ocfs2: Mounting device (7,3) on (node local, slot 0) with writeback data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/uptodate.c:509! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 7977 Comm: syz.3.298 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ocfs2_set_new_buffer_uptodate+0x14c/0x188 fs/ocfs2/uptodate.c:509 lr : ocfs2_set_new_buffer_uptodate+0x14c/0x188 fs/ocfs2/uptodate.c:509 sp : ffff80009c306420 x29: ffff80009c306420 x28: ffff700013860cb0 x27: ffff00010187b200 x26: 0000000000000000 x25: ffff0000f8cfc130 x24: ffff0000f8cfc178 x23: ffff000102b70d98 x22: ffff0000f8ed7658 x21: 0000000000000001 x20: ffff000102b70d98 x19: ffff0000f8cfc130 x18: 00000000ffffffff x17: ffff800093335000 x16: ffff800082defcc0 x15: 0000000000000001 x14: 1fffe0001f19f804 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 0000000000002324 x9 : ffff8000a6a1b000 x8 : 0000000000002325 x7 : ffff80008217e634 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: ocfs2_set_new_buffer_uptodate+0x14c/0x188 fs/ocfs2/uptodate.c:509 (P) ocfs2_extend_dir+0xd58/0x3964 fs/ocfs2/dir.c:3309 ocfs2_prepare_dx_dir_for_insert fs/ocfs2/dir.c:4232 [inline] ocfs2_prepare_dir_for_insert+0x33ec/0x4664 fs/ocfs2/dir.c:4288 ocfs2_mknod+0x6ec/0x1cf0 fs/ocfs2/namei.c:297 ocfs2_create+0x190/0x474 fs/ocfs2/namei.c:676 lookup_open fs/namei.c:3796 [inline] open_last_lookups fs/namei.c:3895 [inline] path_openat+0x12d8/0x2c40 fs/namei.c:4131 do_filp_open+0x18c/0x36c fs/namei.c:4161 do_sys_openat2+0x11c/0x1b4 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1463 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: a8c47bfd d50323bf d65f03c0 9793c6c6 (d4210000) ---[ end trace 0000000000000000 ]---