syzbot


WARNING in vma_merge

Status: upstream: reported C repro on 2023/05/01 02:50
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+9749096fddfa5953a6a9@syzkaller.appspotmail.com
First crash: 390d, last: 200d
Bug presence (2)
Date Name Commit Repro Result
2023/05/09 linux-6.1.y (ToT) ca48fc16c493 C [report] WARNING in vma_merge
2023/05/09 upstream (ToT) ba0ad6ed89fd C Didn't crash
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in vma_merge mm C done 18115 180d 759d 1/26 upstream: reported C repro on 2022/04/27 12:43
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/09/07 20:33 2h03m fix candidate upstream job log (0)

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3538 at mm/mmap.c:1027 vma_merge+0x9a5/0xa30
Modules linked in:
CPU: 1 PID: 3538 Comm: syz-executor288 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:vma_merge+0x9a5/0xa30 mm/mmap.c:1027
Code: ff e8 0f 51 bb ff 0f 0b e9 ba fa ff ff e8 03 51 bb ff 0f 0b e9 60 f8 ff ff e8 f7 50 bb ff 0f 0b e9 f6 f9 ff ff e8 eb 50 bb ff <0f> 0b e9 3e fa ff ff e8 df 50 bb ff 0f 0b e9 e4 fb ff ff 48 c7 c1
RSP: 0018:ffffc90003bcfb20 EFLAGS: 00010293
RAX: ffffffff81ce77d5 RBX: 0000000021000000 RCX: ffff888020303a80
RDX: 0000000000000000 RSI: 0000000021000000 RDI: 0000000020a97000
RBP: ffffc90003bcfc10 R08: ffffffff81ce720c R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888075a14000
R13: 0000000020a97000 R14: 0000000020ffd000 R15: ffff88802777d438
FS:  0000555555d9c300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000078ef6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mbind_range+0x3dc/0x790 mm/mempolicy.c:809
 do_mbind mm/mempolicy.c:1322 [inline]
 kernel_mbind mm/mempolicy.c:1479 [inline]
 __do_sys_mbind mm/mempolicy.c:1554 [inline]
 __se_sys_mbind+0x792/0xac0 mm/mempolicy.c:1550
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fab3bf78ff9
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8a0e1668 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab3bf78ff9
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: 0000000020400000
RBP: 00007fab3bf3cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fab3bf3d070
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (459):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/02 05:57 linux-6.1.y ca48fc16c493 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/08/10 08:23 linux-6.1.y 0a4a7855302d 13ca4cd6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/05/02 07:36 linux-6.1.y ca48fc16c493 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/05/01 13:44 linux-6.1.y ca48fc16c493 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/05 23:53 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/10/29 17:05 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/10/28 15:49 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/10/28 14:29 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/10/28 14:29 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/10/21 19:01 linux-6.1.y 7d24402875c7 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
2023/11/07 06:38 linux-6.1.y 4a61839152cc 83211397 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/07 03:28 linux-6.1.y 4a61839152cc 83211397 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/06 17:33 linux-6.1.y 4a61839152cc 78fae24e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/06 12:56 linux-6.1.y 4a61839152cc 78fae24e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/05 19:33 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/03 23:26 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/03 22:08 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/03 20:00 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/03 14:47 linux-6.1.y 4a61839152cc c4ac074c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/03 00:05 linux-6.1.y 4a61839152cc c4ac074c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/02 22:53 linux-6.1.y 4a61839152cc c4ac074c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/02 20:58 linux-6.1.y 4a61839152cc c4ac074c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/02 12:43 linux-6.1.y 4a61839152cc 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/02 10:58 linux-6.1.y 4a61839152cc 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/02 09:26 linux-6.1.y 4a61839152cc 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/01 07:05 linux-6.1.y 32c9cdbe383c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/11/01 05:12 linux-6.1.y 32c9cdbe383c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/31 16:48 linux-6.1.y 32c9cdbe383c 58499c95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/31 14:55 linux-6.1.y 32c9cdbe383c 58499c95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/31 13:52 linux-6.1.y 32c9cdbe383c 58499c95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/31 05:36 linux-6.1.y 32c9cdbe383c b5729d82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/30 15:27 linux-6.1.y 32c9cdbe383c b5729d82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/30 14:23 linux-6.1.y 32c9cdbe383c b5729d82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/30 06:51 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/29 13:57 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/28 17:14 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/27 18:33 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/27 15:28 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/27 03:32 linux-6.1.y 32c9cdbe383c bf285f0c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/27 02:23 linux-6.1.y 32c9cdbe383c bf285f0c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/26 15:24 linux-6.1.y 32c9cdbe383c 23afc60f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/26 13:54 linux-6.1.y 32c9cdbe383c 23afc60f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/25 21:10 linux-6.1.y 32c9cdbe383c 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/25 19:24 linux-6.1.y 32c9cdbe383c 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/25 15:21 linux-6.1.y 32c9cdbe383c 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/25 12:55 linux-6.1.y 32c9cdbe383c 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/24 22:16 linux-6.1.y 7d24402875c7 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/24 20:47 linux-6.1.y 7d24402875c7 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/24 04:43 linux-6.1.y 7d24402875c7 af8d2e46 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/24 03:12 linux-6.1.y 7d24402875c7 af8d2e46 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/23 23:05 linux-6.1.y 7d24402875c7 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/23 17:30 linux-6.1.y 7d24402875c7 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/10/23 13:40 linux-6.1.y 7d24402875c7 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vma_merge
2023/05/01 02:49 linux-6.1.y ca48fc16c493 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vma_merge
* Struck through repros no longer work on HEAD.