general protection fault in netdev_pick_tx

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: 033c4ea4 Linux 4.19.122
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13c10b14100000
kernel config: https://syzkaller.appspot.com/x/.config?x=7f9e43a505369285
dashboard link: https://syzkaller.appspot.com/bug?extid=e2d96d86847c58e7dafd
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e2d96d...@syzkaller.appspotmail.com

EXT4-fs warning (device sda1): ext4_block_to_path:105: block 2147483647 > max in inode 17029
EXT4-fs warning (device sda1): ext4_group_extend:1806: can't shrink FS - resize aborted
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7684 Comm: kworker/u4:5 Not tainted 4.19.122-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bond1 bond_alb_monitor
RIP: 0010:netdev_pick_tx+0x140/0x2f0 net/core/dev.c:3731
Code: c1 ea 03 80 3c 02 00 0f 85 b4 01 00 00 4c 8b a3 e8 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 30 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 97 01 00 00 4d 8b 64 24 30 4d 85 e4 0f 84 18 01
RSP: 0018:ffff88805d40f908 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: ffff8880001e0d80 RCX: ffffffff859f4162
RDX: 000eeeee00ee0014 RSI: ffffffff859f4171 RDI: 00777770077000a7
RBP: ffff8880a4552e00 R08: ffff88809e1da000 R09: ffffed1015ce4733
R10: ffffed1015ce4732 R11: ffff8880ae723993 R12: 0077777007700077
R13: ffff8880001e118c R14: 0000000000000000 R15: ffff8880a4552e58
FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c4e0bbe2af CR3: 000000009614a000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__dev_queue_xmit+0x549/0x3040 net/core/dev.c:3809
alb_send_lp_vid+0x365/0x4d0 drivers/net/bonding/bond_alb.c:949
alb_send_learning_packets+0xa3/0x270 drivers/net/bonding/bond_alb.c:1008
bond_alb_monitor+0x74d/0x1300 drivers/net/bonding/bond_alb.c:1555
process_one_work+0x91f/0x1640 kernel/workqueue.c:2155
worker_thread+0x96/0xe20 kernel/workqueue.c:2298
kthread+0x34a/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 4b521c7491ddc376 ]---
RIP: 0010:netdev_pick_tx+0x140/0x2f0 net/core/dev.c:3731
Code: c1 ea 03 80 3c 02 00 0f 85 b4 01 00 00 4c 8b a3 e8 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 30 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 97 01 00 00 4d 8b 64 24 30 4d 85 e4 0f 84 18 01
RSP: 0018:ffff88805d40f908 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: ffff8880001e0d80 RCX: ffffffff859f4162
RDX: 000eeeee00ee0014 RSI: ffffffff859f4171 RDI: 00777770077000a7
RBP: ffff8880a4552e00 R08: ffff88809e1da000 R09: ffffed1015ce4733
R10: ffffed1015ce4732 R11: ffff8880ae723993 R12: 0077777007700077
R13: ffff8880001e118c R14: 0000000000000000 R15: ffff8880a4552e58
FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c4e0bbe2af CR3: 000000009614a000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.