EXT4-fs error (device loop2) in ext4_reserve_inode_write:5866: Out of memory
EXT4-fs error (device loop2) in ext4_reserve_inode_write:5866: Out of memory
EXT4-fs error (device loop2): __ext4_get_inode_loc:4578: comm syz-executor.2: Invalid inode table block 8390883544060490606 in block_group 0
EXT4-fs error (device loop2) in ext4_reserve_inode_write:5866: Corrupt filesystem
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kernel BUG at fs/ext4/ext4.h:2849!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 11698 Comm: syz-executor.2 Not tainted 4.14.304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
task: ffff88809d980540 task.stack: ffff8880a2a18000
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2849 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0x10dd/0x16c0 fs/ext4/mballoc.c:1128
RSP: 0018:ffff8880a2a1f6c8 EFLAGS: 00010297
RAX: ffff88809d980540 RBX: ffff8880a2a1f7c8 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880af860700
RBP: 00000000fffff233 R08: 0000000000000001 R09: 0000000000000005
R10: 0000000000000000 R11: ffff88809d980540 R12: ffff8880a9a5c700
R13: ffff8880870ea6b0 R14: ffff8880af8606c0 R15: ffff8880a9a5cd80
FS:  00007f5e64995700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562acc65d8e0 CR3: 00000000a9461000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0x94b/0xdf0 fs/ext4/mballoc.c:4127
 ext4_truncate+0x634/0x1190 fs/ext4/inode.c:4509
 ext4_truncate_failed_write fs/ext4/truncate.h:16 [inline]
 ext4_write_begin+0x92a/0x12f0 fs/ext4/inode.c:1374
 ext4_da_write_begin+0x628/0xe70 fs/ext4/inode.c:3097
 generic_perform_write+0x1d5/0x430 mm/filemap.c:3055
 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
 ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1780 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x44c/0x630 fs/read_write.c:482
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f5e656230c9
RSP: 002b:00007f5e64995168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5e65742f80 RCX: 00007f5e656230c9
RDX: 000000000208e24b RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f5e6567eae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc49e3d53f R14: 00007f5e64995300 R15: 0000000000022000
Code: e8 e9 0a af ff e9 90 f8 ff ff e8 2f c5 97 ff e9 f5 f6 ff ff e8 25 c5 97 ff 48 89 ef e8 cd 0a af ff e9 3d fb ff ff e8 13 c5 97 ff <0f> 0b e8 0c c5 97 ff 8b 54 24 28 89 ee 4c 89 e7 e8 ce db ff ff 
RIP: ext4_get_group_info fs/ext4/ext4.h:2849 [inline] RSP: ffff8880a2a1f6c8
RIP: ext4_mb_load_buddy_gfp+0x10dd/0x16c0 fs/ext4/mballoc.c:1128 RSP: ffff8880a2a1f6c8
---[ end trace 19d587d556975e46 ]---