ci2 starts bisection 2024-02-17 02:30:31.500580125 +0000 UTC m=+79403.497638628 bisecting fixing commit since 7475e51b87969e01a6812eac713a1c8310372e8a building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759 ensuring issue is reproducible on original commit 7475e51b87969e01a6812eac713a1c8310372e8a testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40e0ef1bb508506f13379936dfc638204ac2adf1b63742031aa521bb90926e62 run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: use-after-free Read in ext4_search_dir run #4: crashed: KASAN: out-of-bounds Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir run #10: crashed: KASAN: slab-out-of-bounds Read in ext4_search_dir run #11: crashed: KASAN: use-after-free Read in ext4_search_dir run #12: crashed: KASAN: slab-out-of-bounds Read in ext4_search_dir run #13: crashed: KASAN: use-after-free Read in ext4_search_dir run #14: crashed: KASAN: use-after-free Read in ext4_search_dir run #15: crashed: KASAN: use-after-free Read in ext4_search_dir run #16: crashed: KASAN: use-after-free Read in ext4_search_dir run #17: crashed: KASAN: use-after-free Read in ext4_search_dir run #18: crashed: KASAN: use-after-free Read in ext4_search_dir run #19: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor264427431" "root@10.128.15.197:./syz-executor264427431"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.197, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.197 [10.128.15.197] port 22. debug1: connect to address 10.128.15.197 port 22: Connection timed out ssh: connect to host 10.128.15.197 port 22: Connection timed out scp: Connection closed representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a036d0bf1c478f6fb770068fe37c77ec15d38c0f5e6b14bebfe5094f4d5cd53f all runs: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3932 full=7651 leaves diff=2012 split chunks (needed=false): <2012> split chunk #0 of len 2012 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e6304cc6437c69766fca9c4315641fb1b1ccff89d65b72ff384b5b410d7ab042 run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: out-of-bounds Read in ext4_search_dir run #2: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #3: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 606aee0bcc8223a89e7eb33c7ce1cea8987c86d5e2924beadbe5ffa7c8930615 run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #3: crashed: KASAN: use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a13d92a8076fd7d2f026e3952654ee462fe7ee552cba114d5554a2b365296686 run #0: crashed: KASAN: slab-out-of-bounds Read in ext4_match run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #8: crashed: KASAN: use-after-free Read in ext4_search_dir run #9: crashed: KASAN: slab-use-after-free Read in ext4_search_dir representative crash: KASAN: slab-out-of-bounds Read in ext4_match, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73a054df2a35964383a738ea27da79f35f96a4b5a7b4597597cded5a02ddb1c6 all runs: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 7475e51b87969e01a6812eac713a1c8310372e8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 142d38b92db4457e92bb16047443ae4251b3629a42a66d1f3dc9e81766bc91db run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] the chunk can be dropped disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing current HEAD c1ca10ceffbb289ed02feaf005bc9ee6095b4507 testing commit c1ca10ceffbb289ed02feaf005bc9ee6095b4507 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3077d9358da8dee3f425fcf6d2fe631cd6b11d6342d408e5d5bbda4bb8b3a18 all runs: OK false negative chance: 0.000 # git bisect start c1ca10ceffbb289ed02feaf005bc9ee6095b4507 7475e51b87969e01a6812eac713a1c8310372e8a Bisecting: 8343 revisions left to test after this (roughly 13 steps) [70d201a40823acba23899342d62bc2644051ad2e] Merge tag 'f2fs-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 70d201a40823acba23899342d62bc2644051ad2e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbe1471bc708fb12ec68fe9656b68ba8fe663811e6c15e9620b38b480380714a all runs: OK false negative chance: 0.000 # git bisect bad 70d201a40823acba23899342d62bc2644051ad2e Bisecting: 4171 revisions left to test after this (roughly 12 steps) [49f4810356f7d4294ad63dc70fe3c65ca3b8ada9] Merge tag 'nfsd-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 49f4810356f7d4294ad63dc70fe3c65ca3b8ada9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f93c1f9f4e8750b91941cb29d10a8140986fdbc40044bfcbafd720e5cf1addfe