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Mon, 12 Aug 2024 03:54:20 -0700 (PDT) Date: Mon, 12 Aug 2024 03:54:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ac2392061f7a501b@google.com> Subject: [syzbot] [mm?] kernel panic: System is deadlocked on memory (2) From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4A66780005 X-Stat-Signature: jq36aq9j4gsh7ihhfqc66hpjem3aedsi X-Rspamd-Server: rspam09 X-Rspam-User: X-HE-Tag: 1723460061-731861 X-HE-Meta: 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 Yz/5/ZFs Y2VC/c4FSZ6XsgA3A6miihpn3QHUBSC2WuSbKhRF0fQ3mBgzdIG5sowr2j8rjhIkHh2hEISKmoz176UgpyYHwZ9A4juYCItkW3x+Tco91gZDanBODtVZEvIgiG++5jJkQ/yAHaZl6B3rQQ2rHPf3Di1CIjYQmIHRyRobwXp4VjyK7COiKMNuoRcewWeCPd+iivmE98Lo2u8rKxTBIihnXLJWI6LyGq2RBIYHh00UScDT0x0VAtVqRCUPflkb3eY08obhRd6uNVn0d1p97SO2Ow9jXRVcg8mwNOdTb94s30DIewvzGmWHrZwPpKhh3g+KyJQm5sf9jRY4s7PogO002HNNgfT1dKGFDY2ne/hrGgl0SjOKQMVaiZACZ7uf6dzNvuKm9iayJ3FTpecRVwTf0X1YkTmqhCLMzCqvf8EN9W9r6TBZ+HIAj5AHOi15mR8dgMKyov0WvF/g3lxwCcoZA6TDCLW1aeJnwyTMVSARtGBWZbMzTq9wEk7Pl7ND40orDUf8WqsgggG+u0i+m+X1/RuvxuL/GOTw8kaXDpZTOEbyaYmwbX+1FG1s5LKZr2ki18Fu+PgsDsM9H0pC2EOwsDvXcbeLk+gFamjof8zpW3OCfxxxEj/FcEJhzU6AaSa4wD1ysMVFnKv5SwKiomAvths0W34heG0n/Q030gUJHQa2Y0jKT/UdNItvSGZ5d1s8merlxaqRtS6Bx0GMzhjdD8dO52ELGf96yUX+QG06NqnxKqTJroHaj4btbHeyjXN5OrMgsiwc+mdkhXdC5RM4aPfDojJ+eciUUZNYhHjOuwoTAaSTp2wdVx1ny5NrNUWr/s24xpKmAQDiCQB/K6hkT1Y2scay8qxP3iTV4XdNCXC5PSZaD9UTRHsknGvOVf0xT9Sw52D6etrjXU0iswis2i2wlXezjtwAxMQVcS6O+LWgs3yYetBJdO4vyxLtnD0bOn8NE5uxuTmG4cFsbglwIZ8d8CmMl 2xZCm5My Q48W0sFlCmIGddxVZ/0YgikZZIDB1TrSxNurWeGaprC8UUVjb3za4zxWcYwyJJaVypF1z93DR1JsA/BZDveB2FgBZLU2A9o0Uxjwu+YOWNEkMn2XWOxv0X5v/hmj3xjlxOwQ0UzD1D5f0RS8YUywGc6n9YnNm/Y5Hiz8jXxr0qanKOAqdP4v3l9Mawbska7vRrYbK1HlJrGE8BWdFLEIYWst6pA643lvovCUDA6lRTQL5qksQm4PJAb1cuxImcFl03ZLDPpnblMEkSbrKOR46BWaeJOepqoBi3jkL5DNtT1yTwXW2a5wVqA9ehGt2G7z2wyqEU5jKmU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 7c626ce4bae1 Linux 6.11-rc3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1494eced980000 kernel config: https://syzkaller.appspot.com/x/.config?x=aeb08bd34fa0ed18 dashboard link: https://syzkaller.appspot.com/bug?extid=c61d6962d0b7e698439e compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-7c626ce4.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c9ff45c7e113/vmlinux-7c626ce4.xz kernel image: https://storage.googleapis.com/syzbot-assets/f51045fd7afd/bzImage-7c626ce4.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c61d6962d0b7e698439e@syzkaller.appspotmail.com kmalloc-96 2344KB 2376KB kmem_cache_node 225KB 228KB kmem_cache 203KB 203KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 1 UID: 0 PID: 2 Comm: kthreadd Not tainted 6.11.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:119 panic+0x6f5/0x7a0 kernel/panic.c:348 out_of_memory+0x15de/0x16b0 mm/oom_kill.c:1170 __alloc_pages_may_oom mm/page_alloc.c:3614 [inline] __alloc_pages_slowpath mm/page_alloc.c:4376 [inline] __alloc_pages_noprof+0x1d89/0x2460 mm/page_alloc.c:4713 alloc_pages_mpol_noprof+0x275/0x610 mm/mempolicy.c:2263 get_free_pages_noprof+0xc/0x40 mm/page_alloc.c:4747 kasan_populate_vmalloc_pte+0x2d/0x160 mm/kasan/shadow.c:304 apply_to_pte_range mm/memory.c:2797 [inline] apply_to_pmd_range mm/memory.c:2841 [inline] apply_to_pud_range mm/memory.c:2877 [inline] apply_to_p4d_range mm/memory.c:2913 [inline] __apply_to_page_range+0x795/0xdd0 mm/memory.c:2947 alloc_vmap_area+0x93e/0x2a70 mm/vmalloc.c:2035 __get_vm_area_node+0x17e/0x2d0 mm/vmalloc.c:3119 __vmalloc_node_range_noprof+0x276/0x1520 mm/vmalloc.c:3801 alloc_thread_stack_node kernel/fork.c:313 [inline] dup_task_struct kernel/fork.c:1113 [inline] copy_process+0x29f5/0x6f50 kernel/fork.c:2204 kernel_clone+0xfd/0x980 kernel/fork.c:2781 kernel_thread+0xc0/0x100 kernel/fork.c:2843 create_kthread kernel/kthread.c:412 [inline] kthreadd+0x4ef/0x7d0 kernel/kthread.c:765 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup