13-Sep-2026 17:09:31: building syzkaller on 49379ee008e5f2af6e551c2e23fcd6b1ebb4d5c2... 13-Sep-2026 17:15:08: fetching kernel... 13-Sep-2026 17:15:13: checked out kernel commit 2f0c1cf72f4682178506f513bbf015e591b1aa4a ("Merge tag 's390-7.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux", 2026-09-12 16:22:25 -0700 -0700) 13-Sep-2026 17:15:13: cleaning kernel... 13-Sep-2026 17:15:15: building kernel... 13-Sep-2026 17:28:25: 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 17:28:25: testing patch... 13-Sep-2026 17:36:42: reproduced crash: INFO: rcu detected stall in rtnl_newlink