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: 10314 Comm: syz.0.1044 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 99 b9 52 f7 4c 8d 7d 32 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:ffffc90002f0f910 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff888021853980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880299d7080
RBP: 0000000000000000 R08: ffff888021853980 R09: 0000000000000008
R10: 000000000000000f R11: 0000000000000000 R12: ffff8880299d7080
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000032
FS:  00007fbb333ea6c0(0000) GS:ffff8880b861a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d4e1a0fc8 CR3: 00000001061a8000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 rose_write_internal+0x11dc/0x1ac0
 rose_release+0x24e/0x520
 sock_close+0xc3/0x240
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 get_signal+0x11ed/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: 0033:0x7fbb3258ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbb333ea038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: 0000000000000000 RBX: 00007fbb327b6090 RCX: 00007fbb3258ebe9
RDX: 000000000000001c RSI: 0000200000000040 RDI: 000000000000000e
RBP: 00007fbb32611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbb327b6128 R14: 00007fbb327b6090 R15: 00007ffe0e6d1ec8
 </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 99 b9 52 f7 4c 8d 7d 32 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:ffffc90002f0f910 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff888021853980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880299d7080
RBP: 0000000000000000 R08: ffff888021853980 R09: 0000000000000008
R10: 000000000000000f R11: 0000000000000000 R12: ffff8880299d7080
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000032
FS:  00007fbb333ea6c0(0000) GS:ffff8880b861a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d4e1a0fc8 CR3: 00000001061a8000 CR4: 00000000000006f0
