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SIGSEGV on 1.17.1 #18

@deltamualpha

Description

@deltamualpha

MacOS, fully updated, crashes immediately whenever I try to use gow for anything. 99% sure it worked on 1.17...

I can't tell if this is a bug in gow, github.com/rjeczalik/notify, or the runtime itself, but I'm starting here.

Stacktrace attached.
gow -c test -cover ./...
fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0xb01dfacedebac1e pc=0x7fff204a6c9e]

runtime stack:
runtime: unexpected return pc for runtime.sigpanic called from 0x7fff204a6c9e
stack: frame={sp:0x7ffeefbff5d8, fp:0x7ffeefbff628} stack=[0x7ffeefb80678,0x7ffeefbff6e0)
0x00007ffeefbff4d8:  0x01007ffeefbff4f8  0x0000000000000004 
0x00007ffeefbff4e8:  0x000000000000001f  0x00007fff204a6c9e 
0x00007ffeefbff4f8:  0x0b01dfacedebac1e  0x0000000000000001 
0x00007ffeefbff508:  0x00000000040348f1 <runtime.throw+0x0000000000000071>  0x00007ffeefbff5a8 
0x00007ffeefbff518:  0x00000000040fd9b8  0x00007ffeefbff560 
0x00007ffeefbff528:  0x0000000004034ba8 <runtime.fatalthrow.func1+0x0000000000000048>  0x00000000041cb6e0 
0x00007ffeefbff538:  0x0000000000000001  0x0000000000000001 
0x00007ffeefbff548:  0x00007ffeefbff5a8  0x00000000040348f1 <runtime.throw+0x0000000000000071> 
0x00007ffeefbff558:  0x00000000041cb6e0  0x00007ffeefbff598 
0x00007ffeefbff568:  0x0000000004034b30 <runtime.fatalthrow+0x0000000000000050>  0x00007ffeefbff578 
0x00007ffeefbff578:  0x0000000004034b60 <runtime.fatalthrow.func1+0x0000000000000000>  0x00000000041cb6e0 
0x00007ffeefbff588:  0x00000000040348f1 <runtime.throw+0x0000000000000071>  0x00007ffeefbff5a8 
0x00007ffeefbff598:  0x00007ffeefbff5c8  0x00000000040348f1 <runtime.throw+0x0000000000000071> 
0x00007ffeefbff5a8:  0x00007ffeefbff5b0  0x0000000004034920 <runtime.throw.func1+0x0000000000000000> 
0x00007ffeefbff5b8:  0x00000000040ffa7b  0x000000000000002a 
0x00007ffeefbff5c8:  0x00007ffeefbff618  0x000000000404a416 <runtime.sigpanic+0x0000000000000396> 
0x00007ffeefbff5d8: <0x00000000040ffa7b  0x0000000005b040f0 
0x00007ffeefbff5e8:  0x00007ffeefbff658  0x0000000004028006 <runtime.(*mheap).allocSpan+0x0000000000000546> 
0x00007ffeefbff5f8:  0x000000c000136000  0x0000000000002000 
0x00007ffeefbff608:  0x000000c000000008  0x0000000000000000 
0x00007ffeefbff618:  0x00007ffeefbff660 !0x00007fff204a6c9e 
0x00007ffeefbff628: >0x00007ffeefbff660  0x00000000041b0000 
0x00007ffeefbff638:  0x00000000000002e9  0x0000000004083e85 <golang.org/x/sys/unix.libc_ioctl_trampoline+0x0000000000000005> 
0x00007ffeefbff648:  0x000000000406539f <runtime.syscall+0x000000000000001f>  0x000000c000125b88 
0x00007ffeefbff658:  0x00000000041cbac0  0x000000c000125b58 
0x00007ffeefbff668:  0x0000000004063230 <runtime.asmcgocall+0x0000000000000070>  0x00007ffeefbff6a0 
0x00007ffeefbff678:  0x000000000400fe8e <runtime.persistentalloc.func1+0x000000000000002e>  0x0000000000000030 
0x00007ffeefbff688:  0x0000000000000010  0x00000000041fb7a0 
0x00007ffeefbff698:  0x00000000000004d0  0x000000c0000001a0 
0x00007ffeefbff6a8:  0x0000000004061349 <runtime.systemstack+0x0000000000000049>  0x0000000000000004 
0x00007ffeefbff6b8:  0x000000000411d170  0x00000000041cb6e0 
