memcpy: detected field-spanning write (size 8192) of single field "st->data" at drivers/media/usb/dvb-usb/dtv5100.c:58 (size 80)
WARNING: CPU: 1 PID: 10356 at drivers/media/usb/dvb-usb/dtv5100.c:58 dtv5100_i2c_msg+0x2ac/0x330 drivers/media/usb/dvb-usb/dtv5100.c:58
Modules linked in:
CPU: 1 UID: 0 PID: 10356 Comm: syz.4.956 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:dtv5100_i2c_msg+0x2ac/0x330 drivers/media/usb/dvb-usb/dtv5100.c:58
Code: d1 e8 48 56 12 fa c6 05 29 5e b9 07 01 90 b9 50 00 00 00 48 c7 c7 00 25 31 8c 4c 89 e6 48 c7 c2 80 25 31 8c e8 25 72 d5 f9 90 <0f> 0b 90 90 e9 34 ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c e2 fe ff
RSP: 0018:ffffc90003e2fa60 EFLAGS: 00010246
RAX: a27b730bc89f7200 RBX: ffff8880539fc000 RCX: ffff8880298c8000
RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000003dac R08: 00000000000061fe R09: 0000000000400000
R10: 00000000000c3fc8 R11: fffffbfff1bba684 R12: 0000000000002000
R13: ffff888074ff7e80 R14: 00000000000000c8 R15: 0000000080000a80
FS: 00007fba6f0e46c0(0000) GS:ffff88812623b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f49c50cb1d4 CR3: 0000000058d8a000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<TASK>
dtv5100_i2c_xfer+0x269/0x3c0 drivers/media/usb/dvb-usb/dtv5100.c:81
__i2c_transfer+0x874/0x2170 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2317
i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306
i2cdev_ioctl+0x64b/0x7f0 drivers/i2c/i2c-dev.c:467
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fba6e18f749
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:00007fba6f0e4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fba6e3e5fa0 RCX: 00007fba6e18f749
RDX: 0000200000000240 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007fba6e213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fba6e3e6038 R14: 00007fba6e3e5fa0 R15: 00007ffed49a7698
</TASK>