loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ocfs2: Unknown parameter '00000000000000000000003' ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:804! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.14.0-rc7-syzkaller-00179-gb3ee1e460951 #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 68 3d 62 fe e9 63 dd ff ff e8 ae 19 42 08 e8 09 fd fa fd 90 <0f> 0b e8 01 fd fa fd 48 c7 c7 00 0a 04 8f 48 8b 74 24 20 48 89 da RSP: 0018:ffffc9000d3ee580 EFLAGS: 00010246 RAX: ffffffff83c6e377 RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc9000e1f2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000d3eea70 R08: ffffffff83c69e55 R09: 1ffffffff2079f6e R10: dffffc0000000000 R11: fffffbfff2079f6f R12: 1ffff92001a7dd30 R13: ffff888051658d80 R14: ffff888056cf8e00 R15: dffffc0000000000 FS: 00007f0c973ef6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c96b89fe0 CR3: 0000000042b46000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_reserve_cluster_bitmap_bits+0xc5/0x1d0 fs/ocfs2/suballoc.c:1132 ocfs2_local_alloc_reserve_for_window fs/ocfs2/localalloc.c:1108 [inline] ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1244 [inline] ocfs2_reserve_local_alloc_bits+0x965/0x28d0 fs/ocfs2/localalloc.c:669 ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 fs/ocfs2/suballoc.c:1166 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1227 [inline] ocfs2_lock_allocators+0x30a/0x630 fs/ocfs2/suballoc.c:2746 ocfs2_write_begin_nolock+0x28fe/0x4e40 fs/ocfs2/aops.c:1725 ocfs2_write_begin+0x205/0x3a0 fs/ocfs2/aops.c:1889 generic_perform_write+0x327/0xa00 mm/filemap.c:4102 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0c9af8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0c973ef038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0c9b1a5fa0 RCX: 00007f0c9af8d169 RDX: 000000000208e24b RSI: 0000200000000240 RDI: 000000000000000a RBP: 00007f0c9b00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0c9b1a5fa0 R15: 00007ffe9a9cea38 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 68 3d 62 fe e9 63 dd ff ff e8 ae 19 42 08 e8 09 fd fa fd 90 <0f> 0b e8 01 fd fa fd 48 c7 c7 00 0a 04 8f 48 8b 74 24 20 48 89 da RSP: 0018:ffffc9000d3ee580 EFLAGS: 00010246 RAX: ffffffff83c6e377 RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc9000e1f2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000d3eea70 R08: ffffffff83c69e55 R09: 1ffffffff2079f6e R10: dffffc0000000000 R11: fffffbfff2079f6f R12: 1ffff92001a7dd30 R13: ffff888051658d80 R14: ffff888056cf8e00 R15: dffffc0000000000 FS: 00007f0c973ef6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005611af2e0058 CR3: 0000000042b46000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400