Extracting prog: 1m19.897775862s Minimizing prog: 13m44.398073955s Simplifying prog options: 2m32.408369357s Extracting C: 35.07075355s Simplifying C: 7m15.584926161s 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp-bpf$BPF_PROG_WITH_BTFID_LOAD-bpf$PROG_LOAD-mkdir-mount-lseek-chmod detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0xc, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x61}, @printk={@p, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x9b}}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) mkdir(&(0x7f00000020c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='configfs\x00', 0x0, 0x0) lseek(0xffffffffffffffff, 0xfffffffffffffffe, 0x1) chmod(0x0, 0x0) program crashed: possible deadlock in lapbeth_device_event single: successfully extracted reproducer found reproducer with 19 syscalls minimizing guilty program testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp-bpf$BPF_PROG_WITH_BTFID_LOAD-bpf$PROG_LOAD-mkdir-mount-lseek detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0xc, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x61}, @printk={@p, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x9b}}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) mkdir(&(0x7f00000020c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='configfs\x00', 0x0, 0x0) lseek(0xffffffffffffffff, 0xfffffffffffffffe, 0x1) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp-bpf$BPF_PROG_WITH_BTFID_LOAD-bpf$PROG_LOAD-mkdir-mount detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0xc, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x61}, @printk={@p, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x9b}}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) mkdir(&(0x7f00000020c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='configfs\x00', 0x0, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp-bpf$BPF_PROG_WITH_BTFID_LOAD-bpf$PROG_LOAD-mkdir detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0xc, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x61}, @printk={@p, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x9b}}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) mkdir(&(0x7f00000020c0)='./file0\x00', 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp-bpf$BPF_PROG_WITH_BTFID_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0xc, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x61}, @printk={@p, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x9b}}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp-bpf$BPF_PROG_WITH_BTFID_LOAD detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) program did not crash testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) socket$inet6_tcp(0xa, 0x1, 0x0) program did not crash testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-sched_setscheduler-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program did not crash testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-prlimit64-getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-write$tcp_mem-getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, 0x0, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-mount$overlay-getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) mount$overlay(0x0, 0x0, 0x0, 0x0, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): inotify_init1-getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: inotify_init1(0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event extracting C reproducer testing compiled C program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program did not crash simplifying guilty program options testing program (duration=39.276564247s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event extracting C reproducer testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program did not crash testing program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp detailed listing: executing program 0: getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) program crashed: possible deadlock in lapbeth_device_event extracting C reproducer testing compiled C program (duration=39.276564247s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event simplifying C reproducer testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program did not crash testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program did not crash testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event testing compiled C program (duration=39.276564247s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpid-mmap-socket$inet6_tcp program crashed: possible deadlock in lapbeth_device_event reproducing took 25m51.487700952s repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 6.14.0-syzkaller-12245-g91e5bfe317d8 #0 Not tainted -------------------------------------------- dhcpcd/5658 is trying to acquire lock: ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: netif_napi_add_weight include/linux/netdevice.h:2783 [inline] ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline] ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460 but task is already holding lock: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline] ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by dhcpcd/5658: #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x26d/0x1f50 net/ipv4/devinet.c:1121 #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline] #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67 stack backtrace: CPU: 2 UID: 0 PID: 5658 Comm: dhcpcd Not tainted 6.14.0-syzkaller-12245-g91e5bfe317d8 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_deadlock_bug+0x1e9/0x240 kernel/locking/lockdep.c:3042 check_deadlock kernel/locking/lockdep.c:3094 [inline] validate_chain kernel/locking/lockdep.c:3896 [inline] __lock_acquire+0xff7/0x1ba0 kernel/locking/lockdep.c:5235 lock_acquire kernel/locking/lockdep.c:5866 [inline] lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5823 __mutex_lock_common kernel/locking/mutex.c:601 [inline] __mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746 netdev_lock include/linux/netdevice.h:2751 [inline] netif_napi_add_weight include/linux/netdevice.h:2783 [inline] lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline] lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460 notifier_call_chain+0xb9/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2180 call_netdevice_notifiers_extack net/core/dev.c:2218 [inline] call_netdevice_notifiers net/core/dev.c:2232 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9409 netif_change_flags+0x108/0x160 net/core/dev.c:9438 dev_change_flags+0xba/0x250 net/core/dev_api.c:68 devinet_ioctl+0x11d5/0x1f50 net/ipv4/devinet.c:1200 inet_ioctl+0x3a7/0x3f0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0x115/0x280 net/socket.c:1190 sock_ioctl+0x227/0x6b0 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5b2072fd49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffeea2e78b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5b206616c0 RCX: 00007f5b2072fd49 RDX: 00007ffeea2f7aa8 RSI: 0000000000008914 RDI: 000000000000001b RBP: 00007ffeea307c68 R08: 00007ffeea2f7a68 R09: 00007ffeea2f7a18 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeea2f7aa8 R14: 0000000000000028 R15: 0000000000008914 final repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 6.14.0-syzkaller-12245-g91e5bfe317d8 #0 Not tainted -------------------------------------------- dhcpcd/5658 is trying to acquire lock: ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: netif_napi_add_weight include/linux/netdevice.h:2783 [inline] ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline] ffff8880311fcd30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460 but task is already holding lock: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline] ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by dhcpcd/5658: #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x26d/0x1f50 net/ipv4/devinet.c:1121 #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline] #1: ffff88803aefcd30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67 stack backtrace: CPU: 2 UID: 0 PID: 5658 Comm: dhcpcd Not tainted 6.14.0-syzkaller-12245-g91e5bfe317d8 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_deadlock_bug+0x1e9/0x240 kernel/locking/lockdep.c:3042 check_deadlock kernel/locking/lockdep.c:3094 [inline] validate_chain kernel/locking/lockdep.c:3896 [inline] __lock_acquire+0xff7/0x1ba0 kernel/locking/lockdep.c:5235 lock_acquire kernel/locking/lockdep.c:5866 [inline] lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5823 __mutex_lock_common kernel/locking/mutex.c:601 [inline] __mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746 netdev_lock include/linux/netdevice.h:2751 [inline] netif_napi_add_weight include/linux/netdevice.h:2783 [inline] lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline] lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460 notifier_call_chain+0xb9/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2180 call_netdevice_notifiers_extack net/core/dev.c:2218 [inline] call_netdevice_notifiers net/core/dev.c:2232 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9409 netif_change_flags+0x108/0x160 net/core/dev.c:9438 dev_change_flags+0xba/0x250 net/core/dev_api.c:68 devinet_ioctl+0x11d5/0x1f50 net/ipv4/devinet.c:1200 inet_ioctl+0x3a7/0x3f0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0x115/0x280 net/socket.c:1190 sock_ioctl+0x227/0x6b0 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5b2072fd49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffeea2e78b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5b206616c0 RCX: 00007f5b2072fd49 RDX: 00007ffeea2f7aa8 RSI: 0000000000008914 RDI: 000000000000001b RBP: 00007ffeea307c68 R08: 00007ffeea2f7a68 R09: 00007ffeea2f7a18 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeea2f7aa8 R14: 0000000000000028 R15: 0000000000008914