[FS#3741] Bus error on musl tzset
openwrt-bugs at lists.openwrt.org
Thu Apr 15 11:40:25 BST 2021
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User who did this - selvamuthukumar (selvamuthukumar)
Attached to Project - OpenWrt/LEDE Project
Summary - Bus error on musl tzset
Task Type - Bug Report
Category - Toolchain
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - toolchain/musl/patches/110-read_timezone_from_fs.patch - Adds support for reading timezone from /etc/TZ.
It does mmap of the file. There is a possible race condition here. If /etc/TZ is truncated between mmap and read, read can cause bus error (SIGBUS).
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