[syzbot] [wpan?] WARNING in lowpan_xmit (2)
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syzbot
Jun 24, 2025, 4:30:31 PM6/24/25
to alex....@gmail.com, da...@davemloft.net, edum...@google.com, ho...@kernel.org, ku...@kernel.org, linux-...@vger.kernel.org, linux...@vger.kernel.org, miquel...@bootlin.com, net...@vger.kernel.org, pab...@redhat.com, ste...@datenfreihafen.org, syzkall...@googlegroups.com
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+5b74e0...@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 syzk...@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
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+5b74e0...@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 syzk...@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
syzbot
Jan 10, 2026, 2:57:25 AM (yesterday) Jan 10
to alex....@gmail.com, da...@davemloft.net, edum...@google.com, ho...@kernel.org, ku...@kernel.org, linux-...@vger.kernel.org, linux...@vger.kernel.org, miquel...@bootlin.com, net...@vger.kernel.org, pab...@redhat.com, ste...@datenfreihafen.org, syzkall...@googlegroups.com
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: syzbot+5b74e0...@syzkaller.appspotmail.com
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]
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
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>
---
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: syzbot+5b74e0...@syzkaller.appspotmail.com
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
------------[ cut here ]------------
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>
---
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