Extracting prog: 28m46.01308343s
Minimizing prog: 11m45.66920783s
Simplifying prog options: 0s
Extracting C: 1m13.114403571s
Simplifying C: 6m59.216382283s


extracting reproducer from 30 programs
first checking the prog from the crash report
single: executing 1 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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

program did not crash
single: failed to extract reproducer
bisect: bisecting 30 programs with base timeout 30s
testing program (duration=37s, {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}}): [10, 4, 3, 2, 6, 4, 21, 14, 8, 6, 5, 5, 4, 12, 6, 4, 12, 20, 4, 4, 4, 10, 36, 3, 14, 14, 6, 4, 20, 16]
detailed listing:
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipe\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./pipe\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./nfsd\x00', &(0x7f0000000100)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='-2 -3 +4\n', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='tcp 2049\n', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/threads\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='1\n', 0x2)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
read(r0, &(0x7f0000000500)=""/100, 0x64)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/acpi/devices/PNP0C09:00\x00', 0x0, 0x0)
executing program 4:
r0 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x2)
ioctl$SG_IO(r0, 0x2285, &(0x7f0000000500)={0x53, 0xffffffffffffffff, 0x10, 0x20, @buffer={0x0, 0x0, 0x0}, &(0x7f0000000200)="8506200000000000000000000000e500", &(0x7f0000000300), 0x1388, 0x0, 0x0, 0x0})
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100), 0x0)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x1, 0x0)
executing program 4:
r0 = syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000080)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x10, &(0x7f0000000000)=@ready={0x0, 0x0, 0x8, 'BBBB'})
nanosleep(&(0x7f0000000300)={0x0, 0x2faf080}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f0000000100)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x100, 0x0, 0x1, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f0000000120)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x101, 0x0, 0x2, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f0000000140)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x102, 0x0, 0x3, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f0000000160)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x103, 0x0, 0x4, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f0000000180)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x104, 0x0, 0x5, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f00000001a0)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x107, 0x0, 0x6, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f00000001c0)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x108, 0x0, 0x7, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f00000001e0)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x106, 0x0, 0x8, 0x200}})
nanosleep(&(0x7f0000000300)={0x0, 0x1c9c380}, 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x12, &(0x7f0000000200)=@conn_svc_rsp={0x0, 0x0, 0xa, 'CCCC', {0x3, 0x105, 0x0, 0x9, 0x200}})
nanosleep(&(0x7f0000000300)={0x1}, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sec\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sec\x00', &(0x7f00000000c0)='securityfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sec/integrity/ima/ascii_runtime_measurements\x00', 0x0, 0x0)
read(r0, &(0x7f0000000200)=""/1024, 0x400)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sec/integrity/ima/binary_runtime_measurements\x00', 0x0, 0x0)
read(r1, &(0x7f0000000400)=""/1024, 0x400)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sec/ima/ascii_runtime_measurements\x00', 0x0, 0x0)
read(r2, &(0x7f0000000600)=""/1024, 0x400)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sec/ima/binary_runtime_measurements\x00', 0x0, 0x0)
read(r3, &(0x7f0000000800)=""/1024, 0x400)
close(r3)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/devices/0000:00:03.0/remove\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='1', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r1, &(0x7f00000000c0)='1', 0x1)
close(r1)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100), 0x0)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 1:
r0 = syz_io_uring_setup(0x10, &(0x7f0000000400)={0x0, 0x0, 0x3000}, &(0x7f0000000100)=<r1=>0x0, &(0x7f0000000000)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f0000000980)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x5}})
io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0)
close(r0)
nanosleep(&(0x7f0000000200)={0x0, 0x5f5e100}, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/pci/drivers/pcieport\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./file0\x00', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./file0\x00', 0x1, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
read(r0, &(0x7f0000000500)=""/100, 0x64)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000040)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='/dev/ram0,65536\x00', 0x10)
r1 = syz_open_dev$mtd(&(0x7f0000000180), 0x1, 0x2)
ioctl$MEMERASE(r1, 0x40084d02, &(0x7f00000001c0)={0x0, 0x400000})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0)
ioctl(r2, 0x40186f40, &(0x7f0000000240)="ffffffff0100"/24)
nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000280)='./dev/ubi0\x00', 0x2, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='foo1 bar1 0 0', 0xd)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/drivers/i915\x00', 0x10000, 0x0)
getdents64(r0, &(0x7f0000000200)=""/1024, 0x400)
executing program 3:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth1\x00'}}]}, 0x38}}, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
r1 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r1, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
listen(r1, 0x5)
r2 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r2, &(0x7f0000000340), 0x10)
connect$inet(r2, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
accept(r1, 0x0, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/vhost_net/parameters/experimental_zcopytx\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/input/input1/id/vendor\x00', 0x0, 0x0)
read(r0, 0x0, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./sys/bus/pci/devices/0000:00:1f.0\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:1f.1\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys/bus/pci/devices/0000:00:1f.2\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:1f.3\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/devices/0000:00:1f.4\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:1f.5\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/pci/devices/0000:00:1f.6\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/devices/0000:00:1f.7\x00', 0x0, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/ignore-gfp-wait\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='N\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/task-filter\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='Y\x00', 0x1)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='10000\x00', 0x5)
close(r2)
r3 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r3, &(0x7f00000002c0)='0\x00', 0x1)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./debug/failslab/probability\x00', 0x2, 0x0)
close(r4)
r5 = openat$make_it_fail(0xffffffffffffff9c, &(0x7f0000000380)='/proc/thread-self/make-it-fail\x00', 0x1, 0x0)
write(r5, &(0x7f00000003c0)='1\x00', 0x1)
close(r5)
r6 = syz_open_dev$dvb_demux(&(0x7f0000000400), 0x0, 0x2)
ioctl$DVB_DEMUX_DMX_SET_PES_FILTER(r6, 0x40146f2c, &(0x7f0000000500)={0x2, 0x0, 0x3, 0x14})
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff)
mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/drm/card2\x00', 0x0, 0x0)
executing program 0:
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r0, &(0x7f0000000100), 0x3e8)
r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000040)='/proc/asound/card1/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r1, &(0x7f0000000100), 0x3e8)
r2 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000080)='/proc/asound/card2/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r2, &(0x7f0000000100), 0x3e8)
r3 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/card3/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r3, &(0x7f0000000100), 0x3e8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./sys\x00', 0x1ff)
mount(&(0x7f0000000240), &(0x7f0000000200)='./sys\x00', &(0x7f0000000240)='sysfs\x00', 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/bus/pci/drivers/snd_hda_intel\x00', 0x0, 0x0)
getdents64(r4, &(0x7f0000000300), 0x3e8)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/sound\x00', 0x0, 0x0)
getdents64(r5, &(0x7f0000000500), 0x3e8)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='foo1 ba', 0x7)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='proc\x00', &(0x7f00000000c0)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/1/ns/net\x00', 0x0, 0x0)
setns(r0, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='sysfs\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000200)='serial8250\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000300)='alarmtimer\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000400)='i8042\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000500)='floppy.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000600)='microcode\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000700)='reg-dummy\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000800)='Fixed MDIO bus.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000900)='PNP0103:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000a00)='PNP0B00:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000b00)='QEMU0002:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000c00)='efi-framebuffer.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000d00)='vesa-framebuffer.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000e00)='simple-framebuffer.0\x00', 0x0, 0x0)

