Extracting prog: 26m4.731559378s Minimizing prog: 4h16m39.533857192s Simplifying prog options: 12m14.747526527s Extracting C: 4m40.618782732s Simplifying C: 0s extracting reproducer from 68 programs testing a last program of every proc single: executing 18 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}}): syz_open_procfs-setresuid-fchdir detailed listing: executing program 0: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='fd\x00') setresuid(0xffffffffffffffff, 0xee00, 0xffffffffffffffff) fchdir(r0) 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}}): pselect6-openat$vhost_vsock-ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES detailed listing: executing program 0: pselect6(0x0, 0x0, &(0x7f0000000000)={0x2100000001f, 0x0, 0x0, 0x3, 0x0, 0x401, 0xfffffffffffffffc}, 0x0, 0x0, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES(r0, 0x4001af84, &(0x7f0000000000)) 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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-ioctl$SIOCSIFHWADDR-sched_setscheduler-bpf$MAP_CREATE_TAIL_CALL-bpf$PROG_LOAD-bpf$BPF_GET_PROG_INFO detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) ioctl$SIOCSIFHWADDR(r8, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r9 = bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x3, 0x8, &(0x7f0000000940)=@framed={{0x18, 0x7}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r9}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x100000}}]}, &(0x7f0000000980)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) 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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-ioctl$SIOCSIFHWADDR-sched_setscheduler-bpf$MAP_CREATE_TAIL_CALL-bpf$PROG_LOAD-bpf$BPF_GET_PROG_INFO detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) ioctl$SIOCSIFHWADDR(r8, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r9 = bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x3, 0x8, &(0x7f0000000940)=@framed={{0x18, 0x7}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r9}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x100000}}]}, &(0x7f0000000980)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) program crashed: INFO: task hung in addrconf_dad_work single: successfully extracted reproducer found reproducer with 29 syscalls minimizing guilty program testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-ioctl$SIOCSIFHWADDR-sched_setscheduler-bpf$MAP_CREATE_TAIL_CALL-bpf$PROG_LOAD detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) ioctl$SIOCSIFHWADDR(r8, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r9 = bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x3, 0x8, &(0x7f0000000940)=@framed={{0x18, 0x7}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r9}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x100000}}]}, &(0x7f0000000980)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in addrconf_dad_work testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-ioctl$SIOCSIFHWADDR-sched_setscheduler-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) ioctl$SIOCSIFHWADDR(r8, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in addrconf_dad_work testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-ioctl$SIOCSIFHWADDR-sched_setscheduler detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) ioctl$SIOCSIFHWADDR(r8, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) ioctl$SIOCSIFHWADDR(r8, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-dup-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) dup(r7) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in tun_chr_close testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETIFF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$tun-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(0xffffffffffffffff, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in addrconf_dad_work testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r5, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mmap-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "9595f429ae08a565c9a41d413a70a44d2e6f790a3872d50bb14d25344dc5b3a281f175f5ee04aab21301b94d966c72c15a143c69205625466855101cf44d89d9f6ee47d77c0d4e53e34b67c542fc6f6f6c60139c43b78286f5bb8f4f11d164af24e2633a45bf4ed944b0ef6a7b7167f73cf54e78686ac09402659c29eb0ce380654c1bb0f61d255b1556b7a311096b7aab867396997ffab76abca01185b08d1e29ee14d8fe61245487104b1c5205c6adc794ba413b92d2d208b86f40983c4819c33b59c1abe2a4b0aa661fcb54e0855d6bb5dd267878ff59bcfc6079e7a5e0135118be22dc6c97e730f7053d6ec34ca11b5c7c3830af6b26868600f042ff"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "9595f429ae08a565c9a41d413a70a44d2e6f790a3872d50bb14d25344dc5b3a281f175f5ee04aab21301b94d966c72c15a143c69205625466855101cf44d89d9f6ee47d77c0d4e53e34b67c542fc6f6f6c60139c43b78286f5bb8f4f11d164af24e2633a45bf4ed944b0ef6a7b7167f73cf54e78686ac09402659c29eb0ce380654c1bb0f61d255b1556b7a311096b7aab867396997ffab76abca01185b08d1e29ee14d8fe61245487104b1c5205c6adc794ba413b92d2d208b86f40983c4819c33b59c1abe2a4b0aa661fcb54e0855d6bb5dd267878ff59bcfc6079e7a5e0135118be22dc6c97e730f7053d6ec34ca11b5c7c3830af6b26868600f042ff"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r5, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in addrconf_dad_work testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-getpid-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-sched_setscheduler-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-syz_emit_ethernet-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r5, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-bind$inet6-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e20, 0xf63, @loopback={0xffffffffffff0000}, 0x1}, 0x1c) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r5, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-socket$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$key(0xf, 0x3, 0x2) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-recvmmsg-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in inet_rtm_newaddr testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-socket$inet6_icmp_raw-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in