/usr/local/go/src/runtime/panic.go:774 +0x72 runtime.sigpanic() /usr/local/go/src/runtime/signal_unix.go:378 +0x47c runtime.memclrNoHeapPointers(0xc002dee000, 0x12000) /usr/local/go/src/runtime/memclr_amd64.s:76 +0x113 runtime.(*mheap).alloc(0xd579e0, 0x9, 0x270010101, 0x2207cdc10) /usr/local/go/src/runtime/mheap.go:1098 +0xda runtime.largeAlloc(0x103f8, 0xc002470101, 0x2207cdc10) /usr/local/go/src/runtime/malloc.go:1138 +0x97 runtime.mallocgc.func1() /usr/local/go/src/runtime/malloc.go:1033 +0x46 runtime.systemstack(0x0) /usr/local/go/src/runtime/asm_amd64.s:370 +0x66 runtime.mstart() /usr/local/go/src/runtime/proc.go:1146 goroutine 16 [running]: runtime.systemstack_switch() /usr/local/go/src/runtime/asm_amd64.s:330 fp=0xc00215d038 sp=0xc00215d030 pc=0x45b510 runtime.mallocgc(0x103f8, 0x841940, 0x924501, 0x0) /usr/local/go/src/runtime/malloc.go:1032 +0x895 fp=0xc00215d0d8 sp=0xc00215d038 pc=0x40c3a5 runtime.makeslice(0x841940, 0x207f, 0x207f, 0xc00228cf80) /usr/local/go/src/runtime/slice.go:49 +0x6c fp=0xc00215d108 sp=0xc00215d0d8 pc=0x444dcc math/rand.(*Rand).Perm(0xc001e41ce0, 0x207f, 0x8f4c0d, 0xc000180a00, 0x0) /usr/local/go/src/math/rand/rand.go:218 +0x40 fp=0xc00215d150 sp=0xc00215d108 pc=0x4ef5a0 github.com/google/syzkaller/prog.(*randGen).resourceCentric(0xc002259860, 0xc001ec6280, 0xca82a0, 0x40c600, 0x0, 0x0, 0xc000180a01, 0x203000, 0x203000) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:844 +0x57 fp=0xc00215d2b0 sp=0xc00215d150 pc=0x793cb7 github.com/google/syzkaller/prog.(*ResourceType).generate(0xca82a0, 0xc002259860, 0xc001ec6280, 0x0, 0x8867a0, 0xc001e3bb70, 0x0, 0x20, 0x20) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:675 +0x27c fp=0xc00215d330 sp=0xc00215d2b0 pc=0x7918dc github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc002259860, 0xc001ec6280, 0x9b6a20, 0xca82a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:664 +0x450 fp=0xc00215d408 sp=0xc00215d330 pc=0x791260 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc002259860, 0xc001ec6280, 0xcb1620, 0x2, 0x2, 0xaaaaaaaaaaaaaa00, 0x38, 0x8, 0xc00215d580, 0x7927de, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:602 +0x116 fp=0xc00215d4e8 sp=0xc00215d408 pc=0x790af6 github.com/google/syzkaller/prog.(*StructType).generate(0xcb15e0, 0xc002259860, 0xc001ec6280, 0x0, 0xd6efe0, 0xc001e3bbc0, 0x0, 0x60, 0x60) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:786 +0x7c fp=0xc00215d590 sp=0xc00215d4e8 pc=0x792ebc github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc002259860, 0xc001ec6280, 0x9b6ae0, 0xcb15e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:664 +0x450 fp=0xc00215d668 sp=0xc00215d590 pc=0x791260 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc002259860, 0xc001ec6280, 0xd33f80, 0x6, 0x6, 0x203000, 0x203000, 0x203000, 0x6, 0xc000180a28, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:602 +0x116 fp=0xc00215d748 sp=0xc00215d668 pc=0x790af6 github.com/google/syzkaller/prog.(*StructType).generate(0xcb15a0, 0xc002259860, 0xc001ec6280, 0x0, 0xd6efe0, 0xc000042700, 0x24472a6d0, 0x0, 0x1) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:786 +0x7c fp=0xc00215d7f0 sp=0xc00215d748 pc=0x792ebc github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc002259860, 0xc001ec6280, 0x9b6ae0, 0xcb15a0, 0xc000180000, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:664 +0x450 fp=0xc00215d8c8 sp=0xc00215d7f0 pc=0x791260 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 github.com/google/syzkaller/prog.