18-Aug-2026 17:01:33: building syzkaller on 4180d91913899c7394d15307c52f8ec0b228f6cc...
18-Aug-2026 17:02:39: fetching kernel...
18-Aug-2026 17:02:41: checked out kernel commit a825653ab7afc3350ddc9d46b7fd02d0f53a798d ("Revert \"skmsg: convert struct sk_msg_sg::copy to a bitmap\"", 2026-08-17 14:55:33 +0000 UTC)
18-Aug-2026 17:02:41: cleaning kernel...
18-Aug-2026 17:02:42: building kernel...
18-Aug-2026 17:05:53: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
18-Aug-2026 17:05:53: testing patch...
18-Aug-2026 17:08:56: reproduced crash: UBSAN: shift-out-of-bounds in ext4_fill_super