ci2 starts bisection 2023-09-06 00:39:22.546182318 +0000 UTC m=+81774.653414531
bisecting fixing commit since 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95
building syzkaller on 18b586030b9a7e7f4c7208f44be8994740608841
ensuring issue is reproducible on original commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95

testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0d0361806a289685f359d0950642d59f765bd0369a4e583e48f20a6d28e5ae78
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed
testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 174bb3599b663050b4fd9843a7cdd3d19c5d7ef098ca16c8409cd2a92cf3e065
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
kconfig minimization: base=3703 full=7270 leaves diff=1979
split chunks (needed=false): <1979>
split chunk #0 of len 1979 into 5 parts
testing without sub-chunk 1/5
disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 66257ec387e9a1fc8875ac8df9a1372497c809cc5224b9f2d9c432e533a66742
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a23e342be2553e5fe2cc48bda8dcb9d68f4a2b939a923c7db8ff28edeea351d0
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 556d96b3414af20986d16c209e3cf58a4b8a509819f97ee75e56a7b67019a32e
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6e90d2c654fa93feb5763de215ba47c987b19ad0779e7385d6ccdeee2adb4531
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b01912e1ad8eb498457b979e525a93068a515a85d392e634e3c69f602cbecd4b
all runs: crashed: possible deadlock in jbd2_journal_lock_updates
representative crash: possible deadlock in jbd2_journal_lock_updates, types: [LOCKDEP]
the chunk can be dropped
disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
determining the merge base between 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 and 65d6e954e37872fd9afb5ef3fc0481bb3c2f20f4
8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5c0c0015f2026180fda97ca8940eccc3527f81b43257d0f6a9e6a81417fc78de
all runs: OK
false negative chance: 0.000
reproducer does not crash the merge base, so there's no known bad commit
revisions tested: 8, total time: 1h0m11.665713026s (build: 28m11.438960659s, test: 29m54.570509796s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15