sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7259 at lib/iov_iter.c:376 _copy_from_iter+0x2bf/0x1200
Modules linked in:
CPU: 1 PID: 7259 Comm: syz-executor.3 Not tainted 6.3.0-rc5-next-20230404 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1200
Code: 5d 41 5e 41 5f e9 25 03 35 02 e8 3c 62 36 ff be 7c 01 00 00 48 c7 c7 00 d0 9e 84 e8 db 68 5a ff e9 48 fe ff ff e8 21 62 36 ff <0f> 0b 45 31 f6 eb 87 e8 15 62 36 ff 31 ff 89 ee e8 4c 5d 36 ff 40
RSP: 0018:ffff88804803f608 EFLAGS: 00010212
RAX: 00000000000041b7 RBX: 0000000000000000 RCX: ffffc900013f9000
RDX: 0000000000040000 RSI: ffffffff821551ff RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804803f838
R13: ffffea00010fee00 R14: 0000000000001000 R15: ffff88804803f838
FS: 00007fda1ef50700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d5b7fc108 CR3: 0000000048142000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb39/0x16c0
blk_rq_map_user_io+0x1d1/0x200
sg_common_write.constprop.0+0xd8d/0x15f0
sg_write.part.0+0x698/0xac0
TCP: TCP_TX_DELAY enabled
sg_write+0x8d/0xe0
vfs_write+0x2d8/0xdc0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fda219dab19
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:00007fda1ef50188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fda21aedf60 RCX: 00007fda219dab19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007fda21a34f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca049d45f R14: 00007fda1ef50300 R15: 0000000000022000
irq event stamp: 4411
hardirqs last enabled at (4435): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (4458): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1546): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1395): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7257 comm=syz-executor.2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7273 comm=syz-executor.3
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'.
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7314 comm=syz-executor.3
loop3: detected capacity change from 0 to 40
Bluetooth: hci7: command 0x0406 tx timeout
syz-executor.3: attempt to access beyond end of device
loop3: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop3, logical block 10, lost async page write
Bluetooth: hci4: command 0x0406 tx timeout
loop3: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
syz-executor.3: attempt to access beyond end of device
loop3: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop3, logical block 10, lost async page write
loop7: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 40
syz-executor.3: attempt to access beyond end of device
loop3: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop3, logical block 10, lost async page write
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
loop7: detected capacity change from 0 to 40
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs error (device loop7): __ext4_new_inode:1069: comm syz-executor.7: reserved inode found cleared - inode=1
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
EXT4-fs error (device loop7): __ext4_new_inode:1069: comm syz-executor.7: reserved inode found cleared - inode=1
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.