netdev_rx_mode_work testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in addrconf_dad_work testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-setpgid-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) setpgid(0x0, r0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(r0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): syz_clone-ioctl$sock_SIOCGPGRP-setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in addrconf_dad_work testing program (duration=8m29.583394363s, {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}}): syz_clone-setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: r0 = syz_clone(0x1008211, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(0x0, r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x3, 0x0, &(0x7f0000000140)={&(0x7f0000001600)={0x2, 0x3, 0x0, 0x2, 0x9, 0x0, 0x0, 0x0, [@sadb_key={0x1, 0x8}, @sadb_address={0x3, 0x6}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}]}, 0x48}, 0x1, 0x7}, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x15e, &(0x7f00000003c0)={@random="e33110495bfd", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x12}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x128, 0x3a, 0xff, @dev, @local, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @rand_addr=' \x01\x00', @private1, [{0x4, 0x20, "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"}]}}}}}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in inet_rtm_newaddr testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in udp_tunnel_nic_device_sync_work testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000040)=0x3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program did not crash testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000740)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) program crashed: INFO: task hung in linkwatch_event testing program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x0) program crashed: INFO: task hung in addrconf_dad_work extracting C reproducer testing compiled C program (duration=8m29.583394363s, {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}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL program crashed: INFO: task hung in crda_timeout_work a never seen crash title: INFO: task hung in crda_timeout_work, ignore simplifying guilty program options testing program (duration=8m29.583394363s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x0) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=8m29.583394363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=8m29.583394363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x0) program crashed: INFO: task hung in linkwatch_event validation run: crashed=true testing program (duration=8m29.583394363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x0) program crashed: INFO: task hung in linkwatch_event validation run: crashed=true testing program (duration=8m29.583394363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setpgid-prlimit64-sendmsg$key-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-connect$unix-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETSNDBUF-socket$inet6_tcp-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_TAIL_CALL detailed listing: executing program 0: setpgid(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, 0x0) bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x0) program crashed: INFO: task hung in linkwatch_event validation run: crashed=true reproducing took 5h12m7.054888134s repro crashed as (corrupted=false): INFO: task kworker/u8:4:66 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:4 state:D stack:21504 pid:66 tgid:66 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 linkwatch_event+0xe/0x60 net/core/link_watch.c:313 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task kworker/u8:5:123 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:21536 pid:123 tgid:123 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 rtnl_net_lock include/linux/rtnetlink.h:130 [inline] addrconf_dad_work+0x124/0x1680 net/ipv6/addrconf.c:4206 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task kworker/u8:16:4094 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:16 state:D stack:24664 pid:4094 tgid:4094 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 udp_tunnel_nic_device_sync_work+0x29/0xa10 net/ipv4/udp_tunnel_nic.c:736 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:5756 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:22160 pid:5756 tgid:5756 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 rtnl_net_lock include/linux/rtnetlink.h:130 [inline] inet6_rtm_newaddr+0x65f/0xe30 net/ipv6/addrconf.c:5039 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6995 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x780/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] __sys_sendto+0x67f/0x710 net/socket.c:2265 __do_sys_sendto net/socket.c:2272 [inline] __se_sys_sendto net/socket.c:2268 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2268 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f53fee7d60e RSP: 002b:00007ffe25fd3208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055556caa5500 RCX: 00007f53fee7d60e RDX: 0000000000000040 RSI: 00007f53ffc64670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffe25fd3284 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f53ffc64670 R15: 0000000000000000 INFO: task syz-executor:5763 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:22200 pid:5763 tgid:5763 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 rtnl_net_lock include/linux/rtnetlink.h:130 [inline] inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6995 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x780/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] __sys_sendto+0x67f/0x710 net/socket.c:2265 __do_sys_sendto net/socket.c:2272 [inline] __se_sys_sendto net/socket.c:2268 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2268 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe34158d60e RSP: 002b:00007ffff0625dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055556ac0d500 RCX: 00007fe34158d60e RDX: 0000000000000028 RSI: 00007fe342374670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffff0625e44 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fe342374670 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/38: #0: ffffffff8dfc8140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8dfc8140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8dfc8140 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:4/66: #0: ffff88801a074138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff88801a074138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc9000151fc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc9000151fc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:313 3 locks held by kworker/u8:5/123: #0: ffff888032fd1138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff888032fd1138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc900015dfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc900015dfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x124/0x1680 net/ipv6/addrconf.c:4206 4 locks held by kworker/u8:10/1364: 3 locks held by kworker/u8:16/4094: #0: ffff88803712e138 ((wq_completion)udp_tunnel_nic){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff88803712e138 ((wq_completion)udp_tunnel_nic){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc9000fb5fc40 ((work_completion)(&utn->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc9000fb5fc40 ((work_completion)(&utn->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: udp_tunnel_nic_device_sync_work+0x29/0xa10 net/ipv4/udp_tunnel_nic.c:736 2 locks held by getty/5355: #0: ffff88803731b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0 drivers/tty/n_tty.c:2211 1 lock held by syz-executor/5756: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x65f/0xe30 net/ipv6/addrconf.c:5039 1 lock held by syz-executor/5763: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 3 locks held by kworker/0:6/5772: #0: ffff88801a036538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff88801a036538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc90003fa7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc90003fa7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xab/0x1090 net/wireless/reg.c:2466 1 lock held by syz-executor/7078: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/7087: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/8589: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/8597: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/10121: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/10130: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz.1.1197/10404: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x41/0x1c0 drivers/net/tun.c:3438 1 lock held by syz.3.1198/10408: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 1 lock held by syz.3.1198/10409: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 1 lock held by syz.2.1199/10412: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 1 lock held by syz.2.1199/10413: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd3/0x1030 kernel/hung_task.c:561 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1364 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: bat_events batadv_tt_purge RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4879 [inline] RIP: 0010:__lock_acquire+0x524/0x2cf0 kernel/locking/lockdep.c:5187 Code: 00 48 83 c3 28 41 89 c4 49 39 cf 0f 8d c7 00 00 00 49 83 ff 31 0f 83 83 00 00 00 8b 03 25 ff 1f 00 00 48 0f a3 05 0c 9d d1 11 <73> 10 48 69 c0 c8 00 00 00 48 8d 88 30 e3 12 93 eb 32 83 3d 13 2d RSP: 0018:ffffc900067bf798 EFLAGS: 00000003 RAX: 000000000000000b RBX: ffff8880296268d0 RCX: 0000000000000004 RDX: 0000000000000003 RSI: 0000000000000005 RDI: 0000000000000000 RBP: ffff8880296268d8 R08: ffffffff8aeac5c8 R09: ffff88805e3407d8 R10: dffffc0000000000 R11: fffffbfff1f11a1f R12: 0000000000000003 R13: ffff8880296268d8 R14: ffff888029625c40 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff88812627d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f27ad59dd58 CR3: 000000003fa90000 CR4: 00000000003526f0 Call Trace: lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 rt_spin_lock+0x83/0x400 kernel/locking/spinlock_rt.c:56 spin_lock_bh include/linux/spinlock_rt.h:90 [inline] batadv_tt_global_purge net/batman-adv/translation-table.c:2235 [inline] batadv_tt_purge+0x138/0xa10 net/batman-adv/translation-table.c:3515 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): INFO: task kworker/u8:4:66 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:4 state:D stack:21504 pid:66 tgid:66 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 linkwatch_event+0xe/0x60 net/core/link_watch.c:313 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task kworker/u8:5:123 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:21536 pid:123 tgid:123 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 rtnl_net_lock include/linux/rtnetlink.h:130 [inline] addrconf_dad_work+0x124/0x1680 net/ipv6/addrconf.c:4206 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task kworker/u8:16:4094 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:16 state:D stack:24664 pid:4094 tgid:4094 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 udp_tunnel_nic_device_sync_work+0x29/0xa10 net/ipv4/udp_tunnel_nic.c:736 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:5756 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:22160 pid:5756 tgid:5756 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 rtnl_net_lock include/linux/rtnetlink.h:130 [inline] inet6_rtm_newaddr+0x65f/0xe30 net/ipv6/addrconf.c:5039 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6995 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x780/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] __sys_sendto+0x67f/0x710 net/socket.c:2265 __do_sys_sendto net/socket.c:2272 [inline] __se_sys_sendto net/socket.c:2268 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2268 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f53fee7d60e RSP: 002b:00007ffe25fd3208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055556caa5500 RCX: 00007f53fee7d60e RDX: 0000000000000040 RSI: 00007f53ffc64670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffe25fd3284 