------------[ cut here ]------------
WARNING: CPU: 1 PID: 7859 at lib/iov_iter.c:364 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 7859 Comm: syz-executor.7 Not tainted 6.3.0-rc2-next-20230317 #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 52 f0 32 02 e8 09 66 36 ff be 70 01 00 00 48 c7 c7 c0 bd 9e 84 e8 68 53 5a ff e9 51 fe ff ff e8 ee 65 36 ff <0f> 0b 45 31 f6 eb 87 e8 e2 65 36 ff 31 ff 89 ee e8 19 61 36 ff 40
RSP: 0018:ffff88804405f6b0 EFLAGS: 00010212
RAX: 00000000000001eb RBX: 0000000000000000 RCX: ffffc900057ef000
RDX: 0000000000040000 RSI: ffffffff8214f712 RDI: 0000000000000001
RBP: 0000000000000047 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88804405f8e0 R14: 0000000000000047 R15: ffff88804405f8e0
FS:  00007f841edf6700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f841edf5d58 CR3: 0000000047d8a000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 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: 0033:0x7f8421880b19
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:00007f841edf6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8421993f60 RCX: 00007f8421880b19
RDX: 0000000020000680 RSI: 0000000000002285 RDI: 0000000000000008
RBP: 00007f84218daf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd35e3f9af R14: 00007f841edf6300 R15: 0000000000022000
 </TASK>
irq event stamp: 1477
hardirqs last  enabled at (1489): [<ffffffff812f8eb8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1500): [<ffffffff812f8e9d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1292): [<ffffffff8118d7bc>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1275): [<ffffffff8118d7bc>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7901 Comm: syz-executor.3 Tainted: G        W          6.3.0-rc2-next-20230317 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 _copy_from_user+0x2e/0x180
 get_sg_io_hdr+0x5cb/0x830
 sg_new_write.isra.0+0x141/0x770
 sg_ioctl+0x9f2/0x26a0
 __x64_sys_ioctl+0x19e/0x210
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f57a55f6b19
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:00007f57a2b6c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f57a5709f60 RCX: 00007f57a55f6b19
RDX: 0000000020000680 RSI: 0000000000002285 RDI: 0000000000000004
RBP: 00007f57a2b6c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe3f80726f R14: 00007f57a2b6c300 R15: 0000000000022000
 </TASK>