Hello, syzbot found the following issue on:
HEAD commit: 4f4040ea5d3e net: ti: icssg-prueth: Add prp offload suppor.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=11630dd4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fab0bcec5be1995b dashboard link: https://syzkaller.appspot.com/bug?extid=5b74e0e96f12e3728ec8 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=170cd370580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/64e76754e788/disk-4f4040ea.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/58f25c6cca53/vmlinux-4f4040ea.xz kernel image: https://storage.googleapis.com/syzbot-assets/f700f89884c1/bzImage-4f4040ea.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5b74e0e96f12e3728...@syzkaller.appspotmail.com ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1302 at ./include/linux/skbuff.h:3157 skb_network_header_len include/linux/skbuff.h:3157 [inline] WARNING: CPU: 1 PID: 1302 at ./include/linux/skbuff.h:3157 lowpan_header net/ieee802154/6lowpan/tx.c:236 [inline] WARNING: CPU: 1 PID: 1302 at ./include/linux/skbuff.h:3157 lowpan_xmit+0xde9/0x1340 net/ieee802154/6lowpan/tx.c:282 Modules linked in: CPU: 1 UID: 0 PID: 1302 Comm: aoe_tx0 Not tainted 6.16.0-rc2-syzkaller-00591-g4f4040ea5d3e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:skb_network_header_len include/linux/skbuff.h:3157 [inline] RIP: 0010:lowpan_header net/ieee802154/6lowpan/tx.c:236 [inline] RIP: 0010:lowpan_xmit+0xde9/0x1340 net/ieee802154/6lowpan/tx.c:282 Code: 48 85 c0 0f 84 38 02 00 00 49 89 c6 e8 00 77 a0 f6 e9 69 f5 ff ff e8 f6 76 a0 f6 90 0f 0b 90 e9 5c f6 ff ff e8 e8 76 a0 f6 90 <0f> 0b 90 e9 2c f7 ff ff e8 da 76 a0 f6 e9 12 fc ff ff 90 0f 0b 90 RSP: 0018:ffffc9000437f640 EFLAGS: 00010293 RAX: ffffffff8b1fe568 RBX: ffff8880312e6140 RCX: ffff888027989e00 RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff RBP: ffffc9000437f830 R08: 0000000000000003 R09: 0000000000000000 R10: ffffc9000437f4f0 R11: fffff5200086fea4 R12: 1ffff1100625cc36 R13: 0000000000000020 R14: ffff8880312e6140 R15: 000000000000ffff FS: 0000000000000000(0000) GS:ffff888125d4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe947dbbf98 CR3: 000000007a4dc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __netdev_start_xmit include/linux/netdevice.h:5225 [inline] netdev_start_xmit include/linux/netdevice.h:5234 [inline] xmit_one net/core/dev.c:3828 [inline] dev_hard_start_xmit+0x2d4/0x830 net/core/dev.c:3844 __dev_queue_xmit+0x1adf/0x3a70 net/core/dev.c:4711 dev_queue_xmit include/linux/netdevice.h:3365 [inline] tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62 kthread+0x1d0/0x3e0 drivers/block/aoe/aoecmd.c:1237 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup