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. overlayfs: upper fs does not support tmpfile. (syz.0.0,5314,0):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.0.0,5314,0):ocfs2_prepare_dir_for_insert:4294 ERROR: status = -2 (syz.0.0,5314,0):__ocfs2_prepare_orphan_dir:2180 ERROR: status = -2 (syz.0.0,5314,0):ocfs2_prepare_orphan_dir:2224 ERROR: status = -2 (syz.0.0,5314,0):ocfs2_prepare_orphan_dir:2240 ERROR: status = -2 (syz.0.0,5314,0):ocfs2_unlink:964 ERROR: status = -2 overlayfs: cleanup of 'work/#1' failed (-2) overlayfs: upper fs does not support RENAME_WHITEOUT. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1441! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00011-gf15d97df5afa #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:1441 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x21d9/0x2310 fs/ocfs2/suballoc.c:1982 Code: 38 fb ff ff e8 e8 6b 1e fe 90 0f 0b e8 e0 6b 1e fe 90 0f 0b e8 d8 6b 1e fe 90 0f 0b e8 d0 6b 1e fe 90 0f 0b e8 c8 6b 1e fe 90 <0f> 0b e8 c0 6b 1e fe 90 0f 0b f3 0f 1e fa 4d 89 f4 65 8b 1d 13 ed RSP: 0018:ffffc9000d4de700 EFLAGS: 00010283 RAX: ffffffff83a15308 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e08a000 RSI: 0000000000007e7f RDI: 0000000000007e80 RBP: ffffc9000d4de990 R08: ffffc9000d4dea20 R09: 0000000000000000 R10: ffffc9000d4dea20 R11: fffff52001a9bd49 R12: ffff8880531dbe00 R13: ffff8880355a2708 R14: 0000000000000255 R15: dffffc0000000000 FS: 00007fc94a58b6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003f83f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ocfs2_claim_clusters+0x307/0x910 fs/ocfs2/suballoc.c:2395 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2432 [inline] ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:432 [inline] ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline] ocfs2_reserve_suballoc_bits+0xf1e/0x45f0 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:982 ocfs2_init_xattr_set_ctxt+0x307/0x700 fs/ocfs2/xattr.c:3277 ocfs2_xattr_set+0xb70/0x11f0 fs/ocfs2/xattr.c:3634 __vfs_setxattr+0x439/0x480 fs/xattr.c:200 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234 vfs_setxattr+0x16b/0x2f0 fs/xattr.c:321 ovl_do_setxattr fs/overlayfs/overlayfs.h:315 [inline] ovl_setxattr fs/overlayfs/overlayfs.h:327 [inline] ovl_make_workdir fs/overlayfs/super.c:715 [inline] ovl_get_workdir+0xb86/0x1700 fs/overlayfs/super.c:827 ovl_fill_super+0x1386/0x35d0 fs/overlayfs/super.c:1406 vfs_get_super fs/super.c:1280 [inline] get_tree_nodev+0xb8/0x150 fs/super.c:1299 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759 do_new_mount+0x24a/0xa40 fs/namespace.c:3884 do_mount fs/namespace.c:4224 [inline] __do_sys_mount fs/namespace.c:4435 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4412 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc94978e969 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:00007fc94a58b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9499b5fa0 RCX: 00007fc94978e969 RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 0000000000000000 RBP: 00007fc949810ab1 R08: 0000200000000400 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc9499b5fa0 R15: 00007ffd3b9e15f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1441 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x21d9/0x2310 fs/ocfs2/suballoc.c:1982 Code: 38 fb ff ff e8 e8 6b 1e fe 90 0f 0b e8 e0 6b 1e fe 90 0f 0b e8 d8 6b 1e fe 90 0f 0b e8 d0 6b 1e fe 90 0f 0b e8 c8 6b 1e fe 90 <0f> 0b e8 c0 6b 1e fe 90 0f 0b f3 0f 1e fa 4d 89 f4 65 8b 1d 13 ed RSP: 0018:ffffc9000d4de700 EFLAGS: 00010283 RAX: ffffffff83a15308 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e08a000 RSI: 0000000000007e7f RDI: 0000000000007e80 RBP: ffffc9000d4de990 R08: ffffc9000d4dea20 R09: 0000000000000000 R10: ffffc9000d4dea20 R11: fffff52001a9bd49 R12: ffff8880531dbe00 R13: ffff8880355a2708 R14: 0000000000000255 R15: dffffc0000000000 FS: 00007fc94a58b6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc94a569fc8 CR3: 000000003f83f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400