EXT4-fs (loop2): Remounting filesystem read-only
EXT4-fs error (device loop2) in ext4_reserve_inode_write:5808: Corrupt filesystem
EXT4-fs error (device loop2): ext4_dirty_inode:6012: inode #16: comm syz-executor.2: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3355!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 24076 Comm: syz-executor.2 Not tainted 5.15.109-syzkaller-00523-g2df021e7ff83 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2206
Code: c6 ff e9 b5 fb ff ff e8 ea e8 84 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 d6 e8 84 ff e9 51 f7 ff ff e8 cc e8 84 ff <0f> 0b e8 55 3d d0 02 e8 c0 e8 84 ff 0f 0b e8 b9 e8 84 ff 0f 0b e8
RSP: 0018:ffffc90000a16d00 EFLAGS: 00010283
RAX: ffffffff81eaf774 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90002e79000 RSI: 00000000000013e5 RDI: 00000000000013e6
RBP: ffffc90000a16e10 R08: ffffffff81eaeaab R09: ffffed102e6cb528
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022223a79
R13: 0000000000000001 R14: 1ffff92000142db0 R15: ffff88811111d3c8
FS:  00007f9222706700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001700 CR3: 00000001281c4000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_regular_allocator+0x247/0x3810 fs/ext4/mballoc.c:2658
 ext4_mb_new_blocks+0xe3c/0x43f0 fs/ext4/mballoc.c:5623
 ext4_ext_map_blocks+0x1a0d/0x7250 fs/ext4/extents.c:4287
 ext4_map_blocks+0xaa7/0x1e30 fs/ext4/inode.c:646
 ext4_alloc_file_blocks+0x3d5/0xcd0 fs/ext4/extents.c:4474
 ext4_fallocate+0xbe7/0x1f90 fs/ext4/extents.c:4763
 vfs_fallocate+0x492/0x570 fs/open.c:309
 do_vfs_ioctl+0x2238/0x2a80 fs/ioctl.c:853
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl+0x99/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f9223993389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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
RSP: 002b:00007f9222706168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9223ab2f80 RCX: 00007f9223993389
RDX: 0000000020000080 RSI: 0000000040305828 RDI: 0000000000000004
RBP: 00007f92239de493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7e9c9f7f R14: 00007f9222706300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 2bf220f6d7a79b6b ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2206
Code: c6 ff e9 b5 fb ff ff e8 ea e8 84 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 d6 e8 84 ff e9 51 f7 ff ff e8 cc e8 84 ff <0f> 0b e8 55 3d d0 02 e8 c0 e8 84 ff 0f 0b e8 b9 e8 84 ff 0f 0b e8
RSP: 0018:ffffc90000a16d00 EFLAGS: 00010283
RAX: ffffffff81eaf774 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90002e79000 RSI: 00000000000013e5 RDI: 00000000000013e6
RBP: ffffc90000a16e10 R08: ffffffff81eaeaab R09: ffffed102e6cb528
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022223a79
R13: 0000000000000001 R14: 1ffff92000142db0 R15: ffff88811111d3c8
FS:  00007f9222706700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020fe6008 CR3: 00000001281c4000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400