{"id":"CVE-2023-52604","summary":"FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nFS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree\n\nSyzkaller reported the following issue:\n\nUBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2867:6\nindex 196694 is out of range for type 's8[1365]' (aka 'signed char[1365]')\nCPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n ubsan_epilogue lib/ubsan.c:217 [inline]\n __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348\n dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867\n dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834\n dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331\n dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]\n dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402\n txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534\n txUpdateMap+0x342/0x9e0\n txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\n jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732\n kthread+0x2d3/0x370 kernel/kthread.c:388\n ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304\n \u003c/TASK\u003e\n================================================================================\nKernel panic - not syncing: UBSAN: panic_on_warn set ...\nCPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n panic+0x30f/0x770 kernel/panic.c:340\n check_panic_on_warn+0x82/0xa0 kernel/panic.c:236\n ubsan_epilogue lib/ubsan.c:223 [inline]\n __ubsan_handle_out_of_bounds+0x13c/0x150 lib/ubsan.c:348\n dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867\n dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834\n dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331\n dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]\n dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402\n txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534\n txUpdateMap+0x342/0x9e0\n txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\n jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732\n kthread+0x2d3/0x370 kernel/kthread.c:388\n ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304\n \u003c/TASK\u003e\nKernel Offset: disabled\nRebooting in 86400 seconds..\n\nThe issue is caused when the value of lp becomes greater than\nCTLTREESIZE which is the max size of stree. Adding a simple check\nsolves this issue.\n\nDave:\nAs the function returns a void, good error handling\nwould require a more intrusive code reorganization, so I modified\nOsama's patch at use WARN_ON_ONCE for lack of a cleaner option.\n\nThe patch is tested via syzbot.","modified":"2026-04-02T09:43:05.497579Z","published":"2024-03-06T06:45:30.246Z","related":["SUSE-SU-2024:1466-1","SUSE-SU-2024:1480-1","SUSE-SU-2024:1490-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52604.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/42f433785f108893de0dd5260bafb85d7d51db03"},{"type":"WEB","url":"https://git.kernel.org/stable/c/59342822276f753e49d27ef5eebffbba990572b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6a44065dd604972ec1fbcccbdc4a70d266a89cdd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6fe8b702125aeee6ce83f20092a2341446704e7b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9862ec7ac1cbc6eb5ee4a045b5d5b8edbb2f7e68"},{"type":"WEB","url":"https://git.kernel.org/stable/c/98f9537fe61b8382b3cc5dd97347531698517c56"},{"type":"WEB","url":"https://git.kernel.org/stable/c/de34de6e57bbbc868e4fcf9e98c76b3587cabb0b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3e95c6850661c77e6dab079d9b5374a618ebb15"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52604.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52604"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"e3e95c6850661c77e6dab079d9b5374a618ebb15"},{"fixed":"98f9537fe61b8382b3cc5dd97347531698517c56"},{"fixed":"de34de6e57bbbc868e4fcf9e98c76b3587cabb0b"},{"fixed":"6fe8b702125aeee6ce83f20092a2341446704e7b"},{"fixed":"42f433785f108893de0dd5260bafb85d7d51db03"},{"fixed":"6a44065dd604972ec1fbcccbdc4a70d266a89cdd"},{"fixed":"59342822276f753e49d27ef5eebffbba990572b9"},{"fixed":"9862ec7ac1cbc6eb5ee4a045b5d5b8edbb2f7e68"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52604.json"}}],"schema_version":"1.7.5"}