------------[ cut here ]------------ proc_dir_entry 'can-bcm/6119' already registered WARNING: CPU: 0 PID: 5697 at fs/proc/generic.c:376 proc_register+0x34d/0x4f0 fs/proc/generic.c:375 Modules linked in: CPU: 0 PID: 5697 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-01413-gdd1941f801bc #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 d7 df c6 ff 48 8b 55 00 48 c7 c7 40 c3 da 8b 48 89 de e8 64 a8 24 ff 90 <0f> 0b 90 90 48 c7 c7 a0 5e 4a 8e e8 a3 84 58 09 48 8b 44 24 30 42 RSP: 0018:ffffc900052a7c28 EFLAGS: 00010246 RAX: 97558ccd573ded00 RBX: ffff8880596a3ae4 RCX: ffff88802d2a3c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88801b7d9ad8 R08: ffffffff81589b62 R09: fffffbfff1c39b6c R10: dffffc0000000000 R11: fffffbfff1c39b6c R12: ffff88801b7d9a94 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88801b7d9a00 FS: 00007f1255fff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1255fffd58 CR3: 000000007b272000 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: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: 0033:0x7f125647cda9 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:00007f1255fff0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f12565ac050 RCX: 00007f125647cda9 RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007f12564c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f12565ac050 R15: 00007ffebae9e8e8