15-Oct-2026 05:20:43: building syzkaller on 52aa282067b042d7b87d20904b88b0319f19e02b... 15-Oct-2026 05:21:06: fetching kernel... 15-Oct-2026 05:21:08: checked out kernel commit 390db4f54a67a915eb2b203283a443a495c0795b ("Merge 5.10.270 into android13-5.10-lts", 2026-10-13 05:46:41 -0700 -0700) 15-Oct-2026 05:21:08: cleaning kernel... 15-Oct-2026 05:23:52: building kernel... 15-Oct-2026 05:26:36: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 15-Oct-2026 05:26:36: testing patch... 15-Oct-2026 05:39:04: reproduced crash: KASAN: use-after-free Read in ext4_find_extent