02-Nov-2026 06:18:03: building syzkaller on 91305dbed501aca571ad5dbf0f1f1d7847966052... 02-Nov-2026 06:18:20: fetching kernel... 02-Nov-2026 06:18:23: checked out kernel commit 743bbe988cbf437bf21df07d13d4ffeaae7e3fde ("UPSTREAM: blk-crypto: fix NULL deref and UAF in __blk_crypto_evict_key()", 2026-10-31 10:31:44 -0700 -0700) 02-Nov-2026 06:18:23: cleaning kernel... 02-Nov-2026 06:18:24: building kernel... 02-Nov-2026 06:21:36: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 02-Nov-2026 06:21:36: testing patch... 02-Nov-2026 06:37:47: reproduced crash: general protection fault in __ext4_journal_get_write_access