{ "schema_version": "1.6.1", "id": "RPI-CVE-2023-52770", "modified": "2026-10-07T17:22:01Z", "upstream": [ "CVE-2023-52770" ], "published": "2024-05-21T15:34:20Z", "summary": "f2fs: split initial and dynamic conditions for extent_cache", "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: split initial and dynamic conditions for extent_cache\n\nLet's allocate the extent_cache tree without dynamic conditions to avoid a\nmissing condition causing a panic as below.\n\n # create a file w/ a compressed flag\n # disable the compression\n # panic while updating extent_cache\n\nF2FS-fs (dm-64): Swapfile: last extent is not aligned to section\nF2FS-fs (dm-64): Swapfile (3) is not align to section: 1) creat(), 2) ioctl(F2FS_IOC_SET_PIN_FILE), 3) fallocate(2097152 * N)\nAdding 124996k swap on ./swap-file. Priority:0 extents:2 across:17179494468k\n==================================================================\nBUG: KASAN: null-ptr-deref in instrument_atomic_read_write out/common/include/linux/instrumented.h:101 [inline]\nBUG: KASAN: null-ptr-deref in atomic_try_cmpxchg_acquire out/common/include/asm-generic/atomic-instrumented.h:705 [inline]\nBUG: KASAN: null-ptr-deref in queued_write_lock out/common/include/asm-generic/qrwlock.h:92 [inline]\nBUG: KASAN: null-ptr-deref in __raw_write_lock out/common/include/linux/rwlock_api_smp.h:211 [inline]\nBUG: KASAN: null-ptr-deref in _raw_write_lock+0x5a/0x110 out/common/kernel/locking/spinlock.c:295\nWrite of size 4 at addr 0000000000000030 by task syz-executor154/3327\n\nCPU: 0 PID: 3327 Comm: syz-executor154 Tainted: G O 5.10.185 #1\nHardware name: emulation qemu-x86/qemu-x86, BIOS 2023.01-21885-gb3cc1cd24d 01/01/2023\nCall Trace:\n __dump_stack out/common/lib/dump_stack.c:77 [inline]\n dump_stack_lvl+0x17e/0x1c4 out/common/lib/dump_stack.c:118\n __kasan_report+0x16c/0x260 out/common/mm/kasan/report.c:415\n kasan_report+0x51/0x70 out/common/mm/kasan/report.c:428\n kasan_check_range+0x2f3/0x340 out/common/mm/kasan/generic.c:186\n __kasan_check_write+0x14/0x20 out/common/mm/kasan/shadow.c:37\n instrument_atomic_read_write out/common/include/linux/instrumented.h:101 [inline]\n atomic_try_cmpxchg_acquire out/common/include/asm-generic/atomic-instrumented.h:705 [inline]\n queued_write_lock out/common/include/asm-generic/qrwlock.h:92 [inline]\n __raw_write_lock out/common/include/linux/rwlock_api_smp.h:211 [inline]\n _raw_write_lock+0x5a/0x110 out/common/kernel/locking/spinlock.c:295\n __drop_extent_tree+0xdf/0x2f0 out/common/fs/f2fs/extent_cache.c:1155\n f2fs_drop_extent_tree+0x17/0x30 out/common/fs/f2fs/extent_cache.c:1172\n f2fs_insert_range out/common/fs/f2fs/file.c:1600 [inline]\n f2fs_fallocate+0x19fd/0x1f40 out/common/fs/f2fs/file.c:1764\n vfs_fallocate+0x514/0x9b0 out/common/fs/open.c:310\n ksys_fallocate out/common/fs/open.c:333 [inline]\n __do_sys_fallocate out/common/fs/open.c:341 [inline]\n __se_sys_fallocate out/common/fs/open.c:339 [inline]\n __x64_sys_fallocate+0xb8/0x100 out/common/fs/open.c:339\n do_syscall_64+0x35/0x50 out/common/arch/x86/entry/common.c:46", "affected": [ { "package": { "ecosystem": "Raspberry Pi OS:12", "name": "linux" }, "versions": [ "1:6.1.47-1+rpt2", "1:6.1.47-1+rpt4", "1:6.1.54-1+rpt2", "1:6.1.58-1+rpt2", "1:6.1.63-1+rpt1", "1:6.1.73-1+rpt1" ], "ecosystem_specific": { "binaries": [ { "binary_name": "linux-image-6.1.0-rpi2-rpi-v6", "binary_version": "1:6.1.47-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi2-rpi-v7", "binary_version": "1:6.1.47-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi2-rpi-v7l", "binary_version": "1:6.1.47-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi2-rpi-v8", "binary_version": "1:6.1.47-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-2712", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v6", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v7", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v8", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi4-rpi-2712", "binary_version": "1:6.1.54-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi4-rpi-v6", "binary_version": "1:6.1.54-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi4-rpi-v7", "binary_version": "1:6.1.54-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi4-rpi-v7l", "binary_version": "1:6.1.54-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi4-rpi-v8", "binary_version": "1:6.1.54-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi6-rpi-2712", "binary_version": "1:6.1.58-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi6-rpi-v6", "binary_version": "1:6.1.58-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi6-rpi-v7", "binary_version": "1:6.1.58-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi6-rpi-v7l", "binary_version": "1:6.1.58-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi6-rpi-v8", "binary_version": "1:6.1.58-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi7-rpi-2712", "binary_version": "1:6.1.63-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi7-rpi-v6", "binary_version": "1:6.1.63-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi7-rpi-v7", "binary_version": "1:6.1.63-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi7-rpi-v7l", "binary_version": "1:6.1.63-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi7-rpi-v8", "binary_version": "1:6.1.63-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi8-rpi-2712", "binary_version": "1:6.1.73-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi8-rpi-v6", "binary_version": "1:6.1.73-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi8-rpi-v7", "binary_version": "1:6.1.73-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi8-rpi-v7l", "binary_version": "1:6.1.73-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi8-rpi-v8", "binary_version": "1:6.1.73-1+rpt1" } ] }, "database_specific": { "per_version": { "1:6.1.47-1+rpt2": { "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e", "upstream_version": "6.1.47", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null }, "1:6.1.47-1+rpt4": { "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e", "upstream_version": "6.1.47", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null, "compiled_filter": false }, "1:6.1.54-1+rpt2": { "linux_commit": "2906f7abdc03d4a92b6b0e2e0c87ea2a9dffe8f7", "upstream_version": "6.1.54", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null }, "1:6.1.58-1+rpt2": { "linux_commit": "ccf1586ad0663fa91238ac56abf6340d6d740d18", "upstream_version": "6.1.58", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null }, "1:6.1.63-1+rpt1": { "linux_commit": null, "upstream_version": "6.1.63", "assessment": "upstream version (no usable Linux commit)", "upstream_fixed": null }, "1:6.1.73-1+rpt1": { "linux_commit": null, "upstream_version": "6.1.73", "assessment": "upstream version (no usable Linux commit)", "upstream_fixed": null } } } } ], "references": [ { "type": "ADVISORY", "url": "https://www.cve.org/CVERecord?id=CVE-2023-52770" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/9de787139b0258a5dd1f498780c26d76b61d2958" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/d83309e7e006cee8afca83523559017c824fbf7a" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/f803982190f0265fd36cf84670aa6daefc2b0768" } ], "database_specific": { "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git", "upstream_modified": "2026-05-24T06:48:58Z" } }