sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5801 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 0 PID: 5801 Comm: syz-executor.6 Not tainted 6.2.0-rc3-next-20230109 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1170
Code: 5d 41 5e 41 5f e9 65 35 32 02 e8 8c 28 37 ff be 79 02 00 00 48 c7 c7 40 d5 9e 84 e8 fb d4 5a ff e9 48 fe ff ff e8 71 28 37 ff <0f> 0b 45 31 f6 eb 87 e8 65 28 37 ff 31 ff 89 ee e8 2c 24 37 ff 40
RSP: 0018:ffff8880416775e8 EFLAGS: 00010212
RAX: 000000000000106f RBX: 0000000000000000 RCX: ffffc90003de2000
RDX: 0000000000040000 RSI: ffffffff821249ff RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888041677818
R13: ffffea0000327a00 R14: 0000000000000390 R15: ffff888041677818
FS: 00007fea1f09e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea1f09dd58 CR3: 000000001a03c000 CR4: 0000000000350ef0
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+0x698/0xa90
sg_write+0x8d/0xe0
vfs_write+0x2cf/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fea21b49b19
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:00007fea1f09e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fea21c5d020 RCX: 00007fea21b49b19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000005
RBP: 00007fea21ba3f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd971e68cf R14: 00007fea1f09e300 R15: 0000000000022000
irq event stamp: 1607
hardirqs last enabled at (1617): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1628): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1292): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (1239): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
No source specified
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capability: warning: `syz-executor.0' uses 32-bit capabilities (legacy support in use)
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 23 prio class 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 2, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 3, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 4, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 5, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 6, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 7, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
loop0: detected capacity change from 0 to 40
loop0: detected capacity change from 0 to 40
syz-executor.0: attempt to access beyond end of device
loop0: rw=2049, sector=40, nr_sectors = 4 limit=40
buffer_io_error: 6 callbacks suppressed
Buffer I/O error on dev loop0, logical block 10, lost async page write
loop0: detected capacity change from 0 to 40
syz-executor.0: attempt to access beyond end of device
loop0: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop0, logical block 10, lost async page write
loop0: detected capacity change from 0 to 40