EXT4-fs error (device loop6) in ext4_reserve_inode_write:5933: Out of memory
EXT4-fs error (device loop6): ext4_dirty_inode:6143: inode #18: comm syz.6.16: mark_inode_dirty error
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kernel BUG at fs/ext4/inline.c:300!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 498 Comm: syz.6.16 Not tainted 5.10.240-syzkaller-1008085-g1154f779f3f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_create_inline_data+0x40a/0x410 fs/ext4/inline.c:300
Code: ff ff e8 99 3d d0 ff e9 11 ff ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 2f ff ff ff e8 80 3d d0 ff e9 25 ff ff ff e8 96 4d 96 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 53 48 89 fb e8 7f 4d 96
RSP: 0018:ffffc900010272e0 EFLAGS: 00010293
RAX: ffffffff81cd52da RBX: ffff8881256df7b8 RCX: ffff888119250000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001027410 R08: 0000000000000000 R09: ffffed1024adbecf
R10: ffffed1024adbecf R11: 1ffff11024adbece R12: 0000000000000000
R13: 1ffff92000204e60 R14: 0000000000000000 R15: ffff8881256df7b8
FS:  00007f002ab246c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f002ab03d58 CR3: 00000001289a6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_prepare_inline_data+0x16c/0x1f0 fs/ext4/inline.c:410
 ext4_try_to_write_inline_data+0x30c/0x1140 fs/ext4/inline.c:700
 ext4_write_begin+0x219/0x1550 fs/ext4/inode.c:1192
 generic_perform_write+0x2be/0x510 mm/filemap.c:3509
 ext4_buffered_write_iter+0x4b8/0x640 fs/ext4/file.c:271
 ext4_file_write_iter+0x536/0x1980 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2066 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x725/0xd60 fs/read_write.c:605
 ksys_write+0x140/0x240 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+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f002b0b3969
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:00007f002ab24038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f002b2dafa0 RCX: 00007f002b0b3969
RDX: 0000000000000012 RSI: 0000200000000100 RDI: 0000000000000004
RBP: 00007f002b135ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f002b2dafa0 R15: 00007fffe95b83e8
Modules linked in:
---[ end trace 90dd6704ead68bad ]---
RIP: 0010:ext4_create_inline_data+0x40a/0x410 fs/ext4/inline.c:300
Code: ff ff e8 99 3d d0 ff e9 11 ff ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 2f ff ff ff e8 80 3d d0 ff e9 25 ff ff ff e8 96 4d 96 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 53 48 89 fb e8 7f 4d 96
RSP: 0018:ffffc900010272e0 EFLAGS: 00010293
RAX: ffffffff81cd52da RBX: ffff8881256df7b8 RCX: ffff888119250000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001027410 R08: 0000000000000000 R09: ffffed1024adbecf
R10: ffffed1024adbecf R11: 1ffff11024adbece R12: 0000000000000000
R13: 1ffff92000204e60 R14: 0000000000000000 R15: ffff8881256df7b8
FS:  00007f002ab246c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f002ab03d58 CR3: 00000001289a6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400