------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 7423 Comm: syz.1.301 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0 fs/ocfs2/aops.c:1219
Code: 00 48 c7 c6 15 f8 f3 8d ba 6a 04 00 00 48 c7 c1 e0 a1 11 8c e8 cd fd 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 ed 3b 0d fe 90 <0f> 0b e8 e5 3b 0d fe 90 0f 0b e8 dd 3b 0d fe 90 0f 0b e8 d5 3b 0d
RSP: 0018:ffffc9000b84dcc0 EFLAGS: 00010293
RAX: ffffffff83b861e3 RBX: ffff8880565c0014 RCX: ffff888028ba8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b84dff0 R08: ffff88805936c023 R09: 1ffff1100b26d804
R10: dffffc0000000000 R11: ffffed100b26d805 R12: ffff88804b368000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880565c0014
FS:  0000000000000000(0000) GS:ffff88812546a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556138aa8 CR3: 0000000033c4a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x3316/0x41e0 fs/ocfs2/aops.c:1796
 ocfs2_write_begin+0x1c5/0x320 fs/ocfs2/aops.c:1884
 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4314
 ocfs2_file_write_iter+0x1663/0x1ed0 fs/ocfs2/file.c:2476
 __kernel_write_iter+0x41e/0x880 fs/read_write.c:621
 dump_emit_page fs/coredump.c:1299 [inline]
 dump_user_range+0xb89/0x12d0 fs/coredump.c:1373
 elf_core_dump+0x34c2/0x3ad0 fs/binfmt_elf.c:2111
 coredump_write+0x1219/0x1950 fs/coredump.c:1050
 do_coredump fs/coredump.c:1127 [inline]
 vfs_coredump+0x36a9/0x4280 fs/coredump.c:1201
 get_signal+0x1107/0x1330 kernel/signal.c:3019
 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:98 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline]
 irqentry_exit+0x176/0x620 kernel/entry/common.c:219
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fce230514f7
Code: e8 8e fa ff ff 89 f2 48 8d 3d 15 38 1b 00 48 8d 35 01 38 1b 00 31 c0 e8 e7 f8 ff ff 0f 1f 80 00 00 00 00 53 89 fb 48 83 ec 10 <64> 8b 04 25 a4 ff ff ff 85 c0 74 2a 89 fe 31 c0 bf 3c 00 00 00 e8
RSP: 002b:00007fce23f56120 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fce2319aeb9
RDX: 00007fce23f56140 RSI: 00007fce23f56270 RDI: 000000000000000b
RBP: 00007fce23208c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fce23416128 R14: 00007fce23416090 R15: 00007fffaf1353f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0 fs/ocfs2/aops.c:1219
Code: 00 48 c7 c6 15 f8 f3 8d ba 6a 04 00 00 48 c7 c1 e0 a1 11 8c e8 cd fd 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 ed 3b 0d fe 90 <0f> 0b e8 e5 3b 0d fe 90 0f 0b e8 dd 3b 0d fe 90 0f 0b e8 d5 3b 0d
RSP: 0018:ffffc9000b84dcc0 EFLAGS: 00010293
RAX: ffffffff83b861e3 RBX: ffff8880565c0014 RCX: ffff888028ba8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b84dff0 R08: ffff88805936c023 R09: 1ffff1100b26d804
R10: dffffc0000000000 R11: ffffed100b26d805 R12: ffff88804b368000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880565c0014
FS:  0000000000000000(0000) GS:ffff88812546a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7cc9dda6c8 CR3: 0000000033c4a000 CR4: 00000000003526f0