ci2 starts bisection 2024-01-02 17:25:32.728064144 +0000 UTC m=+956136.051949715
bisecting fixing commit since 8a1d809b05454b2e08fb3d801787917975fdb037
building syzkaller on 28b24332d95f2f7df44ec7e7a5e0025bcadc6277
ensuring issue is reproducible on original commit 8a1d809b05454b2e08fb3d801787917975fdb037

testing commit 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4a4fc9b972e4c150a42d8b2975024829fffb871a8bc56556b94a8f3e161e044b
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, types: [LOCKDEP]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: edc03ba1afd00420489997af8246577c286899020d3a48a352cbcd16bebe1626
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, types: [LOCKDEP]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed
kconfig minimization: base=3703 full=7267 leaves diff=1983
split chunks (needed=false): <1983>
split chunk #0 of len 1983 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 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ba09561959c72c1b76e996ec2af21adedd41c6d60de8ed2d464de45d27f2554a
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 657412bbdd29bf16a075b0c21bdc366a33ddd8539e67b2efbbcc7d7726e01892
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, 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 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cbb12b4650ae1909d487fea499681151f5b032966d2993f5eb57c093b913458a
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed
testing commit 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f8c78dbe4e59bbad6a89fa50a1545a3e7e22af7ff038eb4605f63920f72bfd54
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, 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 8a1d809b05454b2e08fb3d801787917975fdb037 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4bc80029cb79ca7296c3f87ec975be7d601e0429eda079e593bcb7ee98293d35
all runs: crashed: possible deadlock in __jbd2_log_wait_for_space
representative crash: possible deadlock in __jbd2_log_wait_for_space, types: [LOCKDEP]
the chunk can be dropped
disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
determining the merge base between 8a1d809b05454b2e08fb3d801787917975fdb037 and 610a9b8f49fbcf1100716370d3b5f6f884a2835a
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: 59m58.958237211s (build: 21m9.109731396s, test: 36m55.305120941s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15