ci2 starts bisection 2025-09-02 06:17:09.918988218 +0000 UTC m=+287455.555222625
bisecting fixing commit since 0bc96de781b4da716c8dbd248af4b26d8d8341f5
building syzkaller on fc9d8ee542c85682943812ee52a252cbc934118d
ensuring issue is reproducible on original commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5

testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: cdd46d3b012944000040e9580d30dfc8ddcf560c9353e692874f0083159a97e9
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed
testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d53d826950d7ce6482330d70ab168faa209210204b9ccadc561dbd9ce44f86a0
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
the bug reproduces without the instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=3829 full=7502 leaves diff=2069
split chunks (needed=false): <2069>
split chunk #0 of len 2069 into 5 parts
testing without sub-chunk 1/5
disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed
testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: f46308650ce5760f8dfdd4d2e1012355e5004f870ab43d819d3f8fe475da09d1
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 87dfbf534cc5c888c5c058fc3972c5e9de85d6e2ffc5014f0e464645af94f9f5
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: b0a50cc5197014e816ad5575a09e437e540811e0cbed6e0a887452fbd95aa23e
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c160a9754bc1bcd26556899f872b8832484daa556a37ee6bd55bc3661a9fb2a2
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 113b546bd7c46008e8da2534b920669ef5a14ce1adb744ef109a9ea1abe435e7
all runs: crashed: WARNING in perf_pending_task
representative crash: WARNING in perf_pending_task, types: [WARNING]
the chunk can be dropped
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
determining the merge base between 0bc96de781b4da716c8dbd248af4b26d8d8341f5 and b320789d6883cc00ac78ce83bccbfe7ed58afcf0
830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 830b3c68c1fb1e9176028d02ef86f3cf76aa2476: ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined
llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
reproducer does not crash the merge base, so there's no known bad commit
revisions tested: 7, total time: 4h6m22.215031111s (build: 2h38m8.736692925s, test: 1h20m33.834605076s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1