(*ArrayType).generate(0xcb4120, 0xc002259860, 0xc001ec6280, 0x0, 0xc00215da00, 0xc00215da08, 0x40be26, 0xc00249e000, 0x31a1897c32337826) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:778 +0x180 fp=0xc00215d9c0 sp=0xc00215d8c8 pc=0x792af0 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc002259860, 0xc001ec6280, 0x9b6360, 0xcb4120, 0xc002150000, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:664 +0x450 fp=0xc00215da98 sp=0xc00215d9c0 pc=0x791260 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 github.com/google/syzkaller/prog.(*PtrType).generate(0xca99a0, 0xc002259860, 0xc001ec6280, 0x0, 0x9b0760, 0xc001e3b8d0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:803 +0x123 fp=0xc00215db20 sp=0xc00215da98 pc=0x7932f3 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc002259860, 0xc001ec6280, 0x9b6960, 0xca99a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:664 +0x450 fp=0xc00215dbf8 sp=0xc00215db20 pc=0x791260 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc002259860, 0xc001ec6280, 0xd32fc0, 0x6, 0x6, 0x49f700, 0xc002707c00, 0x155, 0x155, 0x2671, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:602 +0x116 fp=0xc00215dcd8 sp=0xc00215dbf8 pc=0x790af6 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc002259860, 0xc001ec6280, 0xd23540, 0xc4, 0xc001ec6280, 0xc000180960) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:557 +0xd5 fp=0xc00215dd88 sp=0xc00215dcd8 pc=0x7900f5 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc002259860, 0xc001ec6280, 0xc001fbc880, 0x1, 0xc001fbc880, 0x0, 0xc001ec6280) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:546 +0x95 fp=0xc00215ddc8 sp=0xc00215dd88 pc=0x78ff95 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc00215dec0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:141 +0xf2 fp=0xc00215de30 sp=0xc00215ddc8 pc=0x784392 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc001fbc880, 0x9a9ba0, 0xc002382ea0, 0x14, 0xc0022b0600, 0xc002122000, 0x207f, 0x2400) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:45 +0x2ea fp=0xc00215df08 sp=0xc00215de30 pc=0x78356a main.(*Proc).loop(0xc002428f40) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:95 +0x434 fp=0xc00215dfd8 sp=0xc00215df08 pc=0x7f1274 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc00215dfe0 sp=0xc00215dfd8 pc=0x45d461 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:258 +0x1155 goroutine 1 [select]: main.(*Fuzzer).pollLoop(0xc0001682c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:319 +0x127 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:261 +0x12c6 goroutine 7 [syscall]: os/signal.signal_recv(0x0) /usr/local/go/src/runtime/sigqueue.go:147 +0x9c os/signal.loop() /usr/local/go/src/os/signal/signal_unix.go:23 +0x22 created by os/signal.init.0 /usr/local/go/src/os/signal/signal_unix.go:29 +0x41 goroutine 21 [chan receive]: github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1(0xc0001aa000) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:74 +0xb6 created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:71 +0x3f goroutine 28 [runnable]: syscall.Syscall(0x3, 0xb, 0xc001ecc7a0, 0xc, 0xc, 0xc, 0x0) /usr/local/go/src/syscall/asm_unix_amd64.s:19 +0x5 syscall.read(0xb, 0xc001ecc7a0, 0xc, 0xc, 0x0, 0x9a6e00, 0xc68658) /usr/local/go/src/syscall/zsyscall_openbsd_amd64.go:870 +0x5a syscall.Read(...) /usr/local/go/src/syscall/syscall_unix.go:183 internal/poll.(*FD).Read(0xc0022ac780, 0xc001ecc7a0, 0xc, 0xc, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:165 +0x164 os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc0014a4c98, 0xc001ecc7a0, 0xc, 0xc, 0xc0027a79c8, 0x40c698, 0x10) /usr/local/go/src/os/file.go:116 +0x71 io.ReadAtLeast(0x9a6140, 0xc0014a4c98, 0xc001ecc7a0, 0xc, 0xc, 0xc, 0x0, 0x3ff200, 0x3ff200) /usr/local/go/src/io/io.go:310 +0x87 io.ReadFull(...) /usr/local/go/src/io/io.go:329 github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000efea0, 0xc000188080, 0x0, 0x0, 0x0, 0x0, 0x0, 0x203000, 0x203000, 0x203000, ...) