sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4911 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 1 PID: 4911 Comm: syz-executor.1 Not tainted 6.2.0-rc3-next-20230110 #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 55 3a 32 02 e8 cc 1f 37 ff be 79 02 00 00 48 c7 c7 40 d6 9e 84 e8 cb d1 5a ff e9 48 fe ff ff e8 b1 1f 37 ff <0f> 0b 45 31 f6 eb 87 e8 a5 1f 37 ff 31 ff 89 ee e8 6c 1b 37 ff 40
RSP: 0018:ffff88800fda7608 EFLAGS: 00010216
RAX: 0000000000000f01 RBX: 0000000000000000 RCX: ffffc90001e0e000
RDX: 0000000000040000 RSI: ffffffff8212534f RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800fda7838
R13: ffffea0001071600 R14: 0000000000000390 R15: ffff88800fda7838
FS: 00007f6f30559700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00fb11ff28 CR3: 000000000c624000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb15/0x16a0
blk_rq_map_user_io+0x1d1/0x200
sg_common_write.constprop.0+0xd8d/0x15f0
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: 0033:0x7f6f33025b19
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:00007f6f30559188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6f331390e0 RCX: 00007f6f33025b19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000006
RBP: 00007f6f3307ff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe62558a6f R14: 00007f6f30559300 R15: 0000000000022000
irq event stamp: 5737
hardirqs last enabled at (8663): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (8710): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (8638): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8455): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1673349938.847:10): avc: denied { read } for pid=4908 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
device lo left promiscuous mode
device lo left promiscuous mode
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
loop6: detected capacity change from 0 to 40
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=124, nr_sectors = 4 limit=40
buffer_io_error: 24 callbacks suppressed
Buffer I/O error on dev loop6, logical block 31, lost async page write
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 31, lost async page write
loop6: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
loop0: detected capacity change from 0 to 40
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 31, lost async page write
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
syz-executor.0: attempt to access beyond end of device
loop0: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop0, logical block 31, lost async page write
loop6: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 31, lost async page write
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
loop0: detected capacity change from 0 to 40
loop6: detected capacity change from 0 to 40
syz-executor.0: attempt to access beyond end of device
loop0: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop0, logical block 31, lost async page write
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 10, lost async page write
kworker/u4:4: attempt to access beyond end of device
loop6: rw=1, sector=44, nr_sectors = 80 limit=40
Buffer I/O error on dev loop6, logical block 31, lost async page write
loop6: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 40
loop0: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
bio_check_eod: 6 callbacks suppressed
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=124, nr_sectors = 4 limit=40
buffer_io_error: 5 callbacks suppressed
Buffer I/O error on dev loop6, logical block 31, lost async page write
loop6: detected capacity change from 0 to 40
syz-executor.3: attempt to access beyond end of device
loop3: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop3, logical block 31, lost async page write
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 10, lost async page write
syz-executor.7: attempt to access beyond end of device
loop7: 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.2: attempt to access beyond end of device
loop2: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop2, logical block 31, lost async page write