syz-executor.0 (5313) used greatest stack depth: 23232 bytes left
sg_write: data in/out 218/46 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.1 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5345 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320
Modules linked in:
CPU: 1 PID: 5345 Comm: syz-executor.1 Not tainted 6.4.0-rc7-next-20230623 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1320
Code: b2 ff ff 89 c3 e9 1f ff ff ff e8 1a e4 35 ff be 85 01 00 00 48 c7 c7 20 01 9f 84 e8 39 37 5a ff e9 13 fe ff ff e8 ff e3 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 f0 e3 35 ff 31 ff 89 ee e8 27 df
RSP: 0018:ffff888043eaf608 EFLAGS: 00010212
RAX: 0000000000001426 RBX: 0000000000000000 RCX: ffffc90000bfd000
RDX: 0000000000040000 RSI: ffffffff82167b41 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff81811e15 R12: 00000000000000da
R13: ffffea00010c1200 R14: 00000000000000da R15: ffff888043eaf838
FS:  00007fb8e45d5700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d7118a6080 CR3: 0000000014082000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 copy_page_from_iter+0xe3/0x180
 blk_rq_map_user_iov+0xb39/0x16c0
 blk_rq_map_user_io+0x1d1/0x200
 sg_common_write.constprop.0+0xd8d/0x15f0
 sg_write.part.0+0x69e/0xac0
 sg_write+0x8d/0xe0
 vfs_write+0x2b9/0xda0
 ksys_write+0x122/0x250
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fb8e705fb19
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:00007fb8e45d5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb8e7172f60 RCX: 00007fb8e705fb19
RDX: 0000000000000058 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007fb8e70b9f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc88199b7f R14: 00007fb8e45d5300 R15: 0000000000022000
 </TASK>
irq event stamp: 1075
hardirqs last  enabled at (1085): [<ffffffff813024b8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1096): [<ffffffff8130249d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (986): [<ffffffff81190303>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (973): [<ffffffff81190303>] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 264192
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop5: detected capacity change from 0 to 2048
EXT4-fs warning (device loop5): read_mmp_block:114: Error -117 while reading MMP block 0
loop5: detected capacity change from 0 to 264192
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop5: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 760
EXT4-fs warning (device loop5): read_mmp_block:114: Error -117 while reading MMP block 0
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
capability: warning: `syz-executor.5' uses 32-bit capabilities (legacy support in use)
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium