09-Nov-2026 11:22:02: building syzkaller on 853b104bb454141a5b0fc0e4218ec78e9f34ffb1... 09-Nov-2026 11:22:24: fetching kernel... 09-Nov-2026 11:22:26: checked out kernel commit 29c6cdaac04a6989a7ed4ae4275ce4244e617f58 ("Linux 5.15.225", 2026-11-06 13:14:40 -0500 -0500) 09-Nov-2026 11:22:26: cleaning kernel... 09-Nov-2026 11:22:27: building kernel... 09-Nov-2026 11:28:37: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 09-Nov-2026 11:28:37: testing patch... 09-Nov-2026 11:40:22: reproduced crash: INFO: rcu detected stall in syscall_exit_to_user_mode