Hello Chaitanya, On Mon, Feb 10, 2025 at 06:52:35AM +0000, Borah, Chaitanya Kumar wrote: > Hello Mike, > > Hope you are doing well. I am Chaitanya from the linux graphics team in Intel. > > This mail is regarding a regression we are seeing in our CI runs[1] on linux-next repository. > > Since the version next-20250205 [2], we are seeing the following regression > > ````````````````````````````````````````````````````````````````````````````````` > <4>[ 314.781734] kmemleak: Found object by alias at 0xffffffffa0595000 > <4>[ 314.781738] CPU: 11 UID: 0 PID: 6042 Comm: i915_selftest Tainted: G U 6.14.0-rc1-next-20250205-next-20250205-ged88b8b82c53+ #1 > <4>[ 314.781741] Tainted: [U]=USER > <4>[ 314.781741] Hardware name: ASUS System Product Name/PRIME Z790-P WIFI, BIOS 0812 02/24/2023 > <4>[ 314.781742] Call Trace: > <4>[ 314.781743] <TASK> > <4>[ 314.781744] dump_stack_lvl+0x91/0xf0 > <4>[ 314.781749] dump_stack+0x10/0x20 > <4>[ 314.781751] __lookup_object+0x90/0xa0 > <4>[ 314.781755] __find_and_get_object+0x6c/0x190 > <4>[ 314.781758] paint_ptr+0x1b/0xa0 > <4>[ 314.781759] kmemleak_not_leak+0x33/0x70 > <4>[ 314.781762] load_module+0xa20/0x2d10 > ````````````````````````````````````````````````````````````````````````````````` > Details log can be found in [3]. Does this fix it for you? diff --git a/kernel/module/main.c b/kernel/module/main.c index 4a02503836d7..a598888e7072 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -1260,7 +1260,8 @@ static int module_memory_alloc(struct module *mod, enum mod_mem_type type) * *do* eventually get freed, but let's just keep things simple * and avoid *any* false positives. */ - kmemleak_not_leak(ptr); + if (!mod->mem[type].is_rox) + kmemleak_not_leak(ptr); memset(ptr, 0, size); mod->mem[type].base = ptr; > [1] https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html? > [2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20250205 > [3] https://intel-gfx-ci.01.org/tree/linux-next/next-20250205/bat-rpls-4/dmesg0.txt > [4] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20250205&id=64f6a4e10c05ed527f0f24b7954964255e0d3535 > > Regards > Chaitanya -- Sincerely yours, Mike.
