bisecting cause commit starting from a804ab086e9de200e2e70600996db7fc14c91959 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit a804ab086e9de200e2e70600996db7fc14c91959 with gcc (GCC) 8.1.0 kernel signature: 82bfe3fcdab8db29013befd10358dc17a850fd131e880774aecff77e6b643a7a run #0: crashed: INFO: task can't die in corrupted run #1: crashed: INFO: task can't die in congestion_wait run #2: crashed: INFO: task can't die in corrupted run #3: crashed: INFO: task can't die in corrupted run #4: crashed: INFO: task can't die in corrupted run #5: crashed: INFO: task can't die in congestion_wait run #6: crashed: INFO: task can't die in corrupted run #7: crashed: INFO: task can't die in corrupted run #8: crashed: INFO: task can't die in corrupted run #9: crashed: INFO: task can't die in corrupted testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 5ab7120373b2d4f49d975f95a220094feadca0b34f19d671f48b8bd8082b7a5d all runs: OK # git bisect start a804ab086e9de200e2e70600996db7fc14c91959 bcf876870b95592b52519ed4aafcf9d95999bc9c Bisecting: 14870 revisions left to test after this (roughly 14 steps) [1796164fac7e348f74a0f1f1cae995b22d002315] dt-bindings: mmc: document alias support testing commit 1796164fac7e348f74a0f1f1cae995b22d002315 with gcc (GCC) 8.1.0 kernel signature: 8455e40ecfa3f162f063e7ee457ef84c6551b3e2a9799c4a2df8950241b90c68 all runs: OK # git bisect good 1796164fac7e348f74a0f1f1cae995b22d002315 Bisecting: 6914 revisions left to test after this (roughly 13 steps) [ccbc56a7fe933f6bd031919ffeb6d2d7427c0a8d] Merge remote-tracking branch 'net-next/master' into master testing commit ccbc56a7fe933f6bd031919ffeb6d2d7427c0a8d with gcc (GCC) 8.1.0 kernel signature: e00afa2b4c6bbcd491892b2356db5b4739170ca1591cca9031b87616a37a0383 all runs: crashed: no output from test machine # git bisect bad ccbc56a7fe933f6bd031919ffeb6d2d7427c0a8d Bisecting: 3938 revisions left to test after this (roughly 12 steps) [ffee8ff32a06ff8251b51e7bed98fbd357a99394] Merge remote-tracking branch 'pci/next' into master testing commit ffee8ff32a06ff8251b51e7bed98fbd357a99394 with gcc (GCC) 8.1.0 kernel signature: 0a0a4e44d33ec825cde500923fe8a94d77357620a6e7909f8033c0e307f3e7a9 all runs: crashed: no output from test machine # git bisect bad ffee8ff32a06ff8251b51e7bed98fbd357a99394 Bisecting: 2478 revisions left to test after this (roughly 11 steps) [61f39120fce74da370c6969d029988298ed41479] Merge remote-tracking branch 'arm64/for-next/core' into master testing commit 61f39120fce74da370c6969d029988298ed41479 with gcc (GCC) 8.1.0 kernel signature: 987075fbfa4636ad575e7a098e4e03de61581fb04d16d6ef843572f3eb96e8f4 all runs: OK # git bisect good 61f39120fce74da370c6969d029988298ed41479 Bisecting: 1228 revisions left to test after this (roughly 10 steps) [fe0990cadbe71c7c09bf557b8db86123057a0566] Merge remote-tracking branch 'samsung-krzk/for-next' into master testing commit fe0990cadbe71c7c09bf557b8db86123057a0566 with gcc (GCC) 8.1.0 kernel signature: 1788dd8e6541b94ea8a29fb89f399717855614793bf99c4c5f1b5231345383d5 all runs: OK # git bisect good fe0990cadbe71c7c09bf557b8db86123057a0566 Bisecting: 662 revisions left to test after this (roughly 9 steps) [5db35c0b5371eaf23b5a84fa6e0396292fbebc78] Merge remote-tracking branch 'fscrypt/master' into master testing commit 5db35c0b5371eaf23b5a84fa6e0396292fbebc78 with gcc (GCC) 8.1.0 kernel signature: 294fb1ed7535d0b4f938cd463c09bec988e9f198c47bce874b7600c1a8cab41f all runs: OK # git bisect good 5db35c0b5371eaf23b5a84fa6e0396292fbebc78 Bisecting: 326 revisions left to test after this (roughly 8 steps) [2c3f857b415e44a2ef2da0ed3745bb1226dad5f8] Merge remote-tracking branch 'nfs-anna/linux-next' into master testing commit 2c3f857b415e44a2ef2da0ed3745bb1226dad5f8 with gcc (GCC) 8.1.0 kernel signature: 716ac9e5108d2421ccb2e26461c69e796d2a95b45c4647c696cbcc1ade6576b3 all runs: crashed: no output from test machine # git bisect bad 2c3f857b415e44a2ef2da0ed3745bb1226dad5f8 Bisecting: 169 revisions left to test after this (roughly 7 steps) [a8ebc2b69f65f2ff74a7e8dccb7cc51656a803e9] Merge branch 'ext/filipe-replace-fix' into for-next-next-v5.9-20200923 testing commit a8ebc2b69f65f2ff74a7e8dccb7cc51656a803e9 with gcc (GCC) 8.1.0 kernel signature: 621c00273c9c2c5b66e3c4645aedb56c44ee94aa13c150d79a09918ab6587ac6 all runs: OK # git