From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751490AbdEBRq7 (ORCPT ); Tue, 2 May 2017 13:46:59 -0400 Received: from mail-wm0-f54.google.com ([74.125.82.54]:36121 "EHLO mail-wm0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750773AbdEBRq5 (ORCPT ); Tue, 2 May 2017 13:46:57 -0400 MIME-Version: 1.0 From: Andrey Melnikov Date: Tue, 2 May 2017 20:46:55 +0300 Message-ID: Subject: Mounting fuse with v4.11.0 produced WARNING in fs/super.c:1281 super_setup_bdi_name+0xcf/0xe0 To: linux-kernel@vger.kernel.org, Miklos Szeredi Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello. Mounting ntfs fs with fuse shows this warning in log: [ 761.948837] ------------[ cut here ]------------ [ 761.948845] WARNING: CPU: 1 PID: 10879 at /usr/src/ml-build/mainline/fs/super.c:1281 super_setup_bdi_name+0xcf/0xe0 [ 761.948846] Modules linked in: nouveau mxm_wmi wmi ttm drm_kms_helper drm i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt iptable_filter ip6t_MASQUERADE nf_nat_masquerade_ipv6 ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6_tables ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack bridge stp llc usblp intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp joydev input_leds kvm_intel kvm uvcvideo snd_usb_audio snd_usbmidi_lib snd_rawmidi videobuf2_vmalloc snd_seq_device videobuf2_memops irqbypass videobuf2_v4l2 videobuf2_core crct10dif_pclmul crc32_pclmul videodev media pl2303 usbserial ghash_clmulni_intel asix usbnet mii snd_hda_codec_hdmi pcbc aesni_intel snd_hda_codec_via snd_hda_codec_generic snd_hda_intel [ 761.948875] aes_x86_64 snd_hda_codec snd_hda_core crypto_simd snd_hwdep snd_pcm glue_helper cryptd snd_timer mei_me shpchp ie31200_edac snd intel_cstate soundcore mei intel_rapl_perf serio_raw pcspkr mac_hid tpm_infineon lpc_ich video binfmt_misc overlay parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 multipath linear raid0 usbkbd usbmouse hid_generic usbhid hid uas usb_storage psmouse i2c_i801 ahci libahci atl1c [ 761.948902] CPU: 1 PID: 10879 Comm: mount.ntfs Not tainted 4.11.0-999-generic #201705012201 [ 761.948903] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./Z77M-D3H, BIOS F15a 12/31/2013 [ 761.948905] task: ffff904556935a00 task.stack: ffffa4d98a734000 [ 761.948907] RIP: 0010:super_setup_bdi_name+0xcf/0xe0 [ 761.948908] RSP: 0018:ffffa4d98a737c50 EFLAGS: 00010283 [ 761.948910] RAX: 0000000000000000 RBX: ffff9045491e5c00 RCX: 0000000000000002 [ 761.948911] RDX: 0000000000000001 RSI: 00000000fffffe01 RDI: ffffffff84bd584b [ 761.948912] RBP: ffffa4d98a737cd0 R08: ffff90455ce193f8 R09: 0000000000000000 [ 761.948913] R10: ffffdbaed3cdaa00 R11: 0000000000000000 R12: ffff904574d1d800 [ 761.948914] R13: ffffffff856d40a3 R14: ffffa4d98a737ce0 R15: ffff9045491f9c00 [ 761.948916] FS: 00007f25de2aae80(0000) GS:ffff9045aec40000(0000) knlGS:0000000000000000 [ 761.948917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 761.948918] CR2: 00007fff5e2e6c0c CR3: 00000004f9a42000 CR4: 00000000001406e0 [ 761.948919] Call Trace: [ 761.948923] ? kmem_cache_alloc_trace+0xd7/0x190 [ 761.948927] fuse_fill_super+0x3b3/0x6a0 [ 761.948929] ? vsnprintf+0x24b/0x4d0 [ 761.948931] ? snprintf+0x45/0x70 [ 761.948933] mount_bdev+0x178/0x1b0 [ 761.948934] ? mount_bdev+0x178/0x1b0 [ 761.948936] ? fuse_get_root_inode+0x70/0x70 [ 761.948938] fuse_mount_blk+0x15/0x20 [ 761.948939] mount_fs+0x38/0x140 [ 761.948942] vfs_kern_mount+0x67/0x110 [ 761.948943] do_mount+0x1e1/0xca0 [ 761.948945] ? __check_object_size+0x100/0x19d [ 761.948948] ? refcount_dec_not_one+0x41/0x50 [ 761.948950] ? kmem_cache_alloc_trace+0xd7/0x190 [ 761.948951] SyS_mount+0x83/0xd0 [ 761.948954] entry_SYSCALL_64_fastpath+0x1e/0xa9 [ 761.948956] RIP: 0033:0x7f25dd7940ba [ 761.948957] RSP: 002b:00007fff5e2e8318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 761.948958] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007f25dd7940ba [ 761.948960] RDX: 000055b7babb2af0 RSI: 000055b7babb2be0 RDI: 000055b7babadc20 [ 761.948961] RBP: 00007fff5e2e70b0 R08: 000055b7babb2c10 R09: 0000000000000030 [ 761.948962] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff5e2e70c0 [ 761.948963] R13: 000055b7b8d7f10f R14: 00007fff5e2e71f8 R15: 0000000000000001 [ 761.948964] Code: a0 65 48 33 0c 25 28 00 00 00 75 2a 48 83 c4 58 5b 41 5a 41 5c 41 5d 41 5e 5d c3 48 89 df 89 45 84 e8 96 14 f9 ff 8b 45 84 eb d2 <0f> ff eb c6 b8 f4 ff ff ff eb c7 e8 11 fe e3 ff 90 0f 1f 44 00 [ 761.948987] ---[ end trace 341b61fc898ee318 ]---