------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:804!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc4-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_reserve_suballoc_bits+0x4798/0x4e70 fs/ocfs2/suballoc.c:804
Code: e1 07 80 c1 03 38 c1 0f 8c 75 dd ff ff 48 8d bc 24 b0 01 00 00 e8 b8 71 62 fe e9 63 dd ff ff e8 ce c5 41 08 e8 a9 36 fb fd 90 <0f> 0b e8 a1 36 fb fd 48 c7 c7 e0 01 04 8f 48 8b 74 24 20 48 89 da
RSP: 0000:ffffc9000d1a6840 EFLAGS: 00010293
RAX: ffffffff83c68757 RBX: 00000000ffffffff RCX: ffff88801aeac880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000d1a6d30 R08: ffffffff83c64235 R09: 1ffffffff2079d8e
R10: dffffc0000000000 R11: fffffbfff2079d8f R12: 1ffff92001a34d88
R13: ffff888012324d00 R14: ffff8880439c6e00 R15: dffffc0000000000
FS:  00005555715e7500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00004000000001c0 CR3: 00000000441be000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1132 [inline]
 ocfs2_reserve_clusters_with_limit+0x3dd/0xb60 fs/ocfs2/suballoc.c:1177
 ocfs2_convert_inline_data_to_extents+0x29d/0x1800 fs/ocfs2/alloc.c:7089
 ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1548 [inline]
 ocfs2_write_begin_nolock+0x1c82/0x4e40 fs/ocfs2/aops.c:1655
 __ocfs2_page_mkwrite fs/ocfs2/mmap.c:93 [inline]
 ocfs2_page_mkwrite+0x6d9/0xda0 fs/ocfs2/mmap.c:144
 do_page_mkwrite+0x15c/0x350 mm/memory.c:3255
 do_shared_fault mm/memory.c:5479 [inline]
 do_fault mm/memory.c:5541 [inline]
 do_pte_missing mm/memory.c:4058 [inline]
 handle_pte_fault mm/memory.c:5900 [inline]
 __handle_mm_fault+0x22e2/0x70f0 mm/memory.c:6043
 handle_mm_fault+0x3e5/0x8d0 mm/memory.c:6212
 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline]
 handle_page_fault arch/x86/mm/fault.c:1480 [inline]
 exc_page_fault+0x2b9/0x8b0 arch/x86/mm/fault.c:1538
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fe1cc653ca1
Code: 48 8b 54 24 08 48 85 d2 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fa 01 0f 85 b3 01 00 00 48 8b 44 24 10 8b 54 24 18 <89> 10 e9 15 fd ff ff 48 8b 44 24 10 8b 10 48 8b 44 24 08 48 85 c0
RSP: 002b:00007fff7d809aa0 EFLAGS: 00010246
RAX: 00004000000001c0 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005555715e73c8
RBP: 00007fff7d809ba8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00007fe1cc9a5fac
R13: 00007fe1cc9a5fa0 R14: fffffffffffffffe R15: 00007fff7d809bf0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_reserve_suballoc_bits+0x4798/0x4e70 fs/ocfs2/suballoc.c:804
Code: e1 07 80 c1 03 38 c1 0f 8c 75 dd ff ff 48 8d bc 24 b0 01 00 00 e8 b8 71 62 fe e9 63 dd ff ff e8 ce c5 41 08 e8 a9 36 fb fd 90 <0f> 0b e8 a1 36 fb fd 48 c7 c7 e0 01 04 8f 48 8b 74 24 20 48 89 da
RSP: 0000:ffffc9000d1a6840 EFLAGS: 00010293
RAX: ffffffff83c68757 RBX: 00000000ffffffff RCX: ffff88801aeac880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000d1a6d30 R08: ffffffff83c64235 R09: 1ffffffff2079d8e
R10: dffffc0000000000 R11: fffffbfff2079d8f R12: 1ffff92001a34d88
R13: ffff888012324d00 R14: ffff8880439c6e00 R15: dffffc0000000000
FS:  00005555715e7500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00004000000001c0 CR3: 00000000441be000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400