ci starts bisection 2024-08-22 13:08:46.515768126 +0000 UTC m=+106.638771517 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: c60bb7ec713fb72908a5641121719cba4c3f6b7ac61995dd970b0763a5b54c0d 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: 5771e9b19794383ab85c34a690a41819d065ff994c89271d96e0219fdb1dcdb8 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=4001 full=8007 leaves diff=2007 split chunks (needed=false): <2007> split chunk #0 of len 2007 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: 6c4b14422abf6340560758187c5248e507d4739b7ad4e9bb23d83acacd6de4ba 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: 08f75f73314d33324f8cf3c17500b1fb58c2da12e83576d2619363b83b872a1f 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 [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: 8d78b74655a0f17d6dc282bdb25e48c8642d89e7c57a563cb9f696dcfc609393 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 [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: c34151104a0220ce6092254a22909f8ef1752539b9b95c6b2785edce63085ced 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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: 8e8b931f0d8ed736a53091594571c1acec1260e212392c467b81adc25a83f385 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 872cf28b8df9c5c3a1e71a88ee750df7c2513971 testing commit 872cf28b8df9c5c3a1e71a88ee750df7c2513971 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad1eb29d1cb20f3cfa2b3ce01402e42a6b5f23b3ee4d11d51c8ecf57c8ac4fcc 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: 1h43m39.067530638s (build: 57m42.105854459s, test: 27m21.558885079s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'platform-drivers-x86-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed 2024/08/22 14:51:59 parsed 1 programs 2024/08/22 14:51:59 [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)