[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.652025][ T6516] ------------[ cut here ]------------ [ 69.658235][ T6516] WARNING: CPU: 1 PID: 6516 at drivers/i2c/i2c-core-base.c:2178 __i2c_transfer+0xa14/0x17c0 [ 69.668889][ T6516] Modules linked in: [ 69.672979][ T6516] CPU: 1 PID: 6516 Comm: syz-executor214 Not tainted 5.16.0-rc4-syzkaller #0 [ 69.681875][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.692038][ T6516] RIP: 0010:__i2c_transfer+0xa14/0x17c0 [ 69.697683][ T6516] Code: 0f 94 c7 31 ff 44 89 fe e8 39 d9 9b fb 45 84 ff 0f 84 26 fd ff ff e8 4b d5 9b fb e8 95 6f 24 fb e9 17 fd ff ff e8 3c d5 9b fb <0f> 0b 41 bc ea ff ff ff e9 9e fd ff ff e8 2a d5 9b fb 44 89 ee bf [ 69.717480][ T6516] RSP: 0018:ffffc900029dfce8 EFLAGS: 00010293 [ 69.723616][ T6516] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 69.731587][ T6516] RDX: ffff88807929ba00 RSI: ffffffff85dbd5b4 RDI: 0000000000000003 [ 69.739681][ T6516] RBP: ffff888021b94b58 R08: 0000000000000000 R09: ffffffff8ff73acf [ 69.747744][ T6516] R10: ffffffff85dbcbd8 R11: 0000000000000000 R12: 0000000000000010 [ 69.755854][ T6516] R13: 0000000000000000 R14: ffff888021b94b78 R15: 0000000000000000 [ 69.763980][ T6516] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000576f92c0 [ 69.772927][ T6516] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 69.779869][ T6516] CR2: 00007fa70f9116c0 CR3: 000000007f540000 CR4: 00000000003506e0 [ 69.787973][ T6516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.796049][ T6516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.804178][ T6516] Call Trace: [ 69.807459][ T6516] [ 69.810385][ T6516] i2c_transfer+0x1e6/0x3e0 [ 69.814975][ T6516] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 69.819964][ T6516] ? __kmalloc+0x36/0x340 [ 69.824354][ T6516] compat_i2cdev_ioctl+0x419/0x4f0 [ 69.829482][ T6516] ? __context_tracking_exit+0xb8/0xe0 [ 69.835128][ T6516] ? lock_downgrade+0x6e0/0x6e0 [ 69.840001][ T6516] ? i2cdev_ioctl+0x7a0/0x7a0 [ 69.844763][ T6516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.851033][ T6516] ? i2cdev_ioctl+0x7a0/0x7a0 [ 69.856124][ T6516] __do_compat_sys_ioctl+0x1c7/0x290 [ 69.861431][ T6516] __do_fast_syscall_32+0x65/0xf0 [ 69.866536][ T6516] do_fast_syscall_32+0x2f/0x70 [ 69.871401][ T6516] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 69.877831][ T6516] RIP: 0023:0xf7f41549 [ 69.881904][ T6516] 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 [ 69.901679][ T6516] RSP: 002b:00000000ffd6affc EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 69.910317][ T6516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 [ 69.918448][ T6516] RDX: 0000000020000700 RSI: 00000000ffd6b050 RDI: 00000000f7fe8000 [ 69.926545][ T6516] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 69.934853][ T6516] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 69.942950][ T6516] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 69.951014][ T6516] [ 69.954121][ T6516] Kernel panic - not syncing: panic_on_warn set ... [ 69.960707][ T6516] CPU: 1 PID: 6516 Comm: syz-executor214 Not tainted 5.16.0-rc4-syzkaller #0 [ 69.969452][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.979503][ T6516] Call Trace: [ 69.982777][ T6516] [ 69.985715][ T6516] dump_stack_lvl+0xcd/0x134 [ 69.990300][ T6516] panic+0x2b0/0x6dd [ 69.994188][ T6516] ? __warn_printk+0xf3/0xf3 [ 69.998875][ T6516] ? __warn.cold+0x1a/0x44 [ 70.003334][ T6516] ? __i2c_transfer+0xa14/0x17c0 [ 70.008275][ T6516] __warn.cold+0x35/0x44 [ 70.012604][ T6516] ? __i2c_transfer+0xa14/0x17c0 [ 70.017541][ T6516] report_bug+0x1bd/0x210 [ 70.022298][ T6516] handle_bug+0x3c/0x60 [ 70.026442][ T6516] exc_invalid_op+0x14/0x40 [ 70.030941][ T6516] asm_exc_invalid_op+0x12/0x20 [ 70.035778][ T6516] RIP: 0010:__i2c_transfer+0xa14/0x17c0 [ 70.041320][ T6516] Code: 0f 94 c7 31 ff 44 89 fe e8 39 d9 9b fb 45 84 ff 0f 84 26 fd ff ff e8 4b d5 9b fb e8 95 6f 24 fb e9 17 fd ff ff e8 3c d5 9b fb <0f> 0b 41 bc ea ff ff ff e9 9e fd ff ff e8 2a d5 9b fb 44 89 ee bf [ 70.061007][ T6516] RSP: 0018:ffffc900029dfce8 EFLAGS: 00010293 [ 70.067067][ T6516] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 70.075112][ T6516] RDX: ffff88807929ba00 RSI: ffffffff85dbd5b4 RDI: 0000000000000003 [ 70.083069][ T6516] RBP: ffff888021b94b58 R08: 0000000000000000 R09: ffffffff8ff73acf [ 70.091024][ T6516] R10: ffffffff85dbcbd8 R11: 0000000000000000 R12: 0000000000000010 [ 70.099143][ T6516] R13: 0000000000000000 R14: ffff888021b94b78 R15: 0000000000000000 [ 70.107126][ T6516] ? __i2c_transfer+0x38/0x17c0 [ 70.111990][ T6516] ? __i2c_transfer+0xa14/0x17c0 [ 70.116918][ T6516] ? __i2c_transfer+0xa14/0x17c0 [ 70.121972][ T6516] i2c_transfer+0x1e6/0x3e0 [ 70.126478][ T6516] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 70.131415][ T6516] ? __kmalloc+0x36/0x340 [ 70.135744][ T6516] compat_i2cdev_ioctl+0x419/0x4f0 [ 70.140842][ T6516] ? __context_tracking_exit+0xb8/0xe0 [ 70.146287][ T6516] ? lock_downgrade+0x6e0/0x6e0 [ 70.151137][ T6516] ? i2cdev_ioctl+0x7a0/0x7a0 [ 70.155804][ T6516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.162057][ T6516] ? i2cdev_ioctl+0x7a0/0x7a0 [ 70.166758][ T6516] __do_compat_sys_ioctl+0x1c7/0x290 [ 70.172043][ T6516] __do_fast_syscall_32+0x65/0xf0 [ 70.177058][ T6516] do_fast_syscall_32+0x2f/0x70 [ 70.181899][ T6516] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 70.188303][ T6516] RIP: 0023:0xf7f41549 [ 70.192357][ T6516] 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 [ 70.211960][ T6516] RSP: 002b:00000000ffd6affc EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 70.220356][ T6516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 [ 70.228312][ T6516] RDX: 0000000020000700 RSI: 00000000ffd6b050 RDI: 00000000f7fe8000 [ 70.236355][ T6516] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.244310][ T6516] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 70.252278][ T6516] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 70.260258][ T6516] [ 70.263425][ T6516] Kernel Offset: disabled [ 70.267821][ T6516] Rebooting in 86400 seconds..