [@tclass_kind_options=@c_qfq={{0x8}, {0x14, 0x2, [@TCA_QFQ_WEIGHT={0x8, 0x1, 0x1}, @TCA_QFQ_LMAX={0x8, 0x2, 0x5dc}]}}]}, 0x40}}, 0x0)
executing program 2:
umount2(&(0x7f0000000000)='./proc/sys/fs/binfmt_misc\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./binfmt\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./binfmt\x00', &(0x7f0000000200)='binfmt_misc\x00', 0x0, 0x0)
umount2(&(0x7f0000000100)='./binfmt\x00', 0x2)
r0 = fsopen(&(0x7f0000000200)='binfmt_misc\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
close(r0)
nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='./file0\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='thunderbolt\n\x00', 0xc)
close(r1)
r2 = openat(r0, &(0x7f0000000300)='bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000400)='0000:00:1f.3\n\x00', 0xd)
close(r2)
executing program 4:
r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000001300)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050204e5"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000200)=""/512)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000100)="900100"/64)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000400)=""/512)
syz_usb_disconnect(r0)

program crashed: kernel BUG in svc_destroy
bisect: bisecting 13 programs
bisect: split chunks (needed=false): <13>
bisect: split chunk #0 of len 13 into 3 parts
bisect: testing without sub-chunk 1/3
testing program (duration=32s, {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}}): [7, 7, 2, 7, 6, 8, 9, 6]
detailed listing:
executing program 1:
r0 = socket(0xa, 0x3, 0x3a)
r1 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$MRT6_INIT(r0, 0x29, 0xc8, &(0x7f0000000000), 0x4)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syz_tun\x00', <r2=>0x0})
setsockopt$MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f00000000c0)={0x0, 0x0, 0x1, r2}, 0xc)
setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000300), 0x5c)
syz_emit_ethernet(0x36, &(0x7f0000000200)=ANY=[@ANYBLOB="33330000000100112233445586dd6000000000003b4020010db8000000000000000000000001ff0e0000000000000000000000000001"], 0x0)
executing program 1:
r0 = socket$inet_mptcp(0x2, 0x1, 0x106)
bind$inet(r0, &(0x7f0000001000)={0x2, 0x4e22, @empty}, 0x10)
listen(r0, 0x5)
syz_emit_ethernet(0x36, &(0x7f0000002000)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x6, 0x0, @remote, @local}, {{0x1, 0x4e22, 0x42424242, 0x42424242, 0x0, 0x0, 0x5, 0x2}}}}}}, 0x0)
syz_extract_tcp_res(&(0x7f0000003000)={<r1=>0x41424344, <r2=>0x41424344}, 0x1, 0x0)
syz_emit_ethernet(0x38, &(0x7f0000004000)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2a, 0x0, 0x0, 0x0, 0x6, 0x0, @remote, @local}, {{0x1, 0x4e22, r2, r1, 0x0, 0x0, 0x5, 0x10}, {"0c10"}}}}}}, 0x0)
accept4$inet(r0, 0x0, 0x0, 0x800)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mproc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./mproc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
executing program 0:
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0c010310000000000040000000"], 0xf)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
bind$bt_hci(r0, &(0x7f0000000040)={0x1f, 0xffff, 0x3}, 0x6)
sendto(r0, &(0x7f0000000080)="0d000000010001", 0x7, 0x0, 0x0, 0x0)
sendto(r0, &(0x7f00000000c0)="05000000010001", 0x7, 0x0, 0x0, 0x0)
sendto(r0, &(0x7f0000000100)="3e0000000b000101000000000000000000", 0x11, 0x0, 0x0, 0x0)
nanosleep(&(0x7f0000000140)={0x0, 0x1dcd6500}, 0x0)
executing program 4:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x82c03, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000380)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=@newqdisc={0x2c, 0x24, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0x1}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_qfg={0x8}]}, 0x2c}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000001300)={0x0, 0x0, &(0x7f0000000090)={&(0x7f0000000300)=@newtclass={0x40, 0x28, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {0x1, 0x1}, {0x0, 0x1}}, [@tclass_kind_options=@c_qfq={{0x8}, {0x14, 0x2, [@TCA_QFQ_WEIGHT={0x8, 0x1, 0x1}, @TCA_QFQ_LMAX={0x8, 0x2, 0x5dc}]}}]}, 0x40}}, 0x0)
executing program 2:
umount2(&(0x7f0000000000)='./proc/sys/fs/binfmt_misc\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./binfmt\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./binfmt\x00', &(0x7f0000000200)='binfmt_misc\x00', 0x0, 0x0)
umount2(&(0x7f0000000100)='./binfmt\x00', 0x2)
r0 = fsopen(&(0x7f0000000200)='binfmt_misc\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
close(r0)
nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='./file0\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='thunderbolt\n\x00', 0xc)
close(r1)
r2 = openat(r0, &(0x7f0000000300)='bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000400)='0000:00:1f.3\n\x00', 0xd)
close(r2)
executing program 4:
r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000001300)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050204e5"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000200)=""/512)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000100)="900100"/64)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000400)=""/512)
syz_usb_disconnect(r0)

