EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. ------------[ cut here ]------------ kernel BUG at fs/ext4/extents_status.c:899! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3588 Comm: syz-executor258 Not tainted 5.17.0-rc4-syzkaller-00052-g359303076163 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ext4_es_cache_extent+0x56a/0x580 fs/ext4/extents_status.c:899 Code: 07 80 c1 03 38 c1 0f 8c 7e fe ff ff 4c 89 e7 e8 0c 78 a9 ff e9 71 fe ff ff e8 82 af 5c ff 0f 0b e8 4b cf f3 07 e8 76 af 5c ff <0f> 0b e8 6f af 5c ff 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 RSP: 0018:ffffc90001a7e9e0 EFLAGS: 00010293 RAX: ffffffff822909ea RBX: 00000000ffffffff RCX: ffff888022dc8000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 00000000000029ce RBP: ffffc90001a7eaf0 R08: ffffffff8229065f R09: fffffbfff1c00866 R10: fffffbfff1c00866 R11: 0000000000000000 R12: ffff88801b9c4678 R13: dffffc0000000000 R14: 00000000000029ce R15: ffffc90001a7ea40 FS: 000055555629e300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000001ecc3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_cache_extents fs/ext4/extents.c:518 [inline] ext4_find_extent+0x524/0xcc0 fs/ext4/extents.c:916 ext4_ext_map_blocks+0x218/0x6ef0 fs/ext4/extents.c:4098 ext4_map_blocks+0x2f7/0x1e30 fs/ext4/inode.c:563 ext4_getblk+0x19c/0x700 fs/ext4/inode.c:849 ext4_bread_batch+0x62/0x540 fs/ext4/inode.c:923 __ext4_find_entry+0x104a/0x1be0 fs/ext4/namei.c:1600 ext4_lookup_entry fs/ext4/namei.c:1701 [inline] ext4_lookup+0x3f0/0xb90 fs/ext4/namei.c:1769 __lookup_slow+0x27f/0x3d0 fs/namei.c:1707 lookup_slow fs/namei.c:1724 [inline] walk_component+0x516/0x790 fs/namei.c:2020 link_path_walk+0x675/0xde0 path_openat+0x25b/0x36a0 fs/namei.c:3605 do_filp_open+0x277/0x4f0 fs/namei.c:3636 do_sys_openat2+0x13b/0x500 fs/open.c:1214 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f2f520f4f19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdf4ecff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f520f4f19 RDX: 000000000000c880 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 00007f2f520b47b0 R08: 0000000800000015 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f520b4840 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_es_cache_extent+0x56a/0x580 fs/ext4/extents_status.c:899 Code: 07 80 c1 03 38 c1 0f 8c 7e fe ff ff 4c 89 e7 e8 0c 78 a9 ff e9 71 fe ff ff e8 82 af 5c ff 0f 0b e8 4b cf f3 07 e8 76 af 5c ff <0f> 0b e8 6f af 5c ff 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 RSP: 0018:ffffc90001a7e9e0 EFLAGS: 00010293 RAX: ffffffff822909ea RBX: 00000000ffffffff RCX: ffff888022dc8000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 00000000000029ce RBP: ffffc90001a7eaf0 R08: ffffffff8229065f R09: fffffbfff1c00866 R10: fffffbfff1c00866 R11: 0000000000000000 R12: ffff88801b9c4678 R13: dffffc0000000000 R14: 00000000000029ce R15: ffffc90001a7ea40 FS: 000055555629e300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005616fff34708 CR3: 000000001ecc3000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400