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Thu, 01 Jul 2021 04:00:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=9c2b6EZqVSgPovP0ldDl5Q0+VuIyN7KqLDPJPk7apAQ=; b=BNudOz+Ktsl5FLN96FcJyJ5FIDR6nh+afgYbeymRJZXOV+FaB+J54+nDYY89lDN/RC +1r4KVNWFrxmBq4m5bos3A6MwExl8mHveh794r5cHSt9QxAnIlWYV2S+LpWx6qC2c96/ eKhmas03Zd8Zls/TFJNacYxFBemggZVlv6etxqruf8wKqfTkGQRuYYtqlCdrpnUiW/WK 33uB9p4GSxziBTcdkk/EOPtsY1aa13h8C2bT58eVC9wQgeXHMx9Xsrf+ikprf+4ua+e6 Do+ZHDF/30Kl+OtsozYODafnt9ZkwtNCRUJBWCeWbPlyP7B0cryCVTMbp/KKGKNTI4Yb q2hQ== X-Gm-Message-State: AOAM530NtKZhYs0QOHJ14MnYQ489hjePmZQQbXAjx0TgfIqPoun49K5q 4mPsHgdkaKdFS+MyWfHfc3DHBZpvKGegnuhGVF2IzQCBim5u X-Google-Smtp-Source: ABdhPJz+h1+DziMAADmtmdNQVKeuz3EcGt5iyJdSiVrE/kwIjNMfy2pF42YctA5Pi2EARisXXYHsb3DMe/OdhM7ERRQM2R3N3gdJ MIME-Version: 1.0 X-Received: by 2002:a05:6602:19:: with SMTP id b25mr4190322ioa.93.1625137218484; Thu, 01 Jul 2021 04:00:18 -0700 (PDT) Date: Thu, 01 Jul 2021 04:00:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009e7f6405c60dbe3b@google.com> Subject: [syzbot] upstream test error: BUG: sleeping function called from invalid context in stack_depot_save 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-Server: rspam05 X-Rspamd-Queue-Id: 1099CF007C03 X-Stat-Signature: gu7awnsjg88wxzkrwy7nn449h43s4ufg Authentication-Results: imf11.hostedemail.com; dkim=none; spf=pass (imf11.hostedemail.com: domain of 3QqDdYAkbAAcz56rhsslyhwwpk.nvvnsl1zlyjvu0lu0.jvt@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.198 as permitted sender) smtp.mailfrom=3QqDdYAkbAAcz56rhsslyhwwpk.nvvnsl1zlyjvu0lu0.jvt@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) X-HE-Tag: 1625137218-701262 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: Hello, syzbot found the following issue on: HEAD commit: dbe69e43 Merge tag 'net-next-5.14' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1216d478300000 kernel config: https://syzkaller.appspot.com/x/.config?x=47e4697be2f5b985 dashboard link: https://syzkaller.appspot.com/bug?extid=e45919db2eab5e837646 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e45919db2eab5e837646@syzkaller.appspotmail.com BUG: sleeping function called from invalid context at mm/page_alloc.c:5179 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8436, name: syz-fuzzer INFO: lockdep is turned off. irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1e1b/0x74c0 kernel/fork.c:2061 softirqs last enabled at (0): [] copy_process+0x1e5c/0x74c0 kernel/fork.c:2065 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 PID: 8436 Comm: syz-fuzzer Tainted: G W 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:96 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9153 prepare_alloc_pages+0x3da/0x580 mm/page_alloc.c:5179 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5375 alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2272 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2445 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5313 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2775 [inline] __vmalloc_area_node mm/vmalloc.c:2845 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2947 __vmalloc_node mm/vmalloc.c:2996 [inline] vzalloc+0x67/0x80 mm/vmalloc.c:3066 n_tty_open+0x16/0x170 drivers/tty/n_tty.c:1914 tty_ldisc_open+0x9b/0x110 drivers/tty/tty_ldisc.c:464 tty_ldisc_setup+0x43/0x100 drivers/tty/tty_ldisc.c:781 tty_init_dev.part.0+0x1f4/0x610 drivers/tty/tty_io.c:1461 tty_init_dev include/linux/err.h:36 [inline] tty_open_by_driver drivers/tty/tty_io.c:2102 [inline] tty_open+0xb16/0x1000 drivers/tty/tty_io.c:2150 chrdev_open+0x266/0x770 fs/char_dev.c:414 do_dentry_open+0x4c8/0x11c0 fs/open.c:826 do_open fs/namei.c:3361 [inline] path_openat+0x1c0e/0x27e0 fs/namei.c:3494 do_filp_open+0x190/0x3d0 fs/namei.c:3521 do_sys_openat2+0x16d/0x420 fs/open.c:1195 do_sys_open fs/open.c:1211 [inline] __do_sys_openat fs/open.c:1227 [inline] __se_sys_openat fs/open.c:1222 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1222 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+0x44/0xae RIP: 0033:0x4af20a Code: e8 3b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 RSP: 002b:000000c0003293f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af20a RDX: 0000000000000000 RSI: 000000c0001a5a50 RDI: ffffffffffffff9c RBP: 000000c000329470 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000000001a6 R13: 00000000000001a5 R14: 0000000000000200 R15: 000000c00029c280 can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. --- 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.