Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 UID: 0 PID: 7203 Comm: syz.1.319 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 19 25 87 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:ffffc900078479b0 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff8881b670d700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88816d0ffb00
RBP: 0000000000000000 R08: ffff8881b670d700 R09: 0000000000000008
R10: 000000000000000f R11: 0000000000000000 R12: ffff88816d0ffb00
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000036
FS:  0000555560f99500(0000) GS:ffff8882a9f3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555565bbd588 CR3: 000000016c4c4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 rose_write_internal+0x11dc/0x1ac0
 rose_release+0x25b/0x510
 sock_close+0xc3/0x240
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 do_exit+0x6b5/0x2300
 do_group_exit+0x21c/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x21f7/0x2200
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb6e918f6c9
Code: Unable to access opcode bytes at 0x7fb6e918f69f.
RSP: 002b:00007ffeb45eead8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6e918f6c9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffeb45eeb3c R08: 0000001eb45eebcf R09: 00000000000927c0
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000005b
R13: 00000000000927c0 R14: 00000000000153d6 R15: 00007ffeb45eeb90
 </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 19 25 87 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:ffffc900078479b0 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff8881b670d700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88816d0ffb00
RBP: 0000000000000000 R08: ffff8881b670d700 R09: 0000000000000008
R10: 000000000000000f R11: 0000000000000000 R12: ffff88816d0ffb00
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000036
FS:  0000555560f99500(0000) GS:ffff88818eb3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000173ab6000 CR4: 00000000000006f0
