debug/macho: invalid dynamic symbol table command can cause panic

[rolandshoemaker]

Calling File.ImportedSymbols on a loaded file which contains an invalid dynamic symbol table command can cause a panic, in particular if the encoded number of undefined symbols is larger than the number of symbols in the symbol table.

[gopherbot]

Change https://golang.org/cl/355990 mentions this issue: debug/macho: fail on invalid dynamic symbol table command

[rolandshoemaker]

@gopherbot please open backport issues

[gopherbot]

Backport issue(s) opened: #48991 (for 1.16), #48992 (for 1.17).

Remember to create the cherry-pick CL(s) as soon as the patch is submitted to master, according to https://golang.org/wiki/MinorReleases.

[gopherbot]

Change https://golang.org/cl/359455 mentions this issue: [release-branch.go1.17] debug/macho: fail on invalid dynamic symbol table command

[gopherbot]

Change https://golang.org/cl/359454 mentions this issue: [release-branch.go1.16] debug/macho: fail on invalid dynamic symbol table command