program crashed: KASAN: use-after-free Read in nfsd_svc
bisect: bisecting 30 programs
bisect: split chunks (needed=false): <29>
bisect: split chunk #0 of len 29 into 3 parts
bisect: testing without sub-chunk 1/3
testing program (duration=35s, {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}}): [5, 5, 4, 12, 6, 4, 12, 20, 4, 4, 4, 10, 36, 3, 14, 14, 6, 4, 20, 16]
detailed listing:
executing program 1:
r0 = syz_io_uring_setup(0x10, &(0x7f0000000400)={0x0, 0x0, 0x3000}, &(0x7f0000000100)=<r1=>0x0, &(0x7f0000000000)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f0000000980)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x5}})
io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0)
close(r0)
nanosleep(&(0x7f0000000200)={0x0, 0x5f5e100}, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/pci/drivers/pcieport\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./file0\x00', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./file0\x00', 0x1, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
read(r0, &(0x7f0000000500)=""/100, 0x64)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000040)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='/dev/ram0,65536\x00', 0x10)
r1 = syz_open_dev$mtd(&(0x7f0000000180), 0x1, 0x2)
ioctl$MEMERASE(r1, 0x40084d02, &(0x7f00000001c0)={0x0, 0x400000})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0)
ioctl(r2, 0x40186f40, &(0x7f0000000240)="ffffffff0100"/24)
nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000280)='./dev/ubi0\x00', 0x2, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='foo1 bar1 0 0', 0xd)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/drivers/i915\x00', 0x10000, 0x0)
getdents64(r0, &(0x7f0000000200)=""/1024, 0x400)
executing program 3:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth1\x00'}}]}, 0x38}}, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
r1 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r1, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
listen(r1, 0x5)
r2 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r2, &(0x7f0000000340), 0x10)
connect$inet(r2, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
accept(r1, 0x0, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/vhost_net/parameters/experimental_zcopytx\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/input/input1/id/vendor\x00', 0x0, 0x0)
read(r0, 0x0, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./sys/bus/pci/devices/0000:00:1f.0\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:1f.1\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys/bus/pci/devices/0000:00:1f.2\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:1f.3\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/devices/0000:00:1f.4\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:1f.5\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/pci/devices/0000:00:1f.6\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/devices/0000:00:1f.7\x00', 0x0, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/ignore-gfp-wait\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='N\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/task-filter\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='Y\x00', 0x1)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='10000\x00', 0x5)
close(r2)
r3 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r3, &(0x7f00000002c0)='0\x00', 0x1)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./debug/failslab/probability\x00', 0x2, 0x0)
close(r4)
r5 = openat$make_it_fail(0xffffffffffffff9c, &(0x7f0000000380)='/proc/thread-self/make-it-fail\x00', 0x1, 0x0)
write(r5, &(0x7f00000003c0)='1\x00', 0x1)
close(r5)
r6 = syz_open_dev$dvb_demux(&(0x7f0000000400), 0x0, 0x2)
ioctl$DVB_DEMUX_DMX_SET_PES_FILTER(r6, 0x40146f2c, &(0x7f0000000500)={0x2, 0x0, 0x3, 0x14})
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff)
mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/drm/card2\x00', 0x0, 0x0)
executing program 0:
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r0, &(0x7f0000000100), 0x3e8)
r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000040)='/proc/asound/card1/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r1, &(0x7f0000000100), 0x3e8)
r2 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000080)='/proc/asound/card2/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r2, &(0x7f0000000100), 0x3e8)
r3 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/card3/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r3, &(0x7f0000000100), 0x3e8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./sys\x00', 0x1ff)
mount(&(0x7f0000000240), &(0x7f0000000200)='./sys\x00', &(0x7f0000000240)='sysfs\x00', 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/bus/pci/drivers/snd_hda_intel\x00', 0x0, 0x0)
getdents64(r4, &(0x7f0000000300), 0x3e8)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/sound\x00', 0x0, 0x0)
getdents64(r5, &(0x7f0000000500), 0x3e8)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='foo1 ba', 0x7)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='proc\x00', &(0x7f00000000c0)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/1/ns/net\x00', 0x0, 0x0)
setns(r0, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='sysfs\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000200)='serial8250\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000300)='alarmtimer\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000400)='i8042\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000500)='floppy.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000600)='microcode\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000700)='reg-dummy\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000800)='Fixed MDIO bus.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000900)='PNP0103:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000a00)='PNP0B00:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000b00)='QEMU0002:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000c00)='efi-framebuffer.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000d00)='vesa-framebuffer.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000e00)='simple-framebuffer.0\x00', 0x0, 0x0)

