------------[ cut here ]------------ proc_dir_entry 'can-bcm/5882' already registered WARNING: CPU: 1 PID: 5448 at fs/proc/generic.c:376 proc_register+0x34d/0x4f0 fs/proc/generic.c:375 Modules linked in: CPU: 1 PID: 5448 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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 27 fd c6 ff 48 8b 55 00 48 c7 c7 c0 c7 da 8b 48 89 de e8 24 b5 26 ff 90 <0f> 0b 90 90 48 c7 c7 00 57 4a 8e e8 e3 ea 56 09 48 8b 44 24 30 42 RSP: 0018:ffffc900048bfc28 EFLAGS: 00010246 RAX: 9ae95457ca6fc700 RBX: ffff88807932e364 RCX: ffff8880220d3c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880754be498 R08: ffffffff815856c2 R09: fffffbfff1c39994 R10: dffffc0000000000 R11: fffffbfff1c39994 R12: ffff8880754be454 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff8880754be3c0 FS: 00007fb9837386c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb983738d58 CR3: 0000000029f7c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: proc_create_net_single+0x154/0x1b0 fs/proc/proc_net.c:220 bcm_connect+0x2a7/0x4a0 net/can/bcm.c:1673 __sys_connect_file net/socket.c:2049 [inline] __sys_connect+0x2df/0x310 net/socket.c:2066 __do_sys_connect net/socket.c:2076 [inline] __se_sys_connect net/socket.c:2073 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2073 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb982a7dca9 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:00007fb9837380c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007fb982bac050 RCX: 00007fb982a7dca9 RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 00007fb982ac947e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fb982bac050 R15: 00007ffcf75baef8