Public bug reported:
I am running Ubuntu Lunar on an arm64 Lenovo X13s using the kernel
6.2.0-1003-laptop from ppa:ubuntu-concept/x13s. The kernel is configured
with CONFIG_ARM64_PTR_AUTH=y.
Debugging a trivial hello world program fails:
GNU gdb (Ubuntu 13.1-2ubuntu2) 13.1
Reading symbols from ./test...
(gdb) r
Starting program: /home/user/temp/test
unable to fetch pauth registers: Invalid argument.
The message relates to this statement:
gdb/aarch64-linux-nat.c:371:
ret = ptrace (PTRACE_GETREGSET, tid, NT_ARM_PAC_MASK, &iovec);
When using
set tdesc filename target.xml
with a target.xml file without the org.gnu.gdb.aarch64.pauth feature
debugging works fine.
** Affects: gdb (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2012509
Title:
unable to fetch pauth registers: Invalid argument.
Status in gdb package in Ubuntu:
New
Bug description:
I am running Ubuntu Lunar on an arm64 Lenovo X13s using the kernel
6.2.0-1003-laptop from ppa:ubuntu-concept/x13s. The kernel is
configured with CONFIG_ARM64_PTR_AUTH=y.
Debugging a trivial hello world program fails:
GNU gdb (Ubuntu 13.1-2ubuntu2) 13.1
Reading symbols from ./test...
(gdb) r
Starting program: /home/user/temp/test
unable to fetch pauth registers: Invalid argument.
The message relates to this statement:
gdb/aarch64-linux-nat.c:371:
ret = ptrace (PTRACE_GETREGSET, tid, NT_ARM_PAC_MASK, &iovec);
When using
set tdesc filename target.xml
with a target.xml file without the org.gnu.gdb.aarch64.pauth feature
debugging works fine.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/2012509/+subscriptions
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