kernel BUG at fs/ext4/ext4.h:3247!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22963 Comm: syz-executor.4 Not tainted 5.10.179-syzkaller-00312-g571f442f6752 #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:3247 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xf5d/0x1020 fs/ext4/mballoc.c:1174
Code: ff e8 27 3b c8 ff e9 f0 f2 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 2d 3b c8 ff e9 48 f3 ff ff e8 43 2a 8b ff <0f> 0b e9 62 00 00 00 e8 37 2a 8b ff e9 ef fb ff ff e9 65 00 00 00
RSP: 0018:ffffc90001e27bf0 EFLAGS: 00010293
RAX: ffffffff81df4fed RBX: 00000000fffeabdf RCX: ffff8881834f3b40
RDX: 0000000000000000 RSI: 00000000fffeabdf RDI: 0000000000000001
RBP: ffffc90001e27c70 R08: ffffffff81df417c R09: ffffed102e688384
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811cbcf000 R14: 1ffff11023979279 R15: ffff88811cbc93c8
FS:  000055555753f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020026030 CR3: 000000016a214000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0x79c/0xef0 fs/ext4/mballoc.c:4451
 ext4_release_file+0x16e/0x310 fs/ext4/file.c:152
 __fput+0x309/0x760 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xbc/0x1d0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f2ca306e12b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffd98947be0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007f2ca306e12b
RDX: 00007f2ca2c32950 RSI: ffffffffffffffff RDI: 000000000000000a
RBP: 00007f2ca31dd980 R08: 0000000000000000 R09: 00007f2ca2c30000
R10: 00007f2ca2c32958 R11: 0000000000000293 R12: 000000000023fc7c
R13: 00007ffd98947ce0 R14: 00007f2ca31dc050 R15: 0000000000000032
Modules linked in:
---[ end trace 46d1b0aeeecf5e7c ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xf5d/0x1020 fs/ext4/mballoc.c:1174
Code: ff e8 27 3b c8 ff e9 f0 f2 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 2d 3b c8 ff e9 48 f3 ff ff e8 43 2a 8b ff <0f> 0b e9 62 00 00 00 e8 37 2a 8b ff e9 ef fb ff ff e9 65 00 00 00
RSP: 0018:ffffc90001e27bf0 EFLAGS: 00010293
RAX: ffffffff81df4fed RBX: 00000000fffeabdf RCX: ffff8881834f3b40
RDX: 0000000000000000 RSI: 00000000fffeabdf RDI: 0000000000000001
RBP: ffffc90001e27c70 R08: ffffffff81df417c R09: ffffed102e688384
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811cbcf000 R14: 1ffff11023979279 R15: ffff88811cbc93c8
FS:  000055555753f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020404030 CR3: 000000016a214000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400