ci starts bisection 2024-10-13 12:16:02.257553964 +0000 UTC m=+127165.320548296
bisecting fixing commit since 6d7ddd805123e03db0a16c7dbc8509366432a630
building syzkaller on 20bf80e1d6eb340a35a841a099b8dca81e42ff5e
ensuring issue is reproducible on original commit 6d7ddd805123e03db0a16c7dbc8509366432a630

testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8274cc21067ee7fe0bb5695936a1bc4cab49c55c5891f4233655d4aaad9a2319
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7f47037c8bdaf2310a7363eecd00cc15a114ad801ae1a21375d9e369afad03e6
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=4037 full=8000 leaves diff=2002
split chunks (needed=false): <2002>
split chunk #0 of len 2002 into 5 parts
testing without sub-chunk 1/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 453a153696cbf2b71b1cb39f1b8bc9b29255135337f9d78a305f3b90967e121b
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 958a7ce68add396848d40d15cd9550732f06b0b009e6bb48d3baa458a4a6ca74
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dd696996a7f71cbb2407de310e02002e2678cd66147ba8d0a7ca62c0c7b8f536
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 40477922bcb8998079a0d4ad30204136ab5e532ff71ed561b3094d33e95b15e0
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 6d7ddd805123e03db0a16c7dbc8509366432a630 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e2d98b1dc89efb00accd2dc7cae38a5c1e023a00c22acba0ca8534c16d2eaa20
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
the chunk can be dropped
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD 36c254515dc6592c44db77b84908358979dd6b50
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5bfc516a8b88b44dfba68cb22227f161d53d5ca0c27d57dea29b3413e536e8a2
all runs: crashed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
representative crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed, types: [SYZ_FAILURE]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 1h32m11.2717622s (build: 1h3m2.981283941s, test: 24m4.247779878s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'powerpc-6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
2024/10/13 13:47:48 parsed 1 programs
2024/10/13 13:47:48 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
write(/proc/sys/fs/binfmt_misc/register) failed: 17
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
 (errno 17: File exists)