------------[ cut here ]------------ BUG: receive list entry not found for dev vcan0, id 002, mask C00007FF WARNING: CPU: 1 PID: 14248 at net/can/af_can.c:546 can_rx_unregister+0x5a4/0x700 net/can/af_can.c:546 Modules linked in: CPU: 1 PID: 14248 Comm: syz-executor.2 Not tainted 5.10.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:can_rx_unregister+0x5a4/0x700 net/can/af_can.c:546 Code: 8b 7c 24 78 44 8b 64 24 68 49 c7 c5 e0 96 56 8a e8 71 97 97 f9 44 89 f9 44 89 e2 4c 89 ee 48 c7 c7 20 97 56 8a e8 d6 aa d3 00 <0f> 0b 48 8b 7c 24 28 e8 c0 1c 0f 01 e9 54 fb ff ff e8 66 0e d9 f9 RSP: 0018:ffffc9001621fb38 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801a72cec0 RSI: ffffffff8158f3c5 RDI: fffff52002c43f59 RBP: 0000000000000118 R08: 0000000000000001 R09: ffff8880b9f30627 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 R13: ffff88805b078000 R14: 1ffff92002c43f6e R15: 00000000c00007ff FS: 0000000002d48940(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00f5c2858 CR3: 0000000023a06000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: isotp_notifier+0x2a7/0x540 net/can/isotp.c:1303 call_netdevice_notifier net/core/dev.c:1735 [inline] call_netdevice_unregister_notifiers+0x156/0x1c0 net/core/dev.c:1763 call_netdevice_unregister_net_notifiers net/core/dev.c:1791 [inline] unregister_netdevice_notifier+0xcd/0x170 net/core/dev.c:1870 isotp_release+0x136/0x600 net/can/isotp.c:1011 __sock_release+0xcd/0x280 net/socket.c:596 sock_close+0x18/0x20 net/socket.c:1277 __fput+0x285/0x920 fs/file_table.c:281 task_work_run+0xdd/0x190 kernel/task_work.c:151 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0x17e/0x1a0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x260 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x417811 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffe97c45cb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000417811 RDX: 0000000000000000 RSI: 00000000000006ee RDI: 0000000000000003 RBP: 0000000000000001 R08: 00000000034e66ee R09: 00000000034e66f2 R10: 00007ffe97c45d90 R11: 0000000000000293 R12: 000000000118c9a0 R13: 000000000118c9a0 R14: 00000000000003e8 R15: 000000000118bf2c