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priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.21.0-2504070000 definitions=main-2504250175 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250425_170755_103610_ED7EDD58 X-CRM114-Status: GOOD ( 17.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/26/25 00:47, Mathieu Poirier wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender and know the content is safe. > > On Thu, Apr 24, 2025 at 08:22:51PM +0800, Xiaolei Wang wrote: >> Release all carveouts under imx_rproc after rproc_attach() fails to solve >> the following kmemleak: >> > Please provide more details on the steps needed to reproduce this problem and > where in rproc_attach() the original failure occured. Thanks for your reply, I will add the steps to reproduce and where in rproc_attach() the original failure occurred and send a v2 version thanks xiaolei > > Thanks, > Mathieu > >> unreferenced object 0xffff0000861c5d00 (size 128): >> comm "kworker/u12:3", pid 59, jiffies 4294893509 (age 149.220s) >> hex dump (first 32 bytes): >> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ >> 00 00 02 88 00 00 00 00 00 00 10 00 00 00 00 00 ............ >> backtrace: >> [<00000000f949fe18>] slab_post_alloc_hook+0x98/0x37c >> [<00000000adbfb3e7>] __kmem_cache_alloc_node+0x138/0x2e0 >> [<00000000521c0345>] kmalloc_trace+0x40/0x158 >> [<000000004e330a49>] rproc_mem_entry_init+0x60/0xf8 >> [<000000002815755e>] imx_rproc_prepare+0xe0/0x180 >> [<0000000003f61b4e>] rproc_boot+0x2ec/0x528 >> [<00000000e7e994ac>] rproc_add+0x124/0x17c >> [<0000000048594076>] imx_rproc_probe+0x4ec/0x5d4 >> [<00000000efc298a1>] platform_probe+0x68/0xd8 >> [<00000000110be6fe>] really_probe+0x110/0x27c >> [<00000000e245c0ae>] __driver_probe_device+0x78/0x12c >> [<00000000f61f6f5e>] driver_probe_device+0x3c/0x118 >> [<00000000a7874938>] __device_attach_driver+0xb8/0xf8 >> [<0000000065319e69>] bus_for_each_drv+0x84/0xe4 >> [<00000000db3eb243>] __device_attach+0xfc/0x18c >> [<0000000072e4e1a4>] device_initial_probe+0x14/0x20 >> >> Signed-off-by: Xiaolei Wang >> --- >> drivers/remoteproc/imx_rproc.c | 14 ++++++++++++++ >> 1 file changed, 14 insertions(+) >> >> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c >> index 74299af1d7f1..c489bd15ee91 100644 >> --- a/drivers/remoteproc/imx_rproc.c >> +++ b/drivers/remoteproc/imx_rproc.c >> @@ -595,6 +595,19 @@ static int imx_rproc_prepare(struct rproc *rproc) >> return 0; >> } >> >> +static int imx_rproc_unprepare(struct rproc *rproc) >> +{ >> + struct rproc_mem_entry *entry, *tmp; >> + >> + rproc_coredump_cleanup(rproc); >> + /* clean up carveout allocations */ >> + list_for_each_entry_safe(entry, tmp, &rproc->carveouts, node) { >> + list_del(&entry->node); >> + kfree(entry); >> + } >> + return 0; >> +} >> + >> static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) >> { >> int ret; >> @@ -675,6 +688,7 @@ imx_rproc_elf_find_loaded_rsc_table(struct rproc *rproc, const struct firmware * >> >> static const struct rproc_ops imx_rproc_ops = { >> .prepare = imx_rproc_prepare, >> + .unprepare = imx_rproc_unprepare, >> .attach = imx_rproc_attach, >> .detach = imx_rproc_detach, >> .start = imx_rproc_start, >> -- >> 2.25.1 >>