sg_write: data in/out 791/1948 bytes for SCSI command 0x78-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
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WARNING: CPU: 1 PID: 11627 at lib/iov_iter.c:629 _copy_from_iter+0x2f1/0x1130
Modules linked in:
CPU: 1 PID: 11627 Comm: syz-executor.0 Not tainted 6.1.0-next-20221219 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1130
Code: 37 ff 44 89 f3 e9 2f ff ff ff e8 7a 13 37 ff be 79 02 00 00 48 c7 c7 80 c8 9e 84 e8 99 91 5a ff e9 13 fe ff ff e8 5f 13 37 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 50 13 37 ff 31 ff 89 ee e8 17 0f
RSP: 0018:ffff888042e875e8 EFLAGS: 00010216
RAX: 0000000000000e3d RBX: 0000000000000000 RCX: ffffc900007cf000
RDX: 0000000000040000 RSI: ffffffff82121a51 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000079c
R13: ffffea0001138600 R14: 000000000000079c R15: ffff888042e87818
FS: 00007f181415c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1bce514ae0 CR3: 000000003ce18000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
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+0x706/0xb20
sg_write+0x88/0xe0
vfs_write+0x358/0xe40
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f1816be6b19
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:00007f181415c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1816cf9f60 RCX: 00007f1816be6b19
RDX: 00000000000007cc RSI: 0000000020000100 RDI: 0000000000000003
RBP: 00007f1816c40f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca0d081ef R14: 00007f181415c300 R15: 0000000000022000
irq event stamp: 3187
hardirqs last enabled at (3199): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (3208): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2440): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (2343): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---