bisect good a8ebc2b69f65f2ff74a7e8dccb7cc51656a803e9 Bisecting: 103 revisions left to test after this (roughly 6 steps) [8e0e0cdcf2f0b27e737e0d8f759c0307f9f2c7dc] Merge remote-tracking branch 'ext4/dev' into master testing commit 8e0e0cdcf2f0b27e737e0d8f759c0307f9f2c7dc with gcc (GCC) 8.1.0 kernel signature: 3ada66fb008761dbb57492ab146efb9c81cbf66dfdbe3221151dfa375d20ba39 all runs: OK # git bisect good 8e0e0cdcf2f0b27e737e0d8f759c0307f9f2c7dc Bisecting: 59 revisions left to test after this (roughly 6 steps) [39ab0a3e317e458730a0bfb533aed55d5af84823] Merge remote-tracking branch 'f2fs/dev' into master testing commit 39ab0a3e317e458730a0bfb533aed55d5af84823 with gcc (GCC) 8.1.0 kernel signature: b9badf15566bee2e34011e72fd9b42f5e90fd3dab0dc0d32c3e1eed13fee0236 all runs: crashed: no output from test machine # git bisect bad 39ab0a3e317e458730a0bfb533aed55d5af84823 Bisecting: 21 revisions left to test after this (roughly 5 steps) [69c0dd29f75292cf90f032365e0f9d96b7ded5ca] f2fs: ignore compress mount option on image w/o compression feature testing commit 69c0dd29f75292cf90f032365e0f9d96b7ded5ca with gcc (GCC) 8.1.0 kernel signature: 64db18cbfa019f1023c49a52c310155aeb3fa7a32d13a665e7ff27f35d0d0472 all runs: OK # git bisect good 69c0dd29f75292cf90f032365e0f9d96b7ded5ca Bisecting: 10 revisions left to test after this (roughly 4 steps) [d89f589130160a988c0108c81e6b13e0831d7603] f2fs: remove duplicated code in sanity_check_area_boundary testing commit d89f589130160a988c0108c81e6b13e0831d7603 with gcc (GCC) 8.1.0 kernel signature: 942c87cd39e2b6523bed73304630f236373a19c0bd6ea08fd3ea5deec063a007 all runs: OK # git bisect good d89f589130160a988c0108c81e6b13e0831d7603 Bisecting: 5 revisions left to test after this (roughly 3 steps) [3a22e9ac71585bcb7667e44641f1bbb25295f0ce] f2fs: fix to do sanity check on segment/section count testing commit 3a22e9ac71585bcb7667e44641f1bbb25295f0ce with gcc (GCC) 8.1.0 kernel signature: c714303bf8e9af8ac170ac2da91a367ee83ec7eaae6446db5867095a12d5371e all runs: OK # git bisect good 3a22e9ac71585bcb7667e44641f1bbb25295f0ce Bisecting: 2 revisions left to test after this (roughly 2 steps) [519a5a2f37b850f4eb86674a10d143088670a390] f2fs: compress: fix to disallow enabling compress on non-empty file testing commit 519a5a2f37b850f4eb86674a10d143088670a390 with gcc (GCC) 8.1.0 kernel signature: ba3634f37bb043f23640041aaa60f0c28b8be7b3d35afa4fd545ed4f4d425d98 all runs: OK # git bisect good 519a5a2f37b850f4eb86674a10d143088670a390 Bisecting: 0 revisions left to test after this (roughly 1 step) [eede846af512572b1f30b34f9889d7df64c017d4] f2fs: f2fs_get_meta_page_nofail should not be failed testing commit eede846af512572b1f30b34f9889d7df64c017d4 with gcc (GCC) 8.1.0 kernel signature: 0766ab33d02edf7ba7b22cdceb998d09aad582a883ea69440692ff633afd4802 all runs: crashed: no output from test machine # git bisect bad eede846af512572b1f30b34f9889d7df64c017d4 Bisecting: 0 revisions left to test after this (roughly 0 steps) [adfc694330d36974f2cba794d54109d42950da36] f2fs: fix slab leak of rpages pointer testing commit adfc694330d36974f2cba794d54109d42950da36 with gcc (GCC) 8.1.0 kernel signature: bb9d900072bc5f666840bfddd2df5cf4af2267ee2adf029082577d9697adb195 all runs: OK # git bisect good adfc694330d36974f2cba794d54109d42950da36 eede846af512572b1f30b34f9889d7df64c017d4 is the first bad commit commit eede846af512572b1f30b34f9889d7df64c017d4 Author: Jaegeuk Kim Date: Fri Oct 2 14:17:35 2020 -0700 f2fs: f2fs_get_meta_page_nofail should not be failed Otherwise, f2fs can break the the consistency. (e.g., BUG_ON in f2fs_get_sum_page) Signed-off-by: Jaegeuk Kim fs/f2fs/checkpoint.c | 9 +++------ fs/f2fs/f2fs.h | 2 -- 2 files changed, 3 insertions(+), 8 deletions(-) culprit signature: 0766ab33d02edf7ba7b22cdceb998d09aad582a883ea69440692ff633afd4802 parent signature: bb9d900072bc5f666840bfddd2df5cf4af2267ee2adf029082577d9697adb195 revisions tested: 18, total time: 4h31m8.299089371s (build: 1h34m7.642143131s, test: 2h55m1.186289315s) first bad commit: eede846af512572b1f30b34f9889d7df64c017d4 f2fs: f2fs_get_meta_page_nofail should not be failed recipients (to): ["chao@kernel.org" "jaegeuk@kernel.org" "jaegeuk@kernel.org" "linux-f2fs-devel@lists.sourceforge.net"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: no output from test machine