netlink: 'syz-executor.3': attribute type 5 has an invalid length. ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2539 Comm: syz-executor.3 Not tainted 5.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0x107/0x120 arch/x86/mm/physaddr.c:28 Code: eb ab 48 c7 c1 f5 a6 6b 89 80 e1 07 38 c1 0f 8c 75 ff ff ff 48 c7 c7 f5 a6 6b 89 e8 33 b1 7d 00 e9 64 ff ff ff e8 89 c7 3f 00 <0f> 0b e8 82 c7 3f 00 0f 0b e8 7b c7 3f 00 0f 0b 66 0f 1f 84 00 00 RSP: 0018:ffffc90015f1edf0 EFLAGS: 00010283 RAX: ffffffff8133af47 RBX: 0770007780000000 RCX: 0000000000040000 RDX: ffffc9000f7a4000 RSI: 00000000000328c1 RDI: 00000000000328c2 RBP: 0770007700000000 R08: ffffffff8133ae81 R09: fffffbfff16294a2 R10: fffffbfff16294a2 R11: 0000000000000000 R12: ffff88809f9e2400 R13: 0000000000000200 R14: 077077f700000000 R15: ffffea0000000000 FS: 00007fb846ab6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ff30d73c20 CR3: 000000020d340000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:833 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all mm/kasan/quarantine.c:164 [inline] quarantine_reduce+0x130/0x1c0 mm/kasan/quarantine.c:260 __kasan_kmalloc+0x43/0x160 mm/kasan/common.c:476 slab_post_alloc_hook mm/slab.h:586 [inline] slab_alloc_node mm/slab.c:3263 [inline] kmem_cache_alloc_node_trace+0x245/0x2b0 mm/slab.c:3593 __do_kmalloc_node mm/slab.c:3615 [inline] __kmalloc_node_track_caller+0x37/0x60 mm/slab.c:3630 __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xde/0x4f0 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1083 [inline] nlmsg_new include/net/netlink.h:888 [inline] mpls_netconf_notify_devconf+0x63/0x110 net/mpls/af_mpls.c:1187 mpls_dev_sysctl_register+0x200/0x250 net/mpls/af_mpls.c:1425 mpls_add_dev net/mpls/af_mpls.c:1472 [inline] mpls_dev_notify+0x2ab/0x7e0 net/mpls/af_mpls.c:1598 notifier_call_chain kernel/notifier.c:83 [inline] __raw_notifier_call_chain kernel/notifier.c:361 [inline] raw_notifier_call_chain+0xd4/0x170 kernel/notifier.c:368 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] register_netdevice+0x14a4/0x1a50 net/core/dev.c:9425 macvlan_common_newlink+0xc56/0x1240 drivers/net/macvlan.c:1462 __rtnl_newlink net/core/rtnetlink.c:3333 [inline] rtnl_newlink+0x143e/0x1c00 net/core/rtnetlink.c:3391 rtnetlink_rcv_msg+0x889/0xd40 net/core/rtnetlink.c:5454 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2469 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1329 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x4f9/0x7c0 net/socket.c:2362 ___sys_sendmsg net/socket.c:2416 [inline] __sys_sendmsg+0x2a6/0x360 net/socket.c:2449 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca29 Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb846ab5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000500f40 RCX: 000000000045ca29 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a04 R14: 00000000004ccdcc R15: 00007fb846ab66d4 Modules linked in: ---[ end trace 910051ebca076bdb ]--- RIP: 0010:__phys_addr+0x107/0x120 arch/x86/mm/physaddr.c:28 Code: eb ab 48 c7 c1 f5 a6 6b 89 80 e1 07 38 c1 0f 8c 75 ff ff ff 48 c7 c7 f5 a6 6b 89 e8 33 b1 7d 00 e9 64 ff ff ff e8 89 c7 3f 00 <0f> 0b e8 82 c7 3f 00 0f 0b e8 7b c7 3f 00 0f 0b 66 0f 1f 84 00 00 RSP: 0018:ffffc90015f1edf0 EFLAGS: 00010283 RAX: ffffffff8133af47 RBX: 0770007780000000 RCX: 0000000000040000 RDX: ffffc9000f7a4000 RSI: 00000000000328c1 RDI: 00000000000328c2 RBP: 0770007700000000 R08: ffffffff8133ae81 R09: fffffbfff16294a2 R10: fffffbfff16294a2 R11: 0000000000000000 R12: ffff88809f9e2400 R13: 0000000000000200 R14: 077077f700000000 R15: ffffea0000000000 FS: 00007fb846ab6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ff30d75c27 CR3: 000000020d340000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400