bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae building syzkaller on c2c1d1dd603b7d66d283253ffbd61b8692712bd2 testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae with gcc (GCC) 8.1.0 kernel signature: cd9ecb63d93e12c533a6d6f2d4fed78eaa693e33119b51ff71641967b1b46e96 all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes testing current HEAD 2762b48e9611529239da2e68cba908dbbec9805f testing commit 2762b48e9611529239da2e68cba908dbbec9805f with gcc (GCC) 8.1.0 kernel signature: 7db178323aa6599aa582fbcd4f52e4086456bb8c126c464b5a8d30e999bac0d1 all runs: OK # git bisect start 2762b48e9611529239da2e68cba908dbbec9805f 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae Bisecting: 178 revisions left to test after this (roughly 8 steps) [429ec49f7b73852ab45d245cc483ef2793863afa] media: gspca: Fix memory leak in probe testing commit 429ec49f7b73852ab45d245cc483ef2793863afa with gcc (GCC) 8.1.0 kernel signature: f3a68a019c2ee33303e6e61f4014e54ba2c7b196d480fd72d2864900ef3cace1 all runs: OK # git bisect bad 429ec49f7b73852ab45d245cc483ef2793863afa Bisecting: 89 revisions left to test after this (roughly 7 steps) [71da483c1d89e2f4153cf86c25e1cbfe7198bc45] MIPS: BCM47XX: fix kconfig dependency bug for BCM47XX_BCMA testing commit 71da483c1d89e2f4153cf86c25e1cbfe7198bc45 with gcc (GCC) 8.1.0 kernel signature: c2a924dee263534a411560d6c1de92b6bfc0dbc0703825929d3f28ef606bd81c all runs: OK # git bisect bad 71da483c1d89e2f4153cf86c25e1cbfe7198bc45 Bisecting: 44 revisions left to test after this (roughly 6 steps) [951481c52a94ba646e35b99fdb93177ab580555b] vxlan: Add needed_headroom for lower device testing commit 951481c52a94ba646e35b99fdb93177ab580555b with gcc (GCC) 8.1.0 kernel signature: ee17b203e1c05d5c2e2c0f4bdf89f24d03ac008cbfffe2921d0241a09272983b run #0: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #1: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #2: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #3: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #4: crashed: BUG: unable to handle kernel run #5: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #6: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #7: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #8: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes run #9: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes # git bisect good 951481c52a94ba646e35b99fdb93177ab580555b Bisecting: 22 revisions left to test after this (roughly 5 steps) [579f8b9015bd14a67f5b32245e1a30a479833d44] soc: renesas: rmobile-sysc: Fix some leaks in rmobile_init_pm_domains() testing commit 579f8b9015bd14a67f5b32245e1a30a479833d44 with gcc (GCC) 8.1.0 kernel signature: 9a30f517c67aeed21210fd5573c20958e7a8ac8d55350e2a2ff908c97865c392 all runs: OK # git bisect bad 579f8b9015bd14a67f5b32245e1a30a479833d44 Bisecting: 10 revisions left to test after this (roughly 4 steps) [27ea2f575c847ca63de8fb4da8ec831baab23227] ARM: dts: exynos: fix roles of USB 3.0 ports on Odroid XU testing commit 27ea2f575c847ca63de8fb4da8ec831baab23227 with gcc (GCC) 8.1.0 kernel signature: 486efc4987ae988c10779697972a1e928659ccf1eba2985395ecf5f50e3aa598 all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes # git bisect good 27ea2f575c847ca63de8fb4da8ec831baab23227 Bisecting: 5 revisions left to test after this (roughly 3 steps) [a9c625fcddc078624e1e7a673443b29c71be3431] quota: Sanity-check quota file headers on load testing commit a9c625fcddc078624e1e7a673443b29c71be3431 with gcc (GCC) 8.1.0 kernel signature: 7ddf51ae6b02fa1ff5891f97c5eff7d587ff4237d936fe8b2f3237627509f063 all runs: OK # git bisect bad a9c625fcddc078624e1e7a673443b29c71be3431 Bisecting: 2 revisions left to test after this (roughly 1 step) [81ad6b09b27f34d668174fe19715bbc00c4eda82] ARM: dts: exynos: fix USB 3.0 pins supply being turned off on Odroid XU testing commit 81ad6b09b27f34d668174fe19715bbc00c4eda82 with gcc (GCC) 8.1.0 kernel signature: 486efc4987ae988c10779697972a1e928659ccf1eba2985395ecf5f50e3aa598 all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes # git bisect good 81ad6b09b27f34d668174fe19715bbc00c4eda82 Bisecting: 0 revisions left to test after this (roughly 1 step) [cf394db8b470c41589a7e8a2da0192b7a49c9cac] serial_core: Check for port state when tty is in error state testing commit cf394db8b470c41589a7e8a2da0192b7a49c9cac with gcc (GCC) 8.1.0 kernel signature: e1f5f6c968358fb359f88d97490670b538de12b130c5b52536367906600f2ba8 all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_inodes # git bisect good cf394db8b470c41589a7e8a2da0192b7a49c9cac a9c625fcddc078624e1e7a673443b29c71be3431 is the first bad commit commit a9c625fcddc078624e1e7a673443b29c71be3431 Author: Jan Kara Date: Mon Nov 2 16:16:29 2020 +0100 quota: Sanity-check quota file headers on load commit 11c514a99bb960941535134f0587102855e8ddee upstream. Perform basic sanity checks of quota headers to avoid kernel crashes on corrupted quota files. CC: stable@vger.kernel.org Reported-by: syzbot+f816042a7ae2225f25ba@syzkaller.appspotmail.com Reviewed-by: Andreas Dilger Signed-off-by: Jan Kara Signed-off-by: Greg Kroah-Hartman fs/quota/quota_v2.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) culprit signature: 7ddf51ae6b02fa1ff5891f97c5eff7d587ff4237d936fe8b2f3237627509f063 parent signature: e1f5f6c968358fb359f88d97490670b538de12b130c5b52536367906600f2ba8 revisions tested: 10, total time: 2h14m47.368957244s (build: 1h17m26.379088853s, test: 56m24.693405378s) first good commit: a9c625fcddc078624e1e7a673443b29c71be3431 quota: Sanity-check quota file headers on load recipients (to): ["adilger@dilger.ca" "gregkh@linuxfoundation.org" "jack@suse.cz"] recipients (cc): []