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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-native-arm64-kvm ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 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-qemu2-riscv64]
First crash: 153d, last: 7h45m
▶ ▼ 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:
    7fc13bab7000-7fc13bad6fff: ffff888064b543c0
    7fc13bad7000-7fc13badafff: ffff88802f23a500
    7fc13badb000-7fc13badcfff: ffff888026e75c80
    7fc13badd000-7fc13badefff: ffff888026e75000
    7fc13badf000-7ffda74b8fff: 0000000000000000
    7ffda74b9000-7ffda74d9fff: ffff888026e75500
    7ffda74da000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6965 at mm/vma.c:768 vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768
Modules linked in:
CPU: 1 UID: 0 PID: 6965 Comm: syz.2.215 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768
Code: 0b 90 e9 52 f0 ff ff e8 87 12 ad ff 90 0f 0b 90 e9 87 ef ff ff e8 79 12 ad ff 48 89 df 48 c7 c6 40 74 96 8b e8 fa a7 f2 ff 90 <0f> 0b 90 e9 ff ef ff ff e8 5c 12 ad ff e9 04 f1 ff ff e8 52 12 ad
RSP: 0018:ffffc90003a0faf8 EFLAGS: 00010286
RAX: ffffffff8b5567cd RBX: ffffc90003a0fc40 RCX: ffff8880248b9e00
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: 0000200000800000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa66c R12: ffff88807ab51280
R13: 1ffff92000741f8c R14: 0000200000000000 R15: 0000200000000000
FS:  00007fc13ba946c0(0000) GS:ffff888125d98000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0fdfda6b60 CR3: 0000000061d7a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vma_modify+0x76/0x460 mm/vma.c:1564
 vma_modify_flags+0x1e8/0x230 mm/vma.c:1605
 mlock_fixup+0x22a/0x360 mm/mlock.c:483
 apply_mlockall_flags+0x2f0/0x3c0 mm/mlock.c:736
 __ia32_sys_munlockall+0x10a/0x220 mm/mlock.c:782
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc13ab8e969
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:00007fc13ba94038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007fc13adb6160 RCX: 00007fc13ab8e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc13ba94090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 00007fc13adb6160 R15: 00007ffda74d8158
 </TASK>

Crashes (86):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/29 23:59 upstream e0797d3b91de 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/05/23 12:13 upstream 94305e83eccb fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/05/22 21:55 upstream 5cdb2c77c4c3 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/05/16 09:13 upstream fee3e843b309 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in vma_merge_existing_range
2025/05/15 07:01 upstream 546bce579204 a4fa04ef .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/05/14 05:10 upstream 405e6c37c89e 7344edeb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/05/10 10:39 upstream 0e1329d4045c 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/05/10 00:13 upstream 3013c33dcbd9 bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/05/09 10:07 upstream 9c69f8884904 bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/05/06 05:47 upstream 01f95500a162 ae98e6b9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/05/03 06:42 upstream 2bfcee565c3a b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in vma_merge_existing_range
2025/05/02 10:02 upstream ebd297a2affa 51b137cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/05/01 12:03 upstream 4f79eaa2ceac ce7952f4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/05/01 01:50 upstream b6ea1680d0ac ce7952f4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/30 19:54 upstream b6ea1680d0ac ce7952f4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/30 04:56 upstream 8bac8898fe39 85a5a23f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/04/29 00:58 upstream f15d97df5afa c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/26 02:31 upstream 02ddfb981de8 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/21 22:39 upstream 9d7a0577c9db 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/04/21 19:13 upstream 9d7a0577c9db 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/04/21 00:09 upstream 6fea5fabd332 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/04/19 21:06 upstream 8560697b23dc 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vma_merge_existing_range
2025/04/19 18:58 upstream 8560697b23dc 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
2025/04/19 11:29 upstream 3088d26962e8 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in vma_merge_existing_range
2025/04/18 17:30 upstream fc96b232f8e7 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vma_merge_existing_range
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
2025/03/16 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
2025/05/23 00:49 upstream 5cdb2c77c4c3 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in vma_merge_existing_range
2025/05/21 01:11 upstream b36ddb9210e6 8f9cf946 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in vma_merge_existing_range
2025/04/20 11:18 upstream 6fea5fabd332 2a20f901 .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
2025/05/06 01:58 upstream 01f95500a162 ae98e6b9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/28 21:56 upstream f15d97df5afa aeb6ec69 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/25 23:14 upstream c3137514f1f1 c6b4fb39 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/22 16:41 upstream a33b5a08cbbd 53a8b9bd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/21 11:05 upstream 9d7a0577c9db 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/20 06:39 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vma_merge_existing_range
2025/04/19 15:06 upstream 8560697b23dc 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root 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
2025/03/09 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
2025/05/23 05:57 upstream a11a72229881 fa44301a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in vma_merge_existing_range
2025/05/11 04:01 upstream 3ce9925823c7 77908e5f .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
2025/05/20 03:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a82e92598ab1 8f9cf946 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vma_merge_existing_range
2025/05/12 21:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c32f8dc5aaf9 f6671af7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vma_merge_existing_range
2025/05/08 08:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e0f4c8dd9d2d dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vma_merge_existing_range
2025/04/17 18:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c72692105976 2a6ededb .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.