Extracting prog: 2m13.215005587s Minimizing prog: 26m37.536082988s Simplifying prog options: 0s Extracting C: 31.341311657s Simplifying C: 19m28.657034296s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program crashed: possible deadlock in vsock_linger single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) setsockopt$sock_linger(0xffffffffffffffff, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) bind$vsock_stream(0xffffffffffffffff, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(0xffffffffffffffff, 0x7ff) r1 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r0 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r0, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r0, 0x7ff) r1 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r0 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r0, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r0, 0x7ff) r1 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, 0x0, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, 0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r0 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r0, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r0, 0x7ff) r1 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, 0x0, 0x0) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, 0x0, 0x0) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, 0x0, 0x0) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program did not crash testing program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.434815594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger simplifying C reproducer testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program did not crash testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program did not crash testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program did not crash testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program did not crash testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing compiled C program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream program crashed: possible deadlock in vsock_linger testing program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program crashed: possible deadlock in vsock_linger validation run: crashed=true testing program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program crashed: possible deadlock in vsock_linger validation run: crashed=true testing program (duration=45.434815594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-socket$vsock_stream-bind$vsock_stream-listen-socket$vsock_stream-setsockopt$sock_linger-connect$vsock_stream-connect$vsock_stream detailed listing: executing program 0: timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3000007, 0x204031, 0xffffffffffffffff, 0x40176000) r1 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r1, &(0x7f0000000440)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r1, 0x7ff) r2 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000180)={0x1, 0x4}, 0x8) connect$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) connect$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) program crashed: possible deadlock in vsock_linger validation run: crashed=true reproducing took 52m41.148268465s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/6003 is trying to acquire lock: ffff888079800b18 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1693 [inline] ffff888079800b18 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_linger+0x2e9/0x4f0 net/vmw_vsock/af_vsock.c:1066 but task is already holding lock: ffffffff8f81d228 (vsock_register_mutex){+.+.}-{4:4}, at: vsock_assign_transport+0xfa/0x770 net/vmw_vsock/af_vsock.c:469 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (vsock_register_mutex){+.+.}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/mutex.c:598 [inline] __mutex_lock+0x187/0x1350 kernel/locking/mutex.c:760 vsock_registered_transport_cid net/vmw_vsock/af_vsock.c:560 [inline] vsock_find_cid net/vmw_vsock/af_vsock.c:570 [inline] __vsock_bind+0xdb/0xc20 net/vmw_vsock/af_vsock.c:752 vsock_bind+0xdc/0x130 net/vmw_vsock/af_vsock.c:1002 __sys_bind_socket net/socket.c:1874 [inline] __sys_bind+0x2c6/0x3e0 net/socket.c:1905 __do_sys_bind net/socket.c:1910 [inline] __se_sys_bind net/socket.c:1908 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1908 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (sk_lock-AF_VSOCK){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 lock_sock_nested+0x48/0x100 net/core/sock.c:3752 lock_sock include/net/sock.h:1693 [inline] vsock_linger+0x2e9/0x4f0 net/vmw_vsock/af_vsock.c:1066 virtio_transport_close net/vmw_vsock/virtio_transport_common.c:1271 [inline] virtio_transport_release+0x2da/0x7e0 net/vmw_vsock/virtio_transport_common.c:1291 vsock_assign_transport+0x385/0x770 net/vmw_vsock/af_vsock.c:502 vsock_connect+0x5a6/0xe20 net/vmw_vsock/af_vsock.c:1578 __sys_connect_file net/socket.c:2102 [inline] __sys_connect+0x316/0x440 net/socket.c:2121 __do_sys_connect net/socket.c:2127 [inline] __se_sys_connect net/socket.c:2124 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2124 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(vsock_register_mutex); lock(sk_lock-AF_VSOCK); lock(vsock_register_mutex); lock(sk_lock-AF_VSOCK); *** DEADLOCK *** 1 lock held by syz.0.17/6003: #0: ffffffff8f81d228 (vsock_register_mutex){+.