26-Oct-2026 14:24:06: building syzkaller on e2beed91937c0ace342f19a2e9afb67adb3a828a... 26-Oct-2026 14:24:26: fetching kernel... 26-Oct-2026 14:24:29: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 26-Oct-2026 14:24:29: cleaning kernel... 26-Oct-2026 14:24:30: building kernel... 26-Oct-2026 14:30:44: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 26-Oct-2026 14:30:44: testing patch... 26-Oct-2026 14:41:07: reproduced crash: INFO: rcu detected stall in syscall_exit_to_user_mode