------------[ cut here ]------------ proc_dir_entry 'can-bcm/6966' already registered WARNING: CPU: 0 PID: 5285 at fs/proc/generic.c:375 proc_register+0x455/0x5f0 fs/proc/generic.c:375 Modules linked in: CPU: 0 PID: 5285 Comm: syz-executor.0 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 a0 2b 20 8b 48 8b b0 d8 00 00 00 e8 3c 25 30 ff 90 <0f> 0b 90 90 48 c7 c7 e0 0b 9e 8d e8 db 80 b6 08 48 8b 4c 24 28 48 RSP: 0018:ffffc9000416fc58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000a4f6000 RDX: 0000000000040000 RSI: ffffffff814faff6 RDI: 0000000000000001 RBP: ffff8880634105b8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88802d0183c0 R13: dffffc0000000000 R14: ffff88802d018340 R15: ffffed1005a03094 FS: 00007fb95acfe6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb95acfed58 CR3: 000000001d3f4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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+0x15f/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+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fb95a07de69 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:00007fb95acfe0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007fb95a1ac050 RCX: 00007fb95a07de69 RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000005 RBP: 00007fb95a0ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fb95a1ac050 R15: 00007ffe51639128