CVE-2024-36028
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-36028
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-36028.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2024-36028
- Downstream
- Related
- Published
- 2024-05-30T15:19:42Z
- Modified
- 2025-10-17T06:43:41.953977Z
- 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:
mm/hugetlb: fix DEBUGLOCKSWARNON(1) when dissolvefreehugetlbfolio()
When I did memory failure tests recently, below warning occurs:
DEBUGLOCKSWARNON(1) WARNING: CPU: 8 PID: 1011 at kernel/locking/lockdep.c:232 lockacquire+0xccb/0x1ca0 Modules linked in: mceinject hwpoisoninject CPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:lockacquire+0xccb/0x1ca0 RSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082 RAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8 RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0 RBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb R10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10 R13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004 FS: 00007ff9f32aa740(0000) GS:ffffa1ce5fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9f3134ba0 CR3: 00000008484e4000 CR4: 00000000000006f0 Call Trace: <TASK> lockacquire+0xbe/0x2d0 rawspinlockirqsave+0x3a/0x60 hugepagesubpoolputpages.part.0+0xe/0xc0 freehugefolio+0x253/0x3f0 dissolvefreehugepage+0x147/0x210 pagehandlepoison+0x9/0x70 memoryfailure+0x4e6/0x8c0 hardofflinepagestore+0x55/0xa0 kernfsfopwriteiter+0x12c/0x1d0 vfswrite+0x380/0x540 ksyswrite+0x64/0xe0 dosyscall64+0xbc/0x1d0 entrySYSCALL64afterhwframe+0x77/0x7f RIP: 0033:0x7ff9f3114887 RSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIGRAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887 RDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001 RBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c R13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00 </TASK> Kernel panic - not syncing: kernel: paniconwarn set ... CPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> panic+0x326/0x350 checkpaniconwarn+0x4f/0x50 _warn+0x98/0x190 reportbug+0x18e/0x1a0 handlebug+0x3d/0x70 excinvalidop+0x18/0x70 asmexcinvalidop+0x1a/0x20 RIP: 0010:lockacquire+0xccb/0x1ca0 RSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082 RAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8 RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0 RBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb R10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10 R13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004 lockacquire+0xbe/0x2d0 _rawspinlockirqsave+0x3a/0x60 hugepagesubpoolputpages.part.0+0xe/0xc0 freehugefolio+0x253/0x3f0 dissolvefreehugepage+0x147/0x210 _pagehandlepoison+0x9/0x70 memoryfailure+0x4e6/0x8c0 hardofflinepagestore+0x55/0xa0 kernfsfopwriteiter+0x12c/0x1d0 vfswrite+0x380/0x540 ksyswrite+0x64/0xe0 dosyscall64+0xbc/0x1d0 entrySYSCALL64afterhwframe+0x77/0x7f RIP: 0033:0x7ff9f3114887 RSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887 RDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001 RBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c R13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00 </TASK>
After git bisecting and digging into the code, I believe the root cause is that deferredlist field of folio is unioned with hugetlbsubpool field. In _updateandfreehugetlbfolio(), folio->deferred_ ---truncated---
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2effe407f7563add41750fd7e03da4ea44b98099
- https://git.kernel.org/stable/c/52ccdde16b6540abe43b6f8d8e1e1ec90b0983af
- https://git.kernel.org/stable/c/7e0a322877416e8c648819a8e441cf8c790b2cce
- https://git.kernel.org/stable/c/9c9b32d46afab2d911897914181c488954012300
Affected packages
Git / 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
-
Introduced1b4ce2952b4f33e198d5e993acff0611dff1e399Fixed2effe407f7563add41750fd7e03da4ea44b98099
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced32c877191e022b55fe3a374f3d7e9fb5741c514dFixed7e0a322877416e8c648819a8e441cf8c790b2cce
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced32c877191e022b55fe3a374f3d7e9fb5741c514dFixed9c9b32d46afab2d911897914181c488954012300
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced32c877191e022b55fe3a374f3d7e9fb5741c514dFixed52ccdde16b6540abe43b6f8d8e1e1ec90b0983af
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected9a1a43a0e7e96911eaa00ad20b20f2edefb31d8a