sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10644 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 10644 Comm: syz-executor.6 Not tainted 6.2.0-rc6-next-20230130 #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 62 35 32 02 e8 e9 f4 35 ff be 79 02 00 00 48 c7 c7 80 c6 9e 84 e8 68 ad 59 ff e9 51 fe ff ff e8 ce f4 35 ff <0f> 0b 45 31 f6 eb 87 e8 c2 f4 35 ff 31 ff 89 ee e8 29 f0 35 ff 40
RSP: 0018:ffff88803dd47608 EFLAGS: 00010216
RAX: 00000000000041be RBX: 0000000000000000 RCX: ffffc9000a72a000
RDX: 0000000000040000 RSI: ffffffff82156982 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803dd47838 R14: 0000000000001000 R15: ffff88803dd47838
FS: 00007f84c5f26700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc7352af020 CR3: 000000003e3cc000 CR4: 0000000000350ef0
Call Trace:
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_write.part.0+0x698/0xac0
sg_write+0x8d/0xe0
vfs_write+0x2cf/0xdc0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f84c89f2b19
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:00007f84c5f26188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f84c8b060e0 RCX: 00007f84c89f2b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000004
RBP: 00007f84c8a4cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9a2c6e6f R14: 00007f84c5f26300 R15: 0000000000022000
irq event stamp: 983
hardirqs last enabled at (995): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1006): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (592): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (557): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.6 not setting count and/or reply_len properly
loop3: detected capacity change from 0 to 16383
FAT-fs (loop3): Unrecognized mount option "nnonumtail=1" or missing value
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.4 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.4 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.4 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
loop3: detected capacity change from 0 to 16383
FAT-fs (loop3): Unrecognized mount option "nnonumtail=1" or missing value
loop1: detected capacity change from 0 to 16383
FAT-fs (loop1): Unrecognized mount option "nnonumtail=1" or missing value
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.4 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
loop1: detected capacity change from 0 to 16383
FAT-fs (loop1): Unrecognized mount option "nnonumtail=1" or missing value
loop2: detected capacity change from 0 to 16383
FAT-fs (loop2): Unrecognized mount option "nnonumtail=1" or missing value
loop3: detected capacity change from 0 to 16383
FAT-fs (loop3): Unrecognized mount option "nnonumtail=1" or missing value
loop1: detected capacity change from 0 to 16383
loop3: detected capacity change from 0 to 16383
FAT-fs (loop1): Unrecognized mount option "nnonumtail=1" or missing value
loop2: detected capacity change from 0 to 16383
FAT-fs (loop2): Unrecognized mount option "nnonumtail=1" or missing value
FAT-fs (loop3): Unrecognized mount option "nnonumtail=1" or missing value
I/O error, dev loop3, sector 16128 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
loop2: detected capacity change from 0 to 16383
loop1: detected capacity change from 0 to 40
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
loop1: detected capacity change from 0 to 40
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
loop1: detected capacity change from 0 to 40
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
loop4: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 40