loop3: detected capacity change from 0 to 264192
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8413 at lib/iov_iter.c:629 _copy_from_iter+0x2f1/0x1130
Modules linked in:
CPU: 1 PID: 8413 Comm: syz-executor.7 Not tainted 6.1.0-rc7-next-20221130 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1130
Code: 37 ff 44 89 f3 e9 2f ff ff ff e8 4a 2f 37 ff be 79 02 00 00 48 c7 c7 80 b9 9e 84 e8 29 97 5a ff e9 13 fe ff ff e8 2f 2f 37 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 20 2f 37 ff 31 ff 89 ee e8 e7 2a
RSP: 0018:ffff8880450975e8 EFLAGS: 00010212
RAX: 00000000000045d4 RBX: 0000000000000000 RCX: ffffc90007a04000
RDX: 0000000000040000 RSI: ffffffff8211e9c1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffffea0001162800 R14: 0000000000001000 R15: ffff888045097818
FS: 00007f5c2d219700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f43a6a19400 CR3: 000000003ff52000 CR4: 0000000000350ee0
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+0x706/0xb20
sg_write+0x88/0xe0
vfs_write+0x358/0xe40
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f5c2fca3b19
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:00007f5c2d219188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5c2fdb6f60 RCX: 00007f5c2fca3b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000004
RBP: 00007f5c2fcfdf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc564adb3f R14: 00007f5c2d219300 R15: 0000000000022000
irq event stamp: 6813
hardirqs last enabled at (6853): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (6896): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (1750): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (1553): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1669808597.433:18): avc: denied { read } for pid=8412 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
Bluetooth: hci0: Opcode 0x c03 failed: -4
Bluetooth: hci0: Opcode 0x c03 failed: -4
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
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
Bluetooth: hci0: Opcode 0x c03 failed: -4
loop4: 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.0 not setting count and/or reply_len properly
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
EXT4-fs (sda): re-mounted. Quota mode: none.
EXT4-fs (sda): re-mounted. Quota mode: none.
kworker/u4:4: attempt to access beyond end of device
loop4: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 31, lost async page write
loop5: detected capacity change from 0 to 40
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
loop4: detected capacity change from 0 to 40
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
loop6: detected capacity change from 0 to 40
loop5: detected capacity change from 0 to 40
Bluetooth: hci0: Opcode 0x c03 failed: -4
netlink: 'syz-executor.6': attribute type 1 has an invalid length.
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
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
kworker/u4:5: attempt to access beyond end of device
loop6: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 31, lost async page write
loop4: detected capacity change from 0 to 40
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
kworker/u4:6: attempt to access beyond end of device
loop5: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop5, logical block 31, lost async page write
loop5: detected capacity change from 0 to 40
loop6: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
netlink: 'syz-executor.6': attribute type 1 has an invalid length.
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
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 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 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
Bluetooth: hci0: Opcode 0x c03 failed: -4
loop6: detected capacity change from 0 to 40
netlink: 'syz-executor.6': attribute type 1 has an invalid length.
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 32 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
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
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
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
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
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
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
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
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
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.