21-Oct-2026 22:22:33: building syzkaller on e77fae1501ac8002d344f33dfea3a7b8444d74fc... 21-Oct-2026 22:22:50: fetching kernel... 21-Oct-2026 22:22:52: checked out kernel commit 86eefba284ca9aa960bf904c92d32bcbcee6abad ("Revert \"netdev: reshuffle netif_napi_add() APIs to allow dropping weight\"", 2026-10-19 15:11:39 +0000 UTC) 21-Oct-2026 22:22:52: cleaning kernel... 21-Oct-2026 22:22:53: building kernel... 21-Oct-2026 22:25:42: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 21-Oct-2026 22:25:42: testing patch... 21-Oct-2026 22:28:52: reproduced crash: KASAN: use-after-free Read in ext4_ext_remove_space