ci2 starts bisection 2025-03-22 14:46:02.851143234 +0000 UTC m=+66943.804256397 bisecting fixing commit since dccb07f2914cdab2ac3a5b6c98406f765acab803 building syzkaller on 4cf3f9b3f15d248d052cd369d23308c953d657d9 ensuring issue is reproducible on original commit dccb07f2914cdab2ac3a5b6c98406f765acab803 testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f024dea04b9abf5caff1b53a649239ab332d4df480dd824db22ef538ae74263d 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b16e1000d54fefd7db6684d5a52e8f2ddfdede87c74b927de70ce9ed86416b0a 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed kconfig minimization: base=4054 full=8000 leaves diff=2016 split chunks (needed=false): <2016> split chunk #0 of len 2016 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 54f2cddb7c8798b0d8b379afebc555939075118453fa5954ea8efcb67ddf5f99 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 dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d54986efcd130608def54d12293e8e4161b6f81525393d496b892ba22c87b059 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6b73d3518e63edbc1cef252c904e9637995524d2f7be095c71830d4a41d8258 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 dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8850be77a02ec1c2171b4d506297f4d60c3a10830f2d226408240e702e608852 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 76c80504c72e8d4fcb4ca09e15073684c0ed62a1f9ff44994e61c4a5975f11c6 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing current HEAD 88d324e69ea9f3ae1c1905ea75d717c08bdb8e15 testing commit 88d324e69ea9f3ae1c1905ea75d717c08bdb8e15 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 271b7d13ae6060abd467c50a51c9976fc993c31cb874cc9a1c54c75963cdfc1c 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: 2h5m39.731642847s (build: 1h17m56.107182218s, test: 37m26.643795882s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'spi-fix-v6.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed 2025/03/22 16:51:18 parsed 1 programs 2025/03/22 16:51:18 [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)