[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 71.825402][ T6550] ------------[ cut here ]------------ [ 71.832179][ T6550] WARNING: CPU: 1 PID: 6550 at drivers/i2c/i2c-core-base.c:2177 __i2c_transfer+0xa14/0x17c0 [ 71.843453][ T6550] Modules linked in: [ 71.847503][ T6550] CPU: 0 PID: 6550 Comm: syz-executor036 Not tainted 5.15.0-rc6-syzkaller #0 [ 71.856518][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.866762][ T6550] RIP: 0010:__i2c_transfer+0xa14/0x17c0 [ 71.872426][ T6550] Code: 0f 94 c7 31 ff 44 89 fe e8 39 03 a6 fb 45 84 ff 0f 84 26 fd ff ff e8 eb fc a5 fb e8 15 55 2f fb e9 17 fd ff ff e8 dc fc a5 fb <0f> 0b 41 bc ea ff ff ff e9 9e fd ff ff e8 ca fc a5 fb 44 89 ee bf [ 71.892122][ T6550] RSP: 0018:ffffc90002c5fce8 EFLAGS: 00010293 [ 71.898201][ T6550] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 71.906660][ T6550] RDX: ffff88801d13b900 RSI: ffffffff85d0f034 RDI: 0000000000000003 [ 71.914875][ T6550] RBP: ffff888147ce0b58 R08: 0000000000000000 R09: ffffffff8fcffaaf [ 71.922932][ T6550] R10: ffffffff85d0e658 R11: 0000000000000000 R12: 0000000000000010 [ 71.931001][ T6550] R13: 0000000000000000 R14: ffff888147ce0b78 R15: 0000000000000000 [ 71.938999][ T6550] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000057e6c2c0 [ 71.948012][ T6550] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 71.954700][ T6550] CR2: 00007ffcd370e198 CR3: 000000001aac3000 CR4: 00000000003506f0 [ 71.962908][ T6550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.971018][ T6550] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.979100][ T6550] Call Trace: [ 71.982521][ T6550] i2c_transfer+0x1e6/0x3e0 [ 71.987050][ T6550] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 71.992085][ T6550] ? __kmalloc+0x36/0x320 [ 71.996458][ T6550] compat_i2cdev_ioctl+0x419/0x4f0 [ 72.001630][ T6550] ? __context_tracking_exit+0xb8/0xe0 [ 72.007113][ T6550] ? lock_downgrade+0x6e0/0x6e0 [ 72.012376][ T6550] ? i2cdev_ioctl+0x7a0/0x7a0 [ 72.017098][ T6550] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.023465][ T6550] ? i2cdev_ioctl+0x7a0/0x7a0 [ 72.028192][ T6550] __do_compat_sys_ioctl+0x1c7/0x290 [ 72.033658][ T6550] __do_fast_syscall_32+0x65/0xf0 [ 72.038687][ T6550] do_fast_syscall_32+0x2f/0x70 [ 72.043630][ T6550] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 72.050194][ T6550] RIP: 0023:0xf7f34549 [ 72.054270][ T6550] 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 [ 72.073949][ T6550] RSP: 002b:00000000ff81942c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 72.082592][ T6550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 [ 72.090660][ T6550] RDX: 00000000200003c0 RSI: 00000000ff819480 RDI: 00000000f7fdb000 [ 72.098720][ T6550] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.106767][ T6550] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.114836][ T6550] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.122937][ T6550] Kernel panic - not syncing: panic_on_warn set ... [ 72.129514][ T6550] CPU: 0 PID: 6550 Comm: syz-executor036 Not tainted 5.15.0-rc6-syzkaller #0 [ 72.138262][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.148398][ T6550] Call Trace: [ 72.151672][ T6550] dump_stack_lvl+0xcd/0x134 [ 72.156264][ T6550] panic+0x2b0/0x6dd [ 72.160155][ T6550] ? __warn_printk+0xf3/0xf3 [ 72.164749][ T6550] ? __warn.cold+0x1a/0x44 [ 72.169176][ T6550] ? __i2c_transfer+0xa14/0x17c0 [ 72.174112][ T6550] __warn.cold+0x35/0x44 [ 72.178360][ T6550] ? __i2c_transfer+0xa14/0x17c0 [ 72.183310][ T6550] report_bug+0x1bd/0x210 [ 72.187641][ T6550] handle_bug+0x3c/0x60 [ 72.191791][ T6550] exc_invalid_op+0x14/0x40 [ 72.196294][ T6550] asm_exc_invalid_op+0x12/0x20 [ 72.201318][ T6550] RIP: 0010:__i2c_transfer+0xa14/0x17c0 [ 72.206867][ T6550] Code: 0f 94 c7 31 ff 44 89 fe e8 39 03 a6 fb 45 84 ff 0f 84 26 fd ff ff e8 eb fc a5 fb e8 15 55 2f fb e9 17 fd ff ff e8 dc fc a5 fb <0f> 0b 41 bc ea ff ff ff e9 9e fd ff ff e8 ca fc a5 fb 44 89 ee bf [ 72.226467][ T6550] RSP: 0018:ffffc90002c5fce8 EFLAGS: 00010293 [ 72.232525][ T6550] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 72.240488][ T6550] RDX: ffff88801d13b900 RSI: ffffffff85d0f034 RDI: 0000000000000003 [ 72.248453][ T6550] RBP: ffff888147ce0b58 R08: 0000000000000000 R09: ffffffff8fcffaaf [ 72.256416][ T6550] R10: ffffffff85d0e658 R11: 0000000000000000 R12: 0000000000000010 [ 72.264378][ T6550] R13: 0000000000000000 R14: ffff888147ce0b78 R15: 0000000000000000 [ 72.272352][ T6550] ? __i2c_transfer+0x38/0x17c0 [ 72.277209][ T6550] ? __i2c_transfer+0xa14/0x17c0 [ 72.282170][ T6550] ? __i2c_transfer+0xa14/0x17c0 [ 72.287125][ T6550] i2c_transfer+0x1e6/0x3e0 [ 72.291628][ T6550] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 72.296734][ T6550] ? __kmalloc+0x36/0x320 [ 72.301064][ T6550] compat_i2cdev_ioctl+0x419/0x4f0 [ 72.306179][ T6550] ? __context_tracking_exit+0xb8/0xe0 [ 72.311636][ T6550] ? lock_downgrade+0x6e0/0x6e0 [ 72.316501][ T6550] ? i2cdev_ioctl+0x7a0/0x7a0 [ 72.321176][ T6550] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.327417][ T6550] ? i2cdev_ioctl+0x7a0/0x7a0 [ 72.332099][ T6550] __do_compat_sys_ioctl+0x1c7/0x290 [ 72.337502][ T6550] __do_fast_syscall_32+0x65/0xf0 [ 72.342522][ T6550] do_fast_syscall_32+0x2f/0x70 [ 72.347366][ T6550] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 72.353699][ T6550] RIP: 0023:0xf7f34549 [ 72.357759][ T6550] 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 [ 72.377359][ T6550] RSP: 002b:00000000ff81942c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 72.385763][ T6550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 [ 72.393722][ T6550] RDX: 00000000200003c0 RSI: 00000000ff819480 RDI: 00000000f7fdb000 [ 72.401681][ T6550] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.409672][ T6550] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.417729][ T6550] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.425908][ T6550] Kernel Offset: disabled [ 72.430306][ T6550] Rebooting in 86400 seconds..