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: 0 PID: 4633 Comm: kworker/0:25 Not tainted 4.18.0+ #56 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3236 Code: 48 c1 ea 03 80 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 20 48 8d bb 48 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 02 00 00 48 8d 7b 10 0f b6 RSP: 0018:ffff8801b4d175a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000069 RSI: ffffffff8508d7ef RDI: 0000000000000348 RBP: ffff8801b4d175d8 R08: ffff8801aeba6d78 R09: 0000000000000006 R10: ffff8801aeba6540 R11: 0000000000000000 R12: ffff8801b4d17688 R13: ffff8801a9e11b00 R14: 0000000000000000 R15: ffff8801d952f3f0 FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 00000001af45a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smc_clcsock_accept net/smc/af_smc.c:831 [inline] smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1296 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace c8006b012cced792 ]--- RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3236 Code: 48 c1 ea 03 80 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 20 48 8d bb 48 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 02 00 00 48 8d 7b 10 0f b6 RSP: 0018:ffff8801b4d175a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000069 RSI: ffffffff8508d7ef RDI: 0000000000000348 RBP: ffff8801b4d175d8 R08: ffff8801aeba6d78 R09: 0000000000000006 R10: ffff8801aeba6540 R11: 0000000000000000 R12: ffff8801b4d17688 R13: ffff8801a9e11b00 R14: 0000000000000000 R15: ffff8801d952f3f0 FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 00000001af45a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400