EXT4-fs (loop0): mounting with "discard" option, but the device does not support discard EXT4-fs (loop0): mounted filesystem without journal. Opts: quota,data_err=abort,max_dir_size_kb=0x0000000000000005,abort,journal_ioprio=0x0000000000000000,journal_ioprio=0x0000000000000006,errors=remount-ro,block_validity,abort, EXT4-fs error (device loop0): __ext4_new_inode:921: comm syz-executor378: reserved inode found cleared - inode=1 EXT4-fs (loop0): Remounting filesystem read-only ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:989! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8128 Comm: syz-executor378 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:ext4_getblk+0x454/0x4f0 fs/ext4/inode.c:989 Code: 0b e8 e0 24 83 ff 4c 89 e7 e8 d8 d8 d0 ff e9 b0 fd ff ff e8 ce 24 83 ff 4c 89 e7 e8 26 d9 d0 ff e9 ef fe ff ff e8 bc 24 83 ff <0f> 0b e8 45 45 58 ff 48 89 34 24 e8 9c 01 b9 ff 48 8b 34 24 e9 bb RSP: 0018:ffff888091e37158 EFLAGS: 00010293 RAX: ffff88809509e600 RBX: 0000000000000005 RCX: ffffffff81df6031 RDX: 0000000000000000 RSI: ffffffff81df60b4 RDI: 0000000000000005 RBP: 1ffff110123c6e2d R08: 0000000000001400 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000021 R13: 0000000000000000 R14: ffff88808b0538f0 R15: 0000000000000001 FS: 00005555565a2300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f3d800290 CR3: 00000000a4793000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_bread+0x7c/0x210 fs/ext4/inode.c:1043 ext4_quota_write+0x205/0x530 fs/ext4/super.c:6008 write_blk+0x10a/0x200 fs/quota/quota_tree.c:72 free_dqentry fs/quota/quota_tree.c:458 [inline] remove_tree+0x927/0x1490 fs/quota/quota_tree.c:491 remove_tree+0x278/0x1490 fs/quota/quota_tree.c:494 remove_tree+0x278/0x1490 fs/quota/quota_tree.c:494 remove_tree+0x278/0x1490 fs/quota/quota_tree.c:494 qtree_delete_dquot fs/quota/quota_tree.c:527 [inline] qtree_release_dquot fs/quota/quota_tree.c:673 [inline] qtree_release_dquot+0x195/0x1d0 fs/quota/quota_tree.c:669 v2_release_dquot+0xce/0x120 fs/quota/quota_v2.c:375 dquot_release+0x1be/0x390 fs/quota/dquot.c:497 ext4_release_dquot+0x22f/0x290 fs/ext4/super.c:5682 dqput.part.0+0x1a3/0x830 fs/quota/dquot.c:794 dqput fs/quota/dquot.c:752 [inline] dqput_all fs/quota/dquot.c:391 [inline] __dquot_drop+0x19c/0x270 fs/quota/dquot.c:1568 dquot_drop fs/quota/dquot.c:1593 [inline] dquot_drop+0x14b/0x1a0 fs/quota/dquot.c:1571 ext4_clear_inode+0x31/0x1d0 fs/ext4/super.c:1178 ext4_evict_inode+0x25b/0x17b0 fs/ext4/inode.c:357 evict+0x2ed/0x760 fs/inode.c:559 dispose_list+0x124/0x1f0 fs/inode.c:594 evict_inodes+0x3ad/0x430 fs/inode.c:638 generic_shutdown_super+0xb3/0x370 fs/super.c:448 kill_block_super+0x97/0xf0 fs/super.c:1185 deactivate_locked_super+0x94/0x160 fs/super.c:329 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8f3d788c09 Code: Bad RIP value. RSP: 002b:00007ffe474b61d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f8f3d7ff3f0 RCX: 00007f8f3d788c09 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f8f3d7f9e40 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f3d7ff3f0 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 Modules linked in: ---[ end trace 3d3925d8eaa9b569 ]--- RIP: 0010:ext4_getblk+0x454/0x4f0 fs/ext4/inode.c:989 Code: 0b e8 e0 24 83 ff 4c 89 e7 e8 d8 d8 d0 ff e9 b0 fd ff ff e8 ce 24 83 ff 4c 89 e7 e8 26 d9 d0 ff e9 ef fe ff ff e8 bc 24 83 ff <0f> 0b e8 45 45 58 ff 48 89 34 24 e8 9c 01 b9 ff 48 8b 34 24 e9 bb RSP: 0018:ffff888091e37158 EFLAGS: 00010293 RAX: ffff88809509e600 RBX: 0000000000000005 RCX: ffffffff81df6031 RDX: 0000000000000000 RSI: ffffffff81df60b4 RDI: 0000000000000005 RBP: 1ffff110123c6e2d R08: 0000000000001400 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000021 R13: 0000000000000000 R14: ffff88808b0538f0 R15: 0000000000000001 FS: 00005555565a2300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005634325f58e0 CR3: 00000000a25bb000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400