------------[ cut here ]------------ proc_dir_entry 'can-bcm/7510' already registered WARNING: CPU: 0 PID: 5318 at fs/proc/generic.c:375 proc_register+0x455/0x5f0 fs/proc/generic.c:375 Modules linked in: CPU: 0 PID: 5318 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:proc_register+0x455/0x5f0 fs/proc/generic.c:375 Code: 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 a2 01 00 00 48 8b 44 24 10 48 c7 c7 e0 5e 20 8b 48 8b b0 d8 00 00 00 e8 1c 7a 2f ff 90 <0f> 0b 90 90 48 c7 c7 e0 85 9e 8d e8 9b 7e b5 08 48 8b 4c 24 28 48 RSP: 0018:ffffc90008f87c58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000999b000 RDX: 0000000000040000 RSI: ffffffff8150f3f6 RDI: 0000000000000001 RBP: ffff8880626156f8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88802924db40 R13: dffffc0000000000 R14: ffff88802c9c9e80 R15: ffffed1005249b84 FS: 00007f7270e686c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f72701a8000 CR3: 000000001f984000 CR4: 0000000000350ef0 Call Trace: proc_create_net_single+0x105/0x170 fs/proc/proc_net.c:219 bcm_connect+0x1ed/0x4d0 net/can/bcm.c:1673 __sys_connect_file+0x162/0x1a0 net/socket.c:2048 __sys_connect+0x149/0x170 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [inline] __se_sys_connect net/socket.c:2072 [inline] __x64_sys_connect+0x72/0xb0 net/socket.c:2072 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f727007de69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7270e680c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f72701ac050 RCX: 00007f727007de69 RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000005 RBP: 00007f72700ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f72701ac050 R15: 00007ffe787e2428