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.0.0,5327,0):ocfs2_dio_end_io:2424 ERROR: Direct IO failed, bytes = -28 (syz.0.0,5327,0):ocfs2_find_subtree_root:1777 ERROR: bug expression: i > left->p_tree_depth (syz.0.0,5327,0):ocfs2_find_subtree_root:1777 ERROR: Owner 17059, left depth 1, right depth 1 left leaf blk 10548, right leaf blk 10548 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:1777! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #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_find_subtree_root+0x5ab/0x5c0 fs/ocfs2/alloc.c:1771 Code: 0b ea 11 8e ba f1 06 00 00 48 c7 c1 00 10 49 8c 4c 8b 44 24 20 45 89 f1 ff 33 41 57 ff 74 24 28 e8 6a 0d 22 00 48 83 c4 18 90 <0f> 0b e8 ae 18 13 fe 90 0f 0b e8 e6 24 45 08 66 0f 1f 44 00 00 90 RSP: 0018:ffffc9000d32d920 EFLAGS: 00010292 RAX: 54c06488a2981e00 RBX: ffff888043f8d758 RCX: 54c06488a2981e00 RDX: ffffc9000d8da000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d32da10 R08: ffffffff8174b16c R09: 1ffff92001a65a90 R10: dffffc0000000000 R11: fffff52001a65a91 R12: 0000000000000001 R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000002934 FS: 00007f5b680506c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5b5b63f000 CR3: 000000004f900000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_insert_path+0xad7/0x12c0 fs/ocfs2/alloc.c:4232 ocfs2_do_insert_extent+0xae1/0x10d0 fs/ocfs2/alloc.c:4334 ocfs2_insert_extent+0x1377/0x2270 fs/ocfs2/alloc.c:4757 ocfs2_add_clusters_in_btree+0x741/0x1370 fs/ocfs2/alloc.c:4849 ocfs2_add_inode_data+0xcf/0x120 fs/ocfs2/file.c:550 ocfs2_write_cluster fs/ocfs2/aops.c:1134 [inline] ocfs2_write_cluster_by_desc+0x54c/0x20b0 fs/ocfs2/aops.c:1239 ocfs2_write_begin_nolock+0x3a2f/0x4ec0 fs/ocfs2/aops.c:1815 ocfs2_dio_wr_get_block+0xc3b/0x18d0 fs/ocfs2/aops.c:2237 get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x1c8e/0x4890 fs/direct-io.c:1243 ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2464 generic_file_direct_write+0x17a/0x390 mm/filemap.c:3977 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4141 ocfs2_file_write_iter+0x17b1/0x1f50 fs/ocfs2/file.c:2459 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 do_sendfile+0x561/0xe10 fs/read_write.c:1388 __do_sys_sendfile64 fs/read_write.c:1455 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1441 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: 0033:0x7f5b6717e719 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:00007f5b68050038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f5b67335f80 RCX: 00007f5b6717e719 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000008 RBP: 00007f5b671f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5b67335f80 R15: 00007ffd02e257d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_find_subtree_root+0x5ab/0x5c0 fs/ocfs2/alloc.c:1771 Code: 0b ea 11 8e ba f1 06 00 00 48 c7 c1 00 10 49 8c 4c 8b 44 24 20 45 89 f1 ff 33 41 57 ff 74 24 28 e8 6a 0d 22 00 48 83 c4 18 90 <0f> 0b e8 ae 18 13 fe 90 0f 0b e8 e6 24 45 08 66 0f 1f 44 00 00 90 RSP: 0018:ffffc9000d32d920 EFLAGS: 00010292 RAX: 54c06488a2981e00 RBX: ffff888043f8d758 RCX: 54c06488a2981e00 RDX: ffffc9000d8da000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d32da10 R08: ffffffff8174b16c R09: 1ffff92001a65a90 R10: dffffc0000000000 R11: fffff52001a65a91 R12: 0000000000000001 R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000002934 FS: 00007f5b680506c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5b5b63f000 CR3: 000000004f900000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400