ci2 starts bisection 2024-09-08 03:18:45.320162428 +0000 UTC m=+130038.984017995
bisecting fixing commit since 909ba1f1b4146de529469910c1bd0b1248964536
building syzkaller on 20bf80e1d6eb340a35a841a099b8dca81e42ff5e
ensuring issue is reproducible on original commit 909ba1f1b4146de529469910c1bd0b1248964536

testing commit 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6446050a7fb3cb229fa6b70db964e044042f303f6da3c529baf3e888750d2dcc
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 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3d0904c983069817e446d48b95b97d8db6fffd170ddff58de0055f6a5eeed184
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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
kconfig minimization: base=3824 full=7456 leaves diff=1985
split chunks (needed=false): <1985>
split chunk #0 of len 1985 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 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d83328a42d8db63d6e20c505d23fff54fc7a89e905a3c5409df4239924a8a7ec
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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2f5db50fe88b515f2cbce29e037205fcf34791fc53a9ce0f20dcd776541e8303
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 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b80ab415c05cd9e00e147b2339e753cefda9faaf983bb6c7cd4c0ff864a39db6
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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ad61cf6603ebe1dcc9741bc58bc5ac2c7c49dfe5f334fc41179197e83338e8e3
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 909ba1f1b4146de529469910c1bd0b1248964536 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2905c2dabb74324447177ec9786368e453490b1682acb75b0a89050004cb8ebc
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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing current HEAD 69950617349402d1c952a54a5edc9a323a7c36b4
testing commit 69950617349402d1c952a54a5edc9a323a7c36b4 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cbf4e14c1f9f0f64942be54c04979bfea12ac75955fe42087e08daaf0d6f7830
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: 1h6m27.354830121s (build: 28m48.373539438s, test: 35m11.052183257s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1.108
crash: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
2024/09/08 04:24:49 parsed 1 programs
2024/09/08 04:24:49 [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)