10-Oct-2026 02:44:09: building syzkaller on 3222d10cbe77bbedb5a7c455e5bcb6b7081a63b7... 10-Oct-2026 02:44:25: fetching kernel... 10-Oct-2026 02:44:27: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200) 10-Oct-2026 02:44:27: cleaning kernel... 10-Oct-2026 02:44:28: building kernel... 10-Oct-2026 02:50:33: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 10-Oct-2026 02:50:33: testing patch... 10-Oct-2026 02:57:13: reproduced crash: KASAN: use-after-free Read in jbd2_journal_get_write_access