bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67 building syzkaller on 8516f6d3332fc21083e2adae55114a022fcc2b9b testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 with gcc (GCC) 8.1.0 kernel signature: a175850025a4f7606e6e0687e9e3b2b6bc322d8fd7cc2db06546226e72525e57 run #0: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #1: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #2: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #3: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #4: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #5: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #6: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #7: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #8: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #9: boot failed: error getting instance ci2-linux-4-14-bisect-job-bisect-job-0 details after creation: googleapi: Error 503: The service is currently unavailable., backendError testing current HEAD 1752938529c614a8ed4432ecce6ebc95d3b87207 testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207 with gcc (GCC) 8.1.0 kernel signature: 7b2381e87f8f0c039d91c22a50e904037980bffe318d8da7340de9a30ec83538 all runs: OK # git bisect start 1752938529c614a8ed4432ecce6ebc95d3b87207 cbfa1702aaf69b2311ea1b35e04f113c48368c67 Bisecting: 613 revisions left to test after this (roughly 9 steps) [3e1f2d012c506cb3c8f6291d51df0757bb2c507a] acpi-cpufreq: Honor _PSD table setting on new AMD CPUs testing commit 3e1f2d012c506cb3c8f6291d51df0757bb2c507a with gcc (GCC) 8.1.0 kernel signature: 0be421274cbc4c14a4a18b390b479cb2eb464c8a33fa9a648d89db867dbe8668 all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_space # git bisect good 3e1f2d012c506cb3c8f6291d51df0757bb2c507a Bisecting: 306 revisions left to test after this (roughly 8 steps) [7e0abaac82064277883b7063333ddbdfadac8a00] ibmvnic: fix NULL pointer dereference in ibmvic_reset_crq testing commit 7e0abaac82064277883b7063333ddbdfadac8a00 with gcc (GCC) 8.1.0 kernel signature: 03c205c172607711b089d1079cc3f9502b8ae776b07ed49d8a49f0e9ea57db5c run #0: crashed: BUG: unable to handle kernel run #1: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #2: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #3: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #4: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #5: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #6: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #7: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #8: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #9: crashed: BUG: unable to handle kernel paging request in dquot_add_space # git bisect good 7e0abaac82064277883b7063333ddbdfadac8a00 Bisecting: 153 revisions left to test after this (roughly 7 steps) [524321a0ef36caf0b7a9d3e63812724bc5723ee6] ASoC: arizona: Fix a wrong free in wm8997_probe testing commit 524321a0ef36caf0b7a9d3e63812724bc5723ee6 with gcc (GCC) 8.1.0 kernel signature: e73f2a74c97b706a477d8ed49eb48bcb69bd8558003b090cb39bdcd3895f4da8 all runs: OK # git bisect bad 524321a0ef36caf0b7a9d3e63812724bc5723ee6 Bisecting: 76 revisions left to test after this (roughly 6 steps) [faed9d0fd9afeb0ff3ccb59d655de4d4ac9a23d0] Input: cm109 - do not stomp on control URB testing commit faed9d0fd9afeb0ff3ccb59d655de4d4ac9a23d0 with gcc (GCC) 8.1.0 kernel signature: c97cbe8f40299e12c57a8dc29a5142cc6a49abbe3b0717ff513d83b05d55fb25 run #0: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #1: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #2: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #3: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #4: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #5: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #6: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #7: crashed: BUG: unable to handle kernel run #8: crashed: BUG: unable to handle kernel paging request in dquot_add_space run #9: crashed: BUG: unable to handle kernel paging request in dquot_add_space # git bisect good faed9d0fd9afeb0ff3ccb59d655de4d4ac9a23d0 Bisecting: 38 revisions left to test after this (roughly 5 steps) [7ed6876b4b5c5e100c8d3df06c5abd837c2768d8] soc/tegra: fuse: Fix index bug in get_process_id testing commit 7ed6876b4b5c5e100c8d3df06c5abd837c2768d8 with gcc (GCC) 8.1.0 kernel signature: 7b80d1d4a14d99fd97bc8c549ccf37744876454baf67c2c793560cd5358e2452 all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_space # git bisect good 7ed6876b4b5c5e100c8d3df06c5abd837c2768d8 Bisecting: 19 revisions left to test after this (roughly 4 steps) [fd37413964cc11368db3f55f7bba2637db98e823] soc: mediatek: Check if power domains can be powered on at boot time testing commit fd37413964cc11368db3f55f7bba2637db98e823 with gcc (GCC) 8.1.0 kernel signature: 28eb14425fab5829ee8a60145ad06d809c552fc82ad06897bd7d77bb37c67ddd all runs: OK # git bisect bad fd37413964cc11368db3f55f7bba2637db98e823 Bisecting: 9 revisions left to test after this (roughly 3 steps) [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: 3647b2c2d34fc61c2ea4dc9004db38e76eb0bc33d71b2d4818194a87339b00ba all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_space # git bisect good 81ad6b09b27f34d668174fe19715bbc00c4eda82 Bisecting: 4 revisions left to test after this (roughly 2 steps) [d770afcdf11b2ebcac54ab69f9423e8d2dc8c9ae] crypto: af_alg - avoid undefined behavior accessing salg_name testing commit d770afcdf11b2ebcac54ab69f9423e8d2dc8c9ae with gcc (GCC) 8.1.0 kernel signature: ec659d7f3a261918962bf09246e2bc4e9f877fc65345f31efdaf2a0512711ea5 all runs: OK # git bisect bad d770afcdf11b2ebcac54ab69f9423e8d2dc8c9ae Bisecting: 2 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: 3f0d5a04cd938863a9c9023b1c377203c63961255898cc4d4eb1023fc87bcd7a all runs: crashed: BUG: unable to handle kernel paging request in dquot_add_space # git bisect good cf394db8b470c41589a7e8a2da0192b7a49c9cac Bisecting: 0 revisions left to test after this (roughly 1 step) [37e7d9aa24bd40c62062df0fa1a0a2f245519d96] media: msi2500: assign SPI bus number dynamically testing commit 37e7d9aa24bd40c62062df0fa1a0a2f245519d96 with gcc (GCC) 8.1.0 kernel signature: 897b94b6b320b555b86784bc1957d18ade1499ac21d1bd2247182315238a6af9 all runs: OK # git bisect bad 37e7d9aa24bd40c62062df0fa1a0a2f245519d96 Bisecting: 0 revisions left to test after this (roughly 0 steps) [a9c625fcddc078624e1e7a673443b29c71be3431] quota: Sanity-check quota file headers on load testing commit a9c625fcddc078624e1e7a673443b29c71be3431 with gcc (GCC) 8.1.0 kernel signature: 897b94b6b320b555b86784bc1957d18ade1499ac21d1bd2247182315238a6af9 all runs: OK # git bisect bad a9c625fcddc078624e1e7a673443b29c71be3431 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: 897b94b6b320b555b86784bc1957d18ade1499ac21d1bd2247182315238a6af9 parent signature: 3f0d5a04cd938863a9c9023b1c377203c63961255898cc4d4eb1023fc87bcd7a revisions tested: 13, total time: 3h4m42.452729722s (build: 1h50m30.051123802s, test: 1h13m0.264871441s) 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): []