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authorTamura Dai <kirinode0@gmail.com>2025-06-16 02:55:48 +0300
committerMark Brown <broonie@kernel.org>2025-06-24 18:39:42 +0300
commit6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e (patch)
treee2423e55b4f483abe11a9689b44f4bd873c60f60 /tools/perf/scripts/python/exported-sql-viewer.py
parentff21a6ec0f27c126db0a86d96751bd6e5d1d9874 (diff)
downloadlinux-6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e.tar.xz
ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.
sof_pdata->tplg_filename can have address allocated by kstrdup() and can be overwritten. Memory leak was detected with kmemleak: unreferenced object 0xffff88812391ff60 (size 16): comm "kworker/4:1", pid 161, jiffies 4294802931 hex dump (first 16 bytes): 73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00 sof-hda-generic. backtrace (crc 4bf1675c): __kmalloc_node_track_caller_noprof+0x49c/0x6b0 kstrdup+0x46/0xc0 hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic] sof_init_environment+0x16f/0xb50 [snd_sof] sof_probe_continue+0x45/0x7c0 [snd_sof] sof_probe_work+0x1e/0x40 [snd_sof] process_one_work+0x894/0x14b0 worker_thread+0x5e5/0xfb0 kthread+0x39d/0x760 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 Signed-off-by: Tamura Dai <kirinode0@gmail.com> Link: https://patch.msgid.link/20250615235548.8591-1-kirinode0@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
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