syzbot has found a reproducer for the following issue on: HEAD commit: 372800cb95a3 Merge tag 'for-6.19-rc4-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=139e9922580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8bfa57a8c0ab3aa8 dashboard link: https://syzkaller.appspot.com/bug?extid=5b74e0e96f12e3728ec8 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=140649fc580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15d4d19a580000
Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/95aaef1a6aac/disk-372800cb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3b81de4f4247/vmlinux-372800cb.xz kernel image: https://storage.googleapis.com/syzbot-assets/98061453c05e/bzImage-372800cb.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: [email protected] ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ------------[ cut here ]------------ WARNING: ./include/linux/skbuff.h:3227 at skb_network_header_len include/linux/skbuff.h:3227 [inline], CPU#1: aoe_tx0/1301 WARNING: ./include/linux/skbuff.h:3227 at lowpan_header net/ieee802154/6lowpan/tx.c:236 [inline], CPU#1: aoe_tx0/1301 WARNING: ./include/linux/skbuff.h:3227 at lowpan_xmit+0xea9/0x1210 net/ieee802154/6lowpan/tx.c:282, CPU#1: aoe_tx0/1301 Modules linked in: CPU: 1 UID: 0 PID: 1301 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:skb_network_header_len include/linux/skbuff.h:3227 [inline] RIP: 0010:lowpan_header net/ieee802154/6lowpan/tx.c:236 [inline] RIP: 0010:lowpan_xmit+0xea9/0x1210 net/ieee802154/6lowpan/tx.c:282 Code: ff ff 4c 89 ff 48 01 81 38 02 00 00 e8 30 d8 0f fe e9 e6 fb ff ff e8 46 a3 8f f6 90 0f 0b 90 e9 a3 f5 ff ff e8 38 a3 8f f6 90 <0f> 0b 90 e9 86 f6 ff ff e8 2a a3 8f f6 0f b7 8d e0 fe ff ff 44 8b RSP: 0018:ffffc9000476f860 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc9000476f8e0 RCX: ffffffff8b2ebe6c RDX: ffff888028a3bd00 RSI: ffffffff8b2ec7e8 RDI: 0000000000000003 RBP: ffffc9000476f9f0 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000000 R12: ffff88801d79a476 R13: 000000000000ffff R14: ffff888028234d90 R15: ffff88801d79a3c0 FS: 0000000000000000(0000) GS:ffff8881249fa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c007868000 CR3: 0000000071880000 CR4: 00000000003526f0 Call Trace: <TASK> __netdev_start_xmit include/linux/netdevice.h:5273 [inline] netdev_start_xmit include/linux/netdevice.h:5282 [inline] xmit_one net/core/dev.c:3853 [inline] dev_hard_start_xmit+0x97/0x6e0 net/core/dev.c:3869 __dev_queue_xmit+0x6d7/0x46b0 net/core/dev.c:4819 dev_queue_xmit include/linux/netdevice.h:3381 [inline] tx+0xcc/0x190 drivers/block/aoe/aoenet.c:62 kthread+0x1e4/0x3e0 drivers/block/aoe/aoecmd.c:1241 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 </TASK> --- 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.
