------------[ cut here ]------------ WARNING: CPU: 3 PID: 5936 at ./include/net/netdev_lock.h:54 netdev_ops_assert_locked include/net/netdev_lock.h:54 [inline] WARNING: CPU: 3 PID: 5936 at ./include/net/netdev_lock.h:54 dev_xdp_install+0x610/0x9b0 net/core/dev.c:9911 Modules linked in: CPU: 3 UID: 0 PID: 5936 Comm: syz-executor652 Not tainted 6.14.0-syzkaller-12456-gacc4d5ff0b61 #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 b9 0d 28 02 31 ff 89 c5 89 c6 e8 4e f4 71 f8 85 ed 0f 85 59 fb ff ff e8 01 f9 71 f8 90 <0f> 0b 90 e9 4b fb ff ff e8 f3 f8 71 f8 49 8d bc 24 30 0d 00 00 be RSP: 0018:ffffc900031d7950 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802ab20cc5 RCX: ffffffff89494752 RDX: ffff88802a4b2440 RSI: ffffffff8949475f RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802ab20000 R13: ffffffff87119240 R14: ffffc90000a26000 R15: 0000000000000002 FS: 0000555586ae1380(0000) GS:ffff8880d6cbb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000140 CR3: 0000000030ae2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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: 0033:0x7fa71b995919 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc061aef48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa71b995919 RDX: 0000000000000040 RSI: 0000200000000200 RDI: 000000000000001c RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003