[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.764255] EXT4-fs error (device loop0): ext4_orphan_get:1257: comm syz-executor089: bad orphan inode 17 [ 34.774885] ext4_test_bit(bit=16, block=4) = 0 [ 34.779777] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 34.790382] WARNING: CPU: 0 PID: 8094 at fs/ext4/xattr.c:1661 ext4_xattr_set_entry+0x2910/0x3690 [ 34.799508] Kernel panic - not syncing: panic_on_warn set ... [ 34.799508] [ 34.807029] CPU: 0 PID: 8094 Comm: syz-executor089 Not tainted 4.19.163-syzkaller #0 [ 34.815101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.824616] Call Trace: [ 34.827231] dump_stack+0x1fc/0x2fe [ 34.830887] panic+0x26a/0x50e [ 34.834102] ? __warn_printk+0xf3/0xf3 [ 34.838160] ? ext4_xattr_set_entry+0x2910/0x3690 [ 34.843006] ? __probe_kernel_read+0x130/0x1b0 [ 34.847934] ? __warn.cold+0x5/0x61 [ 34.851747] ? __warn+0xe4/0x200 [ 34.855117] ? ext4_xattr_set_entry+0x2910/0x3690 [ 34.860201] __warn.cold+0x20/0x61 [ 34.863750] ? ext4_xattr_set_entry+0x2910/0x3690 [ 34.868993] report_bug+0x262/0x2b0 [ 34.872959] do_error_trap+0x1d7/0x310 [ 34.877371] ? math_error+0x310/0x310 [ 34.881369] ? is_bpf_text_address+0xfc/0x1b0 [ 34.885893] ? kernel_text_address+0xbd/0xf0 [ 34.890315] ? __kernel_text_address+0x9/0x30 [ 34.894820] ? error_entry+0x72/0xd0 [ 34.898537] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.903945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.908792] invalid_op+0x14/0x20 [ 34.912247] RIP: 0010:ext4_xattr_set_entry+0x2910/0x3690 [ 34.917914] Code: e8 f5 1e 72 ff 48 8b 7c 24 20 e8 2b e9 ce ff 4c 8b b4 24 20 01 00 00 48 c7 44 24 18 00 00 00 00 e9 b2 db ff ff e8 d0 1e 72 ff <0f> 0b e9 fb e7 ff ff e8 c4 1e 72 ff 48 8b 7c 24 18 e8 5a 8c f0 ff [ 34.937220] RSP: 0018:ffff8880b2eb73a8 EFLAGS: 00010293 [ 34.942704] RAX: ffff888094c3c440 RBX: ffff8880b1621260 RCX: ffffffff81f29939 [ 34.950072] RDX: 0000000000000000 RSI: ffffffff81f2b140 RDI: 0000000000000007 [ 34.957340] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 34.964610] R10: 0000000000000007 R11: 00000000c946ea45 R12: 00000000000003dc [ 34.971875] R13: 0000000000000000 R14: 00000000ffffffc3 R15: 0000000000000001 [ 34.979158] ? ext4_xattr_set_entry+0x1109/0x3690 [ 34.984227] ? ext4_xattr_set_entry+0x2910/0x3690 [ 34.989075] ? ext4_xattr_set_entry+0x2910/0x3690 [ 34.994135] ? lock_downgrade+0x720/0x720 [ 34.998484] ? debug_check_no_obj_freed+0xb5/0x482 [ 35.003569] ? ext4_xattr_inode_get+0x680/0x680 [ 35.008517] ? check_preemption_disabled+0x41/0x280 [ 35.013657] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.018912] ? __kmalloc+0x38e/0x3c0 [ 35.022629] ? ext4_xattr_block_set+0xe19/0x2eb0 [ 35.027519] ext4_xattr_block_set+0xf44/0x2eb0 [ 35.032105] ? ext4_xattr_ibody_set+0x2a0/0x2a0 [ 35.037080] ? __getblk_gfp+0x48/0x70 [ 35.040893] ? ext4_xattr_ibody_find+0x253/0x540 [ 35.045648] ? ext4_xattr_block_find+0x5c/0x6c0 [ 35.050671] ext4_xattr_set_handle+0x9c1/0xfa0 [ 35.055538] ? ext4_xattr_ibody_inline_set+0x2a0/0x2a0 [ 35.061043] ? __save_stack_trace+0x72/0x190 [ 35.065466] ? ext4_journal_check_start+0x185/0x220 [ 35.070617] ? ext4_get_nojournal+0x53/0xb0 [ 35.075203] ? __ext4_journal_start_sb+0x12d/0x3f0 [ 35.080393] ext4_xattr_set+0x135/0x2a0 [ 35.084372] ? ext4_xattr_set_credits+0x200/0x200 [ 35.089309] ? check_preemption_disabled+0x41/0x280 [ 35.094506] ? mark_held_locks+0xf0/0xf0 [ 35.098653] ? xattr_resolve_name+0x26e/0x3d0 [ 35.103154] ? ext4_get_inode_usage.cold+0x19/0x19 [ 35.108267] __vfs_setxattr+0x10e/0x170 [ 35.112248] ? xattr_resolve_name+0x3d0/0x3d0 [ 35.116856] ? evm_protect_xattr.constprop.0+0x99/0x3d0 [ 35.122493] __vfs_setxattr_noperm+0x11a/0x420 [ 35.127087] __vfs_setxattr_locked+0x176/0x250 [ 35.131854] vfs_setxattr+0xe5/0x270 [ 35.135569] ? __vfs_setxattr_locked+0x250/0x250 [ 35.140338] ? strncpy_from_user+0x2a2/0x350 [ 35.144836] setxattr+0x23d/0x330 [ 35.148288] ? vfs_setxattr+0x270/0x270 [ 35.152262] ? filename_lookup+0x3d5/0x5a0 [ 35.156499] ? __phys_addr_symbol+0x2c/0x70 [ 35.160829] ? __check_object_size+0x17b/0x3d1 [ 35.165412] ? check_preemption_disabled+0x41/0x280 [ 35.170431] ? preempt_count_add+0xaf/0x190 [ 35.174842] ? __mnt_want_write+0x22c/0x2c0 [ 35.179166] path_setxattr+0x170/0x190 [ 35.183185] ? __se_sys_fsetxattr+0x1b0/0x1b0 [ 35.187680] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.193048] __x64_sys_lsetxattr+0xbd/0x150 [ 35.197375] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.202170] do_syscall_64+0xf9/0x620 [ 35.205975] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.211429] RIP: 0033:0x444629 [ 35.214688] Code: 8d d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 5b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 35.233764] RSP: 002b:00007ffc9dfc8d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 35.241909] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000444629 [ 35.249185] RDX: 0000000000000000 RSI: 00000000200009c0 RDI: 0000000020000980 [ 35.256672] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 35.264090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402210 [ 35.271373] R13: 00000000004022a0 R14: 0000000000000000 R15: 0000000000000000 [ 35.279644] Kernel Offset: disabled [ 35.283423] Rebooting in 86400 seconds..