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 Modules linked in: CPU: 1 PID: 2774 Comm: kworker/1:2 Not tainted 4.14.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krxrpcd rxrpc_process_call task: ffff88809eeea0c0 task.stack: ffff88809eef8000 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:refcount_read include/linux/refcount.h:42 [inline] RIP: 0010:rxrpc_get_skb+0x57/0x2f0 net/rxrpc/skbuff.c:52 RSP: 0018:ffff88809eeffc60 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 00000000000000e4 RCX: 0000000000000000 RDX: 000000000000001c RSI: 000000000000000a RDI: 0000000000000000 RBP: ffff88809eeffca8 R08: ffff88809eeea9b8 R09: 0000000000005e48 R10: 0000000000000050 R11: ffff88809eeea0c0 R12: 000000000000000a R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 000000008f137000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_resend net/rxrpc/call_event.c:319 [inline] rxrpc_process_call+0x4e1/0xff9 net/rxrpc/call_event.c:407 process_one_work+0x79e/0x16c0 kernel/workqueue.c:2116 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250 kthread+0x338/0x400 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 89 45 d0 48 c7 c0 a0 de e0 89 48 0f 46 c2 f0 44 0f c1 28 48 8d 9f e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff88809eeffc60 RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff88809eeffc60 RIP: refcount_read include/linux/refcount.h:42 [inline] RSP: ffff88809eeffc60 RIP: rxrpc_get_skb+0x57/0x2f0 net/rxrpc/skbuff.c:52 RSP: ffff88809eeffc60 ---[ end trace a535c4cbba5eddd6 ]---