EXT4-fs (loop0): pa ffff88811b8cd888: logic 0, phys. 193, len 32
EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4362: group 0, 
free 13, pa_free 16
------------[ cut here ]------------
kernel BUG at fs/ext4/mballoc.c:4335!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 703 Comm: syz.0.94 Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_mb_release_inode_pa+0xce7/0xcf0 fs/ext4/mballoc.c:4335
Code: 07 80 c1 03 38 c1 0f 8c 5f fd ff ff 4c 89 ff e8 ff f2 c7 ff e9 52 fd ff ff e8 35 59 8a ff 0f 0b e8 ae bd cc 02 e8 29 59 8a ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 53 49 89 fe 49
RSP: 0018:ffffc90002eb6700 EFLAGS: 00010293
RAX: ffffffff81e053c7 RBX: 0000000000000060 RCX: ffff88811983a780
RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000
RBP: ffffc90002eb6850 R08: ffffffff81e0498c R09: 0000000000000003
R10: fffff520005d6cfc R11: dffffc0000000001 R12: ffff88811bb639d8
R13: 00000000000000ed R14: 0000000000911ef2 R15: dffffc0000000000
FS:  00007f2b671ea6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2b5ee09000 CR3: 000000010bb4e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_mb_discard_group_preallocations+0xbe3/0xe40 fs/ext4/mballoc.c:4481
 ext4_mb_discard_preallocations fs/ext4/mballoc.c:5047 [inline]
 ext4_mb_discard_preallocations_should_retry+0x1b7/0x8a0 fs/ext4/mballoc.c:5068
 ext4_mb_new_blocks+0x3347/0x43e0 fs/ext4/mballoc.c:5271
 ext4_alloc_branch fs/ext4/indirect.c:340 [inline]
 ext4_ind_map_blocks+0x11cf/0x2ab0 fs/ext4/indirect.c:633
 ext4_map_blocks+0xa0d/0x1d10 fs/ext4/inode.c:675
 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:816
 ext4_get_block+0x39/0x50 fs/ext4/inode.c:833
 ext4_block_write_begin+0x61e/0x13b0 fs/ext4/inode.c:1100
 ext4_write_begin+0x6fa/0x1730
 ext4_da_write_begin+0x49d/0xf60 fs/ext4/inode.c:3032
 generic_perform_write+0x2cd/0x570 mm/filemap.c:3509
 ext4_buffered_write_iter+0x482/0x610 fs/ext4/file.c:271
 ext4_file_write_iter+0x193/0x1c80 fs/ext4/file.c:685
 call_write_iter include/linux/fs.h:2021 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xb4c/0xe70 fs/read_write.c:605
 ksys_write+0x199/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2b67769719
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2b671ea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2b67920f80 RCX: 00007f2b67769719
RDX: 000000000208e24b RSI: 0000000020000240 RDI: 0000000000000006
RBP: 00007f2b677dc32e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2b67920f80 R15: 00007ffdf1fcc808
Modules linked in:
---[ end trace db0cda8d96a583df ]---
RIP: 0010:ext4_mb_release_inode_pa+0xce7/0xcf0 fs/ext4/mballoc.c:4335
Code: 07 80 c1 03 38 c1 0f 8c 5f fd ff ff 4c 89 ff e8 ff f2 c7 ff e9 52 fd ff ff e8 35 59 8a ff 0f 0b e8 ae bd cc 02 e8 29 59 8a ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 53 49 89 fe 49
RSP: 0018:ffffc90002eb6700 EFLAGS: 00010293
RAX: ffffffff81e053c7 RBX: 0000000000000060 RCX: ffff88811983a780
RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000
RBP: ffffc90002eb6850 R08: ffffffff81e0498c R09: 0000000000000003
R10: fffff520005d6cfc R11: dffffc0000000001 R12: ffff88811bb639d8
R13: 00000000000000ed R14: 0000000000911ef2 R15: dffffc0000000000
FS:  00007f2b671ea6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2b5ee09000 CR3: 000000010bb4e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400