------------[ cut here ]------------ proc_dir_entry 'can-bcm/64477' already registered WARNING: CPU: 1 PID: 14818 at fs/proc/generic.c:376 proc_register+0x34d/0x4f0 fs/proc/generic.c:375 Modules linked in: CPU: 1 PID: 14818 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:proc_register+0x34d/0x4f0 fs/proc/generic.c:375 Code: 24 08 4c 8b 64 24 28 48 8b 6c 24 20 74 08 48 89 ef e8 17 d0 c6 ff 48 8b 55 00 48 c7 c7 80 af ba 8b 48 89 de e8 14 55 26 ff 90 <0f> 0b 90 90 48 c7 c7 c0 9f 29 8e e8 53 91 4d 09 48 8b 44 24 30 42 RSP: 0018:ffffc90004a8fc28 EFLAGS: 00010246 RAX: d7d2075783f3e600 RBX: ffff888023515ae4 RCX: 0000000000040000 RDX: ffffc90004f21000 RSI: 0000000000006175 RDI: 0000000000006176 RBP: ffff8880234215d8 R08: ffffffff8157cc12 R09: fffffbfff1bf9650 R10: dffffc0000000000 R11: fffffbfff1bf9650 R12: ffff888023421594 R13: 0000000000000005 R14: dffffc0000000000 R15: ffff888023421500 FS: 00007f5246cbf6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200040c0 CR3: 000000001ec5c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000521 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: proc_create_net_single+0x154/0x1b0 fs/proc/proc_net.c:219 bcm_connect+0x2a7/0x4a0 net/can/bcm.c:1673 __sys_connect_file net/socket.c:2048 [inline] __sys_connect+0x2df/0x310 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [inline] __se_sys_connect net/socket.c:2072 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2072 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f5245e7de69 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:00007f5246cbf0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f5245fabf80 RCX: 00007f5245e7de69 RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f5245eca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000004d R14: 00007f5245fabf80 R15: 00007f52460cfa48