mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
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WARNING: CPU: 0 PID: 8650 at lib/iov_iter.c:623 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 8650 Comm: syz-executor.0 Not tainted 6.2.0-next-20230306 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2b2/0x1140
Code: 5d 41 5e 41 5f e9 b2 fe 34 02 e8 b9 16 35 ff be 73 02 00 00 48 c7 c7 e0 eb 9e 84 e8 78 0b 59 ff e9 51 fe ff ff e8 9e 16 35 ff <0f> 0b 45 31 f6 eb 87 e8 92 16 35 ff 31 ff 89 ee e8 c9 11 35 ff 40
RSP: 0018:ffff888016cc76b0 EFLAGS: 00010212
RAX: 00000000000001ed RBX: 0000000000000000 RCX: ffffc900007c7000
RDX: 0000000000040000 RSI: ffffffff82166ab2 RDI: 0000000000000001
RBP: 0000000000000089 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888016cc78e0 R14: 0000000000000089 R15: ffff888016cc78e0
FS:  00007f2bd2abc700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
CR2: 0000001b2bf21000 CR3: 000000004394a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
 copy_page_from_iter+0x251/0x430
 blk_rq_map_user_iov+0xb41/0x16c0
 blk_rq_map_user_io+0x1d1/0x200
 sg_common_write.constprop.0+0xd8d/0x15f0
 sg_new_write.isra.0+0x523/0x770
 sg_ioctl+0x9f2/0x26a0
 __x64_sys_ioctl+0x19e/0x210
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f2bd5546b19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2bd2abc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2bd5659f60 RCX: 00007f2bd5546b19
RDX: 0000000020000200 RSI: 0000000000002285 RDI: 0000000000000003
RBP: 00007f2bd55a0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffede8e67ef R14: 00007f2bd2abc300 R15: 0000000000022000
 </TASK>
irq event stamp: 985
hardirqs last  enabled at (997): [<ffffffff812fb2b8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1008): [<ffffffff812fb29d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (478): [<ffffffff8118efbc>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (381): [<ffffffff8118efbc>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---