19-Sep-2026 06:56:30: building syzkaller on de5aae85e5f28e2fa1c7deefcc24fe286abe5140... 19-Sep-2026 07:10:08: fetching kernel... 19-Sep-2026 07:10:10: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC) 19-Sep-2026 07:10:10: cleaning kernel... 19-Sep-2026 07:26:39: building kernel... 19-Sep-2026 07:30:10: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 19-Sep-2026 07:30:10: testing patch... 19-Sep-2026 07:41:34: reproduced crash: KASAN: use-after-free Read in ext4_get_inode_usage