ci starts bisection 2025-12-21 06:24:29.498571525 +0000 UTC m=+2139859.024057645
bisecting cause commit starting from 7b8e9264f55a9c320f398e337d215e68cca50131
building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4
ensuring issue is reproducible on original commit 7b8e9264f55a9c320f398e337d215e68cca50131

testing commit 7b8e9264f55a9c320f398e337d215e68cca50131 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: b7865ba67530763441ddc08ee9724de5640cb2fcce30cd41a1899992a63fca8a
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #10: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2374287796" "root@10.128.0.126:./syz-executor2374287796"]: exit status 255
run #13: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2087316714" "root@10.128.1.64:./syz-executor2087316714"]: exit status 255
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
unable to determine the verdict: 6 good runs (wanted 10), for bad wanted 10 in total, got 7
revisions tested: 1, total time: 27m18.129544269s (build: 12m23.262786864s, test: 12m52.810073894s)
error: the crash wasn't reproduced on the original commit