Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 UID: 0 PID: 9476 Comm: syz.1.987 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:rose_transmit_link+0x32/0x740
Code: 56 41 55 41 54 53 48 83 ec 18 48 89 f5 49 89 fc 49 be 00 00 00 00 00 fc ff df e8 a9 f7 52 f7 4c 8d 7d 36 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 6e 05 00 00 41 0f b6 1f 31 ff 89 de e8
RSP: 0018:ffffc90003e77770 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff888106908000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881147d4a80
RBP: 0000000000000000 R08: ffff888106908000 R09: 0000000000000008
R10: 000000000000000f R11: 0000000000000000 R12: ffff8881147d4a80
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000036
FS:  0000000000000000(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4df23e78 CR3: 000000000df36000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 rose_write_internal+0x11dc/0x1ac0
 rose_release+0x236/0x4e0
 sock_close+0xc3/0x240
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 do_exit+0x6b5/0x2300
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e91345936
Code: Unable to access opcode bytes at 0x7f4e9134590c.
RSP: 002b:00007f4e92150120 EFLAGS: 00000246 ORIG_RAX: 000000000000000e
RAX: 0000000000000000 RBX: 00007f4e921506c0 RCX: 00007f4e91345936
RDX: 0000000000000000 RSI: 00007f4e92150fb0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd0a4a37d7
R10: 0000000000000008 R11: 0000000000000246 R12: ffffffffffffffa8
R13: 000000000000006e R14: 00007ffd0a4a36f0 R15: 00007ffd0a4a37d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rose_transmit_link+0x32/0x740
Code: 56 41 55 41 54 53 48 83 ec 18 48 89 f5 49 89 fc 49 be 00 00 00 00 00 fc ff df e8 a9 f7 52 f7 4c 8d 7d 36 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 6e 05 00 00 41 0f b6 1f 31 ff 89 de e8
RSP: 0018:ffffc90003e77770 EFLAGS: 00010207

RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff888106908000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881147d4a80
RBP: 0000000000000000 R08: ffff888106908000 R09: 0000000000000008
R10: 000000000000000f R11: 0000000000000000 R12: ffff8881147d4a80
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000036
FS:  00007f4e921506c0(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010f3e2000 CR4: 00000000000006f0
