general protection fault, probably for non-canonical address 0xdffffc0000000c05: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000000006028-0x000000000000602f] CPU: 1 PID: 11466 Comm: syz-executor300 Not tainted 5.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:j1939_priv_set net/can/j1939/main.c:145 [inline] RIP: 0010:j1939_netdev_start+0x361/0x650 net/can/j1939/main.c:280 Code: 03 80 3c 02 00 0f 85 bc 02 00 00 4c 8b ab 90 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd 28 60 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 89 02 00 00 4d 89 a5 28 60 00 00 48 c7 c7 e0 8c RSP: 0018:ffffc90004c47d00 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff888085be0000 RCX: ffffffff87161b84 RDX: 0000000000000c05 RSI: ffffffff87162b3c RDI: 0000000000006028 RBP: ffffc90004c47d40 R08: ffff888092fa4640 R09: fffff52000988f8e R10: fffff52000988f8d R11: 0000000000000003 R12: ffff888085bf8000 R13: 0000000000000000 R14: ffff888085bf9050 R15: ffff888085be0558 FS: 00007f9f017fd700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f017fce78 CR3: 0000000090a3b000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_sk_bind+0x68d/0x980 net/can/j1939/socket.c:469 __sys_bind+0x239/0x290 net/socket.c:1662 __do_sys_bind net/socket.c:1673 [inline] __se_sys_bind net/socket.c:1671 [inline] __x64_sys_bind+0x73/0xb0 net/socket.c:1671 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446d39 Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9f017fcd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00000000006dbc78 RCX: 0000000000446d39 RDX: 0000000000000018 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00000000006dbc70 R08: 00007f9f017fd700 R09: 0000000000000000 R10: 00007f9f017fd700 R11: 0000000000000246 R12: 00000000006dbc7c R13: 000000006f340000 R14: 0000000000000000 R15: 068500100000003c Modules linked in: ---[ end trace 9c07f6403bfd3650 ]--- RIP: 0010:j1939_priv_set net/can/j1939/main.c:145 [inline] RIP: 0010:j1939_netdev_start+0x361/0x650 net/can/j1939/main.c:280 Code: 03 80 3c 02 00 0f 85 bc 02 00 00 4c 8b ab 90 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd 28 60 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 89 02 00 00 4d 89 a5 28 60 00 00 48 c7 c7 e0 8c RSP: 0018:ffffc90004c47d00 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff888085be0000 RCX: ffffffff87161b84 RDX: 0000000000000c05 RSI: ffffffff87162b3c RDI: 0000000000006028 RBP: ffffc90004c47d40 R08: ffff888092fa4640 R09: fffff52000988f8e R10: fffff52000988f8d R11: 0000000000000003 R12: ffff888085bf8000 R13: 0000000000000000 R14: ffff888085bf9050 R15: ffff888085be0558 FS: 00007f9f017fd700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f017fce78 CR3: 0000000090a3b000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400