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kernel BUG at fs/ocfs2/alloc.c:5581!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5919 Comm: syz.0.6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ocfs2_remove_extent+0x1ecf/0x2020
Code: fa ff ff 48 8b 4c 24 08 80 e1 07 fe c1 38 c1 0f 8c 95 fa ff ff 48 8b 7c 24 08 e8 fc 3a 8d fe e9 86 fa ff ff e8 32 cd 29 fe 90 <0f> 0b f3 0f 1e fa 44 89 6c 24 10 65 8b 1d c3 71 0a 0f bf 07 00 00
RSP: 0018:ffffc900037de9e0 EFLAGS: 00010293
RAX: ffffffff8395de5e RBX: ffffc900037df1d8 RCX: ffff8881077ad640
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: ffffc900037ded30 R08: ffff8881077ad640 R09: 0000000000000006
R10: 00000000fffffffc R11: 0000000000000000 R12: 1ffff11023c7b69a
R13: 0000000000000003 R14: ffff88811e3db4d0 R15: dffffc0000000000
FS:  000055558f61c500(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff0ae0bafc8 CR3: 000000010da24000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_remove_btree_range+0xdef/0x1540
 ocfs2_commit_truncate+0xb64/0x21d0
 ocfs2_evict_inode+0x1138/0x40e0
 evict+0x504/0x9c0
 ocfs2_dentry_iput+0x247/0x370
 __dentry_kill+0x209/0x660
 dput+0x19f/0x2b0
 __fput+0x68e/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd8e618ebe9
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:00007ffc90d0a808 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000010baa RCX: 00007fd8e618ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fd8e63b7da0 R08: 0000000000000001 R09: 0000001d90d0aaff
R10: 0000001b31120000 R11: 0000000000000246 R12: 00007fd8e63b5fac
R13: 00007fd8e63b5fa0 R14: ffffffffffffffff R15: 00007ffc90d0a920
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_remove_extent+0x1ecf/0x2020
Code: fa ff ff 48 8b 4c 24 08 80 e1 07 fe c1 38 c1 0f 8c 95 fa ff ff 48 8b 7c 24 08 e8 fc 3a 8d fe e9 86 fa ff ff e8 32 cd 29 fe 90 <0f> 0b f3 0f 1e fa 44 89 6c 24 10 65 8b 1d c3 71 0a 0f bf 07 00 00
RSP: 0018:ffffc900037de9e0 EFLAGS: 00010293
RAX: ffffffff8395de5e RBX: ffffc900037df1d8 RCX: ffff8881077ad640
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: ffffc900037ded30 R08: ffff8881077ad640 R09: 0000000000000006
R10: 00000000fffffffc R11: 0000000000000000 R12: 1ffff11023c7b69a
R13: 0000000000000003 R14: ffff88811e3db4d0 R15: dffffc0000000000
FS:  000055558f61c500(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3231fff8 CR3: 000000010da24000 CR4: 00000000000006f0