all runs: OK false negative chance: 0.000 # git bisect bad 49f4810356f7d4294ad63dc70fe3c65ca3b8ada9 Bisecting: 2084 revisions left to test after this (roughly 11 steps) [c21fd7a8e86c0e069b512462ffd69bcf179387c8] NFSD: Replace RQ_SPLICE_OK in nfsd_read() determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit c21fd7a8e86c0e069b512462ffd69bcf179387c8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a97b9d1dc8b7ee6a42f4b503701bd40a325526837470cb3f1ff74b7e796ece1b all runs: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] # git bisect good c21fd7a8e86c0e069b512462ffd69bcf179387c8 Bisecting: 964 revisions left to test after this (roughly 10 steps) [9f2a635235823cf016eb8af0aeb3c0b2b25cea64] Merge tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 9f2a635235823cf016eb8af0aeb3c0b2b25cea64 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8f16a60b878d33628a3edf52a5b96e7e79da3478965b700ea86a41803a4c935 all runs: OK false negative chance: 0.000 # git bisect bad 9f2a635235823cf016eb8af0aeb3c0b2b25cea64 Bisecting: 557 revisions left to test after this (roughly 9 steps) [9f8413c4a66f2fb776d3dc3c9ed20bf435eb305e] Merge tag 'cgroup-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 9f8413c4a66f2fb776d3dc3c9ed20bf435eb305e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 93b1e948306fb2a7fe87fccc5cfe0241a090a1ee24f857bdacfbfd1983f87823 all runs: OK false negative chance: 0.000 # git bisect bad 9f8413c4a66f2fb776d3dc3c9ed20bf435eb305e Bisecting: 256 revisions left to test after this (roughly 8 steps) [968b80332432172dbbb773e749a43bdc846d1a13] Merge tag 'powerpc-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 968b80332432172dbbb773e749a43bdc846d1a13 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bd17f4994ee6798e5a9e9b3af1ed80f330efa169640aad46bdc912bff6a8b34c all runs: OK false negative chance: 0.000 # git bisect bad 968b80332432172dbbb773e749a43bdc846d1a13 Bisecting: 145 revisions left to test after this (roughly 7 steps) [1dee7f509db20402a25be94003f8f1ac3e17bdc1] Merge tag 'edac_updates_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 1dee7f509db20402a25be94003f8f1ac3e17bdc1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c1a185a52db1898fb5bf1eb406d3710b5b2c0ad99cebfde1075188f78ccef27 all runs: OK false negative chance: 0.000 # git bisect bad 1dee7f509db20402a25be94003f8f1ac3e17bdc1 Bisecting: 80 revisions left to test after this (roughly 6 steps) [8c9440fea77440772542d6dbcb5c36182495c164] Merge tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit 8c9440fea77440772542d6dbcb5c36182495c164 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0bd80efc08905c74b7bd658b9575924cee6d626856c2c78f708743c19642c056 all runs: OK false negative chance: 0.000 # git bisect bad 8c9440fea77440772542d6dbcb5c36182495c164 Bisecting: 38 revisions left to test after this (roughly 5 steps) [c604110e662a54568073a03176402b624e740310] Merge tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 7475e51b87969e01a6812eac713a1c8310372e8a crashed and is reachable testing commit c604110e662a54568073a03176402b624e740310 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 07a757ca25e8c4440300827f67535d05f0c094daefc791d8c23fbf34ea7fcaac run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #8: crashed: KASAN: use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] # git bisect good c604110e662a54568073a03176402b624e740310 Bisecting: 19 revisions left to test after this (roughly 4 steps) [cd34758c5238ae6976b10fe15bba7031b409c969] block: Remove blkdev_get_by_*() functions determine whether the revision contains the guilty commit checking the merge base b85ea95d086471afb4ad062012a4d73cd328fa86 no existing result, test the revision testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 087278f6b19947c8fabef1cc68478c11dc745813299e87e7a5a1924df9f558eb run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #9: crashed: KASAN: slab-use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] testing commit cd34758c5238ae6976b10fe15bba7031b409c969 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f9521c524819e82d898c939ea8ef0849e1be2275a6ad15f0e47b941611c1e744 run #0: crashed: KASAN: out-of-bounds Read in ext4_search_dir run #1: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: out-of-bounds Read in ext4_search_dir, types: [KASAN] # git bisect good cd34758c5238ae6976b10fe15bba7031b409c969 Bisecting: 