program crashed: KASAN: use-after-free Read in nfsd_svc
bisect: the chunk can be dropped
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}}): [4, 10, 36, 3, 14, 14, 6, 4, 20, 16]
detailed listing:
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/input/input1/id/vendor\x00', 0x0, 0x0)
read(r0, 0x0, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./sys/bus/pci/devices/0000:00:1f.0\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:1f.1\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys/bus/pci/devices/0000:00:1f.2\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:1f.3\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/devices/0000:00:1f.4\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:1f.5\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/pci/devices/0000:00:1f.6\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/devices/0000:00:1f.7\x00', 0x0, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/ignore-gfp-wait\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='N\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/task-filter\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='Y\x00', 0x1)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='10000\x00', 0x5)
close(r2)
r3 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r3, &(0x7f00000002c0)='0\x00', 0x1)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./debug/failslab/probability\x00', 0x2, 0x0)
close(r4)
r5 = openat$make_it_fail(0xffffffffffffff9c, &(0x7f0000000380)='/proc/thread-self/make-it-fail\x00', 0x1, 0x0)
write(r5, &(0x7f00000003c0)='1\x00', 0x1)
close(r5)
r6 = syz_open_dev$dvb_demux(&(0x7f0000000400), 0x0, 0x2)
ioctl$DVB_DEMUX_DMX_SET_PES_FILTER(r6, 0x40146f2c, &(0x7f0000000500)={0x2, 0x0, 0x3, 0x14})
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
ioctl$DVB_DEMUX_DMX_START(r6, 0x6f29)
ioctl$DVB_DEMUX_DMX_STOP(r6, 0x6f2a)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff)
mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/drm/card2\x00', 0x0, 0x0)
executing program 0:
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r0, &(0x7f0000000100), 0x3e8)
r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000040)='/proc/asound/card1/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r1, &(0x7f0000000100), 0x3e8)
r2 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000080)='/proc/asound/card2/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r2, &(0x7f0000000100), 0x3e8)
r3 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/card3/oss_mixer\x00', 0x0, 0x0)
read$proc_mixer(r3, &(0x7f0000000100), 0x3e8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./sys\x00', 0x1ff)
mount(&(0x7f0000000240), &(0x7f0000000200)='./sys\x00', &(0x7f0000000240)='sysfs\x00', 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/bus/pci/drivers/snd_hda_intel\x00', 0x0, 0x0)
getdents64(r4, &(0x7f0000000300), 0x3e8)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/sound\x00', 0x0, 0x0)
getdents64(r5, &(0x7f0000000500), 0x3e8)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='foo1 ba', 0x7)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='proc\x00', &(0x7f00000000c0)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/1/ns/net\x00', 0x0, 0x0)
setns(r0, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='sysfs\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000200)='serial8250\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000300)='alarmtimer\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000400)='i8042\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000500)='floppy.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000600)='microcode\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000700)='reg-dummy\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000800)='Fixed MDIO bus.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000900)='PNP0103:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000a00)='PNP0B00:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000b00)='QEMU0002:00\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000c00)='efi-framebuffer.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000d00)='vesa-framebuffer.0\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000e00)='simple-framebuffer.0\x00', 0x0, 0x0)