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:757 +0x282 github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc0001ae630, 0xc000188080, 0xc001ecbc40, 0xc0014a41e0, 0xc0027a7d28, 0x444ffe, 0x413b6a, 0xc00221da90, 0xc00221d988, 0x10) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:282 +0x108 main.(*Proc).executeRaw(0xc0022b0640, 0xc000188080, 0xc001ecbc40, 0x1, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:293 +0x25c main.(*Proc).execute(0xc0022b0640, 0xc000188080, 0xc001ecbc40, 0x0, 0x1, 0x1) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:251 +0x6a main.(*Proc).loop(0xc0022b0640) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:97 +0x4de created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:258 +0x1155 goroutine 22 [chan receive]: main.main.func1(0xc0001aa000) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:137 +0x34 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:135 +0x5b0 goroutine 26 [IO wait]: internal/poll.runtime_pollWait(0x205b36df8, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc00019c118, 0x72, 0x1000, 0x1000, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc00019c100, 0xc00028e000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf net.(*netFD).Read(0xc00019c100, 0xc00028e000, 0x1000, 0x1000, 0xc0002aba60, 0xc0002abb40, 0x7c7f0d) /usr/local/go/src/net/fd_unix.go:202 +0x4f net.(*conn).Read(0xc000180058, 0xc00028e000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/local/go/src/net/net.go:184 +0x68 bufio.(*Reader).fill(0xc00017a780) /usr/local/go/src/bufio/bufio.go:100 +0x103 bufio.(*Reader).ReadByte(0xc00017a780, 0xc0002abc00, 0xc00019c180, 0xc00000dae0) /usr/local/go/src/bufio/bufio.go:252 +0x39 compress/flate.(*decompressor).moreBits(0xc000288000, 0x923db0, 0xc0002abb88) /usr/local/go/src/compress/flate/inflate.go:696 +0x37 compress/flate.(*decompressor).nextBlock(0xc000288000) /usr/local/go/src/compress/flate/inflate.go:303 +0x36 compress/flate.(*decompressor).Read(0xc000288000, 0xc00029c000, 0x1000, 0x1000, 0x897260, 0xc00237b830, 0x199) /usr/local/go/src/compress/flate/inflate.go:347 +0x77 github.com/google/syzkaller/pkg/rpctype.(*flateConn).Read(0xc000196210, 0xc00029c000, 0x1000, 0x1000, 0x10, 0xc0002abb88, 0x7c7d6d) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:131 +0x51 bufio.(*Reader).Read(0xc00017a7e0, 0xc00016a0c0, 0x1, 0x9, 0x0, 0x0, 0xc0002abd70) /usr/local/go/src/bufio/bufio.go:226 +0x26a io.ReadAtLeast(0x9a59a0, 0xc00017a7e0, 0xc00016a0c0, 0x1, 0x9, 0x1, 0x1, 0x0, 0x0) /usr/local/go/src/io/io.go:310 +0x87 io.ReadFull(...) /usr/local/go/src/io/io.go:329 encoding/gob.decodeUintReader(0x9a59a0, 0xc00017a7e0, 0xc00016a0c0, 0x9, 0x9, 0x4050d5, 0x4307fc, 0xc0002abd48, 0x45a310) /usr/local/go/src/encoding/gob/decode.go:120 +0x6f encoding/gob.(*Decoder).recvMessage(0xc00019c180, 0x404fbc) /usr/local/go/src/encoding/gob/decoder.go:81 +0x57 encoding/gob.(*Decoder).decodeTypeSequence(0xc00019c180, 0xc000000100, 0xc0002abe10) /usr/local/go/src/encoding/gob/decoder.go:143 +0x10c encoding/gob.(*Decoder).DecodeValue(0xc00019c180, 0x831ca0, 0xc0001966f0, 0x16, 0x0, 0x0) /usr/local/go/src/encoding/gob/decoder.go:211 +0x10b encoding/gob.(*Decoder).Decode(0xc00019c180, 0x831ca0, 0xc0001966f0, 0x0, 0x0) /usr/local/go/src/encoding/gob/decoder.go:188 +0x16d net/rpc.(*gobClientCodec).ReadResponseHeader(0xc000196300, 0xc0001966f0, 0xc00237b800, 0x0) /usr/local/go/src/net/rpc/client.go:228 +0x45 net/rpc.