[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.462987][ T27] audit: type=1804 audit(1588264393.250:2): pid=7016 uid=0 auid=0 ses=5 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor030" name="/root/bus/file0" dev="overlay" ino=15709 res=1 [ 41.463207][ T7016] ------------[ cut here ]------------ [ 41.487064][ T7016] WARNING: CPU: 1 PID: 7016 at fs/iomap/apply.c:51 iomap_apply+0x406/0x460 [ 41.495664][ T7016] Kernel panic - not syncing: panic_on_warn set ... [ 41.502270][ T7016] CPU: 1 PID: 7016 Comm: syz-executor030 Not tainted 5.7.0-rc3-syzkaller #0 [ 41.510918][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.520977][ T7016] Call Trace: [ 41.524239][ T7016] dump_stack+0x1e9/0x30e [ 41.528543][ T7016] panic+0x264/0x7a0 [ 41.532530][ T7016] ? __warn+0x102/0x210 [ 41.536659][ T7016] ? iomap_apply+0x406/0x460 [ 41.541239][ T7016] __warn+0x209/0x210 [ 41.545220][ T7016] ? iomap_apply+0x406/0x460 [ 41.549797][ T7016] report_bug+0x1ac/0x2d0 [ 41.554103][ T7016] do_error_trap+0xca/0x1c0 [ 41.558581][ T7016] do_invalid_op+0x32/0x40 [ 41.562967][ T7016] ? iomap_apply+0x406/0x460 [ 41.567546][ T7016] invalid_op+0x23/0x30 [ 41.571678][ T7016] RIP: 0010:iomap_apply+0x406/0x460 [ 41.576892][ T7016] Code: 48 89 e8 48 81 c4 d0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ca a8 98 ff 0f 0b 48 c7 c5 fb ff ff ff eb c8 e8 ba a8 98 ff <0f> 0b 48 c7 c5 fb ff ff ff eb b8 48 8d 4c 24 50 80 e1 07 fe c1 38 [ 41.596596][ T7016] RSP: 0018:ffffc90001c9fb98 EFLAGS: 00010293 [ 41.602647][ T7016] RAX: ffffffff81dab8b6 RBX: 0000000000000000 RCX: ffff88808df123c0 [ 41.610692][ T7016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.618654][ T7016] RBP: 0000000000000000 R08: ffffffff81dab626 R09: ffffed1015d27074 [ 41.626614][ T7016] R10: ffffed1015d27074 R11: 0000000000000000 R12: 0000000000000004 [ 41.634573][ T7016] R13: 1ffff92000393f85 R14: ffffffff8866b8c0 R15: ffff8880876788b8 [ 41.642543][ T7016] ? iomap_apply+0x176/0x460 [ 41.647105][ T7016] ? iomap_apply+0x406/0x460 [ 41.651686][ T7016] ? iomap_apply+0x406/0x460 [ 41.656253][ T7016] iomap_fiemap+0x1b0/0x470 [ 41.660742][ T7016] ? iomap_fiemap+0x470/0x470 [ 41.665402][ T7016] _ext4_fiemap+0x4b2/0x590 [ 41.669896][ T7016] ovl_fiemap+0x154/0x190 [ 41.674199][ T7016] ? ovl_get_inode+0xb70/0xb70 [ 41.678940][ T7016] do_vfs_ioctl+0x14db/0x1910 [ 41.683647][ T7016] __se_sys_ioctl+0x81/0x160 [ 41.688213][ T7016] do_syscall_64+0xf3/0x1b0 [ 41.692687][ T7016] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 41.698551][ T7016] RIP: 0033:0x440369 [ 41.702449][ T7016] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.722199][ T7016] RSP: 002b:00007ffd5f62f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.730585][ T7016] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 [ 41.738666][ T7016] RDX: 00000000200003c0 RSI: 00000000c020660b RDI: 0000000000000004 [ 41.746623][ T7016] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 41.754676][ T7016] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401bf0 [ 41.762620][ T7016] R13: 0000000000401c80 R14: 0000000000000000 R15: 0000000000000000 [ 41.771827][ T7016] Kernel Offset: disabled [ 41.776188][ T7016] Rebooting in 86400 seconds..