------------[ cut here ]------------ kernel BUG at fs/ext4/extents_status.c:202! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 776 Comm: syz-executor.4 Not tainted 5.4.242-syzkaller-00020-g6d5c2c1877e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 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+0x4c0/0x640 fs/ext4/extents_status.c:888 Code: d0 ff e9 fe fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 78 fe ff ff 4c 89 f7 e8 ca e0 d0 ff e9 6b fe ff ff e8 a0 26 a1 ff <0f> 0b 4c 89 7c 24 18 65 8b 1d fa 2c 3f 7e 89 d8 c1 e8 06 48 8d 3c RSP: 0018:ffff8881d999ee00 EFLAGS: 00010283 RAX: ffffffff81c30420 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90006abe000 RSI: 0000000000005336 RDI: 0000000000005337 RBP: ffff8881d999ef08 R08: ffffffff81c3018e R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff1103d323a49 R13: dffffc0000000000 R14: ffff8881e991d24c R15: 0000000000000001 FS: 00007f1114f13700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb910081000 CR3: 000000019ab3c000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_cache_extents fs/ext4/extents.c:556 [inline] ext4_find_extent+0x4e1/0xda0 fs/ext4/extents.c:952 ext4_ext_map_blocks+0x289/0x7450 fs/ext4/extents.c:4330 ext4_map_blocks+0x3b1/0x1c40 fs/ext4/inode.c:584 ext4_getblk+0x112/0x540 fs/ext4/inode.c:995 ext4_bread+0x89/0x390 fs/ext4/inode.c:1045 ext4_quota_read+0x180/0x280 fs/ext4/super.c:6179 v2_read_header fs/quota/quota_v2.c:64 [inline] v2_check_quota_file+0xf7/0x490 fs/quota/quota_v2.c:83 dquot_load_quota_sb+0x6af/0xc00 fs/quota/dquot.c:2397 vfs_load_quota_inode+0x3cf/0x660 fs/quota/dquot.c:2440 ext4_quota_enable fs/ext4/super.c:6058 [inline] ext4_enable_quotas+0x5a8/0x940 fs/ext4/super.c:6084 ext4_fill_super+0x84d4/0x8d70 fs/ext4/super.c:4708 mount_bdev+0x22e/0x340 fs/super.c:1417 legacy_get_tree+0xdf/0x170 fs/fs_context.c:647 vfs_get_tree+0x85/0x260 fs/super.c:1547 do_new_mount+0x292/0x570 fs/namespace.c:2843 do_mount+0x688/0xe10 fs/namespace.c:3163 ksys_mount+0xc2/0xf0 fs/namespace.c:3372 __do_sys_mount fs/namespace.c:3386 [inline] __se_sys_mount fs/namespace.c:3383 [inline] __x64_sys_mount+0xb1/0xc0 fs/namespace.c:3383 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace cdbf1e9d9de499d8 ]--- 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+0x4c0/0x640 fs/ext4/extents_status.c:888 Code: d0 ff e9 fe fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 78 fe ff ff 4c 89 f7 e8 ca e0 d0 ff e9 6b fe ff ff e8 a0 26 a1 ff <0f> 0b 4c 89 7c 24 18 65 8b 1d fa 2c 3f 7e 89 d8 c1 e8 06 48 8d 3c RSP: 0018:ffff8881d999ee00 EFLAGS: 00010283 RAX: ffffffff81c30420 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90006abe000 RSI: 0000000000005336 RDI: 0000000000005337 RBP: ffff8881d999ef08 R08: ffffffff81c3018e R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff1103d323a49 R13: dffffc0000000000 R14: ffff8881e991d24c R15: 0000000000000001 FS: 00007f1114f13700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb910081000 CR3: 000000019ab3c000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400