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From:   nirinA raseliarison <nirina.raseliarison@gmail.com>
Date:   Wed, 27 May 2020 21:05:55 +0300
Message-ID: <CANsGL8PFnEvBcfLV7eKZQCONoork3EQ7x_RdtkFPXuWZQbK=qg@mail.gmail.com>
Subject: kernel BUG at fs/inode.c:531!
To:     Alexander Viro <viro@zeniv.linux.org.uk>
Cc:     linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
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Sender: linux-kernel-owner@vger.kernel.org
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hello,
i hit again this bug with:

$ cat /proc/version
Linux version 5.7.0-rc7.20200525 (nirina@supernova.org) (gcc version
10.1.0 (GCC), GNU ld version 2.33.1-slack15) #1 SMP Mon May 25
02:49:28 EAT 2020


[99390.044690] ------------[ cut here ]------------
[99390.044695] kernel BUG at fs/inode.c:531!
[99390.044702] invalid opcode: 0000 [#1] SMP PTI
[99390.044705] CPU: 0 PID: 149 Comm: kswapd0 Not tainted 5.7.0-rc7.20200525 #1
[99390.044706] Hardware name: To be filled by O.E.M. To be filled by
O.E.M./ONDA H61V Ver:4.01, BIOS 4.6.5 01/07/2013
[99390.044712] RIP: 0010:clear_inode+0x75/0x80
[99390.044714] Code: a8 20 74 2a a8 40 75 28 48 8b 83 28 01 00 00 48
8d 93 28 01 00 00 48 39 c2 75 17 48 c7 83 98 00 00 00 60 00 00 00 5b
c3 0f 0b <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 90 0f 1f 44 00 00 53 ba 48 02
00 00
[99390.044716] RSP: 0018:ffffc900004c7b50 EFLAGS: 00010006
[99390.044717] RAX: 0000000000000000 RBX: ffff88808c5f9e38 RCX: 0000000000000000
[99390.044718] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88808c5f9fb8
[99390.044719] RBP: ffff88808c5f9e38 R08: ffffffffffffffff R09: ffffc900004c7cd8
[99390.044720] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88808c5f9fb0
[99390.044721] R13: ffff888215658000 R14: ffff888215658070 R15: 000000000000014c
[99390.044723] FS:  0000000000000000(0000) GS:ffff888217600000(0000)
knlGS:0000000000000000
[99390.044724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[99390.044725] CR2: 00000006f9004000 CR3: 00000001511da001 CR4: 00000000001606f0
[99390.044726] Call Trace:
[99390.044732]  ext4_clear_inode+0x16/0x80
[99390.044736]  ext4_evict_inode+0x58/0x4c0
[99390.044738]  evict+0xbf/0x180
[99390.044740]  prune_icache_sb+0x7e/0xb0
[99390.044743]  super_cache_scan+0x161/0x1e0
[99390.044746]  do_shrink_slab+0x146/0x290
[99390.044749]  shrink_slab+0xac/0x2a0
[99390.044752]  ? __switch_to_asm+0x40/0x70
[99390.044754]  shrink_node+0x16f/0x660
[99390.044757]  balance_pgdat+0x2cf/0x5b0
[99390.044759]  kswapd+0x1dc/0x3a0
[99390.044762]  ? __schedule+0x217/0x710
[99390.044764]  ? wait_woken+0x80/0x80
[99390.044766]  ? balance_pgdat+0x5b0/0x5b0
[99390.044768]  kthread+0x118/0x130
[99390.044770]  ? kthread_create_worker_on_cpu+0x70/0x70
[99390.044772]  ret_from_fork+0x35/0x40
[99390.044773] Modules linked in: 8021q garp stp mrp llc rtl8192cu
rtl_usb rtl8192c_common rtlwifi mac80211 cfg80211 uas usb_storage
nct6775 hwmon_vid ipv6 rfkill nf_defrag_ipv6 snd_pcm_oss snd_mixer_oss
fuse hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i2c_dev coretemp hwmon i915 x86_pkg_temp_thermal
intel_powerclamp kvm_intel kvm i2c_algo_bit irqbypass drm_kms_helper
evdev r8169 snd_hda_intel syscopyarea snd_intel_dspcfg realtek
snd_hda_codec libphy crc32_pclmul sysfillrect serio_raw sysimgblt
snd_hwdep fb_sys_fops snd_hda_core drm snd_pcm fan thermal
drm_panel_orientation_quirks snd_timer intel_gtt 8250 agpgart snd
8250_base ehci_pci serial_core button ehci_hcd video soundcore
i2c_i801 lpc_ich mfd_core mei_me mei loop
[99390.044800] ---[ end trace 2ca57858c52a0ad4 ]---

--
nirinA