From: bugzilla-daemon--- via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>
To: linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [Bug 220575] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Date: Tue, 16 Sep 2025 02:19:52 +0000 [thread overview]
Message-ID: <bug-220575-202145-dqd9ZBPSsZ@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-220575-202145@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=220575
--- Comment #2 from JY (JY.Ho@mediatek.com) ---
(In reply to Chao Yu from comment #1)
> Hi,
>
> Do you have a ramdump about this issue, if there is, can you please provide
> more information about the corrupted page?
>
> Thanks,
Hi Chao,
Do you mean the sysreg dump? or are there some kernel configurations I need to
enable?
Thanks
as below:
Unable to handle kernel NULL pointer dereference at virtual address
0000000000000000
Mem abort info:
ESR = 0x0000000096000006
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x06: level 2 translation fault
Data abort info:
ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
user pgtable: 4k pages, 39-bit VAs, pgdp=0000000037b28000
[0000000000000000] pgd=0800000039429003, p4d=0800000039429003,
pud=0800000039429003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Kernel Offset: 0x0 from 0xffffffc080000000
PHYS_OFFSET: 0x0
pstate: 20400005 (nzCv daif +PAN -UAO)
pc : [0xffffffe51d249484] f2fs_is_cp_guaranteed+0x70/0x98
lr : [0xffffffe51d24adbc] f2fs_merge_page_bio+0x520/0x6d4
sp : ffffffc08cc13280
x29: ffffffc08cc132a0 x28: fffffffec0bae200
x27: 0000000000000168 x26: dead000000000100
x25: 0000000000000002 x24: 0000000000000000
x23: ffffff8077b65ae8 x22: ffffff802a06a000
x21: fffffffec1fcb240 x20: ffffff802a06a000
x19: ffffffc08cc133d0 x18: 0000000000000000
x17: 000000008c623181 x16: 000000008c623181
x15: 000000000000ba7e x14: ffffff802a7accc0
x13: ffffffc08cc10000 x12: ffffffc08cc14000
x11: 0000000000000000 x10: 0000000000000001
x9 : ffffffe51d24adbc x8 : 0000000000000000
x7 : 0000000000000000 x6 : 0000000000000000
x5 : fffffffebf3448e0 x4 : 0000000000000000
x3 : ffffffc08cc13070 x2 : 0000000000001000
x1 : fffffffec1fcb240 x0 : 0000000000000000
PC: 0xffffffe51d249484:
9400: 94037df0 a8c17bfd d50323bf d65f03c0 e9161943 aa1e03e9 d503201f f9400c08
9420: b4000308 f9400108 f9401509 f941c92a f9402109 b945b94b eb0b013f 540001e0
9440: b945b54a eb0a013f 54000180 79400109 12140d29 7140113f 54000100 7140213f
9460: 54000061 39403108 37280088 f9400008 36780128 14000006 52800020 d65f03c0
9480: f9401400 f9400008 36780068 f8428c08 37000068 2a1f03e0 d65f03c0 f9400008
94a0: d3410500 d65f03c0 df7ce677 aa1e03e9 d503201f f940000a b94bec09 aa0003e8
94c0: f9407940 7100093f 540001eb f945f908 91016108 14000004 f1000529 9101a108
94e0: 54000120 b85fc10a 6b0a002a 54ffff63 b940010b 6b01017f 54ffff03 f85b0100
9500: 2a0a03e1 b4000062 d37d7c28 f9000048 d65f03c0 00d09e79 aa1e03e9 d503201f
LR: 0xffffffe51d24adbc:
