kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 4374 Comm: kworker/1:9 Not tainted 4.18.0-rc6-next-20180725+ #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:inet_accept+0xf2/0xa00 net/ipv4/af_inet.c:735 Code: 84 d2 74 09 80 fa 03 0f 8e 95 07 00 00 48 8d 78 28 41 c7 46 80 ea ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 96 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801aff974b0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff85964766 RDI: 0000000000000028 RBP: ffff8801aff97598 R08: ffff8801afa285c0 R09: ffffed00353d12df R10: ffffed00353d12df R11: ffff8801a9e896fb R12: ffff8801a9e89640 R13: ffff8801aff974f0 R14: ffff8801aff97570 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000240 CR3: 00000001c1dc3000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kernel_accept+0x136/0x310 net/socket.c:3233 smc_clcsock_accept net/smc/af_smc.c:832 [inline] smc_tcp_listen_work+0x222/0xef0 net/smc/af_smc.c:1296 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 86937dc2a72c28cb ]--- RIP: 0010:inet_accept+0xf2/0xa00 net/ipv4/af_inet.c:735 Code: 84 d2 74 09 80 fa 03 0f 8e 95 07 00 00 48 8d 78 28 41 c7 46 80 ea ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 96 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801aff974b0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff85964766 RDI: 0000000000000028 RBP: ffff8801aff97598 R08: ffff8801afa285c0 R09: ffffed00353d12df R10: ffffed00353d12df R11: ffff8801a9e896fb R12: ffff8801a9e89640 R13: ffff8801aff974f0 R14: ffff8801aff97570 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000240 CR3: 00000001c1dc3000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400