Extracting prog: 2m29.680129497s
Minimizing prog: 32m28.898003151s
Simplifying prog options: 4m29.370638461s
Extracting C: 1m59.455197963s
Simplifying C: 0s


extracting reproducer from 42 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program crashed: WARNING: refcount bug in io_send_zc_cleanup
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r0=>0x0, &(0x7f0000000080)=<r1=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r0, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r0, r1, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080))
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_io_uring_setup-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-socket$inet6-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(0xffffffffffffffff, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$nl_generic-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$inet6_udp-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program crashed: WARNING: refcount bug in io_send_zc_cleanup
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, 0x0)
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, 0x0, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, 0x0, &(0x7f0000000080)=<r1=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(0x0, r1, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, 0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, 0x0, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, 0x0, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x0, 0x0}, 0x10)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, 0x0)
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=53.670966456s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
program did not crash
simplifying guilty program options
testing program (duration=53.670966456s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
testing program (duration=53.670966456s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_submit-socket$pppl2tp-socket$nl_generic-socket$inet6-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-setsockopt$SO_ATTACH_FILTER-mprotect-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000200)=@IORING_OP_OPENAT={0x12, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000b40)='./file1\x00', 0x0, 0x100, 0x12345})
socket$pppl2tp(0x18, 0x1, 0x1)
socket$nl_generic(0x10, 0x3, 0x10)
socket$inet6(0xa, 0x2, 0x0)
r0 = syz_io_uring_setup(0x81f, &(0x7f0000000480)={0x0, 0x0, 0x10, 0x1, 0x34f}, &(0x7f00000000c0)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000180)=0xfffffff9, 0x0, 0x4)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000400)={0x1fffffffffffffaa, &(0x7f0000000200)=[{0x30, 0x9, 0x0, 0x6}]}, 0xfffffffffffffdf1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
syz_io_uring_submit(r1, r2, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x6000, @fd, 0x9be, 0x0, 0x0, 0x1})
io_uring_enter(r0, 0x47bc, 0x0, 0x21, 0x0, 0x0)

program did not crash
reproducing took 41m27.4040027s
repro crashed as (corrupted=false):
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 1 PID: 6224 at lib/refcount.c:28 refcount_warn_saturate+0x15a/0x1d0 lib/refcount.c:28
Modules linked in:
CPU: 1 UID: 0 PID: 6224 Comm: syz.1.94 Not tainted 6.14.0-rc7-syzkaller-00186-gd07de43e3f05 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:refcount_warn_saturate+0x15a/0x1d0 lib/refcount.c:28
Code: c0 e1 7f 8c e8 d7 bc 93 fc 90 0f 0b 90 90 eb 99 e8 6b 01 d4 fc c6 05 97 15 38 0b 01 90 48 c7 c7 20 e2 7f 8c e8 b7 bc 93 fc 90 <0f> 0b 90 90 e9 76 ff ff ff e8 48 01 d4 fc c6 05 71 15 38 0b 01 90
RSP: 0018:ffffc9000303f8c0 EFLAGS: 00010246
RAX: f4d8e42d07d4f800 RBX: ffff88802972a150 RCX: ffff88802cdd3c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000003 R08: ffffffff81819d62 R09: fffffbfff1d3a69c
R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: dffffc0000000000
R13: 1ffff11005484680 R14: 1ffff110052e54a6 R15: ffff88802972a530
FS:  00007f6101d896c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59a9578ab8 CR3: 000000005fee0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 io_notif_flush io_uring/notif.h:40 [inline]
 io_send_zc_cleanup+0x121/0x170 io_uring/net.c:1222
 io_clean_op+0x58c/0x9a0 io_uring/io_uring.c:406
 io_free_batch_list io_uring/io_uring.c:1429 [inline]
 __io_submit_flush_completions+0xc16/0xd20 io_uring/io_uring.c:1470
 io_submit_flush_completions io_uring/io_uring.h:159 [inline]
 ctx_flush_and_put io_uring/io_uring.c:1031 [inline]
 io_handle_tw_list+0x473/0x500 io_uring/io_uring.c:1071
 tctx_task_work_run+0x9a/0x370 io_uring/io_uring.c:1123
 tctx_task_work+0x9a/0x100 io_uring/io_uring.c:1141
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 get_signal+0x15d1/0x1720 kernel/signal.c:2809
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6100f8d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6101d89038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: 0000000000001000 RBX: 00007f61011a5fa0 RCX: 00007f6100f8d169
RDX: 0000000000000000 RSI: 00000000000047bc RDI: 0000000000000005
RBP: 00007f610100e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f61011a5fa0 R15: 00007fffc0b64508
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 1 PID: 6224 at lib/refcount.c:28 refcount_warn_saturate+0x15a/0x1d0 lib/refcount.c:28
Modules linked in:
CPU: 1 UID: 0 PID: 6224 Comm: syz.1.94 Not tainted 6.14.0-rc7-syzkaller-00186-gd07de43e3f05 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:refcount_warn_saturate+0x15a/0x1d0 lib/refcount.c:28
Code: c0 e1 7f 8c e8 d7 bc 93 fc 90 0f 0b 90 90 eb 99 e8 6b 01 d4 fc c6 05 97 15 38 0b 01 90 48 c7 c7 20 e2 7f 8c e8 b7 bc 93 fc 90 <0f> 0b 90 90 e9 76 ff ff ff e8 48 01 d4 fc c6 05 71 15 38 0b 01 90
RSP: 0018:ffffc9000303f8c0 EFLAGS: 00010246
RAX: f4d8e42d07d4f800 RBX: ffff88802972a150 RCX: ffff88802cdd3c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000003 R08: ffffffff81819d62 R09: fffffbfff1d3a69c
R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: dffffc0000000000
R13: 1ffff11005484680 R14: 1ffff110052e54a6 R15: ffff88802972a530
FS:  00007f6101d896c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59a9578ab8 CR3: 000000005fee0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 io_notif_flush io_uring/notif.h:40 [inline]
 io_send_zc_cleanup+0x121/0x170 io_uring/net.c:1222
 io_clean_op+0x58c/0x9a0 io_uring/io_uring.c:406
 io_free_batch_list io_uring/io_uring.c:1429 [inline]
 __io_submit_flush_completions+0xc16/0xd20 io_uring/io_uring.c:1470
 io_submit_flush_completions io_uring/io_uring.h:159 [inline]
 ctx_flush_and_put io_uring/io_uring.c:1031 [inline]
 io_handle_tw_list+0x473/0x500 io_uring/io_uring.c:1071
 tctx_task_work_run+0x9a/0x370 io_uring/io_uring.c:1123
 tctx_task_work+0x9a/0x100 io_uring/io_uring.c:1141
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 get_signal+0x15d1/0x1720 kernel/signal.c:2809
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6100f8d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6101d89038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: 0000000000001000 RBX: 00007f61011a5fa0 RCX: 00007f6100f8d169
RDX: 0000000000000000 RSI: 00000000000047bc RDI: 0000000000000005
RBP: 00007f610100e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f61011a5fa0 R15: 00007fffc0b64508
 </TASK>