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. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5330,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options loop0: detected capacity change from 32768 to 32767 (syz.0.0,5330,0):ocfs2_validate_inode_block:1449 ERROR: Invalid dinode #17058: Corrupt state (nlink = 0 or mode = 0) detected! (syz.0.0,5330,0):ocfs2_assign_bh:2417 ERROR: status = -117 (syz.0.0,5330,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -117 (syz.0.0,5330,0):ocfs2_reflink_inodes_lock:4747 ERROR: status = -117 ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/ocfs2/alloc.c:1112:9 index -1 is out of range for type 'struct ocfs2_extent_rec[] __counted_by(l_count)' (aka 'struct ocfs2_extent_rec[]') CPU: 0 UID: 0 PID: 5330 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 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x30 lib/ubsan.c:233 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:455 ocfs2_sum_rightmost_rec fs/ocfs2/alloc.c:1112 [inline] ocfs2_shift_tree_depth fs/ocfs2/alloc.c:1433 [inline] ocfs2_grow_tree+0x37fc/0x4060 fs/ocfs2/alloc.c:1581 ocfs2_insert_extent+0xc67/0x1700 fs/ocfs2/alloc.c:4764 ocfs2_add_clusters_in_btree+0x678/0xff0 fs/ocfs2/alloc.c:4866 ocfs2_add_inode_data+0xe7/0x140 fs/ocfs2/file.c:551 ocfs2_write_cluster fs/ocfs2/aops.c:1117 [inline] ocfs2_write_cluster_by_desc+0x566/0x1de0 fs/ocfs2/aops.c:1221 ocfs2_write_begin_nolock+0x3305/0x41a0 fs/ocfs2/aops.c:1797 ocfs2_write_begin+0x1c5/0x320 fs/ocfs2/aops.c:1885 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4324 ocfs2_file_write_iter+0x1663/0x1e70 fs/ocfs2/file.c:2476 iter_file_splice_write+0x9a1/0x10f0 fs/splice.c:736 do_splice_from fs/splice.c:936 [inline] direct_splice_actor+0x101/0x160 fs/splice.c:1159 splice_direct_to_actor+0x53a/0xc70 fs/splice.c:1103 do_splice_direct_actor fs/splice.c:1202 [inline] do_splice_direct+0x195/0x290 fs/splice.c:1228 vfs_copy_file_range+0xb02/0x1370 fs/read_write.c:1634 __do_sys_copy_file_range fs/read_write.c:1683 [inline] __se_sys_copy_file_range+0x2fb/0x480 fs/read_write.c:1650 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5a2459c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5a25523fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 RAX: ffffffffffffffda RBX: 00007f5a24815fa0 RCX: 00007f5a2459c819 RDX: 0000000000000004 RSI: 00002000000001c0 RDI: 0000000000000005 RBP: 00007f5a24632c91 R08: ffffffffa003e45b R09: 0700000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5a24816038 R14: 00007f5a24815fa0 R15: 00007ffc179ae578 ---[ end trace ]---