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BUG: KMSAN: uninit-value in i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:482 [inline]
BUG: KMSAN: uninit-value in __i2c_smbus_xfer+0x23e7/0x2f60 drivers/i2c/i2c-core-smbus.c:608
 i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:482 [inline]
 __i2c_smbus_xfer+0x23e7/0x2f60 drivers/i2c/i2c-core-smbus.c:608
 i2c_smbus_xfer+0x31d/0x4d0 drivers/i2c/i2c-core-smbus.c:546
 i2cdev_ioctl_smbus+0x4a1/0x660 drivers/i2c/i2c-dev.c:389
 i2cdev_ioctl+0xa14/0xf40 drivers/i2c/i2c-dev.c:478
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0x23c/0x400 fs/ioctl.c:584
 __x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:584
 x64_sys_call+0x1cbc/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable msgbuf0.i created at:
 i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:334 [inline]
 __i2c_smbus_xfer+0x84e/0x2f60 drivers/i2c/i2c-core-smbus.c:608
 i2c_smbus_xfer+0x31d/0x4d0 drivers/i2c/i2c-core-smbus.c:546

CPU: 1 UID: 0 PID: 6798 Comm: syz.0.22 Not tainted 6.16.0-syzkaller-g186f3edfdd41 #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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