loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_txnmgr.c:1743:5 index 18 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 1 PID: 3278 Comm: syz-executor.0 Not tainted 6.1.62-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xf0/0x176 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282 xtLog fs/jfs/jfs_txnmgr.c:1743 [inline] txLog fs/jfs/jfs_txnmgr.c:1396 [inline] txCommit+0x17e5/0x20b0 fs/jfs/jfs_txnmgr.c:1264 jfs_commit_inode+0x16b/0x280 fs/jfs/inode.c:108 extAlloc+0x70c/0x810 fs/jfs/jfs_extent.c:172 jfs_get_block+0x243/0x4f0 fs/jfs/inode.c:248 get_more_blocks fs/direct-io.c:665 [inline] do_direct_IO fs/direct-io.c:953 [inline] __blockdev_direct_IO+0xb1b/0x2700 fs/direct-io.c:1266 blockdev_direct_IO include/linux/fs.h:3230 [inline] jfs_direct_IO+0x4e/0xc0 fs/jfs/inode.c:336 generic_file_direct_write+0x117/0x270 mm/filemap.c:3678 __generic_file_write_iter+0xe6/0x1f0 mm/filemap.c:3838 generic_file_write_iter+0x5b/0x150 mm/filemap.c:3914 do_iter_write+0x30f/0x570 fs/read_write.c:861 iter_file_splice_write+0x31b/0x5f0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x3f/0xd0 fs/splice.c:931 splice_direct_to_actor+0x1c4/0x420 fs/splice.c:886 do_splice_direct+0xd7/0x150 fs/splice.c:974 do_sendfile+0x300/0x740 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0xde/0x110 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f16b707cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f16b7d620c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f16b719bf80 RCX: 00007f16b707cae9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f16b70c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201004 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f16b719bf80 R15: 00007fffb6c542f8 ================================================================================