program did not crash
bisect: testing without sub-chunk 3/3
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}}): [5, 5, 4, 12, 6, 4, 12, 20, 4, 4, 14]
detailed listing:
executing program 1:
r0 = syz_io_uring_setup(0x10, &(0x7f0000000400)={0x0, 0x0, 0x3000}, &(0x7f0000000100)=<r1=>0x0, &(0x7f0000000000)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f0000000980)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x5}})
io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0)
close(r0)
nanosleep(&(0x7f0000000200)={0x0, 0x5f5e100}, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/pci/drivers/pcieport\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./file0\x00', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./file0\x00', 0x1, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
read(r0, &(0x7f0000000500)=""/100, 0x64)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000040)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='/dev/ram0,65536\x00', 0x10)
r1 = syz_open_dev$mtd(&(0x7f0000000180), 0x1, 0x2)
ioctl$MEMERASE(r1, 0x40084d02, &(0x7f00000001c0)={0x0, 0x400000})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0)
ioctl(r2, 0x40186f40, &(0x7f0000000240)="ffffffff0100"/24)
nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000280)='./dev/ubi0\x00', 0x2, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./proc/net/rpc/auth.rpcsec.init/channel\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='foo1 bar1 0 0', 0xd)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
write(r0, &(0x7f0000000200)='foo2 bar2 0 0 0 baz2 qux2\n', 0x1a)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/drivers/i915\x00', 0x10000, 0x0)
getdents64(r0, &(0x7f0000000200)=""/1024, 0x400)
executing program 3:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth1\x00'}}]}, 0x38}}, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
r1 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r1, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
listen(r1, 0x5)
r2 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r2, &(0x7f0000000340), 0x10)
connect$inet(r2, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
accept(r1, 0x0, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/vhost_net/parameters/experimental_zcopytx\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

