bisecting fixing commit since fb0155a09b0224a7147cb07a4ce6034c8d29667f building syzkaller on 1b88c6d5c8477f1d4fb3b389443b200acc32e9a8 testing commit fb0155a09b0224a7147cb07a4ce6034c8d29667f with gcc (GCC) 8.1.0 kernel signature: d4eb72b5eab2125693d379506626ef1f391b4be87520d7ac9a0c8bef0e496ea1 run #0: OK run #1: crashed: INFO: task hung in nbd_ioctl run #2: crashed: INFO: task hung in nbd_ioctl run #3: crashed: INFO: task hung in nbd_ioctl run #4: crashed: INFO: task hung in nbd_ioctl run #5: crashed: INFO: task hung in nbd_ioctl run #6: crashed: INFO: task hung in nbd_ioctl run #7: crashed: INFO: task hung in nbd_ioctl run #8: crashed: INFO: task hung in nbd_ioctl run #9: crashed: INFO: task hung in nbd_ioctl testing current HEAD 2ab38c17aac10bf55ab3efde4c4db3893d8691d2 testing commit 2ab38c17aac10bf55ab3efde4c4db3893d8691d2 with gcc (GCC) 8.1.0 kernel signature: 0dfdd7ff297c663e8d3861925202d975a1fde0f17ee54c4cd984a222af32277d all runs: OK # git bisect start 2ab38c17aac10bf55ab3efde4c4db3893d8691d2 fb0155a09b0224a7147cb07a4ce6034c8d29667f Bisecting: 16264 revisions left to test after this (roughly 14 steps) [ab8d302c4804aeced87e1659214d4e8afcfd0a5e] Merge tag 'at91-dt-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/dt testing commit ab8d302c4804aeced87e1659214d4e8afcfd0a5e with gcc (GCC) 8.1.0 kernel signature: 8965dc5ad2bf74ef92e0992a80915cb531ee76d1c22c3aea1693b039bdc633d8 run #0: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #1: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #2: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #3: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #4: crashed: INFO: task hung in nbd_ioctl run #5: crashed: INFO: task hung in nbd_ioctl run #6: crashed: INFO: task hung in nbd_ioctl run #7: crashed: INFO: task hung in nbd_ioctl run #8: crashed: INFO: task hung in nbd_ioctl run #9: crashed: INFO: task hung in nbd_ioctl # git bisect good ab8d302c4804aeced87e1659214d4e8afcfd0a5e Bisecting: 8200 revisions left to test after this (roughly 13 steps) [7240153a9bdb77217b99b76fd73105bce12770be] Merge tag 'driver-core-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core testing commit 7240153a9bdb77217b99b76fd73105bce12770be with gcc (GCC) 8.1.0 kernel signature: fe130d5a2d8768a93a8cc50e3bd6c0f28218df5138a2e2d92281ba00a92bf8a7 all runs: OK # git bisect bad 7240153a9bdb77217b99b76fd73105bce12770be Bisecting: 4031 revisions left to test after this (roughly 12 steps) [da0628559871475b482f015dc24c9bef372936e4] Merge tag 'tomoyo-pr-20201214' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1 testing commit da0628559871475b482f015dc24c9bef372936e4 with gcc (GCC) 8.1.0 kernel signature: 1bd9cf0bc370bd7045321e74963b844e6229dbeb65978a9d339c8948664eb719 all runs: OK # git bisect bad da0628559871475b482f015dc24c9bef372936e4 Bisecting: 2257 revisions left to test after this (roughly 11 steps) [b10733527bfd864605c33ab2e9a886eec317ec39] Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next testing commit b10733527bfd864605c33ab2e9a886eec317ec39 with gcc (GCC) 8.1.0 kernel signature: 91c4cd9200b9f9d12733157ca2e4c2b69ccccf1ee36788d07b16c0c7dadc0075 run #0: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #1: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #2: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #3: crashed: INFO: task hung in nbd_ioctl run #4: crashed: INFO: task hung in nbd_ioctl run #5: crashed: INFO: task hung in nbd_ioctl run #6: crashed: INFO: task hung in nbd_ioctl run #7: crashed: INFO: task hung in nbd_ioctl run #8: crashed: INFO: task hung in nbd_ioctl run #9: crashed: INFO: task hung in nbd_ioctl # git bisect good