ci starts bisection 2024-07-23 05:36:15.103477986 +0000 UTC m=+120.497125939
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: 3ba9ad97409e6d4b85ade9bc7b15c1ec8beae1d188277f10dcefe6c2fe00e5b1
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 [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: 5f193261674bfdc87ce93885bb0dcb28898a938ffb98fc2cbe4411c8bd5fcca1
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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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 [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: 81a46a97b6abc533a087917154fc5a4104bc6c94a075556f798070e9ae0bdaec
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 [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: 86d323e65b53668dbed89cb3802e1e7178a2a746df64ea1858c6e98da7cc6139
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 dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d5ac69520bee8e329638273fbc9285b9211b1da50edd9f8330999246e7b872d5
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: cb2c4aabc07048222a00bb0806b7d4ad5a7d0c3d6d80fb79378aee6d75b0df23
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: 6cb39c52f5598074ff735b4b7566de7ba8b8b62802a3ea6ab2e79245b0cac1a1
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 66ebbdfdeb093e097399b1883390079cd4c3022b
testing commit 66ebbdfdeb093e097399b1883390079cd4c3022b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 80517a03e4453a1551cd1714f6e657459b82166d0deef329e97c27bf2723cc54
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: 2h54m51.952231679s (build: 1h43m33.08831306s, test: 29m32.732163996s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'irq-msi-2024-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
2024/07/23 08:30:40 parsed 1 programs
2024/07/23 08:30:40 [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)