13-Sep-2026 05:18:03: building syzkaller on 504cb1bfd362b0bb3b5d58f3c0abc7cc8c8ad026...
13-Sep-2026 05:18:27: fetching kernel...
13-Sep-2026 05:18:29: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC)
13-Sep-2026 05:18:29: cleaning kernel...
13-Sep-2026 05:18:30: building kernel...
13-Sep-2026 05:21:29: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
13-Sep-2026 05:21:29: testing patch...
13-Sep-2026 05:33:07: reproduced crash: SYZFAIL: tun: ioctl(TUNSETIFF) failed