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kernel BUG at fs/ext4/ext4.h:2870!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
EXT4-fs error (device sda1) in ext4_reserve_inode_write:5947: Out of memory
CPU: 0 PID: 8085 Comm: syz-executor049 Not tainted 4.19.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2870 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0x1460/0x1a90 fs/ext4/mballoc.c:1116
Code: 16 04 9f ff e9 b9 f6 ff ff e8 dc ee 7f ff e9 b4 f4 ff ff e8 d2 ee 7f ff 48 89 ef e8 fa 03 9f ff e9 51 fa ff ff e8 c0 ee 7f ff <0f> 0b e8 b9 ee 7f ff 8b 54 24 1c 44 89 e6 48 89 ef e8 da d4 ff ff
RSP: 0018:ffff8880b141f828 EFLAGS: 00010293
RAX: ffff8880b27f04c0 RBX: ffff8880b141f968 RCX: ffffffff81e25c63
RDX: 0000000000000000 RSI: ffffffff81e26fb0 RDI: 0000000000000004
RBP: ffff8880a38d84c0 R08: 0000000000000000 R09: 00000000fffec510
R10: 0000000000000004 R11: 0000000000074071 R12: 00000000fffec510
R13: ffff8880a38da500 R14: ffff8880a38d8b40 R15: 0000000000000010
FS:  00007fde3d611700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000210009bf CR3: 00000000aa97b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0xaf4/0xfb0 fs/ext4/mballoc.c:4089
 ext4_release_file+0x2b8/0x340 fs/ext4/file.c:98
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbf3/0x2be0 kernel/exit.c:870
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4454e9
Code: Bad RIP value.
RSP: 002b:00007fde3d6112f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000004cc500 RCX: 00000000004454e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cc508
RBP: 000000000049c1bc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 2f30656c69662f2e R14: 6465646165726874 R15: 00000000004cc508
Modules linked in:
---[ end trace 068266615db78fe4 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2870 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0x1460/0x1a90 fs/ext4/mballoc.c:1116
Code: 16 04 9f ff e9 b9 f6 ff ff e8 dc ee 7f ff e9 b4 f4 ff ff e8 d2 ee 7f ff 48 89 ef e8 fa 03 9f ff e9 51 fa ff ff e8 c0 ee 7f ff <0f> 0b e8 b9 ee 7f ff 8b 54 24 1c 44 89 e6 48 89 ef e8 da d4 ff ff
EXT4-fs error (device sda1) in ext4_reserve_inode_write:5947: Out of memory
RSP: 0018:ffff8880b141f828 EFLAGS: 00010293
RAX: ffff8880b27f04c0 RBX: ffff8880b141f968 RCX: ffffffff81e25c63
RDX: 0000000000000000 RSI: ffffffff81e26fb0 RDI: 0000000000000004
RBP: ffff8880a38d84c0 R08: 0000000000000000 R09: 00000000fffec510
R10: 0000000000000004 R11: 0000000000074071 R12: 00000000fffec510
R13: ffff8880a38da500 R14: ffff8880a38d8b40 R15: 0000000000000010
FS:  00007fde3d611700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004454bf CR3: 00000000aa97b000 CR4: 00000000001406f0
EXT4-fs error (device sda1) in ext4_reserve_inode_write:5947: Out of memory
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
EXT4-fs error (device sda1) in ext4_reserve_inode_write:5947: Out of memory
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
EXT4-fs error (device sda1) in ext4_reserve_inode_write:5947: Out of memory