Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.116' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.060262][ T8406] ------------[ cut here ]------------ [ 54.066484][ T8406] WARNING: CPU: 1 PID: 8406 at drivers/i2c/i2c-core-base.c:2021 __i2c_transfer+0xa87/0x17d0 [ 54.077140][ T8406] Modules linked in: [ 54.081252][ T8406] CPU: 0 PID: 8406 Comm: syz-executor613 Not tainted 5.12.0-rc2-syzkaller #0 [ 54.090621][ T8406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.101147][ T8406] RIP: 0010:__i2c_transfer+0xa87/0x17d0 [ 54.106760][ T8406] Code: 0f 94 c7 31 ff 44 89 fe e8 96 ba c2 fb 45 84 ff 0f 84 b3 fc ff ff e8 d8 b3 c2 fb e8 b2 5a 4f fb e9 a4 fc ff ff e8 c9 b3 c2 fb <0f> 0b 41 bc ea ff ff ff e9 2b fd ff ff e8 b7 b3 c2 fb 44 89 ee bf [ 54.126517][ T8406] RSP: 0018:ffffc900018cfd48 EFLAGS: 00010293 [ 54.132612][ T8406] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 54.140650][ T8406] RDX: ffff88801e4e5340 RSI: ffffffff85b0ea97 RDI: 0000000000000003 [ 54.148728][ T8406] RBP: ffff888020870b58 R08: 0000000000000000 R09: ffffffff8faa792f [ 54.157284][ T8406] R10: ffffffff85b0e048 R11: 1ffffffff1ed6964 R12: 0000000000000010 [ 54.165830][ T8406] R13: 0000000000000000 R14: ffff888020870b78 R15: 0000000000000000 [ 54.173862][ T8406] FS: 000000000226f300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 54.182794][ T8406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.189411][ T8406] CR2: 00007fcccc5096c0 CR3: 0000000012e13000 CR4: 0000000000350ef0 [ 54.197457][ T8406] Call Trace: [ 54.200740][ T8406] i2c_transfer+0x1e6/0x3e0 [ 54.205287][ T8406] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 54.210236][ T8406] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 54.216523][ T8406] i2cdev_ioctl+0x46c/0x780 [ 54.221033][ T8406] ? i2cdev_ioctl_rdwr+0x6a0/0x6a0 [ 54.226205][ T8406] ? __x64_sys_openat+0x13f/0x1f0 [ 54.231236][ T8406] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 54.237692][ T8406] ? i2cdev_ioctl_rdwr+0x6a0/0x6a0 [ 54.242807][ T8406] __x64_sys_ioctl+0x193/0x200 [ 54.247717][ T8406] do_syscall_64+0x2d/0x70 [ 54.252161][ T8406] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.258121][ T8406] RIP: 0033:0x443469 [ 54.262017][ T8406] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 54.282921][ T8406] RSP: 002b:00007fffb0c53048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.303727][ T8406] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000443469 [ 54.311715][ T8406] RDX: 0000000020004480 RSI: 0000000000000707 RDI: 0000000000000003 [ 54.319775][ T8406] RBP: 0000000000403010 R08: 00232d6332692f76 R09: 00000000004004a0 [ 54.327794][ T8406] R10: 000000000000001f R11: 0000000000000246 R12: 00000000004030a0 [ 54.335985][ T8406] R13: 0000000000000000 R14: 00000000004b1018 R15: 00000000004004a0 [ 54.344114][ T8406] Kernel panic - not syncing: panic_on_warn set ... [ 54.350687][ T8406] CPU: 0 PID: 8406 Comm: syz-executor613 Not tainted 5.12.0-rc2-syzkaller #0 [ 54.359530][ T8406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.369570][ T8406] Call Trace: [ 54.372852][ T8406] dump_stack+0x141/0x1d7 [ 54.377280][ T8406] panic+0x306/0x73d [ 54.381163][ T8406] ? __warn_printk+0xf3/0xf3 [ 54.385742][ T8406] ? __warn.cold+0x1a/0x44 [ 54.390344][ T8406] ? __i2c_transfer+0xa87/0x17d0 [ 54.395266][ T8406] __warn.cold+0x35/0x44 [ 54.399491][ T8406] ? __i2c_transfer+0xa87/0x17d0 [ 54.404413][ T8406] report_bug+0x1bd/0x210 [ 54.408908][ T8406] handle_bug+0x3c/0x60 [ 54.413046][ T8406] exc_invalid_op+0x14/0x40 [ 54.417707][ T8406] asm_exc_invalid_op+0x12/0x20 [ 54.422631][ T8406] RIP: 0010:__i2c_transfer+0xa87/0x17d0 [ 54.428445][ T8406] Code: 0f 94 c7 31 ff 44 89 fe e8 96 ba c2 fb 45 84 ff 0f 84 b3 fc ff ff e8 d8 b3 c2 fb e8 b2 5a 4f fb e9 a4 fc ff ff e8 c9 b3 c2 fb <0f> 0b 41 bc ea ff ff ff e9 2b fd ff ff e8 b7 b3 c2 fb 44 89 ee bf [ 54.448231][ T8406] RSP: 0018:ffffc900018cfd48 EFLAGS: 00010293 [ 54.454281][ T8406] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 54.462235][ T8406] RDX: ffff88801e4e5340 RSI: ffffffff85b0ea97 RDI: 0000000000000003 [ 54.470203][ T8406] RBP: ffff888020870b58 R08: 0000000000000000 R09: ffffffff8faa792f [ 54.478157][ T8406] R10: ffffffff85b0e048 R11: 1ffffffff1ed6964 R12: 0000000000000010 [ 54.486129][ T8406] R13: 0000000000000000 R14: ffff888020870b78 R15: 0000000000000000 [ 54.494089][ T8406] ? __i2c_transfer+0x38/0x17d0 [ 54.498930][ T8406] ? __i2c_transfer+0xa87/0x17d0 [ 54.503852][ T8406] ? __i2c_transfer+0xa87/0x17d0 [ 54.508778][ T8406] i2c_transfer+0x1e6/0x3e0 [ 54.513264][ T8406] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 54.518188][ T8406] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 54.524508][ T8406] i2cdev_ioctl+0x46c/0x780 [ 54.528999][ T8406] ? i2cdev_ioctl_rdwr+0x6a0/0x6a0 [ 54.534093][ T8406] ? __x64_sys_openat+0x13f/0x1f0 [ 54.539117][ T8406] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 54.545345][ T8406] ? i2cdev_ioctl_rdwr+0x6a0/0x6a0 [ 54.550440][ T8406] __x64_sys_ioctl+0x193/0x200 [ 54.555191][ T8406] do_syscall_64+0x2d/0x70 [ 54.559593][ T8406] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.565471][ T8406] RIP: 0033:0x443469 [ 54.569349][ T8406] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 54.588954][ T8406] RSP: 002b:00007fffb0c53048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.597349][ T8406] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000443469 [ 54.605578][ T8406] RDX: 0000000020004480 RSI: 0000000000000707 RDI: 0000000000000003 [ 54.613530][ T8406] RBP: 0000000000403010 R08: 00232d6332692f76 R09: 00000000004004a0 [ 54.621483][ T8406] R10: 000000000000001f R11: 0000000000000246 R12: 00000000004030a0 [ 54.629436][ T8406] R13: 0000000000000000 R14: 00000000004b1018 R15: 00000000004004a0 [ 54.641346][ T8406] Kernel Offset: disabled [ 54.645734][ T8406] Rebooting in 86400 seconds..