netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
proc_dir_entry 'can-bcm/95273' already registered
WARNING: CPU: 0 PID: 31459 at fs/proc/generic.c:375 proc_register+0x1d8/0x4a8 fs/proc/generic.c:375
Modules linked in:
CPU: 0 PID: 31459 Comm: syz-executor.0 Not tainted 6.9.0-rc2-syzkaller-00387-g6c6e47d69d82 #0
Hardware name: linux,dummy-virt (DT)
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : proc_register+0x1d8/0x4a8 fs/proc/generic.c:375
lr : proc_register+0x1d8/0x4a8 fs/proc/generic.c:375
sp : ffff80008b4b7ab0
x29: ffff80008b4b7ab0 x28: ffff00000fc5ce98 x27: dfff800000000000
x26: ffff00000fc5cc00 x25: ffff00000fc5ce54 x24: 0000000000000005
x23: ffff800086b43440 x22: ffff00000fc5cea4 x21: ffff000014aa7dc0
x20: 0000000000000005 x19: ffff00000fc5cdc0 x18: ffff000011bb4670
x17: 0000000000000000 x16: 0000000000000006 x15: 1fffe000023768cd
x14: 1fffe000023768dc x13: 1fffe000023768ca x12: ffff60000d50c7c3
x11: 1fffe0000d50c7c2 x10: ffff60000d50c7c2 x9 : dfff800000000000
x8 : 00009ffff2af383e x7 : ffff00006a863e13 x6 : 0000000000000001
x5 : ffff00006a863e10 x4 : 1fffe00002376781 x3 : dfff800000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000011bb3c00
Call trace:
 proc_register+0x1d8/0x4a8 fs/proc/generic.c:375
 proc_create_net_single+0xf4/0x168 fs/proc/proc_net.c:219
 bcm_connect+0x174/0x3e4 net/can/bcm.c:1673
 __sys_connect_file+0x130/0x178 net/socket.c:2048
 __sys_connect+0x110/0x138 net/socket.c:2065
 __do_sys_connect net/socket.c:2075 [inline]
 __se_sys_connect net/socket.c:2072 [inline]
 __arm64_sys_connect+0x6c/0xa0 net/socket.c:2072
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133
 do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:158
 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:852
 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:862
 el0t_32_sync+0x194/0x198 arch/arm64/kernel/entry.S:603
irq event stamp: 3830
hardirqs last  enabled at (3829): [<ffff8000803013b4>] __up_console_sem kernel/printk/printk.c:341 [inline]
hardirqs last  enabled at (3829): [<ffff8000803013b4>] __console_unlock kernel/printk/printk.c:2731 [inline]
hardirqs last  enabled at (3829): [<ffff8000803013b4>] console_unlock+0x1c0/0x1d8 kernel/printk/printk.c:3050
hardirqs last disabled at (3830): [<ffff800084e77480>] el1_dbg+0x24/0x9c arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (3804): [<ffff800083ef58f4>] __sock_i_ino net/core/sock.c:2619 [inline]
softirqs last  enabled at (3804): [<ffff800083ef58f4>] sock_i_ino+0x74/0xb4 net/core/sock.c:2630
softirqs last disabled at (3802): [<ffff800083ef5880>] sock_i_ino+0x0/0xb4 net/core/sock.c:383
---[ end trace 0000000000000000 ]---