program did not crash
bisect: testing without sub-chunk 2/3
testing program (duration=32s, {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}}): [1, 2, 3, 1, 8, 8, 9, 6]
detailed listing:
executing program 3:
fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
executing program 3:
r0 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000100)={0x6, 0x10, &(0x7f0000000200)=ANY=[@ANYBLOB="b7010000000000007b1af8ff000000007b1af0ff000000007b1ae8ff000000007b1ae0ff000000007b1ad8ff00000000b701000050000000731af8ff00000000bfa100000000000007010000d8ffffffbfa200000000000007020000ecffffffb70300001400000085000000cc000000b7000000020000009500000000000000"], &(0x7f0000000300)='GPL\x00'}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x0, 0x20, 0x0, &(0x7f0000000500)='\x00'/32, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x42, 0x1ff)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)
executing program 2:
umount2(&(0x7f0000000000)='./proc/sys/fs/binfmt_misc\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./binfmt\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./binfmt\x00', &(0x7f0000000200)='binfmt_misc\x00', 0x0, 0x0)
umount2(&(0x7f0000000100)='./binfmt\x00', 0x2)
r0 = fsopen(&(0x7f0000000200)='binfmt_misc\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
close(r0)
nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='./file0\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='thunderbolt\n\x00', 0xc)
close(r1)
r2 = openat(r0, &(0x7f0000000300)='bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000400)='0000:00:1f.3\n\x00', 0xd)
close(r2)
executing program 4:
r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000001300)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050204e5"], 0x0)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000200)=""/512)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000100)="900100"/64)
syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64)
syz_usb_ep_read(r0, 0x1, 0x200, &(0x7f0000000400)=""/512)
syz_usb_disconnect(r0)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 3/3
testing program (duration=31s, {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}}): [1, 2, 3, 1, 8]
detailed listing:
executing program 3:
fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
executing program 3:
r0 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000100)={0x6, 0x10, &(0x7f0000000200)=ANY=[@ANYBLOB="b7010000000000007b1af8ff000000007b1af0ff000000007b1ae8ff000000007b1ae0ff000000007b1ad8ff00000000b701000050000000731af8ff00000000bfa100000000000007010000d8ffffffbfa200000000000007020000ecffffffb70300001400000085000000cc000000b7000000020000009500000000000000"], &(0x7f0000000300)='GPL\x00'}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x0, 0x20, 0x0, &(0x7f0000000500)='\x00'/32, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x42, 0x1ff)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <5>
bisect: split chunk #0 of len 5 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=30s, {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}}): [1, 8]
detailed listing:
executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x42, 0x1ff)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program did not crash
bisect: testing without sub-chunk 2/2
testing program (duration=30s, {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}}): [1, 2, 3]
detailed listing:
executing program 3:
fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
executing program 3:
r0 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000100)={0x6, 0x10, &(0x7f0000000200)=ANY=[@ANYBLOB="b7010000000000007b1af8ff000000007b1af0ff000000007b1ae8ff000000007b1ae0ff000000007b1ad8ff00000000b701000050000000731af8ff00000000bfa100000000000007010000d8ffffffbfa200000000000007020000ecffffffb70300001400000085000000cc000000b7000000020000009500000000000000"], &(0x7f0000000300)='GPL\x00'}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x0, 0x20, 0x0, &(0x7f0000000500)='\x00'/32, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)

