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 Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 13219 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #50 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RIP: 0010:smc_ioctl+0x6db/0x9f0 net/smc/af_smc.c:1506 RSP: 0018:ffff88019a94f770 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000004 RSI: 1ffff10033529f0d RDI: 0000000000000020 RBP: ffff88019a94f9d0 R08: ffffed0033529f0e R09: ffffed0033529f0d R10: ffffed0033529f0d R11: ffff88019a94f86f R12: 1ffff10033529ef1 R13: 0000000020001540 R14: ffff88019a94f868 R15: ffff88019a94f828 FS: 00007f55dd70f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007270dc CR3: 00000001cc14d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_do_ioctl+0xe4/0x3e0 net/socket.c:957 sock_ioctl+0x30d/0x680 net/socket.c:1081 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 bridge_slave_0: FDB only supports static addresses __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455a09 RSP: 002b:00007f55dd70ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f55dd70f6d4 RCX: 0000000000455a09 RDX: 0000000020001540 RSI: 000000000000894b RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000044c R14: 00000000006fa7c0 R15: 0000000000000000 Code: f8 48 c1 e8 03 80 3c 10 00 0f 85 ed 01 00 00 48 8b 9b 90 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e b7 01 00 00 8b 43 20 49 8d RIP: smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RSP: ffff88019a94f770 RIP: smc_ioctl+0x6db/0x9f0 net/smc/af_smc.c:1506 RSP: ffff88019a94f770 ---[ end trace 6276dc90ef857dae ]---