ad30: 942e9b7a 910022e0 91046282 f9409281 eb02001f 54000820 eb00003f 540007e0
ad50: f9400028 eb02011f 54000781 f9009280 a90086e2 f9000020 9104a280 97eadec0
ad70: 91054280 52800061 2a1f03e2 aa1f03e3 97ea9b97 f9403260 b4000140 f94002a8
ad90: 37300068 aa1f03e8 14000002 394102a8 52820009 aa1503e1 9ac82122 97f8665d
adb0: f9400274 aa1c03e0 97fff997 52800388 7200001f 52800309 9a881128 8b080288
add0: 91196108 d503201f 52800029 b829011f b9401e68 f9403a69 2a1f03e0 f9000128
adf0: f9400be8 f9403669 f9000128 d5384108 f9432508 f85f83a9 eb09011f 540001c1
ae10: a9474ff4 a94657f6 a9455ff8 a94467fa a9436ffc a9427bfd 910203ff d50323bf
ae30: d65f03c0 d1000515 17fffeb0 d1000501 17fffeba 942e77da 97e7411a 17ffffc7
SP: 0xffffffc08cc13280:
3200: 00000100 dead0000 00000168 00000000 c0bae200 fffffffe 8cc132a0 ffffffc0
3220: 1d24adbc ffffffe5 8cc13280 ffffffc0 1d249484 ffffffe5 20400005 00000000
3240: 00000100 dead0000 00000001 00000000 00000000 00000000 77b65ae8 ffffff80
3260: 8cc132a0 ffffffc0 1d249484 ffffffe5 2994b968 ffffff80 00000000 00000000
3280: c1fcb240 fffffffe c0bae200 fffffffe 75c5a700 ffffff80 7572b200 8abc58ea
32a0: 8cc13310 ffffffc0 1d271100 ffffffe5 00000021 00000000 00000000 00000000
32c0: 00000001 00000000 8cc13980 ffffffc0 8cc1357c ffffffc0 00000002 00000000
32e0: 8cc13350 ffffffc0 0018f948 00000000 2a06a000 ffffff80 8cc133d0 ffffffc0
X1: 0xfffffffec1fcb240:
b1c0: 00000000 00000000 c1fcb101 fffffffe 00000122 dead0000 00000400 dead0000
b1e0: 000eb1f2 00000000 00000000 00000000 00000002 00000000 00000000 00000000
b200: 00000000 00000000 00000000 00000000 00000122 dead0000 00000000 00000000
b220: 00015b6f 00000000 00000000 00000000 ffffffff 00000001 00000000 00000000
b240: 00009029 10000000 c2727708 fffffffe c1fce348 fffffffe 35760fc8 ffffff80
b260: 00000021 00000000 00000009 00000000 00000000 00000004 31cb30c0 ffffff80
b280: 00180028 00000000 00000100 dead0000 00000001 dead0000 3364f958 ffffff80
b2a0: 000006c9 00000000 00000000 00000000 00000023 00000025 4c5a6b40 ffffff80
X3: 0xffffffc08cc13070:
2ff0: 00000000 00000000 00000000 00000000 00000000 00000000 8cc13130 ffffffc0
3010: 96000006 00000000 00000000 00000000 00000002 00000000 00002001 00000000
3030: 8cc13090 ffffffc0 1ddf9794 ffffffe5 6c286180 ffffff80 00000168 00000000
3050: 00000100 dead0000 00000002 00000000 00000000 00000000 20400005 00000000
3070: 1de0e0f0 ffffffe5 00000000 00000000 6c286180 ffffff80 96000006 00000000
3090: 8cc130c0 ffffffc0 1cc4bc48 ffffffe5 00000000 00000000 1cc23a24 ffffffe5
30b0: 8cc13130 ffffffc0 96000006 00000000 8cc130f0 ffffffc0 1dde6b98 ffffffe5
30d0: 1d249484 ffffffe5 00000000 00000000 8cc13130 ffffffc0 96000006 00000000
X5: 0xfffffffebf3448e0:
4860: 00000000 00000000 00000004 00000000 00000000 00000000 00321b67 00000000
4880: 00321bcd 00000000 00321b81 00000000 00000000 00000000 0000c1b1 00000000
48a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
48c0: 00000000 ffffffe3 00000000 00000000 00000000 00000000 00000000 00000000
