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: 0 PID: 7284 Comm: kworker/0:4 Not tainted 4.14.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krxrpcd rxrpc_process_call task: ffff88806414a2c0 task.stack: ffff8880640f0000 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+0x62/0x360 net/rxrpc/skbuff.c:52 RSP: 0018:ffff8880640f7c28 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88806414ab40 RDX: 000000000000001c RSI: 000000000000000a RDI: 00000000000000e4 RBP: ffff8880640f7c68 R08: 0000000000001fa9 R09: ffffffff8957a708 R10: ffff88806414ab90 R11: ffff88806414a2c0 R12: 000000000000000a R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8a55dea0 FS: 0000000000000000(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020650000 CR3: 0000000007e6a000 CR4: 00000000001406f0 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+0x555/0x1169 net/rxrpc/call_event.c:407 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: c0 60 de 55 8a 4c 0f 46 f8 e8 9b 49 7a fb f0 45 0f c1 2f 48 8d bb e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 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: ffff8880640f7c28 RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff8880640f7c28 RIP: refcount_read include/linux/refcount.h:42 [inline] RSP: ffff8880640f7c28 RIP: rxrpc_get_skb+0x62/0x360 net/rxrpc/skbuff.c:52 RSP: ffff8880640f7c28 ---[ end trace e33465023c861927 ]---