ci starts bisection 2025-06-20 21:01:25.200051723 +0000 UTC m=+31588.783066502
bisecting cause commit starting from 253833da4e5619afef6a5918ed63405b9fec9874
building syzkaller on ed3e87f71e79614f39e963e510c1e594d35a2ea2
ensuring issue is reproducible on original commit 253833da4e5619afef6a5918ed63405b9fec9874

testing commit 253833da4e5619afef6a5918ed63405b9fec9874 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: ed16c5c4fc5f82c8d2370addfa1b836d5ec403d829560478518e82843b3cd64a
run #0: crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work, types: [KASAN]
unable to determine the verdict: 19 good runs (wanted 10), for bad wanted 10 in total, got 20
revisions tested: 1, total time: 24m58.104988818s (build: 12m47.231899959s, test: 10m27.169296905s)
error: the crash wasn't reproduced on the original commit