9 revisions left to test after this (roughly 3 steps) [5bd3cf8cbc8a286308ef3f40656659d5abc89995] add selftest for statmount/listmount determine whether the revision contains the guilty commit revision b85ea95d086471afb4ad062012a4d73cd328fa86 crashed and is reachable testing commit 5bd3cf8cbc8a286308ef3f40656659d5abc89995 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b3e2ee6f4136cbf69acc4bf5e0c79e4a58757871bc45fc21dc0f001d62f0e8e0 run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #3: crashed: KASAN: use-after-free Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: slab-use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] # git bisect good 5bd3cf8cbc8a286308ef3f40656659d5abc89995 Bisecting: 4 revisions left to test after this (roughly 2 steps) [afde134b5bd02a5c719336ca1d0d3cb7e4def70e] ext4: Block writes to journal device determine whether the revision contains the guilty commit revision cd34758c5238ae6976b10fe15bba7031b409c969 crashed and is reachable testing commit afde134b5bd02a5c719336ca1d0d3cb7e4def70e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28dc5c065e44c664811bbd4a24575a56be9b83744826cebb55ca0873e9c75721 all runs: OK false negative chance: 0.000 # git bisect bad afde134b5bd02a5c719336ca1d0d3cb7e4def70e Bisecting: 2 revisions left to test after this (roughly 1 step) [ead622674df5a3ae575b964090bee65f6b7f805f] btrfs: Do not restrict writes to btrfs devices determine whether the revision contains the guilty commit revision b85ea95d086471afb4ad062012a4d73cd328fa86 crashed and is reachable testing commit ead622674df5a3ae575b964090bee65f6b7f805f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3cea149ab8377fd5e0551a49f26e55be0f5f20780374c5e4b644c9d8a71dc83 run #0: crashed: KASAN: use-after-free Read in ext4_search_dir run #1: crashed: KASAN: use-after-free Read in ext4_search_dir run #2: crashed: KASAN: use-after-free Read in ext4_search_dir run #3: crashed: KASAN: slab-out-of-bounds Read in ext4_search_dir run #4: crashed: KASAN: use-after-free Read in ext4_search_dir run #5: crashed: KASAN: use-after-free Read in ext4_search_dir run #6: crashed: KASAN: use-after-free Read in ext4_search_dir run #7: crashed: KASAN: use-after-free Read in ext4_search_dir run #8: crashed: KASAN: use-after-free Read in ext4_search_dir run #9: crashed: KASAN: use-after-free Read in ext4_search_dir representative crash: KASAN: use-after-free Read in ext4_search_dir, types: [KASAN] # git bisect good ead622674df5a3ae575b964090bee65f6b7f805f Bisecting: 0 revisions left to test after this (roughly 1 step) [3584c8f48a70c1f74c7b7bab59cf22bb66224649] xfs: Block writes to log device determine whether the revision contains the guilty commit revision cd34758c5238ae6976b10fe15bba7031b409c969 crashed and is reachable testing commit 3584c8f48a70c1f74c7b7bab59cf22bb66224649 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 030e463a085c1123386516136c7f23b8f51007b28bc51f2d612aad377685b27c all runs: OK false negative chance: 0.000 # git bisect bad 3584c8f48a70c1f74c7b7bab59cf22bb66224649 Bisecting: 0 revisions left to test after this (roughly 0 steps) [6f861765464f43a71462d52026fbddfc858239a5] fs: Block writes to mounted block devices determine whether the revision contains the guilty commit revision cd34758c5238ae6976b10fe15bba7031b409c969 crashed and is reachable testing commit 6f861765464f43a71462d52026fbddfc858239a5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3c4c048a1d33cb9ffd4e3474fdf48e305d862c943410e5125889788455331b3c all runs: OK false negative chance: 0.000 # git bisect bad 6f861765464f43a71462d52026fbddfc858239a5 6f861765464f43a71462d52026fbddfc858239a5 is the first bad commit commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 18:43:10 2023 +0100 fs: Block writes to mounted block devices Ask block layer to block writes to block devices mounted by filesystems. Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20231101174325.10596-5-jack@suse.cz Reviewed-by: Christian Brauner Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner include/linux/blkdev.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: 3c4c048a1d33cb9ffd4e3474fdf48e305d862c943410e5125889788455331b3c parent signature: f3cea149ab8377fd5e0551a49f26e55be0f5f20780374c5e4b644c9d8a71dc83 revisions tested: 24, total time: 4h23m49.290565774s (build: 1h34m4.763215476s, test: 2h39m54.632913614s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []