[ 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 '10.128.0.84' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 36.143972] EXT4-fs (loop5): Quota format mount options ignored when QUOTA feature is enabled [ 36.153057] EXT4-fs (loop4): Quota format mount options ignored when QUOTA feature is enabled [ 36.157878] EXT4-fs (loop3): Quota format mount options ignored when QUOTA feature is enabled [ 36.179779] EXT4-fs (loop1): Quota format mount options ignored when QUOTA feature is enabled [ 36.195648] EXT4-fs (loop0): Quota format mount options ignored when QUOTA feature is enabled [ 36.196015] EXT4-fs (loop2): Quota format mount options ignored when QUOTA feature is enabled [ 36.209520] EXT4-fs (loop4): mounted filesystem without journal. Opts: quota,jqfmt=vfsv0,nouid32,,errors=continue [ 36.222043] EXT4-fs (loop5): mounted filesystem without journal. Opts: quota,jqfmt=vfsv0,nouid32,,errors=continue [ 36.242699] EXT4-fs (loop3): mounted filesystem without journal. Opts: quota,jqfmt=vfsv0,nouid32,,errors=continue [ 36.270651] EXT4-fs (loop1): mounted filesystem without journal. Opts: quota,jqfmt=vfsv0,nouid32,,errors=continue [ 36.281273] EXT4-fs (loop0): mounted filesystem without journal. Opts: quota,jqfmt=vfsv0,nouid32,,errors=continue [ 36.307007] EXT4-fs (loop2): mounted filesystem without journal. Opts: quota,jqfmt=vfsv0,nouid32,,errors=continue executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.300371] WARNING: CPU: 0 PID: 8234 at kernel/locking/lockdep.c:698 register_lock_class+0x77b/0x11c0 [ 37.309842] Kernel panic - not syncing: panic_on_warn set ... [ 37.309842] [ 37.317212] CPU: 0 PID: 8234 Comm: syz-executor351 Not tainted 4.19.211-syzkaller #0 [ 37.325092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 37.334439] Call Trace: [ 37.337026] dump_stack+0x1fc/0x2ef [ 37.340655] panic+0x26a/0x50e [ 37.343845] ? __warn_printk+0xf3/0xf3 [ 37.347732] ? register_lock_class+0x77b/0x11c0 [ 37.352398] ? __probe_kernel_read+0x130/0x1b0 [ 37.356976] ? __warn.cold+0x5/0x5a [ 37.360601] ? __warn+0xe4/0x200 [ 37.363968] ? register_lock_class+0x77b/0x11c0 [ 37.368633] __warn.cold+0x20/0x5a [ 37.372174] ? register_lock_class+0x77b/0x11c0 [ 37.376843] report_bug+0x262/0x2b0 [ 37.380465] do_error_trap+0x1d7/0x310 [ 37.384445] ? math_error+0x310/0x310 [ 37.388243] ? __save_stack_trace+0xaf/0x190 [ 37.392650] ? error_entry+0x72/0xd0 [ 37.396365] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.401397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.406227] invalid_op+0x14/0x20 [ 37.409685] RIP: 0010:register_lock_class+0x77b/0x11c0 [ 37.414952] Code: 8b 05 c9 63 ec 0b 85 c0 0f 85 17 ff ff ff 48 c7 c6 e0 1b 6a 88 48 c7 c7 40 19 6a 88 e8 c3 29 a8 06 0f 0b e9 fd fe ff ff 0f 0b <0f> 0b e9 b3 fa ff ff 48 8d 70 01 48 69 c0 50 01 00 00 48 89 35 ac [ 37.433848] RSP: 0018:ffff8880a1e57190 EFLAGS: 00010083 [ 37.439209] RAX: dffffc0000000000 RBX: ffff88808ac3fa28 RCX: 0000000000000000 [ 37.446484] RDX: 1ffff11011587f48 RSI: 0000000000000000 RDI: ffff88808ac3fa40 [ 37.453759] RBP: 0000000000000000 R08: 0000000000000000 R09: 1ffff110143cae3a [ 37.461036] R10: ffffffff8d243760 R11: 0000000000000000 R12: ffffffff8cdb7c60 [ 37.468309] R13: ffffffff8874b000 R14: 1ffff110143cae3a R15: 0000000000000000 [ 37.475599] ? lock_downgrade+0x720/0x720 [ 37.479751] ? lock_acquire+0x170/0x3c0 [ 37.483723] ? debug_check_no_obj_freed+0xb5/0x490 [ 37.488667] ? static_obj+0x50/0x50 [ 37.492297] ? trace_hardirqs_off+0x64/0x200 [ 