------------[ cut here ]------------
proc_dir_entry 'can-bcm/28802' already registered
WARNING: CPU: 1 PID: 10286 at fs/proc/generic.c:376 proc_register+0x2e8/0x464 fs/proc/generic.c:377
Modules linked in:
CPU: 1 PID: 10286 Comm: syz-executor.1 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #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:377
lr : proc_register+0x2e0/0x464 fs/proc/generic.c:375
sp : ffff80009bb67a40
x29: ffff80009bb67a60 x28: dfff800000000000 x27: 0000000000000000
x26: 0000000000000005 x25: ffff0000e443e338 x24: ffff0000ed18d724
x23: ffff0000ed18d718 x22: 1fffe0001da31ada x21: ffff0000ed18d6d4
x20: ffff0000e443e364 x19: ffff0000ed18d640 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008adab880 x15: ffff700011dde62c
x14: 1ffff00011dde62c x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000040000 x10: 00000000000031f5 x9 : bc74aabab2652100
x8 : bc74aabab2652100 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009bb671b8 x4 : ffff80008ef65060 x3 : ffff80008036f978
x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff80008f1b17e0
Call trace:
 proc_register+0x2e8/0x464 fs/proc/generic.c:377
 proc_create_net_single+0x140/0x198 fs/proc/proc_net.c:219
 bcm_connect+0x224/0x43c net/can/bcm.c:1673
 __sys_connect_file net/socket.c:2048 [inline]
 __sys_connect+0x268/0x290 net/socket.c:2065
 __do_sys_connect net/socket.c:2075 [inline]
 __se_sys_connect net/socket.c:2072 [inline]
 __arm64_sys_connect+0x7c/0x94 net/socket.c:2072
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 1916
hardirqs last  enabled at (1915): [<ffff8000803749b0>] __up_console_sem kernel/printk/printk.c:341 [inline]
hardirqs last  enabled at (1915): [<ffff8000803749b0>] __console_unlock kernel/printk/printk.c:2731 [inline]
hardirqs last  enabled at (1915): [<ffff8000803749b0>] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050
hardirqs last disabled at (1916): [<ffff80008ae6c78c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (1886): [<ffff800088fb2658>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1884): [<ffff800088fb2624>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---