================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:633:9 index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 0 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtInsert+0xca8/0xd28 fs/jfs/jfs_xtree.c:633 extAlloc+0x8fc/0xe68 fs/jfs/jfs_extent.c:148 jfs_get_block+0x34c/0xbfc fs/jfs/inode.c:258 nobh_write_begin+0x2d8/0xa28 fs/buffer.c:2650 jfs_write_begin+0x58/0xa0 fs/jfs/inode.c:322 generic_perform_write+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:281:11 index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 0 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtSearch+0xc94/0x156c fs/jfs/jfs_xtree.c:281 xtLookup+0x230/0x710 fs/jfs/jfs_xtree.c:163 extHint+0x200/0x544 fs/jfs/jfs_extent.c:374 jfs_get_block+0x308/0xbfc fs/jfs/inode.c:256 nobh_write_begin+0x2d8/0xa28 fs/buffer.c:2650 jfs_write_begin+0x58/0xa0 fs/jfs/inode.c:322 generic_perform_write+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:190:9 index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 0 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtLookup+0x70c/0x710 fs/jfs/jfs_xtree.c:190 extHint+0x200/0x544 fs/jfs/jfs_extent.c:374 jfs_get_block+0x308/0xbfc fs/jfs/inode.c:256 nobh_write_begin+0x2d8/0xa28 fs/buffer.c:2650 jfs_write_begin+0x58/0xa0 fs/jfs/inode.c:322 generic_perform_write+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:371:4 index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 1 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtSearch+0x518/0x156c fs/jfs/jfs_xtree.c:371 xtLookup+0x230/0x710 fs/jfs/jfs_xtree.c:163 jfs_get_block+0x26c/0xbfc fs/jfs/inode.c:218 __mpage_writepage+0x410/0x1738 fs/mpage.c:564 write_cache_pages+0x878/0xf58 mm/page-writeback.c:2277 mpage_writepages+0x11c/0x280 fs/mpage.c:712 jfs_writepages+0x30/0x40 fs/jfs/inode.c:293 do_writepages+0x39c/0x5ec mm/page-writeback.c:2386 filemap_fdatawrite_wbc+0x1c8/0x228 mm/filemap.c:400 __filemap_fdatawrite_range mm/filemap.c:433 [inline] file_write_and_wait_range+0x18c/0x274 mm/filemap.c:810 jfs_fsync+0x78/0x1c0 fs/jfs/file.c:24 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2991 [inline] generic_file_write_iter+0x15c/0x1b8 mm/filemap.c:3948 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:371:4 index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 1 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtSearch+0x550/0x156c fs/jfs/jfs_xtree.c:371 xtLookup+0x230/0x710 fs/jfs/jfs_xtree.c:163 jfs_get_block+0x26c/0xbfc fs/jfs/inode.c:218 __mpage_writepage+0x410/0x1738 fs/mpage.c:564 write_cache_pages+0x878/0xf58 mm/page-writeback.c:2277 mpage_writepages+0x11c/0x280 fs/mpage.c:712 jfs_writepages+0x30/0x40 fs/jfs/inode.c:293 do_writepages+0x39c/0x5ec mm/page-writeback.c:2386 filemap_fdatawrite_wbc+0x1c8/0x228 mm/filemap.c:400 __filemap_fdatawrite_range mm/filemap.c:433 [inline] file_write_and_wait_range+0x18c/0x274 mm/filemap.c:810 jfs_fsync+0x78/0x1c0 fs/jfs/file.c:24 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2991 [inline] generic_file_write_iter+0x15c/0x1b8 mm/filemap.c:3948 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:1381:9 index 20 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 1 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtExtend+0x10f4/0x131c fs/jfs/jfs_xtree.c:1381 extAlloc+0x8c0/0xe68 fs/jfs/jfs_extent.c:146 jfs_get_block+0x34c/0xbfc fs/jfs/inode.c:258 nobh_write_begin+0x2d8/0xa28 fs/buffer.c:2650 jfs_write_begin+0x58/0xa0 fs/jfs/inode.c:322 generic_perform_write+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_txnmgr.c:1787:23 index 41 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 1 PID: 4669 Comm: syz.2.110 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 xtLog fs/jfs/jfs_txnmgr.c:1787 [inline] txLog fs/jfs/jfs_txnmgr.c:1396 [inline] txCommit+0x485c/0x55b0 fs/jfs/jfs_txnmgr.c:1264 jfs_commit_inode+0x2ac/0x4f8 fs/jfs/inode.c:108 jfs_fsync+0x180/0x1c0 fs/jfs/file.c:37 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2991 [inline] generic_file_write_iter+0x15c/0x1b8 mm/filemap.c:3948 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 generic_copy_file_range fs/read_write.c:1385 [inline] vfs_copy_file_range+0x940/0x1138 fs/read_write.c:1531 __do_sys_copy_file_range fs/read_write.c:1588 [inline] __se_sys_copy_file_range fs/read_write.c:1551 [inline] __arm64_sys_copy_file_range+0x5f8/0x9d8 fs/read_write.c:1551 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================