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UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2222:2
index 128 is out of range for type 's64 [128]'
CPU: 1 PID: 25907 Comm: syz-executor.2 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xdb/0x130 lib/ubsan.c:283
 dbAllocBits+0x988/0x9c0 fs/jfs/jfs_dmap.c:2222
 dbAllocDmap fs/jfs/jfs_dmap.c:1999 [inline]
 dbAllocNear+0x26a/0x390 fs/jfs/jfs_dmap.c:1228
 dbAlloc+0xa12/0xc90 fs/jfs/jfs_dmap.c:813
 extBalloc fs/jfs/jfs_extent.c:321 [inline]
 extAlloc+0x4b9/0xff0 fs/jfs/jfs_extent.c:122
 jfs_get_block+0x342/0xce0 fs/jfs/inode.c:248
 __block_write_begin_int+0x54c/0x1a80 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x93/0x1e0 fs/buffer.c:2102
 jfs_write_begin+0x2d/0x60 fs/jfs/inode.c:304
 generic_perform_write+0x2e4/0x5e0 mm/filemap.c:3753
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3881
 generic_file_write_iter+0xab/0x310 mm/filemap.c:3913
 __kernel_write_iter+0x2f6/0x740 fs/read_write.c:517
 dump_emit_page+0xa32/0xc50 fs/coredump.c:857
 dump_user_range+0x5b/0xf0 fs/coredump.c:908
 elf_core_dump+0x396b/0x4120 fs/binfmt_elf.c:2311
 do_coredump+0x17eb/0x2800 fs/coredump.c:755
 get_signal+0x1431/0x17b0 kernel/signal.c:2844
 arch_do_signal_or_restart+0x7b/0x730 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x74/0x150 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3cce03d707
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3cced98f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffe5 RBX: 0000000000000359 RCX: 00007f3cce03d707
RDX: 0000000000000040 RSI: 0000000020012420 RDI: 0000000000000007
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
R10: 14d435fcc5771313 R11: 0000000000000293 R12: 0000000000000007
R13: 0000000020000530 R14: 0000000000000022 R15: 00007f3cce0d5a20
 </TASK>
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