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Tsirkin" To: syzbot Subject: Re: [syzbot] upstream boot error: WARNING in cpumask_next_wrap Message-ID: <20221011170435-mutt-send-email-mst@kernel.org> References: <0000000000003fac9905eabe4964@google.com> MIME-Version: 1.0 In-Reply-To: <0000000000003fac9905eabe4964@google.com> X-Mimecast-Spam-Score: 1 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: hawk@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, john.fastabend@gmail.com, ast@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, edumazet@google.com, kuba@kernel.org, bpf@vger.kernel.org, pabeni@redhat.com, virtualization@lists.linux-foundation.org, davem@davemloft.net X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Tue, Oct 11, 2022 at 01:44:37AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: e2302539dd4f Merge tag 'xtensa-20221010' of https://github.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=105b851a880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=1370a7ded58197a2 > dashboard link: https://syzkaller.appspot.com/bug?extid=51a652e2d24d53e75734 > compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/f6eb85afda26/disk-e2302539.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/6091bfed3009/vmlinux-e2302539.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+51a652e2d24d53e75734@syzkaller.appspotmail.com #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git d5c59b2d8ff42128b3e8af65d08c47550af1e9a4 > ACPI: button: Sleep Button [SLPF] > ACPI: \_SB_.LNKC: Enabled at IRQ 11 > virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver > ACPI: \_SB_.LNKD: Enabled at IRQ 10 > virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver > ACPI: \_SB_.LNKB: Enabled at IRQ 10 > virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver > virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver > N_HDLC line discipline registered with maxframe=4096 > Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled > 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A > 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A > 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A > 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A > Non-volatile memory driver v1.3 > Linux agpgart interface v0.103 > ACPI: bus type drm_connector registered > [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 > [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 > Console: switching to colour frame buffer device 128x48 > platform vkms: [drm] fb0: vkmsdrmfb frame buffer device > usbcore: registered new interface driver udl > brd: module loaded > loop: module loaded > zram: Added device: zram0 > null_blk: disk nullb0 created > null_blk: module loaded > Guest personality initialized and is inactive > VMCI host device registered (name=vmci, major=10, minor=120) > Initialized host personality > usbcore: registered new interface driver rtsx_usb > usbcore: registered new interface driver viperboard > usbcore: registered new interface driver dln2 > usbcore: registered new interface driver pn533_usb > nfcsim 0.2 initialized > usbcore: registered new interface driver port100 > usbcore: registered new interface driver nfcmrvl > Loading iSCSI transport class v2.0-870. > scsi host0: Virtio SCSI HBA > st: Version 20160209, fixed bufsize 32768, s/g segs 256 > Rounding down aligned max_sectors from 4294967295 to 4294967288 > db_root: cannot open: /etc/target > slram: not enough parameters. > ftl_cs: FTL header not found. > wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. > wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. > eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) > MACsec IEEE 802.1AE > tun: Universal TUN/TAP device driver, 1.6 > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 cpumask_check include/linux/cpumask.h:117 [inline] > WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 cpumask_next include/linux/cpumask.h:178 [inline] > WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 cpumask_next_wrap+0x11c/0x1c0 lib/cpumask.c:27 > Modules linked in: > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-syzkaller-10145-ge2302539dd4f #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 > RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:110 [inline] > RIP: 0010:cpumask_check include/linux/cpumask.h:117 [inline] > RIP: 0010:cpumask_next include/linux/cpumask.h:178 [inline] > RIP: 0010:cpumask_next_wrap+0x11c/0x1c0 lib/cpumask.c:27 > Code: a6 00 00 00 e8 b5 34 62 f7 48 8b 04 24 41 bd ff ff ff ff 45 31 e4 48 b9 00 00 00 00 00 fc ff df e9 39 ff ff ff e8 94 34 62 f7 <0f> 0b e9 59 ff ff ff 48 c7 c1 b8 f2 0c 8e 80 e1 07 80 c1 03 38 c1 > RSP: 0000:ffffc90000067218 EFLAGS: 00010293 > RAX: ffffffff8a255bdc RBX: 0000000000000002 RCX: ffff888012278000 > RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 > RBP: 0000000000000002 R08: ffffffff8a255b2f R09: fffff5200000ce5d > R10: fffff5200000ce5d R11: 1ffff9200000ce5c R12: 0000000000000001 > R13: 0000000000000001 R14: 1ffffffff1c19e57 R15: 0000000000000002 > FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: ffff88823ffff000 CR3: 000000000c88e000 CR4: 00000000003506f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > > virtnet_set_affinity+0x2be/0x6f0 drivers/net/virtio_net.c:2303 > init_vqs+0x107c/0x11d0 drivers/net/virtio_net.c:3581 > virtnet_probe+0x198d/0x3120 drivers/net/virtio_net.c:3884 > virtio_dev_probe+0x8ca/0xb60 drivers/virtio/virtio.c:305 > call_driver_probe+0x96/0x250 > really_probe+0x24c/0x9f0 drivers/base/dd.c:639 > __driver_probe_device+0x1f4/0x3f0 drivers/base/dd.c:778 > driver_probe_device+0x50/0x240 drivers/base/dd.c:808 > __driver_attach+0x364/0x5b0 drivers/base/dd.c:1190 > bus_for_each_dev+0x168/0x1d0 drivers/base/bus.c:301 > bus_add_driver+0x32f/0x600 drivers/base/bus.c:618 > driver_register+0x2e9/0x3e0 drivers/base/driver.c:246 > virtio_net_driver_init+0x8e/0xcb drivers/net/virtio_net.c:4090 > do_one_initcall+0x1c9/0x400 init/main.c:1295 > do_initcall_level+0x168/0x218 init/main.c:1368 > do_initcalls+0x4b/0x8c init/main.c:1384 > kernel_init_freeable+0x3f1/0x57b init/main.c:1622 > kernel_init+0x19/0x2b0 init/main.c:1511 > ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 > > > > --- > 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. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization