Extracting prog: 2m30.157664921s
Minimizing prog: 23m1.931372232s
Simplifying prog options: 0s
Extracting C: 41.723893977s
Simplifying C: 10m59.65728498s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$nl_generic-setsockopt$SO_ATTACH_FILTER-sendmsg$NFT_BATCH-io_uring_setup-bpf$PROG_LOAD-pwritev
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0xc002}, 0x0)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000200)={0x0, &(0x7f0000000140)}, 0x10)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})
bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1b, 0x3, 0x0, &(0x7f0000000240)='syzkaller\x00', 0x80000000, 0x654e, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
pwritev(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000000000)='0', 0x1}], 0x1, 0x0, 0x3)

program crashed: WARNING in io_sq_thread_stop
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$nl_generic-setsockopt$SO_ATTACH_FILTER-sendmsg$NFT_BATCH-io_uring_setup-bpf$PROG_LOAD
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0xc002}, 0x0)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000200)={0x0, &(0x7f0000000140)}, 0x10)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})
bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1b, 0x3, 0x0, &(0x7f0000000240)='syzkaller\x00', 0x80000000, 0x654e, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$nl_generic-setsockopt$SO_ATTACH_FILTER-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0xc002}, 0x0)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000200)={0x0, &(0x7f0000000140)}, 0x10)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$nl_generic-setsockopt$SO_ATTACH_FILTER-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0xc002}, 0x0)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000200)={0x0, &(0x7f0000000140)}, 0x10)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$nl_generic-setsockopt$SO_ATTACH_FILTER-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0xc002}, 0x0)
setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000200)={0x0, &(0x7f0000000140)}, 0x10)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program did not crash
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$nl_generic-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0xc002}, 0x0)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-close_range-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-connect$inet-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
connect$inet(r0, &(0x7f0000001bc0)={0x2, 0x4e23, @loopback}, 0x10)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program did not crash
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-bind$inet-prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
bind$inet(r0, &(0x7f0000001c00)={0x2, 0x4e23, @broadcast}, 0x10)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
socket$inet(0x2, 0x4000000000000001, 0x0)
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, 0x0, 0x0)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program did not crash
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program did not crash
testing program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m14.289162568s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
simplifying C reproducer
testing compiled C program (duration=1m14.289162568s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing compiled C program (duration=1m14.289162568s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
program crashed: WARNING in io_sq_thread_stop
testing program (duration=1m14.289162568s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
validation run: crashed=true
testing program (duration=1m14.289162568s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
validation run: crashed=true
testing program (duration=1m14.289162568s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f000000b000/0x2000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc002, 0xc, 0xa0002f5})

program crashed: WARNING in io_sq_thread_stop
validation run: crashed=true
reproducing took 42m29.31771161s
repro crashed as (corrupted=false):
------------[ cut here ]------------
test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state)
WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x17e/0x1a0 io_uring/sqpoll.c:88, CPU#1: kworker/u8:6/157
Modules linked in:
CPU: 1 UID: 0 PID: 157 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: iou_exit io_ring_exit_work
RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 io_uring/sqpoll.c:88
Code: c6 05 c9 05 c1 0c 01 48 c7 c7 20 3c 8c 8c be 26 00 00 00 48 c7 c2 60 3c 8c 8c e8 6d 38 be fc e9 4f ff ff ff e8 c3 e6 e2 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 b5 e6 e2 fc 90 0f 0b 90 e9 6e ff ff ff
RSP: 0018:ffffc90002f5f890 EFLAGS: 00010293
RAX: ffffffff84e628dd RBX: ffff88807e2ec000 RCX: ffff888021b08000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807e2ec11f R09: 1ffff1100fc5d823
R10: dffffc0000000000 R11: ffffed100fc5d824 R12: 0000000000000001
R13: 0000000000000000 R14: ffff88807e2ec118 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888123510000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f424d6716a0 CR3: 000000000ff48000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 io_put_sq_data+0x8a/0x150 io_uring/sqpoll.c:105
 io_sq_thread_finish+0x1fd/0x240 io_uring/sqpoll.c:130
 io_ring_ctx_free+0x2d/0x5f0 io_uring/io_uring.c:2322
 io_ring_exit_work+0x5b4/0x650 io_uring/io_uring.c:2658
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state)
WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x17e/0x1a0 io_uring/sqpoll.c:88, CPU#1: kworker/u8:6/157
Modules linked in:
CPU: 1 UID: 0 PID: 157 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: iou_exit io_ring_exit_work
RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 io_uring/sqpoll.c:88
Code: c6 05 c9 05 c1 0c 01 48 c7 c7 20 3c 8c 8c be 26 00 00 00 48 c7 c2 60 3c 8c 8c e8 6d 38 be fc e9 4f ff ff ff e8 c3 e6 e2 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 b5 e6 e2 fc 90 0f 0b 90 e9 6e ff ff ff
RSP: 0018:ffffc90002f5f890 EFLAGS: 00010293
RAX: ffffffff84e628dd RBX: ffff88807e2ec000 RCX: ffff888021b08000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807e2ec11f R09: 1ffff1100fc5d823
R10: dffffc0000000000 R11: ffffed100fc5d824 R12: 0000000000000001
R13: 0000000000000000 R14: ffff88807e2ec118 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888123510000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f424d6716a0 CR3: 000000000ff48000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 io_put_sq_data+0x8a/0x150 io_uring/sqpoll.c:105
 io_sq_thread_finish+0x1fd/0x240 io_uring/sqpoll.c:130
 io_ring_ctx_free+0x2d/0x5f0 io_uring/io_uring.c:2322
 io_ring_exit_work+0x5b4/0x650 io_uring/io_uring.c:2658
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>