program crashed: KASAN: use-after-free Read in nfsd_svc
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <10>
bisect: split chunk #0 of len 10 into 2 parts
bisect: testing without sub-chunk 1/2
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}}): [4, 12, 20, 4, 4, 14]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/drivers/i915\x00', 0x10000, 0x0)
getdents64(r0, &(0x7f0000000200)=""/1024, 0x400)
executing program 3:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x38, 0x1403, 0x1403, 0x0, 0x0, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth1\x00'}}]}, 0x38}}, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
r1 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r1, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
listen(r1, 0x5)
r2 = socket$inet_smc(0x2b, 0x1, 0x0)
bind$inet(r2, &(0x7f0000000340), 0x10)
connect$inet(r2, &(0x7f0000000300)={0x2, 0x4e21}, 0x10)
accept(r1, 0x0, 0x0)
nanosleep(&(0x7f0000000280)={0x0, 0x5f5e100}, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/irqmode\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='2\x00', 0x1)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nullb/nullb1/completion_nsec\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='100000000\x00', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
close(r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000280)='./dev\x00', &(0x7f00000002c0)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/nullb1\x00', 0x4002, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000340)='./debug\x00', &(0x7f0000000380)='debugfs\x00', 0x0, 0x0)
r3 = syz_io_uring_setup(0x10, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000004c0), &(0x7f0000000500), &(0x7f0000000540))
io_uring_enter(r3, 0x1, 0x0, 0x0, 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/block/nullb1/hctx0/busy\x00', 0x0, 0x0)
read(r4, &(0x7f0000002000)=""/4096, 0x1000)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/vhost_net/parameters/experimental_zcopytx\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

program crashed: KASAN: use-after-free Read in nfsd_svc
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): <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}}): [4, 4, 14]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/vhost_net/parameters/experimental_zcopytx\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

program crashed: KASAN: use-after-free Read in nfsd_svc
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): <2>
bisect: split chunk #0 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}}): [4, 14]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040), &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/vhost_net/parameters/experimental_zcopytx\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\n', 0x2)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

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}}): [4, 14]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

program crashed: KASAN: use-after-free Read in nfsd_svc
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <1>
bisect: split chunk #0 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: 2 programs left: 

executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)


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}}): [3, 14]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

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}}): [3, 14]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

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}}): [3, 14]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

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}}): [3, 14]
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f0000000640)='0\n', 0x2)

program did not crash
minimized 4 calls -> 4 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}}): [4, 13]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x1, 0x0)

program crashed: KASAN: use-after-free Read in nfsd_svc
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}}): [4, 12]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='1\n', 0x2)

program crashed: KASAN: use-after-free Read in nfsd_svc
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}}): [4, 11]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/threads\x00', 0x1, 0x0)

