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: 4469 Comm: kworker/0:6 Not tainted 4.18.0-rc8+ #182 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:inet_accept+0xf2/0x9f0 net/ipv4/af_inet.c:734 Code: 84 d2 74 09 80 fa 03 0f 8e 93 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 94 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801b10c74b0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff858d8e26 RDI: 0000000000000028 RBP: ffff8801b10c7598 R08: ffff8801b0b26200 R09: ffffed003572d0a7 R10: ffffed003572d0a7 R11: ffff8801ab96853b R12: ffff8801ab968480 R13: ffff8801b10c74f0 R14: ffff8801b10c7570 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 0000000007e6a000 CR4: 00000000001406f0 Call Trace: kernel_accept+0x136/0x310 net/socket.c:3254 smc_clcsock_accept net/smc/af_smc.c:701 [inline] smc_tcp_listen_work+0x218/0x1150 net/smc/af_smc.c:1114 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:412 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 26f43a329fbeccad ]--- RIP: 0010:inet_accept+0xf2/0x9f0 net/ipv4/af_inet.c:734 Code: 84 d2 74 09 80 fa 03 0f 8e 93 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 94 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801b10c74b0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff858d8e26 RDI: 0000000000000028 RBP: ffff8801b10c7598 R08: ffff8801b0b26200 R09: ffffed003572d0a7 R10: ffffed003572d0a7 R11: ffff8801ab96853b R12: ffff8801ab968480 R13: ffff8801b10c74f0 R14: ffff8801b10c7570 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 0000000007e6a000 CR4: 00000000001406f0