ci2 starts bisection 2024-03-20 05:20:25.450782957 +0000 UTC m=+11130.441347037
bisecting fixing commit since 3b517966c5616ac011081153482a5ba0e91b17ff
building syzkaller on 8e26a358122e06b336ae4824141abc32e31e3d7a
ensuring issue is reproducible on original commit 3b517966c5616ac011081153482a5ba0e91b17ff

testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 35810a5cdd11d7cf595283b6f845922a128f1ea1986855bcc2bf5d5fd65401c7
all runs: crashed: INFO: task hung in sync_inodes_sb
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d24ffc9b78db51e50886c3d2076db10e4810b8236f4975ce33595e3d0050b395
run #0: crashed: INFO: task hung in sync_inodes_sb
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
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
kconfig minimization: base=3932 full=7686 leaves diff=2012
split chunks (needed=false): <2012>
split chunk #0 of len 2012 into 5 parts
testing without sub-chunk 1/5
testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fbfee549e9175f08308d1347567a5ae7c7322ee1862f5b5bdb42a40ebe524417
all runs: crashed: INFO: task hung in sync_inodes_sb
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b1e84462df17da72a9ddcee23ccec3a963f3f8f1fe68162f50ec7c57f3679397
all runs: crashed: INFO: task hung in sync_inodes_sb
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6235c1d1943ac6faf338898b88ddc4d1027f31ac314d9c48bd715353b4bbd565
run #0: crashed: INFO: task hung in sync_inodes_sb
run #1: crashed: INFO: task hung in sync_inodes_sb
run #2: crashed: INFO: task hung in sync_inodes_sb
run #3: crashed: INFO: task hung in sync_inodes_sb
run #4: crashed: INFO: task hung in sync_inodes_sb
run #5: crashed: INFO: task hung in sync_inodes_sb
run #6: crashed: INFO: task hung in sync_inodes_sb
run #7: crashed: INFO: task hung in sync_inodes_sb
run #8: crashed: INFO: task hung in sync_inodes_sb
run #9: crashed: INFO: task hung in sync_inodes_sb
run #10: crashed: INFO: task hung in sync_inodes_sb
run #11: crashed: INFO: task hung in sync_inodes_sb
run #12: crashed: INFO: task hung in sync_inodes_sb
run #13: crashed: INFO: task hung in sync_inodes_sb
run #14: crashed: INFO: task hung in sync_inodes_sb
run #15: crashed: INFO: task hung in sync_inodes_sb
run #16: crashed: INFO: task hung in sync_inodes_sb
run #17: crashed: INFO: task hung in sync_inodes_sb
run #18: crashed: INFO: task hung in sync_inodes_sb
run #19: OK
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a09ad1ed580e4e7c2a6ade8dfafa0b3e76f832abfc3dc950fd9915108d13d289
all runs: crashed: INFO: task hung in sync_inodes_sb
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 09730e65fdf62bc5b14af61701b4f023fb9bb57563fcd0b3f362b7bde8d515a2
run #0: crashed: kernel BUG in ext4_mb_release_inode_pa
run #1: crashed: INFO: task hung in sync_inodes_sb
run #2: crashed: INFO: task hung in sync_inodes_sb
run #3: crashed: INFO: task hung in sync_inodes_sb
run #4: crashed: INFO: task hung in sync_inodes_sb
run #5: crashed: INFO: task hung in sync_inodes_sb
run #6: crashed: INFO: task hung in sync_inodes_sb
run #7: crashed: INFO: task hung in sync_inodes_sb
run #8: crashed: INFO: task hung in sync_inodes_sb
run #9: crashed: INFO: task hung in sync_inodes_sb
run #10: crashed: INFO: task hung in sync_inodes_sb
run #11: crashed: INFO: task hung in sync_inodes_sb
run #12: crashed: INFO: task hung in sync_inodes_sb
run #13: crashed: INFO: task hung in sync_inodes_sb
run #14: crashed: INFO: task hung in sync_inodes_sb
run #15: crashed: INFO: task hung in sync_inodes_sb
run #16: crashed: INFO: task hung in sync_inodes_sb
run #17: crashed: INFO: task hung in sync_inodes_sb
run #18: crashed: INFO: task hung in sync_inodes_sb
run #19: crashed: INFO: task hung in sync_inodes_sb
representative crash: INFO: task hung in sync_inodes_sb, types: [HANG]
the chunk can be dropped
testing current HEAD a4145ce1e7bc247fd6f2846e8699473448717b37
testing commit a4145ce1e7bc247fd6f2846e8699473448717b37 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c03fb7f16ab568c3bcc3580a71096b492df0dc2bfd0077aae5f234263be7fcf2
all runs: boot failed: WARNING: refcount bug in __free_pages_ok
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
HEAD had kernel build, boot or test errors
reproducer is flaky (1.00 repro chance estimate)
revisions tested: 8, total time: 1h59m55.511268796s (build: 37m24.118944852s, test: 1h18m59.556558339s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'bcachefs-2024-03-19' of https://evilpiepirate.org/git/bcachefs
crash: failed testing reproducer on a4145ce1e7bc247fd6f2846e8699473448717b37