(*Client).input(0xc00017a8a0) /usr/local/go/src/net/rpc/client.go:109 +0xa5 created by net/rpc.NewClientWithCodec /usr/local/go/src/net/rpc/client.go:206 +0x89 goroutine 29 [IO wait]: internal/poll.runtime_pollWait(0x205b36d28, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0022ac6d8, 0x72, 0x1ff01, 0x1ffd6, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0022ac6c0, 0xc00278202a, 0x1ffd6, 0x1ffd6, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc0014a4c88, 0xc00278202a, 0x1ffd6, 0x1ffd6, 0x2a, 0x0, 0x0) /usr/local/go/src/os/file.go:116 +0x71 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0014a4c88, 0xc0000efea0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:603 +0xaf created by github.com/google/syzkaller/pkg/ipc.makeCommand /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:597 +0x89f goroutine 434 [IO wait]: internal/poll.runtime_pollWait(0x205b36778, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0023e2bb8, 0x72, 0x1ff01, 0x1ffd6, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0023e2ba0, 0xc0027aa02a, 0x1ffd6, 0x1ffd6, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc00000f260, 0xc0027aa02a, 0x1ffd6, 0x1ffd6, 0x2a, 0x0, 0x0) /usr/local/go/src/os/file.go:116 +0x71 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc00000f260, 0xc001feccb0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:603 +0xaf created by github.com/google/syzkaller/pkg/ipc.makeCommand /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:597 +0x89f goroutine 452 [select]: github.com/google/syzkaller/pkg/ipc.(*command).exec.func1(0xc0000efea0, 0xc000ea28a0, 0xc000ea2840) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:742 +0xba created by github.com/google/syzkaller/pkg/ipc.(*command).exec /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:740 +0x19c OpenBSD/amd64 (ci-openbsd-multicore-4.c.syzkaller.internal) (tty00) login: panic: amap_wipeout: corrupt amap Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *194098 33484 0 0x14000 0x200 1K reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8222c7c0) at panic+0x15c sys/kern/subr_prf.c:207 amap_wipeout(fffffd8065054a40) at amap_wipeout+0x208 sys/uvm/uvm_amap.c:447 uvm_unmap_detach(ffff800020e5fb90,1) at uvm_unmap_detach+0x163 sys/uvm/uvm_map.c:1586 uvm_map_teardown(fffffd806e950738) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd806e950738) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ec8ba0) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020e195f0) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: 7 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic amap_wipeout: corrupt amap ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8222c7c0) at panic+0x15c sys/kern/subr_prf.c:207 amap_wipeout(fffffd8065054a40) at amap_wipeout+0x208 sys/uvm/uvm_amap.c:447 uvm_unmap_detach(ffff800020e5fb90,1) at uvm_unmap_detach+0x163 sys/uvm/uvm_map.c:1586 uvm_map_teardown(fffffd806e950738) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd806e950738) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ec8ba0) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020e195f0) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e5fa10 rbx 0xffff800020e5fac0 rdx 0xffff800020e195f0 rcx 0 rax 0 r8 0xffffffff810fbc8f kprintf+0x16f r9 0x1 r10 0x25 r11 0x86c248ff855f4dde r12 0x3000000008 r13 0xffff800020e5fa20 r14 0x100 r15 0x1 rip 0xffffffff811ab8d8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e5fa00 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) pid=194098 stat=onproc flags process=14000 proc=200 pri=4, usrpri=54, nice=20 forw=0xffffffffffffffff, list=0xffff800020e19380,0xffff800020e19ae0 process=0xffff800020e4c3e0 user=0xffff800020e5a000, vmspace=0xffffffff8264e968 estcpu=4, cpticks=15, pctcpu=0.28 user=0, sys=13, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 74635 78173 0 0 3 0x14200 bored sosplice 42819 477811 541 0 3 0x10008a pause