37.496707] __lock_acquire+0x17d/0x3ff0 [ 37.500769] ? lock_downgrade+0x720/0x720 [ 37.504915] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.509500] ? v2_write_dquot+0x1db/0x250 [ 37.513648] ? mark_held_locks+0xf0/0xf0 [ 37.517711] ? __mutex_unlock_slowpath+0xea/0x610 [ 37.522553] ? v2_write_dquot+0x147/0x250 [ 37.526703] ? wait_for_completion_io+0x10/0x10 [ 37.531383] ? dquot_free_inode+0x3a2/0x5e0 [ 37.535706] ? dquot_commit+0x1b9/0x400 [ 37.539679] lock_acquire+0x170/0x3c0 [ 37.543478] ? ext4_xattr_inode_update_ref+0xfc/0x780 [ 37.548665] down_write+0x34/0x90 [ 37.552095] ? ext4_xattr_inode_update_ref+0xfc/0x780 [ 37.557266] ext4_xattr_inode_update_ref+0xfc/0x780 [ 37.562269] ? ext4_xattr_block_find+0x6c0/0x6c0 [ 37.567006] ? _ext4_show_options+0x1790/0x1a80 [ 37.571666] ? __bpf_trace_ext4_es_find_delayed_extent_range_exit+0xe0/0xe0 [ 37.579012] ? up_write+0x18/0x150 [ 37.582533] ext4_xattr_block_set+0x29c/0x2eb0 [ 37.587107] ? ext4_xattr_ibody_set+0x2a0/0x2a0 [ 37.591754] ? __getblk_gfp+0x48/0x70 [ 37.595529] ? ext4_sb_bread+0x109/0x270 [ 37.599565] ? xattr_find_entry+0x2aa/0x3b0 [ 37.603877] ? ext4_xattr_block_find+0x5c/0x6c0 [ 37.608530] ext4_xattr_set_handle+0xa1f/0x1030 [ 37.613184] ? ext4_xattr_ibody_inline_set+0x2a0/0x2a0 [ 37.618453] ? is_bpf_text_address+0xd5/0x1b0 [ 37.622945] ? ext4_journal_check_start+0x185/0x220 [ 37.627940] ? ext4_get_nojournal+0x53/0xb0 [ 37.632244] ? __ext4_journal_start_sb+0x12d/0x3f0 [ 37.637153] ext4_xattr_set+0x135/0x2a0 [ 37.641120] ? ext4_xattr_set_credits+0x200/0x200 [ 37.645962] ? __lock_acquire+0x6de/0x3ff0 [ 37.650192] ? mark_held_locks+0xf0/0xf0 [ 37.654278] ? xattr_resolve_name+0x26e/0x3d0 [ 37.658755] ? ext4_xattr_destroy_cache+0x30/0x30 [ 37.663573] __vfs_setxattr+0x10e/0x170 [ 37.667530] ? xattr_resolve_name+0x3d0/0x3d0 [ 37.672013] ? evm_protect_xattr.constprop.0+0x99/0x3d0 [ 37.677357] __vfs_setxattr_noperm+0x11a/0x420 [ 37.681922] __vfs_setxattr_locked+0x176/0x250 [ 37.686481] vfs_setxattr+0xe5/0x270 [ 37.690172] ? __vfs_setxattr_locked+0x250/0x250 [ 37.694917] ? __might_fault+0x192/0x1d0 [ 37.698954] setxattr+0x23d/0x330 [ 37.702396] ? vfs_setxattr+0x270/0x270 [ 37.706365] ? filename_lookup+0x3d5/0x5a0 [ 37.710584] ? __phys_addr_symbol+0x2c/0x70 [ 37.715141] ? __check_object_size+0x17b/0x3e0 [ 37.719719] ? check_preemption_disabled+0x41/0x280 [ 37.724722] ? preempt_count_add+0xaf/0x190 [ 37.729033] ? __mnt_want_write+0x22c/0x2c0 [ 37.733346] path_setxattr+0x170/0x190 [ 37.737223] ? __se_sys_fsetxattr+0x1b0/0x1b0 [ 37.741718] ? ret_from_fork+0x8/0x30 [ 37.745507] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.750852] __x64_sys_setxattr+0xc0/0x160 [ 37.755075] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.759632] do_syscall_64+0xf9/0x620 [ 37.763411] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.768586] RIP: 0033:0x7f5d2554e009 [ 37.772276] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.791160] RSP: 002b:00007f5d1d1192f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 37.798861] RAX: ffffffffffffffda RBX: 0000000000000031 RCX: 00007f5d2554e009 [ 37.806116] RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00000000200000c0 [ 37.813360] RBP: 00007f5d255d26d8 R08: 0000000000000000 R09: 0000000000000000 [ 37.820607] R10: 0000000000002000 R11: 0000000000000246 R12: 00007f5d255d26d0 [ 37.827861] R13: 0030656c69662f2e R14: 66763d746d66716a R15: 2f30656c69662f2e [ 37.835273] Kernel Offset: disabled [ 37.838880] Rebooting in 86400 seconds..