------------[ cut here ]------------ proc_dir_entry 'can-bcm/133770' already registered WARNING: CPU: 0 PID: 6045 at fs/proc/generic.c:377 proc_register+0x2e8/0x464 fs/proc/generic.c:378 Modules linked in: CPU: 0 PID: 6045 Comm: syz-executor.0 Not tainted 6.1.72-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : proc_register+0x2e8/0x464 fs/proc/generic.c:378 lr : proc_register+0x2e0/0x464 fs/proc/generic.c:376 sp : ffff800020c27a40 x29: ffff800020c27a60 x28: dfff800000000000 x27: 0000000000000000 x26: 0000000000000006 x25: ffff0000d5ad1e78 x24: ffff0000d04d44a4 x23: ffff0000d04d4498 x22: 1fffe0001a09a88a x21: ffff0000d04d4454 x20: ffff0000d5ad1ea4 x19: ffff0000d04d43c0 x18: ffff800020c26e40 x17: 0000000000000000 x16: ffff80001214c60c x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000006f60 x12: 0000000000040000 x11: 0000000000003222 x10: ffff80001e759000 x9 : 641821075eb3fe00 x8 : 641821075eb3fe00 x7 : 0000000000006f60 x6 : 0000000000006f18 x5 : ffff800020c27338 x4 : ffff8000158fac88 x3 : ffff8000085861e8 x2 : 0000000000000001 x1 : 0000000000000001 x0 : ffff800015b3e020 Call trace: proc_register+0x2e8/0x464 fs/proc/generic.c:378 proc_create_net_single+0x140/0x198 fs/proc/proc_net.c:219 bcm_connect+0x220/0x438 net/can/bcm.c:1631 __sys_connect_file net/socket.c:2006 [inline] __sys_connect+0x268/0x290 net/socket.c:2023 __do_sys_connect net/socket.c:2033 [inline] __se_sys_connect net/socket.c:2030 [inline] __arm64_sys_connect+0x7c/0x94 net/socket.c:2030 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 106 hardirqs last enabled at (105): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (106): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (80): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (78): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---