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Message-ID: <32df5eab-9266-48fd-abd0-18546bc72536@suse.com>
Date: Mon, 15 Apr 2024 14:52:51 +0930
From: Qu Wenruo <wqu@...e.com>
To: Linux regressions mailing list <regressions@...ts.linux.dev>,
David Sterba <dsterba@...e.com>
Cc: linux-btrfs@...r.kernel.org, Hiroshi Takekawa <sian@....or.jp>,
Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
LKML <linux-kernel@...r.kernel.org>,
"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: btrfs: sanity tests fails on 6.8.3
在 2024/4/15 14:41, Linux regression tracking (Thorsten Leemhuis) 写道:
> [adding the authors of the two commits mentioned as well as the Btrfs
> maintainers and the regressions & stable list to the list of recipients]
>
> On 15.04.24 05:56, Hiroshi Takekawa wrote:
>>
>> Module loading fails with CONFIG_BTRFS_FS_RUN_SANITY_TESTS enabled on
>> 6.8.3-6.8.6.
>>
>> Bisected:
>> Reverting these commits, then module loading succeeds.
>> 70f49f7b9aa3dfa70e7a2e3163ab4cae7c9a457a
>
> FWIW, that is a linux-stable commit-id for 41044b41ad2c8c ("btrfs: add
> helper to get fs_info from struct inode pointer") [v6.9-rc1, v6.8.3
> (70f49f7b9aa3df)]
This may be the cause.
But I do not understand why such a cleanup would be backported in the
first place.
>
>> 86211eea8ae1676cc819d2b4fdc8d995394be07d
>
> FWIW, that was a mainline commit-id for 86211eea8ae167 ("btrfs: qgroup:
> validate btrfs_qgroup_inherit parameter") [v6.9-rc1, v6.8.3
> (f19dad4f440af4)]
Meanwhile this doesn't seem to be related, as the test case is not
qgroup related at all.
Thanks,
Qu
>
> Also:
>
> There is a report that to me looks a lot like it's about the same
> problem: https://bugzilla.kernel.org/show_bug.cgi?id=218720
>
> Ciao, Thorsten
>
>> Backtrace:
>> [ 69.030943] xor: automatically using best checksumming function avx
>> [ 69.031940] raid6: skipped pq benchmark and selected avx2x4
>> [ 69.031942] raid6: using avx2x2 recovery algorithm
>> [ 69.074954] Btrfs loaded, zoned=no, fsverity=no
>> [ 69.074973] BTRFS: selftest: sectorsize: 4096 nodesize: 4096
>> [ 69.074974] BTRFS: selftest: running btrfs free space cache tests
>> [ 69.074979] BTRFS: selftest: running extent only tests
>> [ 69.074981] BTRFS: selftest: running bitmap only tests
>> [ 69.074986] BTRFS: selftest: running bitmap and extent tests
>> [ 69.074989] BTRFS: selftest: running space stealing from bitmap to extent tests
>> [ 69.075128] BTRFS: selftest: running bytes index tests
>> [ 69.075134] BTRFS: selftest: running extent buffer operation tests
>> [ 69.075135] BTRFS: selftest: running btrfs_split_item tests
>> [ 69.075140] BTRFS: selftest: running extent I/O tests
>> [ 69.075141] BTRFS: selftest: running find delalloc tests
>> [ 69.098156] BUG: kernel NULL pointer dereference, address: 0000000000000208
>> [ 69.098169] #PF: supervisor read access in kernel mode
>> [ 69.098174] #PF: error_code(0x0000) - not-present page
>> [ 69.098179] PGD 0 P4D 0
>> [ 69.098182] Oops: 0000 [#1] PREEMPT SMP NOPTI
>> [ 69.098187] CPU: 16 PID: 9701 Comm: modprobe Tainted: P OE 6.8.4 #1
