------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2569! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 6664 Comm: syz-executor Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : _ocfs2_free_suballoc_bits+0xf00/0x1210 fs/ocfs2/suballoc.c:2569 lr : _ocfs2_free_suballoc_bits+0xf00/0x1210 fs/ocfs2/suballoc.c:2569 sp : ffff80009fcc7520 x29: ffff80009fcc76a0 x28: ffff0000c15bb420 x27: 00000017466dc000 x26: ffff700013f98eb8 x25: ffff8000821b16cc x24: dfff800000000000 x23: 000000000000ffff x22: 0000000000000e00 x21: 00000000000102cf x20: 00000017466dc000 x19: 0000000000000e00 x18: 00000000ffffffff x17: ffff800093507000 x16: ffff80008afd94bc x15: 0000000000000001 x14: 0000000000000000 x13: 00000000fffffffc x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d0e83d00 x7 : ffff80008120c8cc x6 : ffff8000821b16cc x5 : 000000000000ffff x4 : 00000017466dc000 x3 : 00000000000002d0 x2 : ffff0000ddbb90e8 x1 : 0000000000000e00 x0 : 00000000000102cf Call trace: _ocfs2_free_suballoc_bits+0xf00/0x1210 fs/ocfs2/suballoc.c:2569 (P) _ocfs2_free_clusters+0x514/0x9bc fs/ocfs2/suballoc.c:2672 ocfs2_free_clusters+0x50/0x68 fs/ocfs2/suballoc.c:2693 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5979 [inline] __ocfs2_flush_truncate_log+0x5d8/0xf6c fs/ocfs2/alloc.c:6062 ocfs2_flush_truncate_log+0x4c/0x6c fs/ocfs2/alloc.c:6084 ocfs2_sync_fs+0xf8/0x2a4 fs/ocfs2/super.c:406 sync_filesystem+0x1a0/0x218 fs/sync.c:66 generic_shutdown_super+0x70/0x2b8 fs/super.c:622 kill_block_super+0x44/0x90 fs/super.c:1766 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: 17ffff1e 9795e087 d4210000 9795e085 (d4210000) ---[ end trace 0000000000000000 ]---