ksh 541 224795 83642 0 3 0x92 select sshd 52023 437545 1 0 3 0x100083 ttyin getty 83642 397317 1 0 3 0x80 select sshd 18848 492822 57192 74 3 0x100092 bpf pflogd 57192 169336 1 0 3 0x80 netio pflogd 29709 85182 69662 73 3 0x100090 kqread syslogd 69662 505787 1 0 3 0x100082 netio syslogd 97359 3576 1 77 3 0x100090 poll dhclient 70382 130066 1 0 3 0x80 poll dhclient 47225 395602 0 0 2 0x40014200 smr 32213 117438 0 0 3 0x14200 pgzero zerothread 45622 12647 0 0 3 0x14200 aiodoned aiodoned 94962 293039 0 0 3 0x14200 syncer update 74681 473773 0 0 3 0x14200 cleaner cleaner *33484 194098 0 0 7 0x14200 reaper 85176 395207 0 0 3 0x14200 pgdaemon pagedaemon 16738 453723 0 0 3 0x14200 bored crynlk 96261 18168 0 0 3 0x14200 bored crypto 76794 438494 0 0 3 0x40014200 acpi0 acpi0 50760 400377 0 0 3 0x40014200 idle1 31922 168869 0 0 3 0x14200 bored softnet 57238 72549 0 0 3 0x14200 bored systqmp 93341 138340 0 0 3 0x14200 bored systq 45788 50924 0 0 3 0x40014200 bored softclock 51079 482702 0 0 7 0x40014200 idle0 1 231338 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 33484 (reaper) thread 0xffff800020e195f0 (194098) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82681848) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 uvm_pause+0x5b sys/uvm/uvm_glue.c:438 #2 uvm_unmap_detach+0x13a sys/uvm/uvm_map.c:1585 #3 uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 #4 uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 #5 uvm_exit+0x29 sys/uvm/uvm_glue.c:297 #6 reaper+0x189 sys/kern/kern_exit.c:456 #7 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9524 6418K 7314K 78643K 12225 0 pcb 13 8K 8K 78643K 93 0 rtable 100 3K 4K 78643K 320 0 ifaddr 80 15K 15K 78643K 127 0 counters 43 33K 34K 78643K 59 0 ioctlops 0 0K 4K 78643K 1480 0 iov 0 0K 16K 78643K 65 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1641 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 52 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1823 197K 290K 78643K 12980 0 file desc 3 8K 25K 78643K 468 0 sigio 0 0K 0K 78643K 9 0 proc 61 63K 95K 78643K 532 0 subproc 14 0K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 233 0 in_multi 55 2K 3K 78643K 133 0 ether_multi 1 0K 0K 78643K 19 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 246 0 pfkey data 0 0K 0K 78643K 2 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 77 36K 40K 78643K 2439 0 UVM aobj 21 7K 7K 78643K 21 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 88 0 NDP 13 0K 0K 78643K 28 0 temp 116 3042K 3107K 78643K 11660 0 kqueue 2 2K 12K 78643K 27 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 43 0 41 1 0 1 1 0 8 0 rtentry 112 63 0 23 2 0 2 2 0 8 0 unpcb 120 190 0 178 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 2 0 2 1 1 0 1 0 8 0 tcpqe 32 366 0 366 1 1 0 1 0 8 0 tcpcb 544 202 0 199 1 0 1 1 0 8 0 inpcb 280 470 0 464 4 2 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 11 0 7 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 4 0 4 2 2 0 1 0 8 0 pffrag 232 4 0 3 1 0 1 1 0 482 0 pffrnode 88 4 0 3 1 0 1 1 0 8 0 pffrent 40 53 0 52 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 53 0 12 1 0 1 1 0 8 0 pfstkey 112 53 0 12 2 0 2 2 0 8 0 pfstate 328 53 0 12 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 276 0 101 13 0 13 13 0 8 0 art_table 32 277 0 101 2 0 2 2 0 8 0 art_node 16 62 0 25 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 15 1 0 1 1 0 8 0 semapl 112 50 0 40 1 0 1 1 0 8 0 shmpl 112 19 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1992 0 587 89 0 89 89 0 8 0 ffsino 272 1992 0 587 94 0 94 94 0 8 0 nchpl 144 2811 0 1219 60 0 60 60 0 8 0 uvmvnodes 72 2406 0 0 44 0 44 44 0 8 0 vnodes 208 2406 0 0 127 0 127 127 0 8 0 namei 1024 7997 0 7997 1 