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f53ffc64670 R15: 0000000000000000 INFO: task syz-executor:5763 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:22200 pid:5763 tgid:5763 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x1681/0x54c0 kernel/sched/core.c:7188 __schedule_loop kernel/sched/core.c:7267 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7563 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1662 __rt_mutex_slowlock kernel/locking/rtmutex.c:1739 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1779 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1819 __rt_mutex_lock kernel/locking/rtmutex.c:1834 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:535 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:553 rtnl_net_lock include/linux/rtnetlink.h:130 [inline] inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6995 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x780/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] __sys_sendto+0x67f/0x710 net/socket.c:2265 __do_sys_sendto net/socket.c:2272 [inline] __se_sys_sendto net/socket.c:2268 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2268 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe34158d60e RSP: 002b:00007ffff0625dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055556ac0d500 RCX: 00007fe34158d60e RDX: 0000000000000028 RSI: 00007fe342374670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffff0625e44 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fe342374670 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/38: #0: ffffffff8dfc8140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8dfc8140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8dfc8140 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:4/66: #0: ffff88801a074138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff88801a074138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc9000151fc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc9000151fc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:313 3 locks held by kworker/u8:5/123: #0: ffff888032fd1138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff888032fd1138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc900015dfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc900015dfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x124/0x1680 net/ipv6/addrconf.c:4206 4 locks held by kworker/u8:10/1364: 3 locks held by kworker/u8:16/4094: #0: ffff88803712e138 ((wq_completion)udp_tunnel_nic){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff88803712e138 ((wq_completion)udp_tunnel_nic){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc9000fb5fc40 ((work_completion)(&utn->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc9000fb5fc40 ((work_completion)(&utn->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: udp_tunnel_nic_device_sync_work+0x29/0xa10 net/ipv4/udp_tunnel_nic.c:736 2 locks held by getty/5355: #0: ffff88803731b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0 drivers/tty/n_tty.c:2211 1 lock held by syz-executor/5756: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x65f/0xe30 net/ipv6/addrconf.c:5039 1 lock held by syz-executor/5763: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 3 locks held by kworker/0:6/5772: #0: ffff88801a036538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline] #0: ffff88801a036538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385 #1: ffffc90003fa7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline] #1: ffffc90003fa7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385 #2: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xab/0x1090 net/wireless/reg.c:2466 1 lock held by syz-executor/7078: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/7087: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/8589: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/8597: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/10121: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz-executor/10130: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0 net/ipv4/devinet.c:978 1 lock held by syz.1.1197/10404: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline] #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x41/0x1c0 drivers/net/tun.c:3438 1 lock held by syz.3.1198/10408: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 1 lock held by syz.3.1198/10409: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 1 lock held by syz.2.1199/10412: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 1 lock held by syz.2.1199/10413: #0: ffffffff8f355e78 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x3bf/0x1e10 drivers/net/tun.c:3080 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd3/0x1030 kernel/hung_task.c:561 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1364 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: bat_events batadv_tt_purge RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4879 [inline] RIP: 0010:__lock_acquire+0x524/0x2cf0 kernel/locking/lockdep.c:5187 Code: 00 48 83 c3 28 41 89 c4 49 39 cf 0f 8d c7 00 00 00 49 83 ff 31 0f 83 83 00 00 00 8b 03 25 ff 1f 00 00 48 0f a3 05 0c 9d d1 11 <73> 10 48 69 c0 c8 00 00 00 48 8d 88 30 e3 12 93 eb 32 83 3d 13 2d RSP: 0018:ffffc900067bf798 EFLAGS: 00000003 RAX: 000000000000000b RBX: ffff8880296268d0 RCX: 0000000000000004 RDX: 0000000000000003 RSI: 0000000000000005 RDI: 0000000000000000 RBP: ffff8880296268d8 R08: ffffffff8aeac5c8 R09: ffff88805e3407d8 R10: dffffc0000000000 R11: fffffbfff1f11a1f R12: 0000000000000003 R13: ffff8880296268d8 R14: ffff888029625c40 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff88812627d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f27ad59dd58 CR3: 000000003fa90000 CR4: 00000000003526f0 Call Trace: lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 rt_spin_lock+0x83/0x400 kernel/locking/spinlock_rt.c:56 spin_lock_bh include/linux/spinlock_rt.h:90 [inline] batadv_tt_global_purge net/batman-adv/translation-table.c:2235 [inline] batadv_tt_purge+0x138/0xa10 net/batman-adv/translation-table.c:3515 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245