------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:5574! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5756 Comm: syz.2.291 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:ocfs2_remove_extent+0x1e70/0x2010 fs/ocfs2/alloc.c:5574 Code: fe e9 70 fa ff ff 48 8b 0c 24 80 e1 07 fe c1 38 c1 0f 8c b0 fa ff ff 48 8b 3c 24 e8 9a e1 9b fe e9 a2 fa ff ff e8 60 b0 4b fe <0f> 0b 65 44 8b 3d 26 ea cc 7c 48 c7 c0 30 10 ff 8d 48 c1 e8 03 42 RSP: 0018:ffffc900031b6540 EFLAGS: 00010293 RAX: ffffffff83352f70 RBX: ffff88804c2f96d0 RCX: ffff88802e765940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000007 RBP: ffffc900031b6870 R08: ffff88802e765940 R09: 0000000000000006 R10: 00000000fffffffc R11: 0000000000000000 R12: 0000000000000007 R13: 1ffff1100985f2da R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555578f94808 CR3: 000000006670d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_remove_btree_range+0xd92/0x1480 fs/ocfs2/alloc.c:5771 ocfs2_commit_truncate+0xaf5/0x1bf0 fs/ocfs2/alloc.c:7354 ocfs2_truncate_for_delete fs/ocfs2/inode.c:623 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:790 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline] ocfs2_evict_inode+0x10d5/0x41f0 fs/ocfs2/inode.c:1219 evict+0x485/0x870 fs/inode.c:705 ocfs2_dentry_iput+0x244/0x370 fs/ocfs2/dcache.c:418 __dentry_kill+0x431/0x650 fs/dcache.c:611 dentry_kill+0xb8/0x290 fs/dcache.c:-1 dput+0xfa/0x1d0 fs/dcache.c:918 __fput+0x5e0/0x920 fs/file_table.c:328 task_work_run+0x1ca/0x250 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x93e/0x2400 kernel/exit.c:880 do_group_exit+0x217/0x2d0 kernel/exit.c:1022 get_signal+0x1272/0x1350 kernel/signal.c:2871 arch_do_signal_or_restart+0xb7/0x1240 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 exc_page_fault+0x88/0x100 arch/x86/mm/fault.c:1490 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0033:0x7efcba78f751 Code: Unable to access opcode bytes at 0x7efcba78f727. RSP: 002b:fffffffffffffe70 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007efcba9e5fa0 RCX: 00007efcba78f749 RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000 RBP: 00007efcba813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007efcba9e6038 R14: 00007efcba9e5fa0 R15: 00007ffe60c74028 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_remove_extent+0x1e70/0x2010 fs/ocfs2/alloc.c:5574 Code: fe e9 70 fa ff ff 48 8b 0c 24 80 e1 07 fe c1 38 c1 0f 8c b0 fa ff ff 48 8b 3c 24 e8 9a e1 9b fe e9 a2 fa ff ff e8 60 b0 4b fe <0f> 0b 65 44 8b 3d 26 ea cc 7c 48 c7 c0 30 10 ff 8d 48 c1 e8 03 42 RSP: 0018:ffffc900031b6540 EFLAGS: 00010293 RAX: ffffffff83352f70 RBX: ffff88804c2f96d0 RCX: ffff88802e765940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000007 RBP: ffffc900031b6870 R08: ffff88802e765940 R09: 0000000000000006 R10: 00000000fffffffc R11: 0000000000000000 R12: 0000000000000007 R13: 1ffff1100985f2da R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f664cf72a60 CR3: 000000001e2e1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400