Extracting prog: 3m38.025827086s Minimizing prog: 1h30m50.989968266s Simplifying prog options: 0s Extracting C: 2m43.421130248s Simplifying C: 18m11.259944746s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-bind$bt_hci-prctl$PR_SET_MM-brk-close_range detailed listing: executing program 0: r0 = creat(&(0x7f0000000280)='./file0\x00', 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r1, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) bind$bt_hci(r0, 0x0, 0x0) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) close_range(0xffffffffffffffff, r1, 0x2) program crashed: INFO: task hung in do_coredump single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-bind$bt_hci-prctl$PR_SET_MM-brk detailed listing: executing program 0: r0 = creat(&(0x7f0000000280)='./file0\x00', 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r1, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) bind$bt_hci(r0, 0x0, 0x0) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program crashed: INFO: task hung in do_coredump testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-bind$bt_hci-prctl$PR_SET_MM detailed listing: executing program 0: r0 = creat(&(0x7f0000000280)='./file0\x00', 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r1, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) bind$bt_hci(r0, 0x0, 0x0) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-bind$bt_hci-brk detailed listing: executing program 0: r0 = creat(&(0x7f0000000280)='./file0\x00', 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r1, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) bind$bt_hci(r0, 0x0, 0x0) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program crashed: INFO: task hung in do_coredump testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) bind$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(0xffffffffffffffff, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, 0x0, 0x0) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), 0x0, &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, 0x0) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash testing program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: INFO: task hung in do_coredump simplifying C reproducer testing compiled C program (duration=6m0s, {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:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false 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}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: INFO: task hung in do_coredump testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: INFO: task hung in do_coredump testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: INFO: task hung in do_coredump testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: INFO: task hung in do_coredump testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk program crashed: INFO: task hung in do_coredump testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program crashed: INFO: task hung in do_coredump validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program crashed: INFO: task hung in do_coredump validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-bind$inet6-listen-mount$9p_tcp-prctl$PR_SET_MM-brk detailed listing: executing program 0: creat(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x5ccc6e75, @rand_addr, 0x3}, 0x1c) listen(r0, 0x3) mount$9p_tcp(&(0x7f0000000100), &(0x7f0000000080)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='trans=tcp,port=0x0000000000004e22']) prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000001000/0x4000)=nil) brk(0x200000ffc000) program crashed: INFO: task hung in do_coredump validation run: crashed=true reproducing took 2h3m24.371859983s repro crashed as (corrupted=false): INFO: task syz.2.17:382 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:0 pid:382 tgid:382 ppid:372 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5945 [inline] __schedule+0x1322/0x1df0 kernel/sched/core.c:7791 __schedule_loop kernel/sched/core.c:7872 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7887 schedule_timeout+0xb2/0x3a0 kernel/time/timer.c:2595 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common+0x359/0x630 kernel/sched/completion.c:127 wait_for_completion_state+0x19/0x40 kernel/sched/completion.c:264 coredump_wait fs/coredump.c:419 [inline] do_coredump+0x7cf/0x2bd0 fs/coredump.c:581 get_signal+0x11fd/0x14f0 kernel/signal.c:2918 arch_do_signal_or_restart+0x96/0x720 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] irqentry_exit_to_user_mode+0x4e/0xb0 kernel/entry/common.c:231 irqentry_exit+0x16/0x60 kernel/entry/common.c:334 exc_page_fault+0x66/0xc0 arch/x86/mm/fault.c:1542 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f684b24f927 RSP: 002b:00007ffc0ee2e1e0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 000000000000000b RCX: 00000000000203a0 RDX: 00007ffc0ee2e200 RSI: 00007ffc0ee2e330 RDI: 000000000000000b RBP: 00007f684b5d7da0 R08: 00000000389b63f4 R09: 7fffffffffffffff R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000020a61 R13: 00007f684b5d6090 R14: ffffffffffffffff R15: 00007ffc0ef2ca20 NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xd8f/0xed0 kernel/hung_task.c:423 kthread+0x2c7/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106 Code: cc cc cc b8 b3 d4 1b 0d 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 93 f1 3a 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffffff87207da0 EFLAGS: 000002c6 RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff858c60ae RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000031eb4 RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6 R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87cb0ce8 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31e25a11b8 CR3: 000000010bbbe000 CR4: 00000000003526b0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:754 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791 default_idle_call+0x3f/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1a0/0x470 kernel/sched/idle.c:326 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424 rest_init+0x10b/0x130 init/main.c:748 start_kernel+0x46a/0x4bb init/main.c:1135 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x6a/0x7b arch/x86/kernel/head64.c:488 common_startup_64+0x13b/0x157 final repro crashed as (corrupted=false): INFO: task syz.2.17:382 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:0 pid:382 tgid:382 ppid:372 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5945 [inline] __schedule+0x1322/0x1df0 kernel/sched/core.c:7791 __schedule_loop kernel/sched/core.c:7872 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7887 schedule_timeout+0xb2/0x3a0 kernel/time/timer.c:2595 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common+0x359/0x630 kernel/sched/completion.c:127 wait_for_completion_state+0x19/0x40 kernel/sched/completion.c:264 coredump_wait fs/coredump.c:419 [inline] do_coredump+0x7cf/0x2bd0 fs/coredump.c:581 get_signal+0x11fd/0x14f0 kernel/signal.c:2918 arch_do_signal_or_restart+0x96/0x720 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] irqentry_exit_to_user_mode+0x4e/0xb0 kernel/entry/common.c:231 irqentry_exit+0x16/0x60 kernel/entry/common.c:334 exc_page_fault+0x66/0xc0 arch/x86/mm/fault.c:1542 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f684b24f927 RSP: 002b:00007ffc0ee2e1e0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 000000000000000b RCX: 00000000000203a0 RDX: 00007ffc0ee2e200 RSI: 00007ffc0ee2e330 RDI: 000000000000000b RBP: 00007f684b5d7da0 R08: 00000000389b63f4 R09: 7fffffffffffffff R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000020a61 R13: 00007f684b5d6090 R14: ffffffffffffffff R15: 00007ffc0ef2ca20 NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xd8f/0xed0 kernel/hung_task.c:423 kthread+0x2c7/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106 Code: cc cc cc b8 b3 d4 1b 0d 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 93 f1 3a 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffffff87207da0 EFLAGS: 000002c6 RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff858c60ae RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000031eb4 RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6 R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87cb0ce8 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31e25a11b8 CR3: 000000010bbbe000 CR4: 00000000003526b0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:754 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791 default_idle_call+0x3f/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1a0/0x470 kernel/sched/idle.c:326 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424 rest_init+0x10b/0x130 init/main.c:748 start_kernel+0x46a/0x4bb init/main.c:1135 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x6a/0x7b arch/x86/kernel/head64.c:488 common_startup_64+0x13b/0x157