On Wed, 26 Feb 2025 21:28:41 +0800
Xi Ruoyao <xry111@xxxxxxxxxxx> wrote:
> Since commit 6f2c2f93a190 ("scripts/sorttable: Remove unneeded
> Elf_Rel"), sorttable no longer clears relocs against __ex_table,
> claiming "it was never used." But in fact MIPS relocatable kernel had
> been implicitly depending on this behavior, so after this commit the
> MIPS relocatable kernel has started to spit oops like:
Oops!
>
> CPU 1 Unable to handle kernel paging request at virtual address 000000fffbbdbff8, epc == ffffffff818f9a6c, ra == ffffffff813ad7d0
> ... ...
> Call Trace:
> [<ffffffff818f9a6c>] __raw_copy_from_user+0x48/0x2fc
> [<ffffffff813ad7d0>] cp_statx+0x1a0/0x1e0
> [<ffffffff813ae528>] do_statx_fd+0xa8/0x118
> [<ffffffff813ae670>] sys_statx+0xd8/0xf8
> [<ffffffff81156cc8>] syscall_common+0x34/0x58
>
> So ignore those relocs on our own to fix the issue.
>
> Fixes: 6f2c2f93a190 ("scripts/sorttable: Remove unneeded Elf_Rel")
> Signed-off-by: Xi Ruoyao <xry111@xxxxxxxxxxx>
Thanks! Yeah, this is better than having an implicit dependency to the
sorttable code.
I take it that this will go through the mips tree?
-- Steve
