kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10635 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:nla_get_le16 include/net/netlink.h:1519 [inline] RIP: 0010:ieee802154_llsec_parse_dev_addr+0x262/0x360 net/ieee802154/nl802154.c:1322 Code: e9 03 80 3c 11 00 0f 85 07 01 00 00 4c 89 65 08 e9 6d ff ff ff 49 8d 7e 04 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <0f> b6 0c 11 48 89 fa 83 e2 07 83 c2 01 38 ca 7c 08 84 c9 0f 85 9b RSP: 0018:ffff88808bad74a8 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 1ffff1101175ae96 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff88990843 RDI: 0000000000000004 RBP: ffff88808bad7650 R08: 0000000000000004 R09: ffffffff88990883 R10: 0000000000000005 R11: dffffc0000000000 R12: 0000000000000002 R13: ffff88808b7abc78 R14: 0000000000000000 R15: ffff888238bccb50 FS: 00007f3e1ca28700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff08ee1d1c CR3: 000000008c2ff000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee802154_llsec_parse_key_id+0x2d2/0x380 net/ieee802154/nl802154.c:1360 nl802154_set_llsec_params+0x1a8/0x420 net/ieee802154/nl802154.c:1415 genl_family_rcv_msg+0x5ff/0xf40 net/netlink/genetlink.c:629 genl_rcv_msg+0xb3/0x160 net/netlink/genetlink.c:654 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x3fc/0x5c0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x71e/0xb70 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xac/0xf0 net/socket.c:657 ___sys_sendmsg+0x653/0x950 net/socket.c:2311 __sys_sendmsg+0xce/0x170 net/socket.c:2356 do_syscall_64+0x8e/0x4e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465ef9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3e1ca28188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9 RDX: 0000000000000040 RSI: 0000000020000680 RDI: 0000000000000004 RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff226f6c0f R14: 00007f3e1ca28300 R15: 0000000000022000 Modules linked in: ---[ end trace c56895fe4ded8f3f ]--- RIP: 0010:nla_get_le16 include/net/netlink.h:1519 [inline] RIP: 0010:ieee802154_llsec_parse_dev_addr+0x262/0x360 net/ieee802154/nl802154.c:1322 Code: e9 03 80 3c 11 00 0f 85 07 01 00 00 4c 89 65 08 e9 6d ff ff ff 49 8d 7e 04 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <0f> b6 0c 11 48 89 fa 83 e2 07 83 c2 01 38 ca 7c 08 84 c9 0f 85 9b RSP: 0018:ffff88808bad74a8 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 1ffff1101175ae96 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff88990843 RDI: 0000000000000004 RBP: ffff88808bad7650 R08: 0000000000000004 R09: ffffffff88990883 R10: 0000000000000005 R11: dffffc0000000000 R12: 0000000000000002 R13: ffff88808b7abc78 R14: 0000000000000000 R15: ffff888238bccb50 FS: 00007f3e1ca28700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42b003f188 CR3: 000000008c2ff000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400