loop2: p1 < > p2 p3 < p5 p6 > p4
loop2: p2 size 1073741824 extends beyond EOD, truncated
loop2: p5 size 1073741824 extends beyond EOD, truncated
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: 0 PID: 9455 Comm: kworker/0:5 Not tainted 4.19.195-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events linkwatch_event
RIP: 0010:hsr_check_carrier_and_operstate+0x3f/0x810 net/hsr/hsr_device.c:116
Code: f9 be 04 00 00 00 48 89 ef e8 cd a8 ff ff 49 89 c6 48 83 c0 10 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 64 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff8880419dfac8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88803f27ce80 RCX: ffffffff87e9aa8e
RDX: 0000000000000002 RSI: ffffffff87e9aa97 RDI: 0000000000000004
RBP: ffff88809f0c8bc0 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff8b0bb400
FS:  0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff55c72fd0 CR3: 0000000035e83000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hsr_netdev_notify+0x270/0x9f0 net/hsr/hsr_main.c:51
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
 netdev_state_change net/core/dev.c:1349 [inline]
 netdev_state_change+0x100/0x130 net/core/dev.c:1342
 linkwatch_do_dev+0xaa/0x110 net/core/link_watch.c:164
 __linkwatch_run_queue+0x22d/0x5d0 net/core/link_watch.c:202
 linkwatch_event+0x4a/0x60 net/core/link_watch.c:237
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 1a7def0398b7b226 ]---
RIP: 0010:hsr_check_carrier_and_operstate+0x3f/0x810 net/hsr/hsr_device.c:116
Code: f9 be 04 00 00 00 48 89 ef e8 cd a8 ff ff 49 89 c6 48 83 c0 10 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 64 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff8880419dfac8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88803f27ce80 RCX: ffffffff87e9aa8e
RDX: 0000000000000002 RSI: ffffffff87e9aa97 RDI: 0000000000000004
RBP: ffff88809f0c8bc0 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff8b0bb400
FS:  0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff55c72fd0 CR3: 0000000035e83000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400