------------[ cut here ]------------ proc_dir_entry 'can-bcm/36882' already registered WARNING: CPU: 0 PID: 11174 at fs/proc/generic.c:376 proc_register+0x34d/0x4f0 fs/proc/generic.c:375 Modules linked in: CPU: 0 PID: 11174 Comm: syz-executor.1 Not tainted 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #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 a7 bd c6 ff 48 8b 55 00 48 c7 c7 80 95 da 8b 48 89 de e8 74 de 27 ff 90 <0f> 0b 90 90 48 c7 c7 a0 39 4a 8e e8 c3 d4 51 09 48 8b 44 24 30 42 RSP: 0018:ffffc9000b8b7c28 EFLAGS: 00010246 RAX: fb7dd20f73d9ab00 RBX: ffff88805c147864 RCX: 0000000000040000 RDX: ffffc9000bfb4000 RSI: 0000000000006ecb RDI: 0000000000006ecc RBP: ffff88807ab34498 R08: ffffffff81588e32 R09: fffffbfff1c39b5c R10: dffffc0000000000 R11: fffffbfff1c39b5c R12: ffff88807ab34454 R13: 0000000000000005 R14: dffffc0000000000 R15: ffff88807ab343c0 FS: 00007f2a5e1e96c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31425000 CR3: 0000000057818000 CR4: 00000000003526f0 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: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_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2a5d47dca9 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:00007f2a5e1e90c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f2a5d5ac050 RCX: 00007f2a5d47dca9 RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000005 RBP: 00007f2a5d4c947e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f2a5d5ac050 R15: 00007ffdf2fc1a78