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: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5331,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options (syz.0.0,5331,0):ocfs2_check_dir_entry:325 ERROR: bad entry in directory #72: directory entry overrun - offset=0, inode=72, rec_len=65296, name_len=7 (syz.0.0,5331,0):ocfs2_prepare_dir_for_insert:4294 ERROR: status = -2 (syz.0.0,5331,0):__ocfs2_prepare_orphan_dir:2180 ERROR: status = -2 (syz.0.0,5331,0):ocfs2_prepare_orphan_dir:2224 ERROR: status = -2 (syz.0.0,5331,0):ocfs2_prepare_orphan_dir:2240 ERROR: status = -2 (syz.0.0,5331,0):ocfs2_add_inode_to_orphan:2675 ERROR: status = -2 (syz.0.0,5331,0):ocfs2_dio_wr_get_block:2185 ERROR: status = -2 (syz.0.0,5331,0):ocfs2_dio_end_io:2398 ERROR: Direct IO failed, bytes = -2 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1443! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00047-g52da431bf03b #0 PREEMPT(full) 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_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996 Code: c2 fb ff ff e8 d5 12 1a fe 90 0f 0b e8 cd 12 1a fe 90 0f 0b e8 c5 12 1a fe 90 0f 0b e8 bd 12 1a fe 90 0f 0b e8 b5 12 1a fe 90 <0f> 0b e8 ad 12 1a fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000d4de720 EFLAGS: 00010287 RAX: ffffffff83a6498b RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e10a000 RSI: 000000000000067d RDI: 000000000000067e RBP: ffffc9000d4de9b0 R08: ffffc9000d4dea40 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000002 R12: ffff888011f24288 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110023e4851 FS: 00007f4f3e7ba6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7abb9a1796 CR3: 000000004406c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421 ocfs2_local_alloc_new_window fs/ocfs2/localalloc.c:1166 [inline] ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1295 [inline] ocfs2_reserve_local_alloc_bits+0x12be/0x24e0 fs/ocfs2/localalloc.c:669 ocfs2_reserve_clusters_with_limit+0x1be/0xba0 fs/ocfs2/suballoc.c:1168 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1229 [inline] ocfs2_lock_allocators+0x2fa/0x5c0 fs/ocfs2/suballoc.c:2772 ocfs2_write_begin_nolock+0x2279/0x4340 fs/ocfs2/aops.c:1718 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1882 generic_perform_write+0x2c4/0x910 mm/filemap.c:4112 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x548/0xa90 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4f3d98e929 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:00007f4f3e7ba038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f4f3dbb5fa0 RCX: 00007f4f3d98e929 RDX: 000000000208e24b RSI: 0000200000000000 RDI: 0000000000000007 RBP: 00007f4f3da10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4f3dbb5fa0 R15: 00007fffbcb657e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996 Code: c2 fb ff ff e8 d5 12 1a fe 90 0f 0b e8 cd 12 1a fe 90 0f 0b e8 c5 12 1a fe 90 0f 0b e8 bd 12 1a fe 90 0f 0b e8 b5 12 1a fe 90 <0f> 0b e8 ad 12 1a fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000d4de720 EFLAGS: 00010287 RAX: ffffffff83a6498b RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e10a000 RSI: 000000000000067d RDI: 000000000000067e RBP: ffffc9000d4de9b0 R08: ffffc9000d4dea40 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000002 R12: ffff888011f24288 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110023e4851 FS: 00007f4f3e7ba6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7abb9a1796 CR3: 000000004406c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400