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.0.0,5343,0):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.0.0,5343,0):ocfs2_prepare_dir_for_insert:4302 ERROR: status = -2 (syz.0.0,5343,0):__ocfs2_prepare_orphan_dir:2183 ERROR: status = -2 (syz.0.0,5343,0):ocfs2_prepare_orphan_dir:2227 ERROR: status = -2 (syz.0.0,5343,0):ocfs2_prepare_orphan_dir:2243 ERROR: status = -2 (syz.0.0,5343,0):ocfs2_unlink:967 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:1443! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5343 Comm: syz.0.0 Not tainted syzkaller #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+0x241f/0x2430 fs/ocfs2/suballoc.c:1996 Code: c2 fb ff ff e8 e2 93 11 fe 90 0f 0b e8 da 93 11 fe 90 0f 0b e8 d2 93 11 fe 90 0f 0b e8 ca 93 11 fe 90 0f 0b e8 c2 93 11 fe 90 <0f> 0b e8 ba 93 11 fe 90 0f 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000d436640 EFLAGS: 00010287 RAX: ffffffff83af7a6e RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000eeb1000 RSI: 000000000000692d RDI: 000000000000692e RBP: ffffc9000d4368d0 R08: ffffc9000d436960 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000002 R12: ffff88801c19e608 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11003833cc1 FS: 00007f9384ef96c0(0000) GS:ffff88808d6b7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001fdfe000 CR4: 0000000000352ef0 Call Trace: __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2458 [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+0xe71/0x45b0 fs/ocfs2/suballoc.c:834 ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:984 ocfs2_init_xattr_set_ctxt+0x2f7/0x6e0 fs/ocfs2/xattr.c:3277 ocfs2_xattr_set+0xb70/0x11f0 fs/ocfs2/xattr.c:3634 __vfs_setxattr+0x43c/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:317 [inline] ovl_setxattr fs/overlayfs/overlayfs.h:329 [inline] ovl_make_workdir fs/overlayfs/super.c:720 [inline] ovl_get_workdir fs/overlayfs/super.c:832 [inline] ovl_fill_super_creds fs/overlayfs/super.c:1445 [inline] ovl_fill_super+0x4795/0x59b0 fs/overlayfs/super.c:1559 vfs_get_super fs/super.c:1332 [inline] get_tree_nodev+0xbb/0x150 fs/super.c:1351 vfs_get_tree+0x92/0x2a0 fs/super.c:1759 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3636 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3712 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9383f8f7c9 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:00007f9384ef9038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f93841e5fa0 RCX: 00007f9383f8f7c9 RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 0000000000000000 RBP: 00007f9384013f91 R08: 0000200000000200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93841e6038 R14: 00007f93841e5fa0 R15: 00007ffec978a268 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x241f/0x2430 fs/ocfs2/suballoc.c:1996 Code: c2 fb ff ff e8 e2 93 11 fe 90 0f 0b e8 da 93 11 fe 90 0f 0b e8 d2 93 11 fe 90 0f 0b e8 ca 93 11 fe 90 0f 0b e8 c2 93 11 fe 90 <0f> 0b e8 ba 93 11 fe 90 0f 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000d436640 EFLAGS: 00010287 RAX: ffffffff83af7a6e RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000eeb1000 RSI: 000000000000692d RDI: 000000000000692e RBP: ffffc9000d4368d0 R08: ffffc9000d436960 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000002 R12: ffff88801c19e608 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11003833cc1 FS: 00007f9384ef96c0(0000) GS:ffff88808d6b7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93841bb558 CR3: 000000001fdfe000 CR4: 0000000000352ef0