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BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:112 [inline]
BUG: KASAN: null-ptr-deref in atomic_add include/linux/atomic/atomic-instrumented.h:104 [inline]
BUG: KASAN: null-ptr-deref in atm_force_charge include/linux/atmdev.h:261 [inline]
BUG: KASAN: null-ptr-deref in send_to_lecd+0x2c2/0x600 net/atm/lec.c:535
Write of size 4 at addr 0000000000000140 by task aoe_tx0/1299

CPU: 1 UID: 0 PID: 1299 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200
 instrument_atomic_read_write include/linux/instrumented.h:112 [inline]
 atomic_add include/linux/atomic/atomic-instrumented.h:104 [inline]
 atm_force_charge include/linux/atmdev.h:261 [inline]
 send_to_lecd+0x2c2/0x600 net/atm/lec.c:535
 lec_arp_resolve net/atm/lec.c:1791 [inline]
 lec_start_xmit+0xec0/0x2660 net/atm/lec.c:285
 __netdev_start_xmit include/linux/netdevice.h:5292 [inline]
 netdev_start_xmit include/linux/netdevice.h:5301 [inline]
 xmit_one net/core/dev.c:3871 [inline]
 dev_hard_start_xmit+0x2d8/0x870 net/core/dev.c:3887
 sch_direct_xmit+0x251/0x4c0 net/sched/sch_generic.c:372
 __dev_xmit_skb net/core/dev.c:4186 [inline]
 __dev_queue_xmit+0x1615/0x38d0 net/core/dev.c:4802
 dev_queue_xmit include/linux/netdevice.h:3384 [inline]
 tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62
 kthread+0x1e0/0x3f0 drivers/block/aoe/aoecmd.c:1241
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
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