ci2 starts bisection 2023-10-17 17:15:26.817088243 +0000 UTC m=+82918.790870690
bisecting fixing commit since 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95
building syzkaller on 62df2017e3b1edd786a4c737bd4ccba2b4581d88
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: d0c44caf6f7cc1ba18c2dd35684368284b148277112fe7b7939424e55bfc0227
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN 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: a2ba0a22eadd3fcb058fd30431be204fa09788d4c7f7a6fc502b83235578566f
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
kconfig minimization: base=3703 full=7272 leaves diff=1986
split chunks (needed=false): <1986>
split chunk #0 of len 1986 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN KASAN LOCKDEP 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: c69735bb05caa64427eeefd915a2c60fd6ba9a8fb80f18d1b21645a2e5b6d87f
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], 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: 2a90af6f95ac6142c6171567fd260f00f0a7fe84d74dc5f77e4c35849e01d33c
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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: 7f8bb08d6480e5b2f162e23e00f4d78d82c18a34b36683e6fb414b9a4649a52f
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], 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: 8e41d0ed1c1924f0b441bd11fd75543c9cabcdfdf66c99a7a8543d074d8110ff
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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: fed56eb870813c4d6c82d1837043327586a118ec83cce0adbe5de120b4dd131d
all runs: crashed: WARNING in del_gendisk
representative crash: WARNING in del_gendisk, types: [WARNING]
the chunk can be dropped
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
determining the merge base between 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 and 213f891525c222e8ed145ce1ce7ae1f47921cb9c
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: 04d86b8b5f03dedd71be6a985823aca73b57f0277485f29afdfc259ed9d7d6a9
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: 49m53.60484711s (build: 18m42.450608875s, test: 29m16.464416069s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15