14-Oct-2026 09:19:45: building syzkaller on 5a630be623a83f54a0e7a5a72d78827acdc85248... 14-Oct-2026 09:22:38: fetching kernel... 14-Oct-2026 09:22:39: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200) 14-Oct-2026 09:22:39: cleaning kernel... 14-Oct-2026 09:22:40: building kernel... 14-Oct-2026 09:29:09: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 14-Oct-2026 09:29:09: testing patch... 14-Oct-2026 09:35:56: reproduced crash: WARNING in ext4_xattr_inode_update_ref