This bug was fixed in the package gdb - 13.1-2ubuntu2.1
---------------
gdb (13.1-2ubuntu2.1) lunar; urgency=medium
[ Mate Kukri ]
* Fixes (LP: #2040113)
[ Emanuele Rocca ]
* aarch64: add aarch64-pauth-registers.patch to check for valid inferior
thread/regcache before reading pauth registers. (Closes: #1034611)
-- Mate Kukri <mate.ku...@canonical.com> Wed, 15 Nov 2023 13:27:25
+0000
** Changed in: gdb (Ubuntu Lunar)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2040113
Title:
gdb crashes upon `run` on some arm64 machines
Status in gdb package in Ubuntu:
Fix Released
Status in gdb source package in Lunar:
Fix Released
Bug description:
[ Impact ]
* gdb 13.1 as shipped in lunar is affected by a bug where it crashes upon
`run`
on some arm64 machines (confirmed on Apple M-series, both under hypervisor
and bare metal, everything else with PAC should also be affected).
* It was fixed upstream in gdb 13.2: https://inbox.sourceware.org/gdb-
patches/20230316103904.1947447-1-luis.mach...@arm.com/.
* Debian bookworm's gdb_13.1-3 also includes the same patch as
`aarch64-pauth-
registers.patch`.
[ Test Plan ]
* This diff is confirmed to fix gdb 13.1 in lunar on my arm64 laptop.
* This could be tested by running any program under lunar's gdb
on any ARM64 PAC machine.
[ Where problems could occur ]
* Problems aren't particularly likely as the exact patch was included in the
last Debian stable.
* In theory, a gdb rebuild could possibly cause breakage.
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