memcpy: detected field-spanning write (size 83) of single field "st->data" at drivers/media/usb/dvb-usb/dtv5100.c:58 (size 80)
WARNING: CPU: 1 PID: 5929 at drivers/media/usb/dvb-usb/dtv5100.c:58 dtv5100_i2c_msg+0x2a5/0x320 drivers/media/usb/dvb-usb/dtv5100.c:58
Modules linked in:
CPU: 1 PID: 5929 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:dtv5100_i2c_msg+0x2a5/0x320 drivers/media/usb/dvb-usb/dtv5100.c:58
Code: 20 eb d6 e8 9d 39 80 fa c6 05 07 73 2f 07 01 b9 50 00 00 00 48 c7 c7 e0 12 6b 8b 4c 89 e6 48 c7 c2 60 13 6b 8b e8 ab b5 4a fa <0f> 0b e9 3d ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c eb fe ff ff 4c
RSP: 0018:ffffc9000453faa0 EFLAGS: 00010246
RAX: c1d9da64e712ac00 RBX: ffff88807d6c4000 RCX: ffff88802a9c5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000202 R08: ffffffff90d945ff R09: 1ffffffff21b28bf
R10: dffffc0000000000 R11: fffffbfff21b28c0 R12: 0000000000000053
R13: ffff8880741d0500 R14: 00000000000000c7 R15: 0000000080000200
FS:  0000555593e5c500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffb28eac80 CR3: 00000000754a5000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 dtv5100_i2c_xfer+0x269/0x3b0 drivers/media/usb/dvb-usb/dtv5100.c:81
 __i2c_transfer+0x868/0x2080 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x250/0x390 drivers/i2c/i2c-core-base.c:2328
 i2cdev_ioctl_rdwr+0x3b0/0x690 drivers/i2c/i2c-dev.c:297
 i2cdev_ioctl+0x646/0x7e0 drivers/i2c/i2c-dev.c:458
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f496cd8f749
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd5c64a2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f496cfe5fa0 RCX: 00007f496cd8f749
RDX: 00002000000002c0 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f496ce13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f496cfe5fa0 R14: 00007f496cfe5fa0 R15: 0000000000000003
 </TASK>