R13: 00007ffc82b0432f R14: 00007f5ef013a300 R15: 0000000000022000
 </TASK>
sg_write: data in/out 1500/1 bytes for SCSI command 0x6c-- guessing data in;
   program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9651 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1150
Modules linked in:
CPU: 1 PID: 9651 Comm: syz-executor.7 Not tainted 6.2.0-rc1-next-20221226 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1150
Code: 5d 41 5e 41 5f e9 a5 9f 2f 02 e8 9c a3 37 ff be 79 02 00 00 48 c7 c7 80 cb 9e 84 e8 6b 18 5b ff e9 48 fe ff ff e8 81 a3 37 ff <0f> 0b 45 31 f6 eb 87 e8 75 a3 37 ff 31 ff 89 ee e8 3c 9f 37 ff 40
RSP: 0018:ffff888047fa75e8 EFLAGS: 00010216
RAX: 0000000000000f01 RBX: 0000000000000000 RCX: ffffc900057f3000
RDX: 0000000000040000 RSI: ffffffff821139ff RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888047fa7818
R13: ffffea0000645e00 R14: 00000000000005dc R15: ffff888047fa7818
FS:  00007f051ff7f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe112cf6168 CR3: 000000000fd28000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_page_from_iter+0xe3/0x180
 blk_rq_map_user_iov+0xb0c/0x1650
 blk_rq_map_user_io+0x1ee/0x220
 sg_common_write.constprop.0+0xd84/0x15e0
 sg_write.part.0+0x698/0xa90
 sg_write+0x88/0xe0
 vfs_write+0x2cf/0xd90
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f0522a09b19
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:00007f051ff7f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0522b1cf60 RCX: 00007f0522a09b19
RDX: 0000000000000031 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f0522a63f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff0c0a3ebf R14: 00007f051ff7f300 R15: 0000000000022000
 </TASK>
irq event stamp: 1039
hardirqs last  enabled at (1051): [<ffffffff812dcdd8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1062): [<ffffffff812dcdbd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (278): [<ffffffff8118087b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (225): [<ffffffff8118087b>] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=26 sclass=netlink_tcpdiag_socket pid=9650 comm=syz-executor.1
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9659 Comm: syz-executor.0 Tainted: G        W          6.2.0-rc1-next-20221226 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8f/0xb7
 should_fail_ex.cold+0x5/0xa
 _copy_from_user+0x2e/0x180
 copy_msghdr_from_user+0x89/0x150
 ___sys_recvmsg+0xbc/0x190
 do_recvmmsg+0x25d/0x6e0
 __x64_sys_recvmmsg+0x213/0x270
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f5ef2bc4b19
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:00007f5ef013a188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f5ef2cd7f60 RCX: 00007f5ef2bc4b19
RDX: 0000000000000500 RSI: 0000000020002800 RDI: 0000000000000003
RBP: 00007f5ef013a1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc82b0432f R14: 00007f5ef013a300 R15: 0000000000022000
 </TASK>
perf: interrupt took too long (2524 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=26 sclass=netlink_tcpdiag_socket pid=9650 comm=syz-executor.1
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'.