sg_write: data in/out 813/179 bytes for SCSI command 0x2a-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
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WARNING: CPU: 1 PID: 10884 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x13b0
Modules linked in:
CPU: 1 PID: 10884 Comm: syz-executor.1 Not tainted 6.5.0-rc7-next-20230825 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x13b0
Code: 7f ff ff 89 c3 e9 1f ff ff ff e8 da d1 33 ff be 85 01 00 00 48 c7 c7 c0 71 9f 84 e8 79 b2 58 ff e9 13 fe ff ff e8 bf d1 33 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 b0 d1 33 ff 31 ff 89 ee e8 e7 cc
RSP: 0018:ffff8880415af608 EFLAGS: 00010216
RAX: 00000000000027b8 RBX: 0000000000000000 RCX: ffffc90006c01000
RDX: 0000000000040000 RSI: ffffffff8219bf01 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000032d
R13: ffffea0001097c00 R14: 000000000000032d R15: ffff8880415af838
syz-executor.3[10886]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
FS: 00007f27af479700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000002f580000 CR4: 0000000000350ee0
Call Trace:
syz-executor.3[10886]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb39/0x1740
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: 0033:0x7f27b1f03b19
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:00007f27af479188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f27b2016f60 RCX: 00007f27b1f03b19
RDX: 00000000000000e1 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f27b1f5df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd3492ee5f R14: 00007f27af479300 R15: 0000000000022000
irq event stamp: 1147
hardirqs last enabled at (1159): [] console_unlock+0x2a8/0x2e0
hardirqs last disabled at (1170): [] console_unlock+0x28d/0x2e0
softirqs last enabled at (712): [] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (1191): [] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---