12-Oct-2026 22:38:52: building syzkaller on 0adc945ed1b837972f0108b0fb65a1ccf205d03e... 12-Oct-2026 22:39:13: fetching kernel... 12-Oct-2026 22:39:15: checked out kernel commit d6c8aee048e0871ae3942f60c655c146df22479d ("Merge 722980f27458 (\"mm/damon/tests/core-kunit: catch test failure in test_merge_regions_of()\") into android13-5.15-lts", 2026-10-06 20:11:38 +0000 UTC) 12-Oct-2026 22:39:15: cleaning kernel... 12-Oct-2026 22:39:16: building kernel... 12-Oct-2026 22:42:04: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 12-Oct-2026 22:42:04: testing patch... 12-Oct-2026 22:49:06: reproduced crash: KASAN: null-ptr-deref Write in f2fs_issue_flush