================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:622:9
index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 1 PID: 4520 Comm: syz-executor402 Not tainted 6.1.57-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282
 xtInsert+0xd04/0xd70 fs/jfs/jfs_xtree.c:622
 extAlloc+0x87c/0xdec fs/jfs/jfs_extent.c:145
 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248
 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:304
 generic_perform_write+0x278/0x55c mm/filemap.c:3754
 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914
 __kernel_write_iter+0x264/0x5f8 fs/read_write.c:517
 dump_emit_page fs/coredump.c:881 [inline]
 dump_user_range+0x384/0x6b8 fs/coredump.c:908
 elf_core_dump+0x2fe4/0x3714 fs/binfmt_elf.c:2312
 do_coredump+0x14a0/0x2234 fs/coredump.c:755
 get_signal+0xfd8/0x158c kernel/signal.c:2848
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:270:11
index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 1 PID: 4520 Comm: syz-executor402 Not tainted 6.1.57-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282
 xtSearch+0xc94/0x156c fs/jfs/jfs_xtree.c:270
 xtLookup+0x230/0x710 fs/jfs/jfs_xtree.c:152
 extHint+0x200/0x544 fs/jfs/jfs_extent.c:215
 jfs_get_block+0x2e4/0xb98 fs/jfs/inode.c:246
 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:304
 generic_perform_write+0x278/0x55c mm/filemap.c:3754
 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914
 __kernel_write_iter+0x264/0x5f8 fs/read_write.c:517
 dump_emit_page fs/coredump.c:881 [inline]
 dump_user_range+0x384/0x6b8 fs/coredump.c:908
 elf_core_dump+0x2fe4/0x3714 fs/binfmt_elf.c:2312
 do_coredump+0x14a0/0x2234 fs/coredump.c:755
 get_signal+0xfd8/0x158c kernel/signal.c:2848
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:179:9
index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 1 PID: 4520 Comm: syz-executor402 Not tainted 6.1.57-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282
 xtLookup+0x70c/0x710 fs/jfs/jfs_xtree.c:179
 extHint+0x200/0x544 fs/jfs/jfs_extent.c:215
 jfs_get_block+0x2e4/0xb98 fs/jfs/inode.c:246
 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:304
 generic_perform_write+0x278/0x55c mm/filemap.c:3754
 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914
 __kernel_write_iter+0x264/0x5f8 fs/read_write.c:517
 dump_emit_page fs/coredump.c:881 [inline]
 dump_user_range+0x384/0x6b8 fs/coredump.c:908
 elf_core_dump+0x2fe4/0x3714 fs/binfmt_elf.c:2312
 do_coredump+0x14a0/0x2234 fs/coredump.c:755
 get_signal+0xfd8/0x158c kernel/signal.c:2848
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:1370:9
index 20 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 1 PID: 4520 Comm: syz-executor402 Not tainted 6.1.57-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282
 xtExtend+0x10fc/0x1334 fs/jfs/jfs_xtree.c:1370
 extAlloc+0x84c/0xdec fs/jfs/jfs_extent.c:143
 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248
 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:304
 generic_perform_write+0x278/0x55c mm/filemap.c:3754
 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914
 __kernel_write_iter+0x264/0x5f8 fs/read_write.c:517
 dump_emit_page fs/coredump.c:881 [inline]
 dump_user_range+0x384/0x6b8 fs/coredump.c:908
 elf_core_dump+0x2fe4/0x3714 fs/binfmt_elf.c:2312
 do_coredump+0x14a0/0x2234 fs/coredump.c:755
 get_signal+0xfd8/0x158c kernel/signal.c:2848
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
================================================================================