ci2 starts bisection 2026-07-01 23:07:25.764061173 +0000 UTC m=+22698.089865335
bisecting fixing commit since c27210688955656e93e26cffab0a82bbca4e5d2b
building syzkaller on de5aae85e5f28e2fa1c7deefcc24fe286abe5140
ensuring issue is reproducible on original commit c27210688955656e93e26cffab0a82bbca4e5d2b

testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: fcc7e32c3521a507ae0c5b44cf26a3764b1233212a292ebac23d24b4309c1994
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 4dc9aefe69ea2c7a3349912473b78ebb0b0c303f626c58ddb101d8656f8d0ce9
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
the bug reproduces without the instrumentation
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=3829 full=7620 leaves diff=2128
split chunks (needed=false): <2128>
split chunk #0 of len 2128 into 5 parts
testing without sub-chunk 1/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 298308ff1738d1ad2aae9bdf4b96ee2b6e95e0ef6d2b5e13cbc6d7ec727070d9
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: a5852c84f5012ab425ac219eed179f386f81c511c2f160e3e9e1057bd11043a7
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: bb1f15102fdeab496c989471bb3c730fc0ed3db9e5d22886523d4b5eaee6b14f
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: abb2fabe4df2579f906bfe7147fd584724703f4b8292ae8a2d0e4247ec288904
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit c27210688955656e93e26cffab0a82bbca4e5d2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: cfe4bebe4c58a0eae7922a89c3afb94bcf9c2a48c8425db8fe25c0e24b6b0bbd
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
the chunk can be dropped
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing current HEAD fdb6fcb41cc741ad5eaa7995f278dfcb94fdf795
testing commit fdb6fcb41cc741ad5eaa7995f278dfcb94fdf795 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: fd47b8a227f6ebf021c91fcbc585e7a279f96c8da0f53ef6515b551b88b0b9e8
all runs: crashed: SYZFAIL: posix_spawnp failed
representative crash: SYZFAIL: posix_spawnp failed, types: [SYZ_FAILURE]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 2h42m47.014859236s (build: 46m3.982448626s, test: 58m47.834106113s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1.176
crash: SYZFAIL: posix_spawnp failed
Setting up swapspace version 1, size = 127995904 bytes
2026/07/02 01:47:12 executed programs: 0
2026/07/02 01:47:17 executed programs: 183
2026/07/02 01:47:22 executed programs: 477
SYZFAIL: posix_spawnp failed
 (errno 2: No such file or directory)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:37819->127.0.0.1:34520: read: connection reset by peer