------------[ cut here ]------------
1
WARNING: ./include/linux/skbuff.h:3003 at skb_reset_mac_len include/linux/skbuff.h:3003 [inline], CPU#0: kworker/u8:7/1162
WARNING: ./include/linux/skbuff.h:3003 at __netif_receive_skb_core+0x294/0x30c0 net/core/dev.c:6061, CPU#0: kworker/u8:7/1162
Modules linked in:
CPU: 0 UID: 0 PID: 1162 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026
Workqueue: events_unbound flush_to_ldisc
RIP: 0010:skb_reset_mac_len include/linux/skbuff.h:3003 [inline]
RIP: 0010:__netif_receive_skb_core+0x294/0x30c0 net/core/dev.c:6061
Code: f8 4d 8d b7 b8 00 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 87 2a 00 00 45 8b 36 41 29 de eb 0c e8 fd f1 12 f8 90 <0f> 0b 90 45 31 f6 48 8d 9c 24 e0 00 00 00 48 c7 84 24 b0 00 00 00
RSP: 0018:ffffc90000007a00 EFLAGS: 00010246
RAX: ffffffff89b4de53 RBX: 000000000000ffff RCX: ffff88802892ddc0
RDX: 8000000000000100 RSI: 0000000000000100 RDI: 000000000000ffff
RBP: ffffc90000007c40 R08: 0000000000000100 R09: 1ffffffff20f47af
R10: dffffc0000000000 R11: fffffbfff20f47b0 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000040 R15: ffff8880770d6dc0
FS:  0000000000000000(0000) GS:ffff888124cd1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe663a3f34 CR3: 000000003175e000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 __netif_receive_skb_one_core net/core/dev.c:6262 [inline]
 __netif_receive_skb net/core/dev.c:6377 [inline]
 process_backlog+0x727/0x18b0 net/core/dev.c:6728
 __napi_poll+0xaa/0x330 net/core/dev.c:7787
 napi_poll net/core/dev.c:7850 [inline]
 net_rx_action+0x61d/0xf50 net/core/dev.c:8007
 handle_softirqs+0x226/0x860 kernel/softirq.c:645
 do_softirq+0x77/0xd0 kernel/softirq.c:546
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x100/0x140 kernel/softirq.c:473
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 netif_rx+0x89/0xa0 net/core/dev.c:5837
 slcan_bump_err drivers/net/can/slcan/slcan-core.c:448 [inline]
 slcan_bump drivers/net/can/slcan/slcan-core.c:463 [inline]
 slcan_unesc drivers/net/can/slcan/slcan-core.c:476 [inline]
 slcan_receive_buf+0x1c5f/0x2140 drivers/net/can/slcan/slcan-core.c:807
 tty_ldisc_receive_buf+0x119/0x160 drivers/tty/tty_buffer.c:398
 tty_port_default_receive_buf+0x6e/0xa0 drivers/tty/tty_port.c:37
 receive_buf drivers/tty/tty_buffer.c:452 [inline]
 flush_to_ldisc+0x247/0x6c0 drivers/tty/tty_buffer.c:502
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>