0x00007ffeefbff6c8:  0x00007ffeefbff718  0x0000000004061245 <runtime.mstart+0x0000000000000005> 
0x00007ffeefbff6d8:  0x00000000040611fd <runtime.rt0_go+0x000000000000013d> 
runtime.throw({0x40ffa7b, 0x5b040f0})
        /usr/local/Cellar/go/1.17.1/libexec/src/runtime/panic.go:1198 +0x71
runtime: unexpected return pc for runtime.sigpanic called from 0x7fff204a6c9e
stack: frame={sp:0x7ffeefbff5d8, fp:0x7ffeefbff628} stack=[0x7ffeefb80678,0x7ffeefbff6e0)
0x00007ffeefbff4d8:  0x01007ffeefbff4f8  0x0000000000000004 
0x00007ffeefbff4e8:  0x000000000000001f  0x00007fff204a6c9e 
0x00007ffeefbff4f8:  0x0b01dfacedebac1e  0x0000000000000001 
0x00007ffeefbff508:  0x00000000040348f1 <runtime.throw+0x0000000000000071>  0x00007ffeefbff5a8 
0x00007ffeefbff518:  0x00000000040fd9b8  0x00007ffeefbff560 
0x00007ffeefbff528:  0x0000000004034ba8 <runtime.fatalthrow.func1+0x0000000000000048>  0x00000000041cb6e0 
0x00007ffeefbff538:  0x0000000000000001  0x0000000000000001 
0x00007ffeefbff548:  0x00007ffeefbff5a8  0x00000000040348f1 <runtime.throw+0x0000000000000071> 
0x00007ffeefbff558:  0x00000000041cb6e0  0x00007ffeefbff598 
0x00007ffeefbff568:  0x0000000004034b30 <runtime.fatalthrow+0x0000000000000050>  0x00007ffeefbff578 
0x00007ffeefbff578:  0x0000000004034b60 <runtime.fatalthrow.func1+0x0000000000000000>  0x00000000041cb6e0 
0x00007ffeefbff588:  0x00000000040348f1 <runtime.throw+0x0000000000000071>  0x00007ffeefbff5a8 
0x00007ffeefbff598:  0x00007ffeefbff5c8  0x00000000040348f1 <runtime.throw+0x0000000000000071> 
0x00007ffeefbff5a8:  0x00007ffeefbff5b0  0x0000000004034920 <runtime.throw.func1+0x0000000000000000> 
0x00007ffeefbff5b8:  0x00000000040ffa7b  0x000000000000002a 
0x00007ffeefbff5c8:  0x00007ffeefbff618  0x000000000404a416 <runtime.sigpanic+0x0000000000000396> 
0x00007ffeefbff5d8: <0x00000000040ffa7b  0x0000000005b040f0 
0x00007ffeefbff5e8:  0x00007ffeefbff658  0x0000000004028006 <runtime.(*mheap).allocSpan+0x0000000000000546> 
0x00007ffeefbff5f8:  0x000000c000136000  0x0000000000002000 
0x00007ffeefbff608:  0x000000c000000008  0x0000000000000000 
0x00007ffeefbff618:  0x00007ffeefbff660 !0x00007fff204a6c9e 
0x00007ffeefbff628: >0x00007ffeefbff660  0x00000000041b0000 
0x00007ffeefbff638:  0x00000000000002e9  0x0000000004083e85 <golang.org/x/sys/unix.libc_ioctl_trampoline+0x0000000000000005> 
0x00007ffeefbff648:  0x000000000406539f <runtime.syscall+0x000000000000001f>  0x000000c000125b88 
0x00007ffeefbff658:  0x00000000041cbac0  0x000000c000125b58 
0x00007ffeefbff668:  0x0000000004063230 <runtime.asmcgocall+0x0000000000000070>  0x00007ffeefbff6a0 
0x00007ffeefbff678:  0x000000000400fe8e <runtime.persistentalloc.func1+0x000000000000002e>  0x0000000000000030 
0x00007ffeefbff688:  0x0000000000000010  0x00000000041fb7a0 
0x00007ffeefbff698:  0x00000000000004d0  0x000000c0000001a0 
0x00007ffeefbff6a8:  0x0000000004061349 <runtime.systemstack+0x0000000000000049>  0x0000000000000004 
0x00007ffeefbff6b8:  0x000000000411d170  0x00000000041cb6e0 
0x00007ffeefbff6c8:  0x00007ffeefbff718  0x0000000004061245 <runtime.mstart+0x0000000000000005> 
0x00007ffeefbff6d8:  0x00000000040611fd <runtime.rt0_go+0x000000000000013d> 
runtime.sigpanic()
        /usr/local/Cellar/go/1.17.1/libexec/src/runtime/signal_unix.go:719 +0x396