+.}-{4:4}, at: vsock_assign_transport+0xfa/0x770 net/vmw_vsock/af_vsock.c:469 stack backtrace: CPU: 1 UID: 0 PID: 6003 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2043 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 lock_sock_nested+0x48/0x100 net/core/sock.c:3752 lock_sock include/net/sock.h:1693 [inline] vsock_linger+0x2e9/0x4f0 net/vmw_vsock/af_vsock.c:1066 virtio_transport_close net/vmw_vsock/virtio_transport_common.c:1271 [inline] virtio_transport_release+0x2da/0x7e0 net/vmw_vsock/virtio_transport_common.c:1291 vsock_assign_transport+0x385/0x770 net/vmw_vsock/af_vsock.c:502 vsock_connect+0x5a6/0xe20 net/vmw_vsock/af_vsock.c:1578 __sys_connect_file net/socket.c:2102 [inline] __sys_connect+0x316/0x440 net/socket.c:2121 __do_sys_connect net/socket.c:2127 [inline] __se_sys_connect net/socket.c:2124 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2124 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f888978efc9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff13bc0bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f88899e5fa0 RCX: 00007f888978efc9 RDX: 0000000000000010 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f8889811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88899e5fa0 R14: 00007f88899e5fa0 R15: 0000000000000003 final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/6003 is trying to acquire lock: ffff888079800b18 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1693 [inline] ffff888079800b18 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_linger+0x2e9/0x4f0 net/vmw_vsock/af_vsock.c:1066 but task is already holding lock: ffffffff8f81d228 (vsock_register_mutex){+.+.}-{4:4}, at: vsock_assign_transport+0xfa/0x770 net/vmw_vsock/af_vsock.c:469 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (vsock_register_mutex){+.+.}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/mutex.c:598 [inline] __mutex_lock+0x187/0x1350 kernel/locking/mutex.c:760 vsock_registered_transport_cid net/vmw_vsock/af_vsock.c:560 [inline] vsock_find_cid net/vmw_vsock/af_vsock.c:570 [inline] __vsock_bind+0xdb/0xc20 net/vmw_vsock/af_vsock.c:752 vsock_bind+0xdc/0x130 net/vmw_vsock/af_vsock.c:1002 __sys_bind_socket net/socket.c:1874 [inline] __sys_bind+0x2c6/0x3e0 net/socket.c:1905 __do_sys_bind net/socket.c:1910 [inline] __se_sys_bind net/socket.c:1908 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1908 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (sk_lock-AF_VSOCK){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 lock_sock_nested+0x48/0x100 net/core/sock.c:3752 lock_sock include/net/sock.h:1693 [inline] vsock_linger+0x2e9/0x4f0 net/vmw_vsock/af_vsock.c:1066 virtio_transport_close net/vmw_vsock/virtio_transport_common.c:1271 [inline] virtio_transport_release+0x2da/0x7e0 net/vmw_vsock/virtio_transport_common.c:1291 vsock_assign_transport+0x385/0x770 net/vmw_vsock/af_vsock.c:502 vsock_connect+0x5a6/0xe20 net/vmw_vsock/af_vsock.c:1578 __sys_connect_file net/socket.c:2102 [inline] __sys_connect+0x316/0x440 net/socket.c:2121 __do_sys_connect net/socket.c:2127 [inline] __se_sys_connect net/socket.c:2124 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2124 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(vsock_register_mutex); lock(sk_lock-AF_VSOCK); lock(vsock_register_mutex); lock(sk_lock-AF_VSOCK); *** DEADLOCK *** 1 lock held by syz.0.17/6003: #0: ffffffff8f81d228 (vsock_register_mutex){+.+.}-{4:4}, at: vsock_assign_transport+0xfa/0x770 net/vmw_vsock/af_vsock.c:469 stack backtrace: CPU: 1 UID: 0 PID: 6003 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2043 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 lock_sock_nested+0x48/0x100 net/core/sock.c:3752 lock_sock include/net/sock.h:1693 [inline] vsock_linger+0x2e9/0x4f0 net/vmw_vsock/af_vsock.c:1066 virtio_transport_close net/vmw_vsock/virtio_transport_common.c:1271 [inline] virtio_transport_release+0x2da/0x7e0 net/vmw_vsock/virtio_transport_common.c:1291 vsock_assign_transport+0x385/0x770 net/vmw_vsock/af_vsock.c:502 vsock_connect+0x5a6/0xe20 net/vmw_vsock/af_vsock.c:1578 __sys_connect_file net/socket.c:2102 [inline] __sys_connect+0x316/0x440 net/socket.c:2121 __do_sys_connect net/socket.c:2127 [inline] __se_sys_connect net/socket.c:2124 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2124 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f888978efc9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff13bc0bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f88899e5fa0 RCX: 00007f888978efc9 RDX: 0000000000000010 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f8889811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88899e5fa0 R14: 00007f88899e5fa0 R15: 0000000000000003