================================================================== BUG: KMSAN: uninit-value in keyctl_pkey_params_parse security/keys/keyctl_pkey.c:56 [inline] BUG: KMSAN: uninit-value in keyctl_pkey_params_get+0x29c/0x7d0 security/keys/keyctl_pkey.c:96 CPU: 0 PID: 10242 Comm: syz-executor2 Not tainted 4.20.0-rc3+ #92 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+0x32d/0x480 lib/dump_stack.c:113 kmsan_report+0x19f/0x300 mm/kmsan/kmsan.c:923 __msan_warning+0x76/0xc0 mm/kmsan/kmsan_instr.c:416 keyctl_pkey_params_parse security/keys/keyctl_pkey.c:56 [inline] keyctl_pkey_params_get+0x29c/0x7d0 security/keys/keyctl_pkey.c:96 keyctl_pkey_params_get_2+0x256/0x650 security/keys/keyctl_pkey.c:130 keyctl_pkey_e_d_s+0x122/0x700 security/keys/keyctl_pkey.c:218 __do_sys_keyctl security/keys/keyctl.c:1760 [inline] __se_sys_keyctl+0xed6/0x1af0 security/keys/keyctl.c:1637 __x64_sys_keyctl+0x62/0x80 security/keys/keyctl.c:1637 do_syscall_64+0xcf/0x110 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f16b3356c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 RDX: 0000000020000140 RSI: 0000000020000080 RDI: 000000000000001b RBP: 000000000072bf00 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000000000053 R11: 0000000000000246 R12: 00007f16b33576d4 R13: 00000000004c286f R14: 00000000004d4258 R15: 00000000ffffffff Local variable description: ----args.i@keyctl_pkey_params_get Variable was created at: keyctl_pkey_params_get+0xaa/0x7d0 security/keys/keyctl_pkey.c:83 keyctl_pkey_params_get_2+0x256/0x650 security/keys/keyctl_pkey.c:130 ==================================================================