Extracting prog: 4m36.718936981s
Minimizing prog: 41m29.487913378s
Simplifying prog options: 0s
Extracting C: 26.848031937s
Simplifying C: 6m9.444356351s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, 0x0, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000440)={0x8, 0xf, &(0x7f0000000c80)=@ringbuf={{}, {{0x18, 0x1, 0x1, 0x0, r0}, {}, {0x7, 0x0, 0xb, 0x2}, {0x85, 0x0, 0x0, 0x51}}, {}, [], {{}, {}, {0x85, 0x0, 0x0, 0x5}}}, &(0x7f0000000000)='GPL\x00'}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000780)={r1, 0x18000000000002a0, 0xe, 0x0, &(0x7f0000000400)="5aee41dea43e9eee28e622e563a3", 0x0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix-close_range-mprotect-getresgid-mount$fuse-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r4 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r4, 0x2)
r5 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r6=>0xffffffffffffffff})
connect$unix(r5, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r5, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r6, r4]}}], 0x18, 0x8801}}], 0x1, 0x20044034)
close_range(r3, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000c00000/0x400000)=nil, 0x400000, 0x1)
getresgid(0x0, &(0x7f0000001200), 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, 0x0)
r7 = syz_open_procfs(0x0, 0x0)
read$FUSE(r7, &(0x7f0000004440)={0x2020}, 0x2020)

program crashed: possible deadlock in unix_collect_skb
single: successfully extracted reproducer
found reproducer with 27 syscalls
minimizing guilty program
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix-close_range-mprotect-getresgid-mount$fuse-syz_open_procfs
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r4 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r4, 0x2)
r5 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r6=>0xffffffffffffffff})
connect$unix(r5, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r5, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r6, r4]}}], 0x18, 0x8801}}], 0x1, 0x20044034)
close_range(r3, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000c00000/0x400000)=nil, 0x400000, 0x1)
getresgid(0x0, &(0x7f0000001200), 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, 0x0)
syz_open_procfs(0x0, 0x0)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix-close_range-mprotect-getresgid-mount$fuse
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r4 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r4, 0x2)
r5 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r6=>0xffffffffffffffff})
connect$unix(r5, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r5, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r6, r4]}}], 0x18, 0x8801}}], 0x1, 0x20044034)
close_range(r3, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000c00000/0x400000)=nil, 0x400000, 0x1)
getresgid(0x0, &(0x7f0000001200), 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, 0x0)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix-close_range-mprotect-getresgid
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r4 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r4, 0x2)
r5 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r6=>0xffffffffffffffff})
connect$unix(r5, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r5, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r6, r4]}}], 0x18, 0x8801}}], 0x1, 0x20044034)
close_range(r3, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000c00000/0x400000)=nil, 0x400000, 0x1)
getresgid(0x0, &(0x7f0000001200), 0x0)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix-close_range-mprotect
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r4 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r4, 0x2)
r5 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r6=>0xffffffffffffffff})
connect$unix(r5, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r5, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r6, r4]}}], 0x18, 0x8801}}], 0x1, 0x20044034)
close_range(r3, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000c00000/0x400000)=nil, 0x400000, 0x1)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix-close_range
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r4 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r4, 0x2)
r5 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r6=>0xffffffffffffffff})
connect$unix(r5, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r5, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r6, r4]}}], 0x18, 0x8801}}], 0x1, 0x20044034)
close_range(r3, 0xffffffffffffffff, 0x0)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080))
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socket$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-listen-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(0xffffffffffffffff, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r4, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-bind$unix-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
r3 = socket$unix(0x1, 0x1, 0x0)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000006c0)={0x1, &(0x7f0000000500)=[{0x6, 0x43, 0x0, 0x7fff0000}]})
bind$unix(0xffffffffffffffff, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(0xffffffffffffffff, 0x2)
r3 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r3, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r4, 0xffffffffffffffff]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-syz_clone-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
syz_clone(0x100, 0x0, 0x0, 0x0, 0x0, 0x0)
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-mlock-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mlock(&(0x7f00007fe000/0x800000)=nil, 0x800000)
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-bpf$PROG_LOAD-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
r3 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r3, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r3, 0x2)
r4 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r5, r3]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e)
r2 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r2, 0x2)
r3 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r3, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r4, r2]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140))
r1 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r1, 0x2)
r2 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
connect$unix(r2, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r3, r1]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
r1 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r1, 0x2)
r2 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
connect$unix(r2, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r3, r1]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-getpid-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
getpid()
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-sched_setscheduler-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-prlimit64-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0)
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {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}}): prctl$PR_MCE_KILL-socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
prctl$PR_MCE_KILL(0x35, 0x1, 0x8)
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, 0x0, 0x0)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, 0x0, 0x0)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080))
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, 0x0, 0x0, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{0x0}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program did not crash
testing program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080))
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, 0x0, 0x0, 0x8801}}], 0x1, 0x20044034)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.200178508s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program crashed: possible deadlock in unix_collect_skb
simplifying C reproducer
testing compiled C program (duration=45.200178508s, {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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program crashed: possible deadlock in unix_collect_skb
testing compiled C program (duration=45.200178508s, {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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program crashed: possible deadlock in unix_collect_skb
testing compiled C program (duration=45.200178508s, {Threaded:false Repeat:false 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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program crashed: possible deadlock in unix_collect_skb
testing compiled C program (duration=45.200178508s, {Threaded:false Repeat:false 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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program did not crash
testing compiled C program (duration=45.200178508s, {Threaded:false Repeat:false 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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program crashed: WARNING: possible recursive locking detected
a never seen crash title: WARNING: possible recursive locking detected, ignore
testing compiled C program (duration=45.200178508s, {Threaded:false Repeat:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program did not crash
testing compiled C program (duration=45.200178508s, {Threaded:false Repeat:false 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:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
program crashed: WARNING: possible recu
a never seen crash title: WARNING: possible recu, ignore
testing program (duration=45.200178508s, {Threaded:false Repeat:false 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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
validation run: crashed=true
testing program (duration=45.200178508s, {Threaded:false Repeat:false 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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
validation run: crashed=true
testing program (duration=45.200178508s, {Threaded:false Repeat:false 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}}): socket$unix-bind$unix-listen-socket$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r0, 0x2)
r1 = socket$unix(0x1, 0x1, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000140)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000340)="90", 0x1}], 0x1, &(0x7f0000000580)=[@rights={{0x18, 0x1, 0x1, [r2, r0]}}], 0x18, 0x8801}}], 0x1, 0x20044034)

