------------[ cut here ]------------ WARNING: CPU: 1 PID: 13517 at ./include/net/netdev_lock.h:54 netdev_ops_assert_locked include/net/netdev_lock.h:54 [inline] WARNING: CPU: 1 PID: 13517 at ./include/net/netdev_lock.h:54 dev_xdp_install+0x610/0x9b0 net/core/dev.c:9911 Modules linked in: CPU: 1 UID: 0 PID: 13517 Comm: syz.0.2218 Not tainted 6.14.0-syzkaller-12886-ga1b5bd45d4ee #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:netdev_ops_assert_locked include/net/netdev_lock.h:54 [inline] RIP: 0010:dev_xdp_install+0x610/0x9b0 net/core/dev.c:9911 Code: 8d bc 24 30 0d 00 00 be ff ff ff ff e8 39 2a 28 02 31 ff 89 c5 89 c6 e8 0e a1 71 f8 85 ed 0f 85 59 fb ff ff e8 c1 a5 71 f8 90 <0f> 0b 90 e9 4b fb ff ff e8 b3 a5 71 f8 49 8d bc 24 30 0d 00 00 be RSP: 0018:ffffc90007e3f950 EFLAGS: 00010287 RAX: 0000000000000284 RBX: ffff888050978cc5 RCX: ffffc900047f1000 RDX: 0000000000080000 RSI: ffffffff89499b0f RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888050978000 R13: ffffffff8711c470 R14: ffffc9000c4d5000 R15: 0000000000000001 FS: 00007fa36b31e6c0(0000) GS:ffff8880d6ab8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f27fe12ef98 CR3: 000000004f73c000 CR4: 0000000000352ef0 Call Trace: dev_xdp_attach+0x6d1/0x16a0 net/core/dev.c:10094 dev_xdp_attach_link net/core/dev.c:10113 [inline] bpf_xdp_link_attach+0x2c5/0x680 net/core/dev.c:10287 link_create kernel/bpf/syscall.c:5418 [inline] __sys_bpf+0x19ef/0x4d80 kernel/bpf/syscall.c:5904 __do_sys_bpf kernel/bpf/syscall.c:5941 [inline] __se_sys_bpf kernel/bpf/syscall.c:5939 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5939 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa36a58d169 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:00007fa36b31e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fa36a7a5fa0 RCX: 00007fa36a58d169 RDX: 0000000000000030 RSI: 0000200000000700 RDI: 000000000000001c RBP: 00007fa36a60e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa36a7a5fa0 R15: 00007ffe338d8c98