Extracting prog: 2m34.075760516s Minimizing prog: 28m3.678407083s Simplifying prog options: 0s Extracting C: 52.769892053s Simplifying C: 5m37.441403129s 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}}): socket$inet_tcp-bind$inet-setsockopt$inet_tcp_int-connect$inet-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-sendmsg$inet detailed listing: executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000200)={0x2, 0x4e20, @multicast1}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000000300)=0x3ff, 0x4) connect$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x3d}}, 0x10) r1 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0xfffd, 0x0, 0x9, 0x5}, {0x12, 0x2, 0x0, 0x401, 0x8001, 0x1400}, 0xa5, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x5f0}]}}]}, 0x60}}, 0x44080) sendmsg$nl_route_sched(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=@newqdisc={0x4c, 0x24, 0xd0f, 0x70bd25, 0x25dfdbfe, {0x60, 0x0, 0x0, r3, {}, {0x1, 0xa}, {0x7, 0xe}}, [@qdisc_kind_options=@q_netem={{0xa}, {0x1c, 0x2, {{0x8, 0x2, 0x9, 0x4, 0xfffffe01, 0x204}}}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x55}, 0xc010) sendmsg$inet(r0, &(0x7f00000015c0)={0x0, 0x14, &(0x7f0000001600)=[{&(0x7f0000000240)=' ', 0xffffff1f}], 0x1}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb single: successfully extracted reproducer found reproducer with 19 syscalls minimizing guilty program testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-socket$unix-bind$unix-listen-connect$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) program did not crash testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-socket$unix-bind$unix-listen-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-socket$unix-bind$unix-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-socket$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) bind$unix(0xffffffffffffffff, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(0xffffffffffffffff, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = socket$unix(0x1, 0x1, 0x0) bind$unix(r3, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r3, 0x2) connect$unix(0xffffffffffffffff, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r3], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-recvmmsg-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-sendmmsg$unix-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) bind$unix(r4, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r4, 0x2) connect$unix(r3, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r3, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r4], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-getpid-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) bind$unix(r3, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r3, 0x2) connect$unix(r2, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r2, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r3], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-sched_setscheduler-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) bind$unix(r3, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r3, 0x2) connect$unix(r2, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r2, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r3], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-prlimit64-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) prlimit64(r1, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) bind$unix(r3, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r3, 0x2) connect$unix(r2, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r2, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r3], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-migrate_pages-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = gettid() migrate_pages(r1, 0x3, 0x0, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) bind$unix(r3, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r3, 0x2) connect$unix(r2, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r2, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r3], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-gettid-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) gettid() r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x2) connect$unix(r1, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r1, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r2], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-ioctl$SNDCTL_SEQ_NRMIDIS-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0xc0045103, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x2) connect$unix(r1, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r1, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r2], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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}}): openat$sequencer2-socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: openat$sequencer2(0xffffff9c, &(0x7f00000001c0), 0x20040, 0x0) r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, 0x0, 0x0) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, 0x0, 0x0) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, 0x0, 0x0, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x1, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{0x0}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x1, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x1, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, 0x0, 0x18, 0x40001}}], 0x1, 0x0) program did not crash testing program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES32=r1], 0x18, 0x40001}}], 0x1, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: possible deadlock in unix_collect_skb simplifying C reproducer testing compiled C program (duration=41.754181891s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: possible deadlock in unix_collect_skb testing compiled C program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: possible deadlock in unix_collect_skb testing compiled C program (duration=41.754181891s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: possible deadlock in unix_collect_skb testing compiled C program (duration=41.754181891s, {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$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: WARNING: possible recu a never seen crash title: WARNING: possible recu, ignore testing compiled C program (duration=41.754181891s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: possible deadlock in unix_collect_skb testing compiled C program (duration=41.754181891s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program did not crash testing compiled C program (duration=41.754181891s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix program crashed: possible deadlock in unix_collect_skb testing program (duration=41.754181891s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb validation run: crashed=true testing program (duration=41.754181891s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb validation run: crashed=true testing program (duration=41.754181891s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket$unix-bind$unix-listen-connect$unix-sendmmsg$unix detailed listing: executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000380)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x2) connect$unix(r0, &(0x7f0000fce000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendmmsg$unix(r0, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)='A', 0x1}], 0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r1], 0x18, 0x40001}}], 0x47f, 0x0) program crashed: possible deadlock in unix_collect_skb validation run: crashed=true reproducing took 40m17.427090153s repro crashed as (corrupted=false): IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- kworker/u4:1/11 is trying to acquire lock: ffff0000d4e981e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff0000d4e981e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0x144/0x488 net/unix/garbage.c:363 but task is already holding lock: ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x488 net/unix/garbage.c:355 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/u4:1/11: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cb57c40 (unix_gc_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017afd6b8 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #2: ffff800017afd6b8 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0xcc/0x144c net/unix/garbage.c:563 #3: ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x488 net/unix/garbage.c:355 stack backtrace: CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 Workqueue: events_unbound __unix_gc Call trace: dump_backtrace+0x1c4/0x1f0 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+0xf4/0x15c lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __lock_acquire+0x15d0/0x6634 kernel/locking/lockdep.c:-1 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676 __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+0x144/0x488 net/unix/garbage.c:363 __unix_walk_scc net/unix/garbage.c:486 [inline] unix_walk_scc net/unix/garbage.c:517 [inline] __unix_gc+0xdac/0x144c net/unix/garbage.c:575 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 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/u4:1/11 is trying to acquire lock: ffff0000d4e981e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff0000d4e981e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0x144/0x488 net/unix/garbage.c:363 but task is already holding lock: ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x488 net/unix/garbage.c:355 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/u4:1/11: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cb57c40 (unix_gc_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017afd6b8 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #2: ffff800017afd6b8 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0xcc/0x144c net/unix/garbage.c:563 #3: ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff0000d4e999e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x488 net/unix/garbage.c:355 stack backtrace: CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 Workqueue: events_unbound __unix_gc Call trace: dump_backtrace+0x1c4/0x1f0 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+0xf4/0x15c lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __lock_acquire+0x15d0/0x6634 kernel/locking/lockdep.c:-1 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676 __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+0x144/0x488 net/unix/garbage.c:363 __unix_walk_scc net/unix/garbage.c:486 [inline] unix_walk_scc net/unix/garbage.c:517 [inline] __unix_gc+0xdac/0x144c net/unix/garbage.c:575 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850