goroutine 1 [syscall]:
syscall.syscall(0x4083e80, 0x0, 0x40487413, 0xc000125c20)
        /usr/local/Cellar/go/1.17.1/libexec/src/runtime/sys_darwin.go:22 +0x3b fp=0xc000125b88 sp=0xc000125b68 pc=0x406013b
syscall.syscall(0x400f714, 0x1, 0x60, 0x7ffeefbff8f4)
        <autogenerated>:1 +0x26 fp=0xc000125bd0 sp=0xc000125b88 pc=0x4065b26
golang.org/x/sys/unix.ioctl(0x4255a98, 0x58, 0x60)
        /Users/davidashby/go/pkg/mod/golang.org/x/[email protected]/unix/zsyscall_darwin_amd64.go:746 +0x39 fp=0xc000125c00 sp=0xc000125bd0 pc=0x4083b19
golang.org/x/sys/unix.IoctlGetTermios(...)
        /Users/davidashby/go/pkg/mod/golang.org/x/[email protected]/unix/ioctl.go:63
main.makeTerminalRaw(0x1)
        /Users/davidashby/go/pkg/mod/github.com/mitranim/[email protected]/gow.go:383 +0xa5 fp=0xc000125cc0 sp=0xc000125c00 pc=0x40cfee5
main.main()
        /Users/davidashby/go/pkg/mod/github.com/mitranim/[email protected]/gow.go:164 +0x2ec fp=0xc000125f80 sp=0xc000125cc0 pc=0x40cebcc
runtime.main()
        /usr/local/Cellar/go/1.17.1/libexec/src/runtime/proc.go:255 +0x227 fp=0xc000125fe0 sp=0xc000125f80 pc=0x4036f87
runtime.goexit()
        /usr/local/Cellar/go/1.17.1/libexec/src/runtime/asm_amd64.s:1581 +0x1 fp=0xc000125fe8 sp=0xc000125fe0 pc=0x4063521

goroutine 6 [chan receive]:
github.com/rjeczalik/notify.(*recursiveTree).dispatch(0xc000012140)
        /Users/davidashby/go/pkg/mod/github.com/rjeczalik/[email protected]/tree_recursive.go:125 +0x4d
created by github.com/rjeczalik/notify.newRecursiveTree
        /Users/davidashby/go/pkg/mod/github.com/rjeczalik/[email protected]/tree_recursive.go:119 +0x15b

goroutine 7 [syscall, locked to thread]:
github.com/rjeczalik/notify._Cfunc_CFRunLoopRun()
        _cgo_gotypes.go:229 +0x45
github.com/rjeczalik/notify.init.1.func1()
        /Users/davidashby/go/pkg/mod/github.com/rjeczalik/[email protected]/watcher_fsevents_cgo.go:72 +0x45
created by github.com/rjeczalik/notify.init.1
        /Users/davidashby/go/pkg/mod/github.com/rjeczalik/[email protected]/watcher_fsevents_cgo.go:64 +0x33

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