program did not crash
bisect: split chunks (needed=true): <3>, <2>
bisect: split chunk #0 of len 3 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=30s, {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}}): [3, 1, 8]
detailed listing:
executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x42, 0x1ff)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunk #1 of len 2 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=30s, {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}}): [3, 8]
detailed listing:
executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunks (needed=true): <1>, <1>
bisect: split chunk #0 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: split chunk #1 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: 2 programs left: 

executing program 3:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)


bisect: trying to concatenate
bisect: concatenate 2 entries
minimizing program #0 before concatenation
testing program (duration=45s, {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}}): [2, 8]
detailed listing:
executing program 0:
r0 = fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='127.0.0.1:0:/\x00', 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [1, 8]
detailed listing:
executing program 0:
fsopen(&(0x7f0000000000)='ceph\x00', 0x1)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 8]
detailed listing:
executing program 0:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)
close(r1)

program crashed: kernel BUG in svc_destroy
minimized 3 calls -> 0 calls
minimizing program #1 before concatenation
testing program (duration=45s, {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}}): [0, 7]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 6]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)

program did not crash
testing program (duration=45s, {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}}): [0, 6]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
close(r0)
write(0xffffffffffffffff, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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}}): [0, 6]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='-2 -3 +4\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 5]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/versions\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 4]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 3]
detailed listing:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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}}): [0, 3]
detailed listing:
executing program 3:
executing program 0:
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
minimized 8 calls -> 4 calls
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
bisect: concatenation succeeded
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=45s, {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
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)

program did not crash
testing program (duration=45s, {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-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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, &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program did not crash
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=45s, {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', &(0x7f0000000040)='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=45s, {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=45s, {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=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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 did not crash
testing compiled C program (duration=45s, {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=45s, {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=45s, {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=45s, {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=45s, {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=45s, {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=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=45s, {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', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='tcp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
reproducing took 53m40.572804867s
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: 1 PID: 4489 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
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 : ffff800021587930
x29: ffff800021587930 x28: 1fffe0001a2d9b2f x27: ffff0000ce7d3800
x26: dfff800000000000 x25: ffff7000042b0f2c x24: ffff800021587960
x23: ffff0000dbbb2280 x22: dfff800000000000 x21: 0000000000000001
x20: ffff0000da561c68 x19: ffff0000da561c50 x18: 1fffe00033e6db7e
x17: ffff8000153bd000 x16: ffff8000082dd284 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe00033e6dcf0 x12: 0000000000000000
x11: ff00800010f2e424 x10: 0000000000000000 x9 : ffff800010f2e424
x8 : ffff0000ce7d3800 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: 1 PID: 4489 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
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 : ffff800021587930
x29: ffff800021587930 x28: 1fffe0001a2d9b2f x27: ffff0000ce7d3800
x26: dfff800000000000 x25: ffff7000042b0f2c x24: ffff800021587960
x23: ffff0000dbbb2280 x22: dfff800000000000 x21: 0000000000000001
x20: ffff0000da561c68 x19: ffff0000da561c50 x18: 1fffe00033e6db7e
x17: ffff8000153bd000 x16: ffff8000082dd284 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe00033e6dcf0 x12: 0000000000000000
x11: ff00800010f2e424 x10: 0000000000000000 x9 : ffff800010f2e424
x8 : ffff0000ce7d3800 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 ]---