19-Oct-2026 21:13:01: building syzkaller on 0b6ab7eca89bfc27b5fb0aaa26b248298864892e... 19-Oct-2026 21:13:27: fetching kernel... 19-Oct-2026 21:13:29: 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 21:13:29: cleaning kernel... 19-Oct-2026 21:13:30: building kernel... 19-Oct-2026 21:16:24: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 19-Oct-2026 21:16:24: testing patch... 19-Oct-2026 21:25:13: reproduced crash: KASAN: use-after-free Read in ext4_find_extent