[ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty3. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.361229][ T8436] ------------[ cut here ]------------ [ 76.367081][ T8436] WARNING: CPU: 1 PID: 8436 at drivers/i2c/i2c-core-base.c:2078 __i2c_transfer+0xa87/0x17d0 [ 76.378422][ T8436] Modules linked in: [ 76.382358][ T8436] CPU: 0 PID: 8436 Comm: syz-executor031 Not tainted 5.13.0-rc1-syzkaller #0 [ 76.391666][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.402259][ T8436] RIP: 0010:__i2c_transfer+0xa87/0x17d0 [ 76.407954][ T8436] Code: 0f 94 c7 31 ff 44 89 fe e8 e6 0c b6 fb 45 84 ff 0f 84 b3 fc ff ff e8 28 06 b6 fb e8 a2 78 41 fb e9 a4 fc ff ff e8 19 06 b6 fb <0f> 0b 41 bc ea ff ff ff e9 2b fd ff ff e8 07 06 b6 fb 44 89 ee bf [ 76.427801][ T8436] RSP: 0018:ffffc900016dfce8 EFLAGS: 00010293 [ 76.434245][ T8436] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 76.442618][ T8436] RDX: ffff88802c220000 RSI: ffffffff85becd07 RDI: 0000000000000003 [ 76.450637][ T8436] RBP: ffff888026ac8b58 R08: 0000000000000000 R09: ffffffff9022496f [ 76.458726][ T8436] R10: ffffffff85bec2b8 R11: 1ffffffff1f3ceda R12: 0000000000000010 [ 76.466842][ T8436] R13: 0000000000000000 R14: ffff888026ac8b78 R15: 0000000000000000 [ 76.474950][ T8436] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000083292c0 [ 76.484092][ T8436] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 76.490733][ T8436] CR2: 00007fb52de416c0 CR3: 000000002a16e000 CR4: 00000000001506f0 [ 76.500167][ T8436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.508449][ T8436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.516568][ T8436] Call Trace: [ 76.519889][ T8436] i2c_transfer+0x1e6/0x3e0 [ 76.524527][ T8436] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 76.529612][ T8436] ? __kmalloc+0x36/0x330 [ 76.534150][ T8436] compat_i2cdev_ioctl+0x419/0x4f0 [ 76.539294][ T8436] ? __context_tracking_exit+0xb8/0xe0 [ 76.544897][ T8436] ? lock_downgrade+0x6e0/0x6e0 [ 76.549805][ T8436] ? i2cdev_ioctl+0x7a0/0x7a0 [ 76.554863][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.561424][ T8436] ? i2cdev_ioctl+0x7a0/0x7a0 [ 76.566240][ T8436] __do_compat_sys_ioctl+0x1c7/0x290 [ 76.571582][ T8436] __do_fast_syscall_32+0x67/0xe0 [ 76.576740][ T8436] do_fast_syscall_32+0x2f/0x70 [ 76.581704][ T8436] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 76.588179][ T8436] RIP: 0023:0xf7fc7549 [ 76.592269][ T8436] 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 [ 76.612006][ T8436] RSP: 002b:00000000fffdfa2c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 76.620647][ T8436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 [ 76.628964][ T8436] RDX: 00000000200014c0 RSI: 00000000fffdfa80 RDI: 00000000080e8000 [ 76.637071][ T8436] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.645161][ T8436] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 76.653235][ T8436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 76.661247][ T8436] Kernel panic - not syncing: panic_on_warn set ... [ 76.667922][ T8436] CPU: 0 PID: 8436 Comm: syz-executor031 Not tainted 5.13.0-rc1-syzkaller #0 [ 76.676712][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.686774][ T8436] Call Trace: [ 76.690048][ T8436] dump_stack+0x141/0x1d7 [ 76.694400][ T8436] panic+0x306/0x73d [ 76.698305][ T8436] ? __warn_printk+0xf3/0xf3 [ 76.702888][ T8436] ? __warn.cold+0x1a/0x44 [ 76.707396][ T8436] ? __i2c_transfer+0xa87/0x17d0 [ 76.712324][ T8436] __warn.cold+0x35/0x44 [ 76.716569][ T8436] ? __i2c_transfer+0xa87/0x17d0 [ 76.721509][ T8436] report_bug+0x1bd/0x210 [ 76.725867][ T8436] handle_bug+0x3c/0x60 [ 76.730024][ T8436] exc_invalid_op+0x14/0x40 [ 76.734529][ T8436] asm_exc_invalid_op+0x12/0x20 [ 76.739375][ T8436] RIP: 0010:__i2c_transfer+0xa87/0x17d0 [ 76.745098][ T8436] Code: 0f 94 c7 31 ff 44 89 fe e8 e6 0c b6 fb 45 84 ff 0f 84 b3 fc ff ff e8 28 06 b6 fb e8 a2 78 41 fb e9 a4 fc ff ff e8 19 06 b6 fb <0f> 0b 41 bc ea ff ff ff e9 2b fd ff ff e8 07 06 b6 fb 44 89 ee bf [ 76.764816][ T8436] RSP: 0018:ffffc900016dfce8 EFLAGS: 00010293 [ 76.770884][ T8436] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 76.778843][ T8436] RDX: ffff88802c220000 RSI: ffffffff85becd07 RDI: 0000000000000003 [ 76.786806][ T8436] RBP: ffff888026ac8b58 R08: 0000000000000000 R09: ffffffff9022496f [ 76.794785][ T8436] R10: ffffffff85bec2b8 R11: 1ffffffff1f3ceda R12: 0000000000000010 [ 76.802782][ T8436] R13: 0000000000000000 R14: ffff888026ac8b78 R15: 0000000000000000 [ 76.810745][ T8436] ? __i2c_transfer+0x38/0x17d0 [ 76.815601][ T8436] ? __i2c_transfer+0xa87/0x17d0 [ 76.820555][ T8436] ? __i2c_transfer+0xa87/0x17d0 [ 76.825524][ T8436] i2c_transfer+0x1e6/0x3e0 [ 76.830046][ T8436] i2cdev_ioctl_rdwr+0x583/0x6a0 [ 76.834973][ T8436] ? __kmalloc+0x36/0x330 [ 76.839295][ T8436] compat_i2cdev_ioctl+0x419/0x4f0 [ 76.844407][ T8436] ? __context_tracking_exit+0xb8/0xe0 [ 76.849859][ T8436] ? lock_downgrade+0x6e0/0x6e0 [ 76.854742][ T8436] ? i2cdev_ioctl+0x7a0/0x7a0 [ 76.859413][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.865648][ T8436] ? i2cdev_ioctl+0x7a0/0x7a0 [ 76.870344][ T8436] __do_compat_sys_ioctl+0x1c7/0x290 [ 76.875632][ T8436] __do_fast_syscall_32+0x67/0xe0 [ 76.880665][ T8436] do_fast_syscall_32+0x2f/0x70 [ 76.885525][ T8436] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 76.891865][ T8436] RIP: 0023:0xf7fc7549 [ 76.895932][ T8436] 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 [ 76.915549][ T8436] RSP: 002b:00000000fffdfa2c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 76.923992][ T8436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000707 [ 76.931995][ T8436] RDX: 00000000200014c0 RSI: 00000000fffdfa80 RDI: 00000000080e8000 [ 76.939986][ T8436] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.947968][ T8436] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 76.955943][ T8436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 76.964726][ T8436] Kernel Offset: disabled [ 76.969146][ T8436] Rebooting in 86400 seconds..