13-Oct-2026 09:32:10: building syzkaller on 32a0e5edfeef60e894c453dc9e9ae45528626ef1... 13-Oct-2026 09:34:05: fetching kernel... 13-Oct-2026 09:34:07: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200) 13-Oct-2026 09:34:07: cleaning kernel... 13-Oct-2026 09:34:08: building kernel... 13-Oct-2026 09:40:28: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 13-Oct-2026 09:40:28: testing patch... 13-Oct-2026 09:47:25: reproduced crash: WARNING in ext4_iomap_begin