b10733527bfd864605c33ab2e9a886eec317ec39 Bisecting: 1133 revisions left to test after this (roughly 10 steps) [79c0c1f0389db60f3c83ec91585a39d16e036f21] Merge tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 79c0c1f0389db60f3c83ec91585a39d16e036f21 with gcc (GCC) 8.1.0 kernel signature: 338f224ffbcbf02efe737e15c658c4ed47d91d41168ad11acf0015c18de0bd5b all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good 79c0c1f0389db60f3c83ec91585a39d16e036f21 Bisecting: 564 revisions left to test after this (roughly 9 steps) [a06caa4a68ce7d134b342966e65e7bd2dfa2eead] Merge branch 'akpm' (patches from Andrew) testing commit a06caa4a68ce7d134b342966e65e7bd2dfa2eead with gcc (GCC) 8.1.0 kernel signature: 947c8aa51e0536f29391337ba016425890052a3a76286c40105bb2df8083c069 run #0: crashed: INFO: task hung in nbd_ioctl run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky # git bisect good a06caa4a68ce7d134b342966e65e7bd2dfa2eead Bisecting: 282 revisions left to test after this (roughly 8 steps) [91807efbe8ec7f591085067d9f96a112e015274b] media: i2c: add OV02A10 image sensor driver testing commit 91807efbe8ec7f591085067d9f96a112e015274b with gcc (GCC) 8.1.0 kernel signature: cf33c8b0df9aa2819a563367b69575feb3a941edfcc5ec7755d434bbd7d7270f all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good 91807efbe8ec7f591085067d9f96a112e015274b Bisecting: 141 revisions left to test after this (roughly 7 steps) [c64cf71d10c36513071ca538f59e4c38eb25ae55] media: ccs-pll: Fix comment on check against maximum PLL multiplier testing commit c64cf71d10c36513071ca538f59e4c38eb25ae55 with gcc (GCC) 8.1.0 kernel signature: e49a2919dca03c7ab453ece18599cf1ab232aee9c1a62e9149ed176d319a2220 all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good c64cf71d10c36513071ca538f59e4c38eb25ae55 Bisecting: 69 revisions left to test after this (roughly 6 steps) [ec6f5e0e5ca0764b4bc522c9f9d5abf876a0e3e3] Merge tag 'x86-urgent-2020-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit ec6f5e0e5ca0764b4bc522c9f9d5abf876a0e3e3 with gcc (GCC) 8.1.0 kernel signature: ab5ba8f85c18e0222b29d024994ffb6378cbcbc6f06177be122f3d627856b0e2 run #0: crashed: INFO: task hung in nbd_ioctl run #1: crashed: INFO: task hung in nbd_ioctl run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good ec6f5e0e5ca0764b4bc522c9f9d5abf876a0e3e3 Bisecting: 33 revisions left to test after this (roughly 5 steps) [ae1985b50afaf76aaa09946ee36b59eaecb2ffae] Merge tag 'for-5.11/revert-problem-v5.10-raid-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm testing commit ae1985b50afaf76aaa09946ee36b59eaecb2ffae with gcc (GCC) 8.1.0 kernel signature: 484bdcf91d12269b48078bbdc1e609e05c51c767cfac3d38fd3f5e8d2eba0c55 run #0: crashed: INFO: task hung in nbd_ioctl run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good ae1985b50afaf76aaa09946ee36b59eaecb2ffae Bisecting: 16 revisions left to test after this (roughly 4 steps) [36154b68b8d9c4a3d771c0d2c58be03927350480] media: ccs-pll: Fix VT post-PLL divisor calculation testing commit 36154b68b8d9c4a3d771c0d2c58be03927350480 with gcc (GCC) 8.1.0 kernel signature: e49a2919dca03c7ab453ece18599cf1ab232aee9c1a62e9149ed176d319a2220 all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good 36154b68b8d9c4a3d771c0d2c58be03927350480 Bisecting: 8 revisions left to test after this (roughly 3 steps) [7ea4d23293300ca2f225595849a4fe444fb80ea4] media: ccs: Add support for obtaining C-PHY configuration from firmware testing commit 7ea4d23293300ca2f225595849a4fe444fb80ea4 with gcc (GCC) 8.1.0 kernel signature: e49a2919dca03c7ab453ece18599cf1ab232aee9c1a62e9149ed176d319a2220 run #0: OK run #1: crashed: INFO: task hung