syzbot


WARNING in split_huge_page_to_list (2)

Status: upstream: reported C repro on 2022/08/23 22:08
Reported-by: syzbot+07a218429c8d19b1fb25@syzkaller.appspotmail.com
First crash: 99d, last: 1d09h

Cause bisection: failed (bisect log)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING: CPU: NUM PID: NUM at mm/huge_memory.c:LINE split_huge_page_to_l C 1 99d 95d 0/24 closed as dup on 2022/09/02 12:32
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in split_huge_page_to_list 13 436d 463d 0/24 auto-closed as invalid on 2022/01/15 05:12

Sample crash report:
 io_mem_free.part.0+0xb0/0xb9 io_uring/io_uring.c:2463
 io_mem_free io_uring/io_uring.c:2458 [inline]
 io_ring_ctx_free io_uring/io_uring.c:2628 [inline]
 io_ring_exit_work+0xa70/0xc2e io_uring/io_uring.c:2789
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3771 at mm/huge_memory.c:2465 __split_huge_page_tail mm/huge_memory.c:2465 [inline]
WARNING: CPU: 0 PID: 3771 at mm/huge_memory.c:2465 __split_huge_page mm/huge_memory.c:2527 [inline]
WARNING: CPU: 0 PID: 3771 at mm/huge_memory.c:2465 split_huge_page_to_list+0x3586/0x4530 mm/huge_memory.c:2756
Modules linked in:
CPU: 0 PID: 3771 Comm: syz-executor338 Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:__split_huge_page_tail mm/huge_memory.c:2465 [inline]
RIP: 0010:__split_huge_page mm/huge_memory.c:2527 [inline]
RIP: 0010:split_huge_page_to_list+0x3586/0x4530 mm/huge_memory.c:2756
Code: 40 ec af ff 45 84 f6 0f 85 3c dc ff ff e8 a2 ef af ff 48 8b 7c 24 08 48 c7 c6 00 90 fa 89 e8 e1 5a e6 ff c6 05 59 c8 ff 0b 01 <0f> 0b e9 18 dc ff ff e8 7e ef af ff 4c 8b 7c 24 08 31 ff 4c 89 fd
RSP: 0018:ffffc90003c0f2d0 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffea0001740000 RCX: 0000000000000000
RDX: ffff8880249a57c0 RSI: ffffffff81cc9b5f RDI: ffffffff8de21350
RBP: ffffea0001746c00 R08: 0000000000000000 R09: ffffffff8de21357
R10: 0000000000000000 R11: 6f72665f74657220 R12: ffffea0001746c08
R13: ffffea0001746c28 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555556961300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001304 CR3: 000000001d98b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 split_huge_page include/linux/huge_mm.h:188 [inline]
 deferred_split_scan+0x6d5/0xdd0 mm/huge_memory.c:2882
 do_shrink_slab+0x464/0xce0 mm/vmscan.c:842
 shrink_slab_memcg mm/vmscan.c:911 [inline]
 shrink_slab+0x388/0x660 mm/vmscan.c:990
 shrink_node_memcgs mm/vmscan.c:6076 [inline]
 shrink_node+0x93d/0x1f30 mm/vmscan.c:6105
 shrink_zones mm/vmscan.c:6343 [inline]
 do_try_to_free_pages+0x3b4/0x17a0 mm/vmscan.c:6405
 try_to_free_mem_cgroup_pages+0x3a0/0xa70 mm/vmscan.c:6720
 try_charge_memcg+0x464/0x12f0 mm/memcontrol.c:2681
 try_charge mm/memcontrol.c:2823 [inline]
 mem_cgroup_charge_skmem+0x7c/0x1c0 mm/memcontrol.c:7209
 sock_reserve_memory net/core/sock.c:1018 [inline]
 sk_setsockopt+0x806/0x37c0 net/core/sock.c:1518
 __sys_setsockopt+0x559/0x690 net/socket.c:2248
 __do_sys_setsockopt net/socket.c:2263 [inline]
 __se_sys_setsockopt net/socket.c:2260 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2260
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fed494a8ee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 00 00 90 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:00007ffdaa17d978 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fed494a8ee9
RDX: 0000000000000049 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000010 R09: 00007ffdaa17d9a0
R10: 0000000020000040 R11: 0000000000000246 R12: 00007ffdaa17d99c
R13: 00007ffdaa17d9b0 R14: 00007ffdaa17d9f0 R15: 00000000000000a5
 </TASK>

Crashes (1562):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2022/10/22 15:54 upstream 4da34b7d175d c0b80a55 .config log report syz C WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/08/20 14:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 680fb5b009e8 26a13b38 .config log report syz C WARNING in split_huge_page_to_list
ci-qemu-upstream 2022/11/03 18:36 upstream 200204f56f3b 7a2ebf95 .config log report info WARNING in split_huge_page_to_list
ci-upstream-kasan-gce-selinux-root 2022/11/03 13:03 upstream b229b6ca5abb 7a2ebf95 .config log report info WARNING in split_huge_page_to_list
ci-upstream-kasan-gce-root 2022/11/03 11:42 upstream b229b6ca5abb 7a2ebf95 .config log report info WARNING in split_huge_page_to_list
ci-upstream-kasan-gce 2022/11/02 21:36 upstream b229b6ca5abb 08977f5d .config log report info WARNING in split_huge_page_to_list
ci-qemu-upstream-386 2022/11/03 06:02 upstream 200204f56f3b b7c72847 .config log report info WARNING in split_huge_page_to_list
ci-upstream-kasan-gce-386 2022/11/03 00:19 upstream b229b6ca5abb 08977f5d .config log report info WARNING in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2022/11/02 11:28 linux-next 4d48f589d294 edac4fd1 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/26 06:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f 74a66371 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/25 03:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 65762d97e6fa 62e26685 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/24 20:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 65762d97e6fa 62e26685 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/22 18:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 65762d97e6fa 9da37ae8 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/22 16:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/22 15:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/22 13:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/22 10:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 22:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 21:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 19:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 16:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 1c576c23 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 14:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 13:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 09:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 08:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 07:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/21 02:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/20 18:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/20 15:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/20 10:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/20 08:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/20 03:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/20 00:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/19 18:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/19 16:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/19 08:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/19 06:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/18 20:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/18 15:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/18 11:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/18 10:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/18 05:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/18 04:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/17 21:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/17 19:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/17 18:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/17 07:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/16 20:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/16 11:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/16 02:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/16 00:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/11/15 08:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9e4ce762f0e7 97de9cfc .config log report info WARNING in split_huge_page_to_list
ci-upstream-gce-arm64 2022/08/19 22:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 680fb5b009e8 26a13b38 .config log report info WARNING in split_huge_page_to_list
* Struck through repros no longer work on HEAD.