{"id":"CVE-2024-36028","summary":"mm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio()\n\nWhen I did memory failure tests recently, below warning occurs:\n\nDEBUG_LOCKS_WARN_ON(1)\nWARNING: CPU: 8 PID: 1011 at kernel/locking/lockdep.c:232 __lock_acquire+0xccb/0x1ca0\nModules linked in: mce_inject hwpoison_inject\nCPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nRIP: 0010:__lock_acquire+0xccb/0x1ca0\nRSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082\nRAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8\nRDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0\nRBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb\nR10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10\nR13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004\nFS:  00007ff9f32aa740(0000) GS:ffffa1ce5fc00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ff9f3134ba0 CR3: 00000008484e4000 CR4: 00000000000006f0\nCall Trace:\n \u003cTASK\u003e\n lock_acquire+0xbe/0x2d0\n _raw_spin_lock_irqsave+0x3a/0x60\n hugepage_subpool_put_pages.part.0+0xe/0xc0\n free_huge_folio+0x253/0x3f0\n dissolve_free_huge_page+0x147/0x210\n __page_handle_poison+0x9/0x70\n memory_failure+0x4e6/0x8c0\n hard_offline_page_store+0x55/0xa0\n kernfs_fop_write_iter+0x12c/0x1d0\n vfs_write+0x380/0x540\n ksys_write+0x64/0xe0\n do_syscall_64+0xbc/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7ff9f3114887\nRSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887\nRDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001\nRBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c\nR13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00\n \u003c/TASK\u003e\nKernel panic - not syncing: kernel: panic_on_warn set ...\nCPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n panic+0x326/0x350\n check_panic_on_warn+0x4f/0x50\n __warn+0x98/0x190\n report_bug+0x18e/0x1a0\n handle_bug+0x3d/0x70\n exc_invalid_op+0x18/0x70\n asm_exc_invalid_op+0x1a/0x20\nRIP: 0010:__lock_acquire+0xccb/0x1ca0\nRSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082\nRAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8\nRDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0\nRBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb\nR10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10\nR13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004\n lock_acquire+0xbe/0x2d0\n _raw_spin_lock_irqsave+0x3a/0x60\n hugepage_subpool_put_pages.part.0+0xe/0xc0\n free_huge_folio+0x253/0x3f0\n dissolve_free_huge_page+0x147/0x210\n __page_handle_poison+0x9/0x70\n memory_failure+0x4e6/0x8c0\n hard_offline_page_store+0x55/0xa0\n kernfs_fop_write_iter+0x12c/0x1d0\n vfs_write+0x380/0x540\n ksys_write+0x64/0xe0\n do_syscall_64+0xbc/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7ff9f3114887\nRSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887\nRDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001\nRBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c\nR13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00\n \u003c/TASK\u003e\n\nAfter git bisecting and digging into the code, I believe the root cause is\nthat _deferred_list field of folio is unioned with _hugetlb_subpool field.\nIn __update_and_free_hugetlb_folio(), folio-\u003e_deferred_\n---truncated---","modified":"2026-03-20T12:36:48.335711Z","published":"2024-05-30T15:19:42.538Z","related":["MGASA-2024-0263","MGASA-2024-0266","SUSE-SU-2025:02853-1","SUSE-SU-2025:02923-1","SUSE-SU-2025:02969-1","SUSE-SU-2025:02996-1","SUSE-SU-2025:02997-1","SUSE-SU-2025:03011-1","SUSE-SU-2025:03023-1","SUSE-SU-2025:20577-1","SUSE-SU-2025:20586-1","SUSE-SU-2025:20601-1","SUSE-SU-2025:20602-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36028.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2effe407f7563add41750fd7e03da4ea44b98099"},{"type":"WEB","url":"https://git.kernel.org/stable/c/52ccdde16b6540abe43b6f8d8e1e1ec90b0983af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7e0a322877416e8c648819a8e441cf8c790b2cce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c9b32d46afab2d911897914181c488954012300"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36028.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36028"},{"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":"1b4ce2952b4f33e198d5e993acff0611dff1e399"},{"fixed":"2effe407f7563add41750fd7e03da4ea44b98099"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"32c877191e022b55fe3a374f3d7e9fb5741c514d"},{"fixed":"7e0a322877416e8c648819a8e441cf8c790b2cce"},{"fixed":"9c9b32d46afab2d911897914181c488954012300"},{"fixed":"52ccdde16b6540abe43b6f8d8e1e1ec90b0983af"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"9a1a43a0e7e96911eaa00ad20b20f2edefb31d8a"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-36028.json"}}],"schema_version":"1.7.5"}