[ OK ] Started Getty on tty4. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ 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 '10.128.10.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.179755][ T27] audit: type=1804 audit(1590048477.405:2): pid=7081 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor969" name="/root/bus/file0" dev="overlay" ino=15709 res=1 [ 70.180131][ T7081] ------------[ cut here ]------------ [ 70.207002][ T7081] WARNING: CPU: 1 PID: 7081 at fs/iomap/apply.c:51 iomap_apply+0xa0c/0xcb0 [ 70.216746][ T7081] Kernel panic - not syncing: panic_on_warn set ... [ 70.224240][ T7081] CPU: 1 PID: 7081 Comm: syz-executor969 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0 [ 70.235348][ T7081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.256219][ T7081] Call Trace: [ 70.260853][ T7081] dump_stack+0x188/0x20d [ 70.268705][ T7081] ? iomap_apply+0x960/0xcb0 [ 70.274740][ T7081] panic+0x2e3/0x75c [ 70.282551][ T7081] ? add_taint.cold+0x16/0x16 [ 70.289378][ T7081] ? printk+0xba/0xed [ 70.295928][ T7081] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 70.303367][ T7081] ? __warn.cold+0x14/0x35 [ 70.308956][ T7081] ? __warn+0xd5/0x1c8 [ 70.313629][ T7081] ? iomap_apply+0xa0c/0xcb0 [ 70.318698][ T7081] __warn.cold+0x2f/0x35 [ 70.323673][ T7081] ? iomap_apply+0xa0c/0xcb0 [ 70.329022][ T7081] report_bug+0x27b/0x2f0 [ 70.333923][ T7081] do_error_trap+0x12b/0x220 [ 70.339900][ T7081] ? iomap_apply+0xa0c/0xcb0 [ 70.346431][ T7081] do_invalid_op+0x32/0x40 [ 70.352087][ T7081] ? iomap_apply+0xa0c/0xcb0 [ 70.357119][ T7081] invalid_op+0x23/0x30 [ 70.361441][ T7081] RIP: 0010:iomap_apply+0xa0c/0xcb0 [ 70.366927][ T7081] Code: ff e9 0e fd ff ff e8 03 71 95 ff 0f 0b e9 07 f7 ff ff e8 f7 70 95 ff 0f 0b 49 c7 c4 fb ff ff ff e9 35 f9 ff ff e8 e4 70 95 ff <0f> 0b 49 c7 c4 fb ff ff ff e9 22 f9 ff ff e8 d1 70 95 ff 0f 0b e9 [ 70.387596][ T7081] RSP: 0018:ffffc90003ba7968 EFLAGS: 00010293 [ 70.393789][ T7081] RAX: ffff8880949fc580 RBX: ffffc90003ba79c8 RCX: ffffffff81ddbb74 [ 70.402693][ T7081] RDX: 0000000000000000 RSI: ffffffff81ddc3ac RDI: 0000000000000007 [ 70.411707][ T7081] RBP: 0000000000000000 R08: ffff8880949fc580 R09: ffffed1015ce710c [ 70.420105][ T7081] R10: ffff8880ae73885b R11: ffffed1015ce710b R12: 0000000000000000 [ 70.428334][ T7081] R13: ffff8880866a3538 R14: 0000000000000000 R15: ffffc90003ba7b50 [ 70.436787][ T7081] ? iomap_apply+0x1d4/0xcb0 [ 70.441583][ T7081] ? iomap_apply+0xa0c/0xcb0 [ 70.446889][ T7081] ? iomap_apply+0xa0c/0xcb0 [ 70.451900][ T7081] ? iomap_fiemap+0x2c0/0x2c0 [ 70.456945][ T7081] ? trace_event_raw_event_iomap_apply+0x430/0x430 [ 70.464910][ T7081] ? mark_lock+0x12b/0xf10 [ 70.469348][ T7081] ? __lock_acquire+0x2184/0x4c50 [ 70.474818][ T7081] iomap_fiemap+0x184/0x2c0 [ 70.479514][ T7081] ? iomap_fiemap+0x2c0/0x2c0 [ 70.484561][ T7081] ? iomap_to_fiemap+0x210/0x210 [ 70.489769][ T7081] ? tomoyo_path_number_perm+0x1ee/0x4d0 [ 70.495770][ T7081] _ext4_fiemap+0x178/0x4f0 [ 70.500398][ T7081] ? ext4_ext_precache+0x5f0/0x5f0 [ 70.505586][ T7081] ? lock_downgrade+0x840/0x840 [ 70.510483][ T7081] ovl_fiemap+0x13f/0x200 [ 70.514838][ T7081] do_vfs_ioctl+0x8d7/0x12d0 [ 70.521240][ T7081] ? ioctl_file_clone+0x180/0x180 [ 70.526287][ T7081] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.531918][ T7081] ksys_ioctl+0xa3/0x180 [ 70.536149][ T7081] __x64_sys_ioctl+0x6f/0xb0 [ 70.540727][ T7081] ? lockdep_hardirqs_on+0x463/0x620 [ 70.546633][ T7081] do_syscall_64+0xf6/0x7d0 [ 70.552137][ T7081] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 70.558115][ T7081] RIP: 0033:0x440369 [ 70.562002][ T7081] 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 [ 70.582701][ T7081] RSP: 002b:00007ffc9b40ab48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.600711][ T7081] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 [ 70.609127][ T7081] RDX: 0000000020000440 RSI: 00000000c020660b RDI: 0000000000000004 [ 70.617215][ T7081] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 70.625197][ T7081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401bf0 [ 70.633354][ T7081] R13: 0000000000401c80 R14: 0000000000000000 R15: 0000000000000000 [ 70.643309][ T7081] Kernel Offset: disabled [ 70.648413][ T7081] Rebooting in 86400 seconds..