Buffer I/O error on dev loop4, logical block 31, lost async page write
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
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WARNING: CPU: 1 PID: 4957 at lib/iov_iter.c:364 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4957 Comm: syz-executor.0 Not tainted 6.2.0-rc8-next-20230216 #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 a2 fb 33 02 e8 f9 e7 35 ff be 70 01 00 00 48 c7 c7 e0 d4 9e 84 e8 d8 e0 59 ff e9 51 fe ff ff e8 de e7 35 ff <0f> 0b 45 31 f6 eb 87 e8 d2 e7 35 ff 31 ff 89 ee e8 39 e3 35 ff 40
RSP: 0018:ffff88801a3c7608 EFLAGS: 00010216
RAX: 000000000000a437 RBX: 0000000000000000 RCX: ffffc900011dc000
RDX: 0000000000040000 RSI: ffffffff82159442 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801a3c7838 R14: 0000000000001000 R15: ffff88801a3c7838
FS: 00007f997a365700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f997a344718 CR3: 000000000ee9a000 CR4: 0000000000350ee0
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: 0033:0x7f997cdefb19
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:00007f997a365188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f997cf02f60 RCX: 00007f997cdefb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f997ce49f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdb5b30eef R14: 00007f997a365300 R15: 0000000000022000
irq event stamp: 13079
hardirqs last enabled at (13139): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (13232): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (6912): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (6855): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
loop7: detected capacity change from 0 to 40
loop5: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=60, nr_sectors = 64 limit=40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 31, lost async page write
kworker/u4:11: attempt to access beyond end of device
loop7: rw=1, sector=48, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 12, lost async page write
kworker/u4:11: attempt to access beyond end of device
loop7: rw=1, sector=52, nr_sectors = 8 limit=40
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=44, nr_sectors = 80 limit=40
syz-executor.5: attempt to access beyond end of device
loop5: rw=2049, sector=44, nr_sectors = 80 limit=40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 31, lost async page write
syz-executor.5: attempt to access beyond end of device
loop5: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop5, logical block 31, lost async page write
kworker/u4:3: attempt to access beyond end of device
loop4: rw=1, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 10, lost async page write
kworker/u4:3: attempt to access beyond end of device
loop4: rw=1, sector=44, nr_sectors = 80 limit=40
Buffer I/O error on dev loop4, logical block 31, lost async page write
Buffer I/O error on dev loop7, logical block 10, lost async page write
Buffer I/O error on dev loop5, logical block 10, lost async page write
blktrace: Concurrent blktraces are not allowed on sg0
loop5: detected capacity change from 0 to 40
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5046 comm=syz-executor.2
mmap: syz-executor.1 (5069) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5088 comm=syz-executor.2
Process accounting resumed
Process accounting resumed
Process accounting resumed
Process accounting resumed