syzbot


kernel BUG in resv_map_release

Status: auto-obsoleted due to no activity on 2024/03/08 23:52
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+26dcc7b3798d5bfdfbc3@syzkaller.appspotmail.com
First crash: 85d, last: 81d
Cause bisection: introduced by (bisect log) :
commit 947b031634e7af3d265275c26ec17e2f96fdb5a1
Author: Breno Leitao <leitao@debian.org>
Date: Wed Jan 17 17:10:57 2024 +0000

  mm/hugetlb: restore the reservation if needed

Crash: kernel BUG in resv_map_release (log)
Repro: C syz .config
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] kernel BUG in resv_map_release 0 (1) 2024/01/26 17:03
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/02/12 03:25 21m retest repro linux-next OK log

Sample crash report:
------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:1129!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 5066 Comm: syz-executor406 Not tainted 6.8.0-rc1-next-20240124-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:resv_map_release mm/hugetlb.c:1129 [inline]
RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1114
Code: ab ff 48 85 db 75 1d e8 eb 37 ab ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 07 fb ff e8 ce 37 ab ff 90 <0f> 0b 4c 89 ef e8 83 76 05 00 e9 3d ff ff ff 48 89 ef e8 86 75 05
RSP: 0018:ffffc900033f7b40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e0f3fb
RDX: ffff88802b4e9dc0 RSI: ffffffff81e0f422 RDI: 0000000000000007
RBP: ffff88807faaa060 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff8ae000e6 R12: ffff88807faaa060
R13: ffff88807faaa060 R14: ffff88801ea1e788 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd2783df930 CR3: 000000000d57a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 hugetlb_vm_op_close+0x4f5/0x5d0 mm/hugetlb.c:5165
 remove_vma+0x8b/0x180 mm/mmap.c:141
 exit_mmap+0x511/0xbe0 mm/mmap.c:3282
 __mmput+0x12a/0x4d0 kernel/fork.c:1343
 mmput+0x62/0x70 kernel/fork.c:1365
 exit_mm kernel/exit.c:569 [inline]
 do_exit+0x999/0x2ac0 kernel/exit.c:858
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1020
 __do_sys_exit_group kernel/exit.c:1031 [inline]
 __se_sys_exit_group kernel/exit.c:1029 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1029
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fd2783fdc39
Code: Unable to access opcode bytes at 0x7fd2783fdc0f.
RSP: 002b:00007ffd48dc35f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2783fdc39
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fd278478270 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000002012 R11: 0000000000000246 R12: 00007fd278478270
R13: 0000000000000000 R14: 00007fd278478cc0 R15: 00007fd2783cfa30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:resv_map_release mm/hugetlb.c:1129 [inline]
RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1114
Code: ab ff 48 85 db 75 1d e8 eb 37 ab ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 07 fb ff e8 ce 37 ab ff 90 <0f> 0b 4c 89 ef e8 83 76 05 00 e9 3d ff ff ff 48 89 ef e8 86 75 05
RSP: 0018:ffffc900033f7b40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e0f3fb
RDX: ffff88802b4e9dc0 RSI: ffffffff81e0f422 RDI: 0000000000000007
RBP: ffff88807faaa060 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff8ae000e6 R12: ffff88807faaa060
R13: ffff88807faaa060 R14: ffff88801ea1e788 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd2783df930 CR3: 000000000d57a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/24 11:36 linux-next 8bf1262c53f5 1e153dc8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 23:51 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 23:50 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 23:27 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 18:52 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 14:04 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 13:43 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 09:59 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 06:35 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 05:33 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/28 05:20 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:30 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:28 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:18 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:09 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:08 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:08 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:00 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:00 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 18:00 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 17:53 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 11:06 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/27 05:02 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/26 21:34 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/26 21:26 linux-next 01af33cc9894 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/25 12:42 linux-next 01af33cc9894 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/25 11:51 linux-next 01af33cc9894 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/25 08:10 linux-next 01af33cc9894 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/25 07:26 linux-next 01af33cc9894 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/25 05:46 linux-next 01af33cc9894 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/24 14:20 linux-next 8bf1262c53f5 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/24 10:00 linux-next 8bf1262c53f5 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/24 09:32 linux-next 8bf1262c53f5 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
2024/01/24 07:34 linux-next 8bf1262c53f5 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in resv_map_release
* Struck through repros no longer work on HEAD.