IPVS: set_ctl: invalid protocol: 12758 0.0.0.0:5 ===================================================== BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464 irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x82/0xa00 kernel/entry/common.c:164 sysvec_reschedule_ipi+0x74/0x80 arch/x86/kernel/smp.c:249 asm_sysvec_reschedule_ipi+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 run_store+0x1842/0x18f0 mm/ksm.c:-1 kobj_attr_store+0x76/0xd0 lib/kobject.c:840 sysfs_kf_write+0x208/0x2f0 fs/sysfs/file.c:142 kernfs_fop_write_iter+0x5f0/0xa80 fs/kernfs/file.c:352 do_iter_readv_writev+0x9e0/0xc10 fs/read_write.c:-1 vfs_writev+0x52a/0x1500 fs/read_write.c:1059 do_pwritev fs/read_write.c:1155 [inline] __do_sys_pwritev2 fs/read_write.c:1213 [inline] __se_sys_pwritev2+0x22f/0x470 fs/read_write.c:1204 __x64_sys_pwritev2+0xe4/0x150 fs/read_write.c:1204 x64_sys_call+0x10a2/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:329 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable flags created at: run_store+0x47/0x18f0 mm/ksm.c:3518 kobj_attr_store+0x76/0xd0 lib/kobject.c:840 CPU: 0 UID: 0 PID: 11753 Comm: syz.3.721 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 =====================================================