15-Sep-2026 21:47:10: building syzkaller on 65e8686b0e9e909b6ea5629f95a9b14e81927872... 15-Sep-2026 21:47:39: fetching kernel... 15-Sep-2026 21:47:41: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC) 15-Sep-2026 21:47:41: cleaning kernel... 15-Sep-2026 21:47:42: building kernel... 15-Sep-2026 21:50:40: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 15-Sep-2026 21:50:40: testing patch... 15-Sep-2026 21:54:21: reproduced crash: KASAN: use-after-free Read in ext4_xattr_delete_inode