------------[ cut here ]------------ BUG: receive list entry not found for dev vcan0, id 001, mask C00007FF WARNING: CPU: 0 PID: 20473 at net/can/af_can.c:546 can_rx_unregister+0x5a4/0x700 net/can/af_can.c:546 Modules linked in: CPU: 0 PID: 20473 Comm: syz-executor.1 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 60 e2 56 8a e8 d1 d7 95 f9 44 89 f9 44 89 e2 4c 89 ee 48 c7 c7 a0 e2 56 8a e8 26 9b d3 00 <0f> 0b 48 8b 7c 24 28 e8 50 0e 0f 01 e9 54 fb ff ff e8 e6 df d7 f9 RSP: 0018:ffffc90015e9f910 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8158f3c5 RDI: fffff52002bd3f14 RBP: 0000000000000118 R08: 0000000000000001 R09: ffff8880b9e30627 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88805dd78000 R14: 1ffff92002bd3f29 R15: 00000000c00007ff FS: 00007f973f06a700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f927000 CR3: 0000000024ecc000 CR4: 00000000001506f0 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:595 sock_close+0x18/0x20 net/socket.c:1254 __fput+0x285/0x920 fs/file_table.c:281 task_work_run+0xdd/0x190 kernel/task_work.c:151 get_signal+0xd89/0x1f00 kernel/signal.c:2562 arch_do_signal+0x82/0x2390 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0x100/0x1a0 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: 0033:0x45deb9 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f973f069c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: 0000000000000000 RBX: 0000000000000c40 RCX: 000000000045deb9 RDX: 0000000000000018 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007f973f069ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc90b463ef R14: 00007f973f06a9c0 R15: 000000000118bf2c