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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: 12366 Comm: syz-executor.0 Not tainted 6.5.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348
 xtLog fs/jfs/jfs_txnmgr.c:1743 [inline]
 txLog fs/jfs/jfs_txnmgr.c:1396 [inline]
 txCommit+0x3f0b/0x6ba0 fs/jfs/jfs_txnmgr.c:1264
 jfs_commit_inode+0x366/0x580 fs/jfs/inode.c:108
 extAlloc+0xc98/0x1010 fs/jfs/jfs_extent.c:172
 jfs_get_block+0x41b/0xe60 fs/jfs/inode.c:248
 __mpage_writepage+0x90c/0x2010 fs/mpage.c:559
 write_cache_pages+0x831/0x1420 mm/page-writeback.c:2474
 mpage_writepages+0x107/0x1d0 fs/mpage.c:679
 do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:393
 __filemap_fdatawrite_range mm/filemap.c:426 [inline]
 filemap_write_and_wait_range+0x1d4/0x2c0 mm/filemap.c:681
 kiocb_invalidate_pages mm/filemap.c:2759 [inline]
 generic_file_direct_write+0xff/0x3f0 mm/filemap.c:3841
 __generic_file_write_iter+0x125/0x230 mm/filemap.c:4004
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4044
 do_iter_write+0x84f/0xde0 fs/read_write.c:860
 iter_file_splice_write+0x86d/0x1010 fs/splice.c:739
 do_splice_from fs/splice.c:936 [inline]
 direct_splice_actor+0xea/0x1c0 fs/splice.c:1145
 splice_direct_to_actor+0x376/0x9e0 fs/splice.c:1091
 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1197
 do_sendfile+0x623/0x1070 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09c647cae9
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:00007f09c72680c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f09c659bf80 RCX: 00007f09c647cae9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000000b
RBP: 00007f09c64c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201004 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f09c659bf80 R15: 00007ffe8c131a38
 </TASK>
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