Extracting prog: 8m14.934573453s Minimizing prog: 1h9m27.486635319s Simplifying prog options: 19m58.704458737s Extracting C: 5m18.164957437s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) bind$bt_hci(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(0xffffffffffffffff, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, 0x0, 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, 0x0, 0x0, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, 0x0, 0x0) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {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}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear extracting C reproducer testing compiled C program (duration=6m0s, {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}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {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}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear validation run: crashed=true testing program (duration=6m0s, {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}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear validation run: crashed=true testing program (duration=6m0s, {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}}): bpf$MAP_CREATE-pwrite64-syz_init_net_socket$bt_hci-bind$bt_hci-write$binfmt_misc detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1400000007"], 0x50) pwrite64(0xffffffffffffffff, &(0x7f0000000000)='2', 0x1, 0x4fed0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6) write$binfmt_misc(r0, &(0x7f0000000000), 0xd) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f net/bluetooth/hci_sync.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in hci_cmd_sync_clear validation run: crashed=true reproducing took 1h57m19.976184629s repro crashed as (corrupted=false): INFO: task syz-executor:4439 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4439 ppid:1 flags:0x0000000d Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_timeout+0xc8/0x2f4 kernel/time/timer.c:2144 do_wait_for_common+0x28c/0x3ec kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x44/0x5c kernel/sched/completion.c:138 __flush_work+0x140/0x1ec kernel/workqueue.c:3076 __cancel_work_timer+0x2f8/0x450 kernel/workqueue.c:3163 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3199 hci_cmd_sync_clear+0x38/0x1e8 net/bluetooth/hci_sync.c:680 hci_unregister_dev+0x184/0x4c8 net/bluetooth/hci_core.c:2714 vhci_release+0x7c/0xcc drivers/bluetooth/hci_vhci.c:565 __fput+0x1b4/0x7b0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1f4/0x280 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x54c/0x19ac kernel/exit.c:887 do_group_exit+0x198/0x238 kernel/exit.c:1030 get_signal+0x11f4/0x133c kernel/signal.c:2884 do_signal arch/arm64/kernel/signal.c:1095 [inline] do_notify_resume+0x364/0x2c84 arch/arm64/kernel/signal.c:1148 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015597db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff8000155985d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015597440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by getty/4082: #0: ffff0000d11a4098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800020aab2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198 3 locks held by kworker/u5:1/4366: #0: ffff0000de9db938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800021107c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff0000cc9b11e0 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x180/0x32c net/bluetooth/hci_sync.c:327 3 locks held by syz.0.8265/12956: ============================================= final repro crashed as (corrupted=false): INFO: task syz-executor:4439 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4439 ppid:1 flags:0x0000000d Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_timeout+0xc8/0x2f4 kernel/time/timer.c:2144 do_wait_for_common+0x28c/0x3ec kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x44/0x5c kernel/sched/completion.c:138 __flush_work+0x140/0x1ec kernel/workqueue.c:3076 __cancel_work_timer+0x2f8/0x450 kernel/workqueue.c:3163 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3199 hci_cmd_sync_clear+0x38/0x1e8 net/bluetooth/hci_sync.c:680 hci_unregister_dev+0x184/0x4c8 net/bluetooth/hci_core.c:2714 vhci_release+0x7c/0xcc drivers/bluetooth/hci_vhci.c:565 __fput+0x1b4/0x7b0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1f4/0x280 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x54c/0x19ac kernel/exit.c:887 do_group_exit+0x198/0x238 kernel/exit.c:1030 get_signal+0x11f4/0x133c kernel/signal.c:2884 do_signal arch/arm64/kernel/signal.c:1095 [inline] do_notify_resume+0x364/0x2c84 arch/arm64/kernel/signal.c:1148 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015597db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff8000155985d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015597440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by getty/4082: #0: ffff0000d11a4098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800020aab2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198 3 locks held by kworker/u5:1/4366: #0: ffff0000de9db938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800021107c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff0000cc9b11e0 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x180/0x32c net/bluetooth/hci_sync.c:327 3 locks held by syz.0.8265/12956: =============================================