RBP: 00007f94bbb7b090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f94bafa5fa0 R15: 00007ffd9bdccef8 Oops: general protection fault, probably for non-canonical address 0xdffffc000000002c: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000160-0x0000000000000167] CPU: 1 UID: 0 PID: 10823 Comm: syz.2.1575 Not tainted 6.14.0-rc1-syzkaller-00303-g4e41231249f4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:vxlan_vnigroup_uninit+0xe0/0x4b0 drivers/net/vxlan/vxlan_vnifilter.c:912 Code: 00 74 08 48 89 df e8 2f 82 70 fb 48 8b 03 48 89 04 24 48 8d 98 60 01 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 02 82 70 fb 4c 8b 23 49 39 dc 0f 84 RSP: 0018:ffffc9000b58ecc8 EFLAGS: 00010202 RAX: 000000000000002c RBX: 0000000000000160 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00000000000a2001 R08: ffffffff89c3a276 R09: 1ffff920016b1d78 R10: dffffc0000000000 R11: fffff520016b1d79 R12: ffff88806782cef4 R13: ffff888067828000 R14: 1ffff1100cf059de R15: dffffc0000000000 FS: 00007f94bbb7b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000040000000c2c0 CR3: 0000000029688000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vxlan_uninit+0x7f/0x3f0 drivers/net/vxlan/vxlan_core.c:2946 unregister_netdevice_many_notify+0x19c4/0x2070 net/core/dev.c:11845 rtnl_newlink_create+0x850/0xa40 net/core/rtnetlink.c:3828 __rtnl_newlink net/core/rtnetlink.c:3911 [inline] rtnl_newlink+0x1c7e/0x2210 net/core/rtnetlink.c:4026 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6916 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568 ___sys_sendmsg net/socket.c:2622 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2654 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f94bad8cde9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f94bbb7b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f94bafa5fa0 RCX: 00007f94bad8cde9 RDX: 0000000004008840 RSI: 0000400000000000 RDI: 0000000000000003 RBP: 00007f94bbb7b090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f94bafa5fa0 R15: 00007ffd9bdccef8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vxlan_vnigroup_uninit+0xe0/0x4b0 drivers/net/vxlan/vxlan_vnifilter.c:912 Code: 00 74 08 48 89 df e8 2f 82 70 fb 48 8b 03 48 89 04 24 48 8d 98 60 01 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 02 82 70 fb 4c 8b 23 49 39 dc 0f 84 RSP: 0018:ffffc9000b58ecc8 EFLAGS: 00010202 RAX: 000000000000002c RBX: 0000000000000160 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00000000000a2001 R08: ffffffff89c3a276 R09: 1ffff920016b1d78 R10: dffffc0000000000 R11: fffff520016b1d79 R12: ffff88806782cef4 R13: ffff888067828000 R14: 1ffff1100cf059de R15: dffffc0000000000 FS: 00007f94bbb7b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30813ff8 CR3: 0000000029688000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 74 08 48 add %dh,0x48(%rax,%rcx,1) 4: 89 df mov %ebx,%edi 6: e8 2f 82 70 fb call 0xfb70823a b: 48 8b 03 mov (%rbx),%rax e: 48 89 04 24 mov %rax,(%rsp) 12: 48 8d 98 60 01 00 00 lea 0x160(%rax),%rbx 19: 48 89 d8 mov %rbx,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 48 89 df mov %rbx,%rdi 33: e8 02 82 70 fb call 0xfb70823a 38: 4c 8b 23 mov (%rbx),%r12 3b: 49 39 dc cmp %rbx,%r12 3e: 0f .byte 0xf 3f: 84 .byte 0x84