BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/133 caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59 CPU: 0 PID: 133 Comm: dhcpcd Not tainted 5.10.226-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x17 lib/dump_stack.c:135 check_preemption_disabled+0xf2/0x100 lib/smp_processor_id.c:48 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59 usbnet_skb_return+0x48/0x270 drivers/net/usb/usbnet.c:306 usbnet_resume_rx+0x4d/0xd0 drivers/net/usb/usbnet.c:679 usbnet_change_mtu+0x4ed/0x670 drivers/net/usb/usbnet.c:392 __dev_set_mtu net/core/dev.c:8600 [inline] dev_set_mtu_ext+0x43c/0x670 net/core/dev.c:8653 dev_set_mtu+0xa0/0x180 net/core/dev.c:8677 dev_ifsioc+0x3a2/0xae0 net/core/dev_ioctl.c:237 dev_ioctl+0x526/0xb40 net/core/dev_ioctl.c:481 sock_do_ioctl+0x295/0x3a0 net/socket.c:1090 sock_ioctl+0x4a6/0x760 net/socket.c:1207 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:739 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f24d46dcd49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffc80db7a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f24d460e6c0 RCX: 00007f24d46dcd49 RDX: 00007ffc80dc7c58 RSI: 0000000000008922 RDI: 0000000000000012 RBP: 00007ffc80dd7e18 R08: 00007ffc80dc7c18 R09: 00007ffc80dc7bc8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc80dc7c58 R14: 0000000000000028 R15: 0000000000008922