===================================================== BUG: KMSAN: uninit-value in may_create_in_sticky fs/namei.c:1074 [inline] BUG: KMSAN: uninit-value in do_open fs/namei.c:3230 [inline] BUG: KMSAN: uninit-value in path_openat+0x47ae/0x5ca0 fs/namei.c:3369 CPU: 1 PID: 9914 Comm: syz-executor.1 Not tainted 5.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1df/0x240 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:122 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:201 may_create_in_sticky fs/namei.c:1074 [inline] do_open fs/namei.c:3230 [inline] path_openat+0x47ae/0x5ca0 fs/namei.c:3369 do_file_open_root+0x45f/0xb60 fs/namei.c:3424 file_open_root+0x6f3/0x760 fs/open.c:1148 do_handle_open+0x9bf/0xee0 fs/fhandle.c:232 __do_compat_sys_open_by_handle_at fs/fhandle.c:277 [inline] __se_compat_sys_open_by_handle_at+0x8e/0xa0 fs/fhandle.c:274 __ia32_compat_sys_open_by_handle_at+0x4a/0x70 fs/fhandle.c:274 do_syscall_32_irqs_on arch/x86/entry/common.c:80 [inline] __do_fast_syscall_32+0x10c/0x170 arch/x86/entry/common.c:139 do_fast_syscall_32+0x6a/0xc0 arch/x86/entry/common.c:162 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:205 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f77549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7f720cc EFLAGS: 00000296 ORIG_RAX: 0000000000000156 RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000200 RDX: 0000000000002f40 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----nd@do_file_open_root created at: do_file_open_root+0xa4/0xb60 fs/namei.c:3408 do_file_open_root+0xa4/0xb60 fs/namei.c:3408 =====================================================