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WARNING in vma_merge_existing_range

Status: upstream: reported on 2025/01/01 04:50
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+46423ed8fa1f1148c6e4@syzkaller.appspotmail.com
Fix commit: 47b16d0462a4 mm: abort vma_modify() on merge out of memory failure
Patched on: [ci-qemu-gce-upstream-auto ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-native-arm64-kvm ci-qemu2-arm32 ci-qemu2-riscv64]
First crash: 106d, last: 2d13h
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[PATCH] mm: abort vma_modify() on merge out of memory failure 1 (1) 2025/02/22 16:19
[syzbot] [mm?] WARNING in vma_merge_existing_range 7 (8) 2025/01/07 10:15

Sample crash report:
0000000000000000
    7ffdcec1c000-7ffdcec3cfff: ffff888033450500
    7ffdcec3d000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9688 at mm/vma.c:759 vma_merge_existing_range+0x1390/0x16c0 mm/vma.c:759
Modules linked in:
CPU: 0 UID: 0 PID: 9688 Comm: syz.3.1134 Not tainted 6.15.0-rc1-syzkaller-00095-g2eb959eeecc6 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:vma_merge_existing_range+0x1390/0x16c0 mm/vma.c:759
Code: e9 ff ef ff ff e8 40 7e a7 ff 90 0f 0b 90 e9 f3 ee ff ff e8 32 7e a7 ff 48 8b 7c 24 08 48 c7 c6 00 54 56 8c e8 f1 94 f1 ff 90 <0f> 0b 90 e9 68 ef ff ff e8 13 7e a7 ff e9 cc f0 ff ff e8 09 7e a7
RSP: 0018:ffffc9000adffa60 EFLAGS: 00010286
RAX: ffffffff8c20cff5 RBX: 0000200000000000 RCX: ffff88801d6c1e00
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc9000adffb90 R08: ffffffff8c20cef0 R09: 1ffff920015bfeb4
R10: dffffc0000000000 R11: fffff520015bfeb5 R12: 0000200000800000
R13: ffffc9000adffc40 R14: ffffc9000adffc60 R15: 0000200000000000
FS:  00007f71279f66c0(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14567a7bac CR3: 000000007ae98000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vma_modify+0x76/0x390 mm/vma.c:1531
 vma_modify_flags+0x3b2/0x430 mm/vma.c:1565
 mlock_fixup+0x21a/0x350 mm/mlock.c:483
 apply_mlockall_flags+0x309/0x410 mm/mlock.c:736
 __do_sys_munlockall+0x10a/0x220 mm/mlock.c:782
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7129b8d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f71279f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007f7129da6080 RCX: 00007f7129b8d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f71279f6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 00007f7129da6080 R15: 00007ffdcec3aca8
 </TASK>

Crashes (42):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/11 02:28 upstream 2eb959eeecc6 1bc60a19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/04/11 00:54 upstream ab59a8605604 1bc60a19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/04/10 01:55 upstream a24588245776 988b336c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/09 05:34 upstream bec7dcbc242c b133e63a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/04/09 03:14 upstream bec7dcbc242c b133e63a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/08 00:32 upstream 0af2f6be1b42 a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in vma_merge_existing_range
2025/04/05 14:53 upstream a8662bcd2ff1 1c65791e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/04 08:37 upstream a2cc6ff5ec8f d7ae3a11 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/04/02 16:36 upstream acc4d5ff0b61 c799dfdd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/02 11:51 upstream acc4d5ff0b61 c799dfdd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/28 14:10 upstream acb4f33713b9 49900278 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/28 01:24 upstream 1a9239bb4253 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/03/28 01:18 upstream 1a9239bb4253 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/03/27 16:06 upstream 1e1ba8d23dae 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/26 07:58 upstream 2df0c02dab82 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/03/25 22:30 upstream 2df0c02dab82 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/03/22 02:05 upstream 88d324e69ea9 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/21 12:31 upstream b3ee1e460951 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in vma_merge_existing_range
2025/03/21 12:12 upstream b3ee1e460951 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/21 00:34 upstream 5fc319360819 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/03/19 08:59 upstream 81e4f8d68c66 8d0a2921 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/03/16 10:26 upstream cb82ca153949 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/16 10:24 upstream cb82ca153949 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/03/15 14:56 upstream a29967be967e e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/03/13 02:02 upstream 0fed89a961ea 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/03/09 22:38 upstream 1110ce6a1e34 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/03/09 19:51 upstream 1110ce6a1e34 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/03/28 19:23 upstream acb4f33713b9 49900278 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in vma_merge_existing_range
2025/03/27 22:53 upstream 1a9239bb4253 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in vma_merge_existing_range
2025/03/27 21:17 upstream 1a9239bb4253 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in vma_merge_existing_range
2024/12/28 04:39 upstream 8379578b11d5 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in vma_merge_existing_range
2025/04/07 01:33 upstream 0af2f6be1b42 1c65791e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/01 10:49 upstream 08733088b566 36d76a97 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/03/27 19:34 upstream 1a9239bb4253 928390c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/03/24 02:20 upstream 586de92313fc 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/03/09 16:21 upstream 1110ce6a1e34 163f510d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/03/27 23:01 upstream 1a9239bb4253 928390c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in vma_merge_existing_range
2025/03/27 21:57 upstream 1a9239bb4253 928390c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in vma_merge_existing_range
2025/03/15 19:27 upstream 3571e8b091f4 e2826670 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in vma_merge_existing_range
2025/04/06 23:50 linux-next a4cda136f021 1c65791e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vma_merge_existing_range
2025/04/02 20:55 linux-next fefb886b1344 c799dfdd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vma_merge_existing_range
2025/03/17 01:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5618886fdab e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vma_merge_existing_range
* Struck through repros no longer work on HEAD.