skbuff: skb_over_panic: text:ffffffff8816e8cb len:1280 put:1280 head:ffff88801acb3800 data:ffff88801acb3800 tail:0x500 end:0xc0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:111! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:111 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 a0 7c 8b 8a ff 74 24 10 ff 74 24 20 e8 26 16 c3 ff <0f> 0b e8 f5 4c 46 f8 4c 8b 64 24 18 e8 db 8c 8d f8 48 c7 c1 40 89 RSP: 0018:ffffc90000d979d8 EFLAGS: 00010286 RAX: 000000000000008a RBX: ffff88802e5e93c0 RCX: 0000000000000000 RDX: ffff888011fb5580 RSI: ffffffff815dbdb8 RDI: fffff520001b2f2d RBP: ffffffff8a8b8980 R08: 000000000000008a R09: 0000000000000000 R10: ffffffff815d5b5e R11: 0000000000000000 R12: ffffffff8816e8cb R13: 0000000000000500 R14: ffffffff8a8b7c60 R15: 00000000000000c0 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa439ead7d8 CR3: 000000014dda5000 CR4: 00000000001526e0 Call Trace: skb_over_panic net/core/skbuff.c:116 [inline] skb_put.cold+0x24/0x24 net/core/skbuff.c:1980 isotp_rcv_cf net/can/isotp.c:570 [inline] isotp_rcv+0xa4b/0x1e60 net/can/isotp.c:668 deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x445/0x8d0 net/can/af_can.c:635 can_receive+0x31d/0x580 net/can/af_can.c:665 can_rcv+0x120/0x1c0 net/can/af_can.c:696 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5436 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5550 process_backlog+0x2a5/0x6c0 net/core/dev.c:6427 __napi_poll+0xaf/0x440 net/core/dev.c:6982 napi_poll net/core/dev.c:7049 [inline] net_rx_action+0x801/0xb40 net/core/dev.c:7136 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 run_ksoftirqd kernel/softirq.c:920 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace f44fbcf033ce4a76 ]--- RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:111 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 a0 7c 8b 8a ff 74 24 10 ff 74 24 20 e8 26 16 c3 ff <0f> 0b e8 f5 4c 46 f8 4c 8b 64 24 18 e8 db 8c 8d f8 48 c7 c1 40 89 RSP: 0018:ffffc90000d979d8 EFLAGS: 00010286 RAX: 000000000000008a RBX: ffff88802e5e93c0 RCX: 0000000000000000 RDX: ffff888011fb5580 RSI: ffffffff815dbdb8 RDI: fffff520001b2f2d RBP: ffffffff8a8b8980 R08: 000000000000008a R09: 0000000000000000 R10: ffffffff815d5b5e R11: 0000000000000000 R12: ffffffff8816e8cb R13: 0000000000000500 R14: ffffffff8a8b7c60 R15: 00000000000000c0 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa439ead7d8 CR3: 000000000b68e000 CR4: 00000000001526e0