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Bug #14756
closed`Exception` may cause SEGV when `#backtrace` returns a string
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.6.0dev (2018-05-13 trunk 63413) [x86_64-linux]
Backport:
Description
This code causes SEGV, because print_backtrace
expects second argument to be an array but a string is given.
class Exception
def backtrace
"backtrace"
end
end
"".a
Also in ruby 2.3.7, 2.4.4, 2.5.1.
Updated by nobu (Nobuyoshi Nakada) almost 6 years ago
- Status changed from Open to Closed
Applied in changeset trunk|r63417.
error.c: check redefined backtrace result
- error.c (rb_get_backtrace): check the result of
backtrace
even
if the method is redefined. [ruby-core:87013] [Bug #14756]
Updated by yui-knk (Kaneko Yuichiro) almost 6 years ago
- Backport changed from 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN to 2.3: REQUIRED, 2.4: REQUIRED, 2.5: REQUIRED
Updated by usa (Usaku NAKAMURA) over 5 years ago
- Backport changed from 2.3: REQUIRED, 2.4: REQUIRED, 2.5: REQUIRED to 2.3: REQUIRED, 2.4: DONE, 2.5: REQUIRED
ruby_2_4 r64147 merged revision(s) 63417.
Updated by nagachika (Tomoyuki Chikanaga) over 5 years ago
- Backport changed from 2.3: REQUIRED, 2.4: DONE, 2.5: REQUIRED to 2.3: REQUIRED, 2.4: DONE, 2.5: DONE
ruby_2_5 r64430 merged revision(s) 63417.
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