48e0: 30ffe5a0 ffffff80 30ffb300 ffffff80 00000104 00000000 fffffffc ffffffff
4900: 00000000 00000000 bf33ec40 fffffffe 7d70d000 ffffff80 000014a2 00000000
4920: ffffcb8f ffffffff ffffe033 ffffffff ffffd699 ffffffff 00000004 00000000
4940: 00000000 00000000 00000000 00000000 00002eb7 00000000 00003be9 00000000
X9: 0xffffffe51d24adbc:
ad30: 942e9b7a 910022e0 91046282 f9409281 eb02001f 54000820 eb00003f 540007e0
ad50: f9400028 eb02011f 54000781 f9009280 a90086e2 f9000020 9104a280 97eadec0
ad70: 91054280 52800061 2a1f03e2 aa1f03e3 97ea9b97 f9403260 b4000140 f94002a8
ad90: 37300068 aa1f03e8 14000002 394102a8 52820009 aa1503e1 9ac82122 97f8665d
adb0: f9400274 aa1c03e0 97fff997 52800388 7200001f 52800309 9a881128 8b080288
add0: 91196108 d503201f 52800029 b829011f b9401e68 f9403a69 2a1f03e0 f9000128
adf0: f9400be8 f9403669 f9000128 d5384108 f9432508 f85f83a9 eb09011f 540001c1
ae10: a9474ff4 a94657f6 a9455ff8 a94467fa a9436ffc a9427bfd 910203ff d50323bf
ae30: d65f03c0 d1000515 17fffeb0 d1000501 17fffeba 942e77da 97e7411a 17ffffc7
X12: 0xffffffc08cc14000:
3f80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fa0: 00000000 00000000 00000000 00000000 00000000 00000000 00100005 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
X13: 0xffffffc08cc10000:
0000: 57ac6e9d 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0020: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0040: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0060: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
X14: 0xffffff802a7accc0:
cc40: 2a7ac780 ffffff80 2a7acfc0 ffffff80 06100ff0 00000000 00000000 00000000
cc60: 06100056 00000000 00000fe8 00000000 00000000 00000000 2a7af000 ffffff80
cc80: 2a7ac000 ffffff80 2a7ace40 ffffff80 06100ff0 00000000 00000000 00000000
cca0: 0610004d 00000000 00000fb8 00000000 00000000 00000000 2a7c1000 ffffff80
ccc0: 2a7ac440 ffffff80 2a7ac580 ffffff80 06100ff0 00000000 00000000 00000000
cce0: 0610005b 00000000 00000000 00000000 00000000 00000000 2a7cd000 ffffff80
cd00: 2a7acbc0 ffffff80 2a7aca40 ffffff80 06100ff0 00000000 00000000 00000000
cd20: 06100051 00000000 00000fd4 00000000 00000000 00000000 2a7b5000 ffffff80
X19: 0xffffffc08cc133d0:
3350: 35760e58 ffffff80 00000000 00000000 00000000 00000000 000037c7 00000021
3370: 00000001 0018f948 7572b200 8abc58ea 8cc13450 ffffffc0 1d250d78 ffffffe5
3390: 35760e58 ffffff80 7572b200 8abc58ea c1fcb240 fffffffe 00004000 00000000
33b0: 2a06a000 ffffff80 8cc135f8 ffffffc0 2e8b5068 ffffff80 0001082a 00000001
33d0: 2a06a000 ffffff80 000037c7 00000000 00000001 00000001 00000000 0018f948
33f0: 0018f948 00000000 c1fcb240 fffffffe c0bae200 fffffffe 00000000 00000000
3410: 00000000 00000000 00000000 00000000 00000000 00100002 00000006 00000000
3430: 8cc13980 ffffffc0 8cc135f8 ffffffc0 8cc135f0 ffffffc0 7572b200 8abc58ea
X20: 0xffffff802a06a000:
9f80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fa0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