in nbd_ioctl run #2: crashed: INFO: task hung in nbd_ioctl run #3: crashed: INFO: task hung in nbd_ioctl run #4: crashed: INFO: task hung in nbd_ioctl run #5: crashed: INFO: task hung in nbd_ioctl run #6: crashed: INFO: task hung in nbd_ioctl run #7: crashed: INFO: task hung in nbd_ioctl run #8: crashed: INFO: task hung in nbd_ioctl run #9: crashed: INFO: task hung in nbd_ioctl # git bisect good 7ea4d23293300ca2f225595849a4fe444fb80ea4 Bisecting: 4 revisions left to test after this (roughly 2 steps) [d9594e0409651a237903a13c9718df889f43d43b] tomoyo: fix clang pointer arithmetic warning testing commit d9594e0409651a237903a13c9718df889f43d43b with gcc (GCC) 8.1.0 kernel signature: 6011592e35f9edb88ce360a5465b7b8b6ae0011a026c93388bc4fabc859d69e7 all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good d9594e0409651a237903a13c9718df889f43d43b Bisecting: 2 revisions left to test after this (roughly 1 step) [1b6b924efeb9e46f0ca2ebe5b9bb6b276defe52d] tomoyo: Fix null pointer check testing commit 1b6b924efeb9e46f0ca2ebe5b9bb6b276defe52d with gcc (GCC) 8.1.0 kernel signature: 533c6b74f406177179930dc99f735f3079ceb75e5d742a51871f6031e8c61135 all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good 1b6b924efeb9e46f0ca2ebe5b9bb6b276defe52d Bisecting: 1 revision left to test after this (roughly 1 step) [15269fb193108ba8a3774507d0bbd70949ab610d] tomoyo: Fix typo in comments. testing commit 15269fb193108ba8a3774507d0bbd70949ab610d with gcc (GCC) 8.1.0 kernel signature: 533c6b74f406177179930dc99f735f3079ceb75e5d742a51871f6031e8c61135 all runs: crashed: INFO: task hung in nbd_ioctl # git bisect good 15269fb193108ba8a3774507d0bbd70949ab610d Bisecting: 0 revisions left to test after this (roughly 0 steps) [fab0fca1da5cdc48be051715cd9787df04fdce3a] Merge tag 'media/v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit fab0fca1da5cdc48be051715cd9787df04fdce3a with gcc (GCC) 8.1.0 kernel signature: 14745cfa6b32a78185992ef9d56a95c6356353bb6be1302e4f016f656ab73d8a run #0: crashed: INFO: task hung in nbd_ioctl run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good fab0fca1da5cdc48be051715cd9787df04fdce3a da0628559871475b482f015dc24c9bef372936e4 is the first bad commit commit da0628559871475b482f015dc24c9bef372936e4 Merge: fab0fca1da5c 15269fb19310 Author: Linus Torvalds Date: Mon Dec 14 12:05:10 2020 -0800 Merge tag 'tomoyo-pr-20201214' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1 Pull tomoyo updates from Tetsuo Handa: "Limit recursion depth, fix clang warning, fix comment typo, and silence memory allocation failure warning" * tag 'tomoyo-pr-20201214' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1: tomoyo: Fix typo in comments. tomoyo: Fix null pointer check tomoyo: Limit wildcard recursion depth. tomoyo: fix clang pointer arithmetic warning tomoyo: Loosen pathname/domainname validation. security/tomoyo/audit.c | 2 +- security/tomoyo/common.c | 8 +++--- security/tomoyo/condition.c | 2 +- security/tomoyo/domain.c | 6 ++--- security/tomoyo/gc.c | 2 +- security/tomoyo/memory.c | 4 +-- security/tomoyo/securityfs_if.c | 6 ++--- security/tomoyo/util.c | 55 ++++++++++++++++++++++------------------- 8 files changed, 44 insertions(+), 41 deletions(-) Reproducer flagged being flaky revisions tested: 18, total time: 3h55m0.696396703s (build: 1h39m58.279919446s, test: 2h12m57.295583853s) first good commit: da0628559871475b482f015dc24c9bef372936e4 Merge tag 'tomoyo-pr-20201214' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1 recipients (to): ["clang-built-linux@googlegroups.com" "natechancellor@gmail.com" "ndesaulniers@google.com" "torvalds@linux-foundation.org"] recipients (cc): []