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
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4017 at lib/iov_iter.c:385 _copy_from_iter+0x2b2/0x1330
Modules linked in:
CPU: 0 PID: 4017 Comm: syz-executor.5 Not tainted 6.3.0-rc7-next-20230421 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2b2/0x1330
Code: 5d 41 5e 41 5f e9 c2 86 36 02 e8 b9 5a 36 ff be 85 01 00 00 48 c7 c7 40 cf 9e 84 e8 98 6c 5a ff e9 51 fe ff ff e8 9e 5a 36 ff <0f> 0b 45 31 f6 eb 87 e8 92 5a 36 ff 31 ff 89 ee e8 c9 55 36 ff 40
RSP: 0018:ffff888041daf608 EFLAGS: 00010212
RAX: 0000000000003ab4 RBX: 0000000000000000 RCX: ffffc90002feb000
RDX: 0000000000040000 RSI: ffffffff82157ce2 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffff888041daf838 R14: 0000000000001000 R15: ffff888041daf838
FS: 00007fd66e78c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 0000000039dea000 CR4: 0000000000350ef0
audit: type=1400 audit(1682199917.565:11): avc: denied { read } for pid=4013 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
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
sg_write+0x8d/0xe0
vfs_write+0x2d8/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fd671216b19
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:00007fd66e78c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd671329f60 RCX: 00007fd671216b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007fd671270f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffbc51416f R14: 00007fd66e78c300 R15: 0000000000022000
irq event stamp: 4823
hardirqs last enabled at (4847): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (4868): [] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (3664): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (3401): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4047 comm=syz-executor.5
random: crng reseeded on system resumption
random: crng reseeded on system resumption
hugetlbfs: Unknown parameter 'none'
hugetlbfs: Unknown parameter 'none'
loop0: detected capacity change from 0 to 264192
syz-executor.1 (4039) used greatest stack depth: 24048 bytes left
EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)!
EXT4-fs (loop0): group descriptors corrupted!
loop0: detected capacity change from 0 to 264192
EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)!
EXT4-fs (loop0): group descriptors corrupted!
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
blk_print_req_error: 15 callbacks suppressed
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 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 02 00
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 8 prio class 2
buffer_io_error: 14 callbacks suppressed
Buffer I/O error on dev sr0, logical block 0, async page read
Buffer I/O error on dev sr0, logical block 1, async page read
Buffer I/O error on dev sr0, logical block 2, async page read
Buffer I/O error on dev sr0, logical block 3, async page read
Buffer I/O error on dev sr0, logical block 4, async page read
Buffer I/O error on dev sr0, logical block 5, async page read
Buffer I/O error on dev sr0, logical block 6, async page read
Buffer I/O error on dev sr0, logical block 7, async page read
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
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4047 comm=syz-executor.5