program crashed: possible deadlock in unix_collect_skb
validation run: crashed=true
reproducing took 56m1.53319597s
repro crashed as (corrupted=false):
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
kworker/u4:6/4424 is trying to acquire lock:
ffff0000d4bf21e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff0000d4bf21e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0x140/0x480 net/unix/garbage.c:361

but task is already holding lock:
ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x480 net/unix/garbage.c:353

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(rlock-AF_UNIX);
  lock(rlock-AF_UNIX);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

4 locks held by kworker/u4:6/4424:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265
 #1: ffff800020c17c20 (unix_gc_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267
 #2: ffff800017829458 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffff800017829458 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0xb8/0x1334 net/unix/garbage.c:555
 #3: ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x480 net/unix/garbage.c:353

stack backtrace:
CPU: 1 PID: 4424 Comm: kworker/u4:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events_unbound __unix_gc
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 __lock_acquire+0x18b4/0x6544 kernel/locking/lockdep.c:-1
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 unix_collect_skb+0x140/0x480 net/unix/garbage.c:361
 __unix_walk_scc net/unix/garbage.c:484 [inline]
 unix_walk_scc net/unix/garbage.c:509 [inline]
 __unix_gc+0xd18/0x1334 net/unix/garbage.c:567
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850

final repro crashed as (corrupted=false):
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
kworker/u4:6/4424 is trying to acquire lock:
ffff0000d4bf21e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff0000d4bf21e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0x140/0x480 net/unix/garbage.c:361

but task is already holding lock:
ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x480 net/unix/garbage.c:353

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(rlock-AF_UNIX);
  lock(rlock-AF_UNIX);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

4 locks held by kworker/u4:6/4424:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265
 #1: ffff800020c17c20 (unix_gc_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267
 #2: ffff800017829458 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffff800017829458 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0xb8/0x1334 net/unix/garbage.c:555
 #3: ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff0000d4bf11e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x480 net/unix/garbage.c:353

stack backtrace:
CPU: 1 PID: 4424 Comm: kworker/u4:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events_unbound __unix_gc
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 __lock_acquire+0x18b4/0x6544 kernel/locking/lockdep.c:-1
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 unix_collect_skb+0x140/0x480 net/unix/garbage.c:361
 __unix_walk_scc net/unix/garbage.c:484 [inline]
 unix_walk_scc net/unix/garbage.c:509 [inline]
 __unix_gc+0xd18/0x1334 net/unix/garbage.c:567
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850