>> [ 69.098194] Hardware name: ASUS System Product Name/PRIME Z490-A, BIOS 2801 10/27/2023
>> [ 69.098200] RIP: 0010:find_lock_delalloc_range+0x30/0x260 [btrfs]
>> [ 69.098239] Code: 57 41 56 41 55 41 54 53 48 83 ec 40 49 89 d6 49 89 f7 49 89 fc 65 48 8b 04 25 28 00 00 00 48 89 44 24 38 48 8b 87 40 fe ff ff <48> 8b 80 08 02 00 00 48 85 c0 74 09 48 8b a8 a0 0c 00 00 eb 05 bd
>> [ 69.098252] RSP: 0018:ffffa2c087cfb8a8 EFLAGS: 00010282
>> [ 69.098256] RAX: 0000000000000000 RBX: 0000000000000fff RCX: ffffa2c087cfb938
>> [ 69.098262] RDX: ffffa2c087cfb940 RSI: ffffdf1544fbac80 RDI: ffffa085c86b05f0
>> [ 69.098266] RBP: 0000000000000000 R08: 0000000000000010 R09: 0000000000000000
>> [ 69.098271] R10: ffffa0852f8e8a20 R11: ffffffffbb22eb70 R12: ffffa085c86b05f0
>> [ 69.098276] R13: ffffdf1544fbac80 R14: ffffa2c087cfb940 R15: ffffdf1544fbac80
>> [ 69.098280] FS: 00007f6447289740(0000) GS:ffffa0a3edc00000(0000) knlGS:0000000000000000
>> [ 69.098286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 69.098290] CR2: 0000000000000208 CR3: 0000000176cec006 CR4: 00000000007706f0
>> [ 69.098295] PKRU: 55555554
>> [ 69.098297] Call Trace:
>> [ 69.098300] <TASK>
>> [ 69.098302] ? __die_body+0x5f/0xb0
>> [ 69.098307] ? page_fault_oops+0x294/0x3c0
>> [ 69.098311] ? exc_page_fault+0x4b/0x70
>> [ 69.098316] ? asm_exc_page_fault+0x26/0x30
>> [ 69.098319] ? __pfx_workingset_update_node+0x10/0x10
>> [ 69.098325] ? find_lock_delalloc_range+0x30/0x260 [btrfs]
>> [ 69.098355] btrfs_test_extent_io+0x185/0x1210 [btrfs]
>> [ 69.098378] btrfs_run_sanity_tests+0x7c/0x120 [btrfs]
>> [ 69.098400] ? __pfx_init_module+0x10/0x10 [btrfs]
>> [ 69.098421] init_module+0x1b/0x90 [btrfs]
>> [ 69.098441] ? __pfx_init_module+0x10/0x10 [btrfs]
>> [ 69.098462] do_one_initcall+0x115/0x340
>> [ 69.098598] ? idr_alloc_cyclic+0x139/0x1d0
>> [ 69.098728] ? __kernfs_new_node+0xc7/0x230
>> [ 69.098855] ? sysvec_apic_timer_interrupt+0x15/0x80
>> [ 69.098984] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
>> [ 69.099111] ? __slab_free+0x74/0x270
>> [ 69.099239] ? __slab_free+0x74/0x270
>> [ 69.099364] ? vfree+0x16c/0x200
>> [ 69.099488] ? kfree+0x14e/0x200
>> [ 69.099611] ? vfree+0x16c/0x200
>> [ 69.099733] ? load_module+0x104e/0x11c0
>> [ 69.099856] ? kmalloc_trace+0x11e/0x240
>> [ 69.099980] do_init_module+0x7d/0x240
>> [ 69.100102] __x64_sys_finit_module+0x293/0x380
>> [ 69.100226] do_syscall_64+0x89/0x110
>> [ 69.100347] ? syscall_exit_work+0xaf/0xd0
>> [ 69.100466] ? syscall_exit_to_user_mode+0x74/0x80
>> [ 69.100585] ? do_syscall_64+0x98/0x110
>> [ 69.100703] ? syscall_exit_work+0xaf/0xd0
>> [ 69.100820] ? syscall_exit_to_user_mode+0x74/0x80
>> [ 69.100937] ? do_syscall_64+0x98/0x110
>> [ 69.101050] ? do_syscall_64+0x98/0x110
>> [ 69.101160] ? do_syscall_64+0x98/0x110
>> [ 69.101263] entry_SYSCALL_64_after_hwframe+0x73/0x7b
>> [ 69.101361] RIP: 0033:0x7f6446b1e3ed
>> [ 69.101457] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fb 29 0d 00 f7 d8 64 89 01 48
>> [ 69.101667] RSP: 002b:00007fff472969b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
>> [ 69.101774] RAX: ffffffffffffffda RBX: 000056091ee62c00 RCX: 00007f6446b1e3ed
