general protection fault, probably for non-canonical address 0xe000080fe8c07429: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x0000607f4603a148-0x0000607f4603a14f] CPU: 0 PID: 8475 Comm: syz-executor952 Not tainted 5.11.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:j1939_ndev_to_priv net/can/j1939/main.c:219 [inline] RIP: 0010:j1939_priv_get_by_ndev_locked+0xff/0x220 net/can/j1939/main.c:231 Code: a0 05 00 00 48 85 db 0f 84 a8 00 00 00 e8 79 d0 8f f9 48 8d bb 28 60 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 01 01 00 00 4c 8b a3 28 60 00 00 4d 85 e4 74 75 RSP: 0018:ffffc90001fdfc48 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000607f46034120 RCX: 0000000000000000 RDX: 00000c0fe8c07429 RSI: ffffffff87e30427 RDI: 0000607f4603a148 RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000118 R10: ffffffff87e303df R11: 0000000000000118 R12: 0000000000000118 R13: ffffffff8d692360 R14: 0000000000000000 R15: ffffffff8d65b4a0 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000009c8a2c0 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000055cfb5886428 CR3: 00000000120a7000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_priv_get_by_ndev net/can/j1939/main.c:243 [inline] j1939_netdev_notify+0x41/0x1a0 net/can/j1939/main.c:353 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2040 call_netdevice_notifiers_extack net/core/dev.c:2052 [inline] call_netdevice_notifiers+0x79/0xa0 net/core/dev.c:2066 __tun_chr_ioctl.isra.0+0x3702/0x4360 drivers/net/tun.c:3093 __do_compat_sys_ioctl+0x1d3/0x230 fs/ioctl.c:842 do_syscall_32_irqs_on arch/x86/entry/common.c:77 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:139 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:164 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f62549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffd287dc EFLAGS: 00000217 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000400454cd RDX: 0000000000000118 RSI: 0000000000000036 RDI: 0000000000000003 RBP: 00000000400454ca R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 85d2c491c00ab542 ]--- RIP: 0010:j1939_ndev_to_priv net/can/j1939/main.c:219 [inline] RIP: 0010:j1939_priv_get_by_ndev_locked+0xff/0x220 net/can/j1939/main.c:231 Code: a0 05 00 00 48 85 db 0f 84 a8 00 00 00 e8 79 d0 8f f9 48 8d bb 28 60 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 01 01 00 00 4c 8b a3 28 60 00 00 4d 85 e4 74 75 RSP: 0018:ffffc90001fdfc48 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000607f46034120 RCX: 0000000000000000 RDX: 00000c0fe8c07429 RSI: ffffffff87e30427 RDI: 0000607f4603a148 RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000118 R10: ffffffff87e303df R11: 0000000000000118 R12: 0000000000000118 R13: ffffffff8d692360 R14: 0000000000000000 R15: ffffffff8d65b4a0 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000009c8a2c0 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000055cfb5886428 CR3: 00000000120a7000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400