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}}): [4, 10]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)
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}}): [4, 9]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='localhost 1 \\x00000000 2147483647 /tmp\n', 0x27)

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}}): [4, 8]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0)

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}}): [4, 7]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)
close(r0)

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}}): [4, 6]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24)

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}}): [4, 5]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)

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}}): [4, 4]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0)

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}}): [4, 3]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)

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}}): [4, 2]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000000)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)

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}}): [4, 1]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)

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}}): [4, 0]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)
executing program 0:

program crashed: kernel BUG in svc_destroy
minimized 14 calls -> 0 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./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=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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./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=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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 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, &(0x7f0000000080)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='udp 2049\n', 0x9)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
reproducing took 53m3.636925477s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4425 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 3f e5 61 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 e6 72 7a f8 e9 17 ff ff ff e8 4c 18 29 f8 <0f> 0b e8 45 18 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900033a7b10 EFLAGS: 00010293
RAX: ffffffff89592e34 RBX: ffff888072de7850 RCX: ffff8880276a9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900033a7cb8 R08: ffffffff90b3335f R09: 1ffffffff216666b
R10: dffffc0000000000 R11: fffffbfff216666c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888072de7868 R15: 0000000000000001
FS:  000055557cb55500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75d8070050 CR3: 0000000076ac8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:123 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:768 [inline]
 __write_ports fs/nfsd/nfsctl.c:794 [inline]
 write_ports+0xa26/0xb80 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114
 vfs_write+0x2dc/0x9a0 fs/read_write.c:582
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f75d819e159
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:00007ffedeb6bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f75d8425fa0 RCX: 00007f75d819e159
RDX: 0000000000000009 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f75d823506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f75d8425fac R14: 00007f75d8425fa0 R15: 00007f75d8425fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 3f e5 61 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 e6 72 7a f8 e9 17 ff ff ff e8 4c 18 29 f8 <0f> 0b e8 45 18 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900033a7b10 EFLAGS: 00010293
RAX: ffffffff89592e34 RBX: ffff888072de7850 RCX: ffff8880276a9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900033a7cb8 R08: ffffffff90b3335f R09: 1ffffffff216666b
R10: dffffc0000000000 R11: fffffbfff216666c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888072de7868 R15: 0000000000000001
FS:  000055557cb55500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75d8070050 CR3: 0000000076ac8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4425 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 3f e5 61 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 e6 72 7a f8 e9 17 ff ff ff e8 4c 18 29 f8 <0f> 0b e8 45 18 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900033a7b10 EFLAGS: 00010293
RAX: ffffffff89592e34 RBX: ffff888072de7850 RCX: ffff8880276a9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900033a7cb8 R08: ffffffff90b3335f R09: 1ffffffff216666b
R10: dffffc0000000000 R11: fffffbfff216666c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888072de7868 R15: 0000000000000001
FS:  000055557cb55500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75d8070050 CR3: 0000000076ac8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:123 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:768 [inline]
 __write_ports fs/nfsd/nfsctl.c:794 [inline]
 write_ports+0xa26/0xb80 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114
 vfs_write+0x2dc/0x9a0 fs/read_write.c:582
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f75d819e159
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:00007ffedeb6bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f75d8425fa0 RCX: 00007f75d819e159
RDX: 0000000000000009 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f75d823506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f75d8425fac R14: 00007f75d8425fa0 R15: 00007f75d8425fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:605
Code: 5f 5d e9 3f e5 61 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 e6 72 7a f8 e9 17 ff ff ff e8 4c 18 29 f8 <0f> 0b e8 45 18 29 f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53
RSP: 0018:ffffc900033a7b10 EFLAGS: 00010293
RAX: ffffffff89592e34 RBX: ffff888072de7850 RCX: ffff8880276a9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900033a7cb8 R08: ffffffff90b3335f R09: 1ffffffff216666b
R10: dffffc0000000000 R11: fffffbfff216666c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888072de7868 R15: 0000000000000001
FS:  000055557cb55500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75d8070050 CR3: 0000000076ac8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400