general protection fault, probably for non-canonical address 0xe000080fe8c021d1: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000607f46010e88-0x0000607f46010e8f]
CPU: 1 PID: 11270 Comm: syz-executor.2 Not tainted 5.11.0-rc6-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 net/can/j1939/main.c:231 [inline]
RIP: 0010:j1939_priv_get_by_ndev net/can/j1939/main.c:243 [inline]
RIP: 0010:j1939_netdev_notify+0x115/0x330 net/can/j1939/main.c:353
Code: 00 74 08 48 89 df e8 2a 44 49 f9 48 8b 1b 48 85 db 0f 84 f3 00 00 00 4c 89 64 24 08 48 81 c3 28 60 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 fc 43 49 f9 4c 8b 23 4d 85 e4 0f
RSP: 0018:ffffc900158ffd68 EFLAGS: 00010206
RAX: 00000c0fe8c021d1 RBX: 0000607f46010e88 RCX: 0000000000040000
RDX: ffff88801ee99bc0 RSI: 0000000000000118 RDI: 0000000000000118
RBP: 0000000000000118 R08: ffffffff8871eadd R09: fffff52002b1ffa5
R10: fffff52002b1ffa5 R11: 0000000000000000 R12: 0000000000000010
R13: 1ffff1100488c848 R14: dffffc0000000000 R15: ffff888024464244
FS:  00007f931bb84700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a22000 CR3: 0000000020d0e000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:410
 call_netdevice_notifiers_info net/core/dev.c:2040 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2052 [inline]
 call_netdevice_notifiers+0xee/0x150 net/core/dev.c:2066
 __tun_chr_ioctl+0x233a/0x4830 drivers/net/tun.c:3093
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x465b09
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f931bb84188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000000000118 RSI: 00000000400454cd RDI: 0000000000000003
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffc0148b70f R14: 00007f931bb84300 R15: 0000000000022000
Modules linked in:
---[ end trace 7cf9e06df926a1ea ]---
RIP: 0010:j1939_ndev_to_priv net/can/j1939/main.c:219 [inline]
RIP: 0010:j1939_priv_get_by_ndev_locked net/can/j1939/main.c:231 [inline]
RIP: 0010:j1939_priv_get_by_ndev net/can/j1939/main.c:243 [inline]
RIP: 0010:j1939_netdev_notify+0x115/0x330 net/can/j1939/main.c:353
Code: 00 74 08 48 89 df e8 2a 44 49 f9 48 8b 1b 48 85 db 0f 84 f3 00 00 00 4c 89 64 24 08 48 81 c3 28 60 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 fc 43 49 f9 4c 8b 23 4d 85 e4 0f
RSP: 0018:ffffc900158ffd68 EFLAGS: 00010206
RAX: 00000c0fe8c021d1 RBX: 0000607f46010e88 RCX: 0000000000040000
RDX: ffff88801ee99bc0 RSI: 0000000000000118 RDI: 0000000000000118
RBP: 0000000000000118 R08: ffffffff8871eadd R09: fffff52002b1ffa5
R10: fffff52002b1ffa5 R11: 0000000000000000 R12: 0000000000000010
R13: 1ffff1100488c848 R14: dffffc0000000000 R15: ffff888024464244
FS:  00007f931bb84700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a22000 CR3: 0000000020d0e000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400