19-Oct-2026 20:54:28: building syzkaller on ed3e87f71e79614f39e963e510c1e594d35a2ea2... 19-Oct-2026 20:55:14: fetching kernel... 19-Oct-2026 20:55:17: checked out kernel commit 86eefba284ca9aa960bf904c92d32bcbcee6abad ("Revert \"netdev: reshuffle netif_napi_add() APIs to allow dropping weight\"", 2026-10-19 15:11:39 +0000 UTC) 19-Oct-2026 20:55:17: cleaning kernel... 19-Oct-2026 21:05:01: building kernel... 19-Oct-2026 21:08:01: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 19-Oct-2026 21:08:01: testing patch... 19-Oct-2026 21:15:45: reproduced crash: KASAN: use-after-free Read in ext4_find_extent