===================================================== BUG: KMSAN: uninit-value in check_pointer lib/vsprintf.c:705 [inline] BUG: KMSAN: uninit-value in string+0x3cf/0x6f0 lib/vsprintf.c:717 check_pointer lib/vsprintf.c:705 [inline] string+0x3cf/0x6f0 lib/vsprintf.c:717 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2805 seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x314/0x4f0 fs/seq_file.c:406 proto_seq_show+0x583/0x1770 net/core/sock.c:3878 traverse+0x345/0xd70 fs/seq_file.c:111 seq_lseek+0x29a/0x4c0 fs/seq_file.c:323 proc_reg_llseek+0x27a/0x4c0 fs/proc/inode.c:284 vfs_llseek fs/read_write.c:300 [inline] ksys_lseek fs/read_write.c:313 [inline] __do_compat_sys_lseek fs/read_write.c:330 [inline] __se_compat_sys_lseek fs/read_write.c:328 [inline] __ia32_compat_sys_lseek+0x2b7/0x480 fs/read_write.c:328 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Local variable page created at: get_futex_key+0xc4/0x1e60 futex_wait_setup+0x140/0x560 kernel/futex/waitwake.c:602 CPU: 0 PID: 6324 Comm: syz-executor.0 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================