bisecting fixing commit since 7ae77150d94d3b535c7b85e6b3647113095e79bf building syzkaller on 588020678f34b89925fcfbcaf8f635c5850e8e7a testing commit 7ae77150d94d3b535c7b85e6b3647113095e79bf with gcc (GCC) 8.1.0 kernel signature: 644bc6f224585c9903c45f73d58c7685f3ac09d1672b059ed08e76eb4d322781 run #0: crashed: KASAN: use-after-free Read in __smsc95xx_mdio_read run #1: crashed: KASAN: use-after-free Read in __smsc95xx_mdio_read run #2: crashed: KASAN: use-after-free Read in __smsc95xx_mdio_read run #3: crashed: KASAN: use-after-free Read in __smsc95xx_mdio_read run #4: crashed: KASAN: use-after-free Read in __smsc95xx_phy_wait_not_busy run #5: crashed: KASAN: use-after-free Read in __smsc95xx_mdio_read run #6: OK run #7: OK run #8: OK run #9: OK testing current HEAD 04300d66f0a06d572d9f2ad6768c38cabde22179 testing commit 04300d66f0a06d572d9f2ad6768c38cabde22179 with gcc (GCC) 8.1.0 kernel signature: d5d28c621be17d22c86f0b913c1ddfa94ea662e1bfa0eee07c35889e91ead74a all runs: OK # git bisect start 04300d66f0a06d572d9f2ad6768c38cabde22179 7ae77150d94d3b535c7b85e6b3647113095e79bf Bisecting: 3456 revisions left to test after this (roughly 12 steps) [6f51ab9440d131ae424cce27e3170746219f5142] Merge tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux testing commit 6f51ab9440d131ae424cce27e3170746219f5142 with gcc (GCC) 8.1.0 kernel signature: 5317a023bf0ef58ba672a794cb32dc897b5387c5146f2026c5117c2202e4e548 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 6f51ab9440d131ae424cce27e3170746219f5142 Bisecting: 3456 revisions left to test after this (roughly 12 steps) [84d02e785d34be9363a825d696cca1f07fac2634] pinctrl: mcp23s08: Deduplicate IRQ chip filling testing commit 84d02e785d34be9363a825d696cca1f07fac2634 with gcc (GCC) 8.1.0 kernel signature: c00c53791b174ea00ab167a0754e8ab2edd0080dcca594b5688f769498c92639 all runs: OK # git bisect bad 84d02e785d34be9363a825d696cca1f07fac2634 Bisecting: 3 revisions left to test after this (roughly 2 steps) [39eb3cc8ab8a5cb7b0a2b728cb653e58319449e9] pinctrl: sunxi: handle probe defferal testing commit 39eb3cc8ab8a5cb7b0a2b728cb653e58319449e9 with gcc (GCC) 8.1.0 kernel signature: cdd69b6f080fe75f01db769dd20b30a856f309665dc2024b6a8c028a4e1f0513 all runs: OK # git bisect bad 39eb3cc8ab8a5cb7b0a2b728cb653e58319449e9 Bisecting: 1 revision left to test after this (roughly 1 step) [8174a8512e3e5acbf9e2202b24934b7f7fd28e13] pinctrl: mediatek: make MediaTek pinctrl v2 driver ready for buidling loadable module testing commit 8174a8512e3e5acbf9e2202b24934b7f7fd28e13 with gcc (GCC) 8.1.0 kernel signature: cb7ba1dacd5798a6a3cd42b11bbbb18d019d0a52b6625f6ff2cee18a93ff4048 all runs: OK # git bisect bad 8174a8512e3e5acbf9e2202b24934b7f7fd28e13 Bisecting: 0 revisions left to test after this (roughly 0 steps) [7e23ab72e73bc601b4cf2983382691d9f165c8d1] pinctrl: nomadik:remove unneeded variable testing commit 7e23ab72e73bc601b4cf2983382691d9f165c8d1 with gcc (GCC) 8.1.0 kernel signature: d18c6cb7adcf78070c442cb122ab6606106fa9b681ad2616cc9fb65c77472728 all runs: OK # git bisect bad 7e23ab72e73bc601b4cf2983382691d9f165c8d1 7e23ab72e73bc601b4cf2983382691d9f165c8d1 is the first bad commit commit 7e23ab72e73bc601b4cf2983382691d9f165c8d1 Author: Ding Xiang Date: Mon Mar 30 15:56:26 2020 +0800 pinctrl: nomadik:remove unneeded variable ret is unneeded, just return 0. Signed-off-by: Ding Xiang Link: https://lore.kernel.org/r/1585554986-26521-1-git-send-email-dingxiang@cmss.chinamobile.com Signed-off-by: Linus Walleij drivers/pinctrl/nomadik/pinctrl-nomadik.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) parent commit 8f3d9f354286745c751374f5f1fcafee6b3f3136 wasn't tested testing commit 8f3d9f354286745c751374f5f1fcafee6b3f3136 with gcc (GCC) 8.1.0 kernel signature: 7c02228b6d7857ec0606fec23d3982e2150a97769b4523fcfe00e2a1c73e920e culprit signature: d18c6cb7adcf78070c442cb122ab6606106fa9b681ad2616cc9fb65c77472728 parent signature: 7c02228b6d7857ec0606fec23d3982e2150a97769b4523fcfe00e2a1c73e920e revisions tested: 7, total time: 1h55m53.694419686s (build: 45m31.198718843s, test: 1h8m43.884931105s) first good commit: 7e23ab72e73bc601b4cf2983382691d9f165c8d1 pinctrl: nomadik:remove unneeded variable cc: ["dingxiang@cmss.chinamobile.com" "linus.walleij@linaro.org" "linux-arm-kernel@lists.infradead.org" "linux-gpio@vger.kernel.org" "linux-kernel@vger.kernel.org"]