EXT4-fs error (device loop0): ext4_quota_enable:6398: inode #5: comm syz-executor237: casefold flag without casefold feature ------------[ cut here ]------------ kernel BUG at fs/ext4/extents_status.c:202! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 371 Comm: syz-executor237 Not tainted 5.10.136-syzkaller-00029-ga634d588813f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:ext4_es_end fs/ext4/extents_status.c:202 [inline] RIP: 0010:__es_tree_search fs/ext4/extents_status.c:220 [inline] RIP: 0010:ext4_es_cache_extent+0x54e/0x660 fs/ext4/extents_status.c:903 Code: cf ff e9 e3 fe ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 74 fe ff ff 4c 89 e7 e8 0c 3e cf ff e9 67 fe ff ff e8 12 36 95 ff <0f> 0b e8 bb ee ba 02 65 8b 1d 0c 64 2a 7e 89 d8 c1 e8 06 48 8d 3c RSP: 0018:ffffc90000b76e60 EFLAGS: 00010293 RAX: ffffffff81d7ad1e RBX: ffff88811a0b6d74 RCX: ffff8881067ae2c0 RDX: 0000000000000000 RSI: 000000002b754e16 RDI: 0000000000000000 RBP: ffffc90000b76f80 R08: ffffffff81d7aa8f R09: 0000000000000003 R10: fffff5200016edbd R11: 1ffff9200016edbc R12: ffff88811a0b6d74 R13: 0000000000000000 R14: 1ffff11023416dae R15: 000000002b754e16 FS: 0000555555e34300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff06eaddc4 CR3: 0000000105fd6000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_cache_extents fs/ext4/extents.c:517 [inline] ext4_find_extent+0x49d/0xd80 fs/ext4/extents.c:913 ext4_ext_map_blocks+0x219/0x3a30 fs/ext4/extents.c:4093 ext4_map_blocks+0x42a/0x1ee0 fs/ext4/inode.c:563 ext4_getblk+0x19c/0x660 fs/ext4/inode.c:849 ext4_bread+0x2f/0x1d0 fs/ext4/inode.c:901 ext4_quota_read+0x1bf/0x2c0 fs/ext4/super.c:6529 v2_read_header fs/quota/quota_v2.c:62 [inline] v2_check_quota_file+0xf7/0x3d0 fs/quota/quota_v2.c:81 dquot_load_quota_sb+0x67d/0xbe0 fs/quota/dquot.c:2395 dquot_load_quota_inode+0x3ab/0x670 fs/quota/dquot.c:2438 ext4_quota_enable fs/ext4/super.c:6407 [inline] ext4_enable_quotas+0x59a/0x960 fs/ext4/super.c:6433 ext4_orphan_cleanup+0x2ee/0xdb0 fs/ext4/super.c:3067 ext4_fill_super+0x8880/0x9150 fs/ext4/super.c:5092 mount_bdev+0x25f/0x370 fs/super.c:1419 ext4_mount+0x34/0x40 fs/ext4/super.c:6611 legacy_get_tree+0xf0/0x190 fs/fs_context.c:592 vfs_get_tree+0x88/0x290 fs/super.c:1549 do_new_mount+0x289/0xad0 fs/namespace.c:2899 path_mount+0x58d/0xce0 fs/namespace.c:3229 do_mount fs/namespace.c:3242 [inline] __do_sys_mount fs/namespace.c:3450 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:3427 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f9ff476e5ca Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe39decb68 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffe39decbc0 RCX: 00007f9ff476e5ca RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffe39decb80 RBP: 00007ffe39decb80 R08: 00007ffe39decbc0 R09: 0000000800000015 R10: 0000000000000081 R11: 0000000000000206 R12: 0000000000000004 R13: 0000000000000003 R14: 0000000000000003 R15: 000000000000041c Modules linked in: ---[ end trace 26ff9ef6fc97571d ]--- RIP: 0010:ext4_es_end fs/ext4/extents_status.c:202 [inline] RIP: 0010:__es_tree_search fs/ext4/extents_status.c:220 [inline] RIP: 0010:ext4_es_cache_extent+0x54e/0x660 fs/ext4/extents_status.c:903 Code: cf ff e9 e3 fe ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 74 fe ff ff 4c 89 e7 e8 0c 3e cf ff e9 67 fe ff ff e8 12 36 95 ff <0f> 0b e8 bb ee ba 02 65 8b 1d 0c 64 2a 7e 89 d8 c1 e8 06 48 8d 3c RSP: 0018:ffffc90000b76e60 EFLAGS: 00010293 RAX: ffffffff81d7ad1e RBX: ffff88811a0b6d74 RCX: ffff8881067ae2c0 RDX: 0000000000000000 RSI: 000000002b754e16 RDI: 0000000000000000 RBP: ffffc90000b76f80 R08: ffffffff81d7aa8f R09: 0000000000000003 R10: fffff5200016edbd R11: 1ffff9200016edbc R12: ffff88811a0b6d74 R13: 0000000000000000 R14: 1ffff11023416dae R15: 000000002b754e16 FS: 0000555555e34300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff06eaddc4 CR3: 0000000105fd6000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400