------------[ cut here ]------------
proc_dir_entry 'can-bcm/45277' already registered
WARNING: CPU: 0 PID: 9358 at fs/proc/generic.c:377 proc_register+0x2e8/0x464 fs/proc/generic.c:378
Modules linked in:
CPU: 0 PID: 9358 Comm: syz-executor.3 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 : ffff80001db37a20
x29: ffff80001db37a40 x28: dfff800000000000 x27: 0000000000000000
x26: 0000000000000005 x25: ffff0000e7170e78 x24: ffff0000e4341ea4
x23: ffff0000e4341e98 x22: 1fffe0001c8683ca x21: ffff0000e4341e54
x20: ffff0000e7170ea4 x19: ffff0000e4341dc0 x18: 0000000000000002
x17: 0000000000000002 x16: ffff800008334f5c x15: 00000000ffffffff
x14: ffff0000c8149b40 x13: 0000000000000001 x12: 0000000000040000
x11: 0000000000002c67 x10: ffff800024e76000 x9 : 7e4833f3556a2200
x8 : 7e4833f3556a2200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001db37198 x4 : ffff8000149ef7a0 x3 : ffff8000083350a8
x2 : 0000000000000001 x1 : 0000000000000001 x0 : ffff800014c00020
Call trace:
 proc_register+0x2e8/0x464 fs/proc/generic.c:378
 proc_create_net_single+0x140/0x198 fs/proc/proc_net.c:209
 bcm_connect+0x21c/0x448 net/can/bcm.c:1626
 __sys_connect_file net/socket.c:1918 [inline]
 __sys_connect+0x268/0x290 net/socket.c:1935
 __do_sys_connect net/socket.c:1945 [inline]
 __se_sys_connect net/socket.c:1942 [inline]
 __arm64_sys_connect+0x7c/0x94 net/socket.c:1942
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 154
hardirqs last  enabled at (153): [<ffff80000832abe8>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (154): [<ffff800011978940>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (150): [<ffff800008021c64>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (150): [<ffff800008021c64>] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587
softirqs last disabled at (95): [<ffff8000081b6568>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (95): [<ffff8000081b6568>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (95): [<ffff8000081b6568>] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637
---[ end trace d69c25e5ee3011ec ]---