>> [ 69.101881] RDX: 0000000000000000 RSI: 000056091da20585 RDI: 0000000000000009
>> [ 69.101987] RBP: 000056091da20585 R08: 00007f6446bf1d00 R09: 0000000000000000
>> [ 69.102092] R10: 0000000000000050 R11: 0000000000000246 R12: 0000000000040000
>> [ 69.102196] R13: 000056091ee6a5d0 R14: 00007f64472970a8 R15: 000056091ee625d0
>> [ 69.102299] </TASK>
>> [ 69.102399] Modules linked in: btrfs(+) raid6_pq xor zstd_compress lzo_decompress lzo_compress efivarfs loop nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) virtiofs virtio fuse virtio_ring ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat ip6table_filter ip6_tables iptable_mangle vhost_vsock vmw_vsock_virtio_transport_common vsock vhost_net vhost vhost_iotlb tun xt_conntrack xt_MASQUERADE nf_conntrack_netlink xfrm_user xfrm_algo iptable_nat nf_nat xt_addrtype iptable_filter ip_tables br_netfilter bridge stp llc overlay sr_mod cdrom snd_pcm_oss snd_mixer_oss vmw_vmci nct6775 hwmon_vid nct6775_core nf_log_syslog nft_log nft_ct nf_tables libcrc32c nfnetlink joydev ipv6 mei_me ee1004 mei pl2303 usbserial usb_storage coretemp hwmon intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek snd_hda_codec_generic kvm_intel led_class snd_hda_codec_hdmi kvm irqbypass crc32c_intel sha512_ssse3 sha256_ssse3 snd_hda_intel sha1_ssse3 snd_intel_dspcfg aesni_intel snd_hda_codec crypto_simd snd_hda_core
>> [ 69.102430] cryptd snd_pcm rapl snd_timer i2c_i801 intel_cstate wmi_bmof intel_wmi_thunderbolt intel_uncore i2c_smbus rtc_cmos snd sd_mod soundcore thermal fan wmi acpi_pad button [last unloaded: nvidia(POE)]
>> [ 69.103752] CR2: 0000000000000208
>> [ 69.103902] ---[ end trace 0000000000000000 ]---
>> [ 69.259181] RIP: 0010:find_lock_delalloc_range+0x30/0x260 [btrfs]
>> [ 69.259364] Code: 57 41 56 41 55 41 54 53 48 83 ec 40 49 89 d6 49 89 f7 49 89 fc 65 48 8b 04 25 28 00 00 00 48 89 44 24 38 48 8b 87 40 fe ff ff <48> 8b 80 08 02 00 00 48 85 c0 74 09 48 8b a8 a0 0c 00 00 eb 05 bd
>> [ 69.259691] RSP: 0018:ffffa2c087cfb8a8 EFLAGS: 00010282
>> [ 69.259856] RAX: 0000000000000000 RBX: 0000000000000fff RCX: ffffa2c087cfb938
>> [ 69.260023] RDX: ffffa2c087cfb940 RSI: ffffdf1544fbac80 RDI: ffffa085c86b05f0
>> [ 69.260191] RBP: 0000000000000000 R08: 0000000000000010 R09: 0000000000000000
>> [ 69.260360] R10: ffffa0852f8e8a20 R11: ffffffffbb22eb70 R12: ffffa085c86b05f0
>> [ 69.260531] R13: ffffdf1544fbac80 R14: ffffa2c087cfb940 R15: ffffdf1544fbac80
>> [ 69.260704] FS: 00007f6447289740(0000) GS:ffffa0a3edc00000(0000) knlGS:0000000000000000
>> [ 69.260882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 69.261061] CR2: 0000000000000208 CR3: 0000000176cec006 CR4: 00000000007706f0
>> [ 69.261242] PKRU: 55555554
>> [ 69.261423] note: modprobe[9701] exited with irqs disabled
>>
>> --
>> Hiroshi Takekawa <sian@....or.jp>
>
> P.S.:
>
> #regzbot ^introduced 70f49f7b9aa3df
> #regzbot duplicate: https://bugzilla.kernel.org/show_bug.cgi?id=218720
> #regzbot title: btrfs: sanity tests fails and causes Oops
> #regzbot ignore-activity
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