0 1 1 0 8 1 percpumem 16 40 0 8 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 1 1 0 1 1 0 8 0 scxspl 192 7656 0 7656 8 7 1 7 0 8 1 plimitpl 152 44 0 36 1 0 1 1 0 8 0 sigapl 424 681 0 651 4 0 4 4 0 8 0 futexpl 56 6740 0 6740 1 0 1 1 0 8 1 knotepl 112 98 0 93 1 0 1 1 0 8 0 kqueuepl 144 64 0 63 1 0 1 1 0 8 0 pipelkpl 48 414 0 406 1 0 1 1 0 8 0 pipepl 120 828 0 817 1 0 1 1 0 8 0 fdescpl 496 665 0 651 3 0 3 3 0 8 0 filepl 152 4092 0 4024 5 0 5 5 0 8 1 lockfpl 104 46 0 45 1 0 1 1 0 8 0 lockfspl 48 18 0 17 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 404 0 395 1 0 1 1 0 8 0 zombiepl 144 653 0 650 1 0 1 1 0 8 0 processpl 984 681 0 650 5 0 5 5 0 8 0 procpl 624 1602 0 1571 4 0 4 4 0 8 0 sosppl 128 8 0 8 2 1 1 1 0 8 1 sockpl 400 706 0 686 4 0 4 4 0 8 1 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 178 0 0 22 0 22 22 0 8 0 mtagpl 80 186 0 0 4 0 4 4 0 8 0 mbufpl 256 790 0 0 48 0 48 48 0 8 0 bufpl 280 4061 0 133 281 0 281 281 0 8 0 anonpl 16 79792 0 78160 75 5 70 74 0 124 25 amapchunkpl 152 5049 0 4988 31 13 18 20 0 158 12 amappl16 192 3228 0 3153 56 16 40 52 0 8 28 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 52 0 48 1 0 1 1 0 8 0 amappl13 168 33 0 32 1 0 1 1 0 8 0 amappl12 160 13 0 10 2 1 1 1 0 8 0 amappl11 152 244 0 228 1 0 1 1 0 8 0 amappl10 144 19 0 16 1 0 1 1 0 8 0 amappl9 136 602 0 599 1 0 1 1 0 8 0 amappl8 128 601 0 597 2 0 2 2 0 8 0 amappl7 120 127 0 119 1 0 1 1 0 8 0 amappl6 112 216 0 215 1 0 1 1 0 8 0 amappl5 104 373 0 357 1 0 1 1 0 8 0 amappl4 96 696 0 668 1 0 1 1 0 8 0 amappl3 88 140 0 135 1 0 1 1 0 8 0 amappl2 80 4298 0 4240 2 0 2 2 0 8 0 amappl1 72 24211 0 23791 23 13 10 18 0 8 0 amappl 80 1877 0 1848 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 20 0 0 1 0 1 1 0 8 0 uaddrrnd 24 668 0 652 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 668 0 652 1 0 1 1 0 8 0 vmmpekpl 168 10034 0 10003 2 0 2 2 0 8 0 vmmpepl 168 87438 0 86418 135 18 117 117 0 357 52 vmsppl 368 667 0 651 2 0 2 2 0 8 0 pdppl 4096 1344 0 1304 6 0 6 6 0 8 0 pvpl 32 238483 0 235326 178 4 174 178 0 265 119 pmappl 232 667 0 651 3 1 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 297 0 3 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff824a9ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82681640) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82681640) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff824a9ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff824a9ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82681640) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82681640) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff824a9ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8222c7c0) at panic+0x15c sys/kern/subr_prf.c:207 amap_wipeout(fffffd8065054a40) at amap_wipeout+0x208 sys/uvm/uvm_amap.c:447 uvm_unmap_detach(ffff800020e5fb90,1) at uvm_unmap_detach+0x163 sys/uvm/uvm_map.c:1586 uvm_map_teardown(fffffd806e950738) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd806e950738) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ec8ba0) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020e195f0) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: 7 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8222c7c0) at panic+0x15c sys/kern/subr_prf.c:207 amap_wipeout(fffffd8065054a40) at amap_wipeout+0x208 sys/uvm/uvm_amap.c:447 uvm_unmap_detach(ffff800020e5fb90,1) at uvm_unmap_detach+0x163 sys/uvm/uvm_map.c:1586 uvm_map_teardown(fffffd806e950738) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd806e950738) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ec8ba0) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020e195f0) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -8