ci2 starts bisection 2026-08-29 10:06:06.028156673 +0000 UTC m=+47911.073683112
bisecting fixing commit since dc5c83b7f5f83ea99aea5c771b1ec77458263a15
building syzkaller on aae9036bf2138d033a302313c71e242a8097b653
ensuring issue is reproducible on original commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15

testing commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: a0f37b4cc9d3ddf25aa49d8a981682303c808e562d90fb9431a68f3bb1b576fd
run #0: crashed: SYZFAIL: pselect failed
run #1: crashed: SYZFAIL: pselect failed
run #2: crashed: SYZFAIL: pselect failed
run #3: crashed: SYZFAIL: pselect failed
run #4: crashed: SYZFAIL: posix_spawnp failed
run #5: crashed: SYZFAIL: pselect failed
run #6: crashed: SYZFAIL: pselect failed
run #7: crashed: SYZFAIL: pselect failed
run #8: crashed: SYZFAIL: pselect failed
run #9: crashed: SYZFAIL: pselect failed
run #10: crashed: SYZFAIL: pselect failed
run #11: crashed: SYZFAIL: pselect failed
run #12: crashed: SYZFAIL: pselect failed
run #13: crashed: SYZFAIL: pselect failed
run #14: crashed: SYZFAIL: pselect failed
run #15: crashed: SYZFAIL: pselect failed
run #16: crashed: SYZFAIL: pselect failed
run #17: crashed: SYZFAIL: pselect failed
run #18: crashed: SYZFAIL: pselect failed
run #19: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
check whether we can drop unnecessary instrumentation
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: e555ec98f96919ee749bf2d6e6c9ac52c4d0422a515be8d87d06eefc8d26f71f
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
the bug reproduces without the instrumentation
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
kconfig minimization: base=7505 full=9788 leaves diff=2010
split chunks (needed=false): <2010>
split chunk #0 of len 2010 into 5 parts
testing without sub-chunk 1/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 7e2772262c8333874b822554d66f1e6fee5084a87b3e1bb0d20dba43f228ac6a
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect 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 dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d3681c7c2f6ede7312f0e72530ebdbf0aecd24b54b82500f00bc2d437c36c763
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 4116091c174925b3409151f1af0eb4805233b02714b832b42eb640ee6efcaacf
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 1925aade8d15a880bbd924d4b14702fdb3e219295e135d947135439bb5440767
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
testing commit dc5c83b7f5f83ea99aea5c771b1ec77458263a15 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 44686c3514e962a946658cb7ddd2779ac0c6964d022bd0eda7816db76366f260
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
the chunk can be dropped
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing current HEAD d64a499eea6b62b5121beceed9e8a1f57b00d863
testing commit d64a499eea6b62b5121beceed9e8a1f57b00d863 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 4f260cad0b3ed1806b4b2296edb8a3a1686fbdf4512d97c6b288bedcdc2dad44
all runs: crashed: SYZFAIL: pselect failed
representative crash: SYZFAIL: pselect failed, types: [SYZ_FAILURE]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 2h8m31.882831011s (build: 50m6.756793274s, test: 1h0m32.665511862s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1.186
crash: SYZFAIL: pselect failed
SYZFAIL: pselect failed
 (errno 12: Cannot allocate memory)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF