------------[ cut here ]------------ WARNING: CPU: 0 PID: 3706 at drivers/i2c/i2c-core-base.c:2178 __i2c_transfer+0xa14/0x17c0 drivers/i2c/i2c-core-base.c:2178 Modules linked in: CPU: 0 PID: 3706 Comm: syz-executor.5 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__i2c_transfer+0xa14/0x17c0 drivers/i2c/i2c-core-base.c:2178 Code: 0f 94 c7 31 ff 44 89 fe e8 b9 69 9b fb 45 84 ff 0f 84 26 fd ff ff e8 cb 65 9b fb e8 d5 18 24 fb e9 17 fd ff ff e8 bc 65 9b fb <0f> 0b 41 bc ea ff ff ff e9 9e fd ff ff e8 aa 65 9b fb 44 89 ee bf RSP: 0018:ffffc90004e87ce8 EFLAGS: 00010216 RAX: 0000000000001212 RBX: 0000000000000010 RCX: ffffc90005f8a000 RDX: 0000000000040000 RSI: ffffffff85dc2c74 RDI: 0000000000000003 RBP: ffff888149600b58 R08: 0000000000000000 R09: ffffffff8ff76b07 R10: ffffffff85dc2298 R11: 1ffffffff1ef26ac R12: 0000000000000010 R13: 0000000000000000 R14: ffff888149600b78 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f58bdb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007ffd28684e64 CR3: 00000000775fb000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: i2c_transfer+0x1e6/0x3e0 drivers/i2c/i2c-core-base.c:2269 i2cdev_ioctl_rdwr+0x583/0x6a0 drivers/i2c/i2c-dev.c:297 compat_i2cdev_ioctl+0x419/0x4f0 drivers/i2c/i2c-dev.c:561 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6ec3549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f58bd5bc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 RDX: 00000000200013c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi