===================================================== BUG: KMSAN: uninit-value in check_pointer lib/vsprintf.c:705 [inline] BUG: KMSAN: uninit-value in string+0x3d2/0x700 lib/vsprintf.c:717 check_pointer lib/vsprintf.c:705 [inline] string+0x3d2/0x700 lib/vsprintf.c:717 vsnprintf+0x224f/0x36a0 lib/vsprintf.c:2805 seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x301/0x500 fs/seq_file.c:406 proto_seq_show+0x585/0x1780 net/core/sock.c:3878 traverse+0x353/0xd70 fs/seq_file.c:111 seq_lseek+0x2a6/0x4d0 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_sys_lseek fs/read_write.c:324 [inline] __se_sys_lseek fs/read_write.c:322 [inline] __x64_sys_lseek+0x31e/0x480 fs/read_write.c:322 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae Local variable page created at: get_futex_key+0xc4/0x1e70 futex_wait_setup+0x140/0x570 kernel/futex/waitwake.c:602 CPU: 1 PID: 7261 Comm: syz-executor364 Not tainted 5.16.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================