a000: 2994a000 ffffff80 32395b40 ffffff80 3056a000 ffffff80 00000000 00000000
a020: 610cce01 ffffff80 00000000 00000000 2a06a030 ffffff80 2a06a030 ffffff80
a040: 00000000 00000000 2a06a048 ffffff80 2a06a048 ffffff80 00000000 00000000
a060: 00000481 00000000 6c286180 ffffff80 00000000 00000000 2a06a078 ffffff80
X21: 0xfffffffec1fcb240:
b1c0: 00000000 00000000 c1fcb101 fffffffe 00000122 dead0000 00000400 dead0000
b1e0: 000eb1f2 00000000 00000000 00000000 00000002 00000000 00000000 00000000
b200: 00000000 00000000 00000000 00000000 00000122 dead0000 00000000 00000000
b220: 00015b6f 00000000 00000000 00000000 ffffffff 00000001 00000000 00000000
b240: 00009029 10000000 c2727708 fffffffe c1fce348 fffffffe 35760fc8 ffffff80
b260: 00000021 00000000 00000009 00000000 00000000 00000004 31cb30c0 ffffff80
b280: 00180028 00000000 00000100 dead0000 00000001 dead0000 3364f958 ffffff80
b2a0: 000006c9 00000000 00000000 00000000 00000023 00000025 4c5a6b40 ffffff80
X22: 0xffffff802a06a000:
9f80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fa0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
a000: 2994a000 ffffff80 32395b40 ffffff80 3056a000 ffffff80 00000000 00000000
a020: 610cce01 ffffff80 00000000 00000000 2a06a030 ffffff80 2a06a030 ffffff80
a040: 00000000 00000000 2a06a048 ffffff80 2a06a048 ffffff80 00000000 00000000
a060: 00000481 00000000 6c286180 ffffff80 00000000 00000000 2a06a078 ffffff80
X23: 0xffffff8077b65ae8:
5a60: 00000122 dead0000 3fe9cf00 ffffff80 910f179f f7531a19 00000122 dead0000
5a80: 45846400 ffffff80 910f1217 0f531a19 00000122 dead0000 4636d500 ffffff80
5aa0: 910f1cbf 27531a19 00000122 dead0000 404ceb00 ffffff80 910f1787 3f531a19
5ac0: 00000122 dead0000 49583900 ffffff80 910f156f 57531a19 00000122 dead0000
5ae0: 75c5a700 ffffff80 910f131f 6f531a19 00000122 dead0000 75c5ab00 ffffff80
5b00: 910f1f67 87521a19 00000122 dead0000 35111e00 ffffff80 910f1ac7 9f521a19
5b20: 00000122 dead0000 9f84b600 ffffff80 910f16cf b7521a19 00000122 dead0000
5b40: 4db47900 ffffff80 910f160f cf521a19 00000122 dead0000 56524400 ffffff80
5b60: 910f155f e7521a19 00000122 dead0000 3e802900 ffffff80 910f1f07 ff521a19
X28: 0xfffffffec0bae200:
e180: 00008038 08000000 c0bae208 fffffffe c0badd08 fffffffe 6cc17430 ffffff80
e1a0: 00000a1a 00000000 00000009 00000000 ffffffff 00000002 2e89f500 ffffff80
e1c0: 00000000 00000000 281e3500 ffffff80 00000122 dead0000 00000000 00000000
e1e0: 00000000 00000000 00100010 00000000 f5000000 00000001 00000000 00000000
e200: 00008038 08000000 c1ecf588 fffffffe c0bae188 fffffffe 6cc17430 ffffff80
e220: 00000a19 00000000 00000009 00000000 ffffffff 00000002 2e89f500 ffffff80
e240: 00008000 00000000 00000000 00000000 00000122 dead0000 00000000 00000000
e260: 000e8683 00000000 2eb89000 00000000 ffffffff 00000001 00000000 00000000
X29: 0xffffffc08cc132a0:
3220: 1d24adbc ffffffe5 8cc13280 ffffffc0 1d249484 ffffffe5 20400005 00000000
3240: 00000100 dead0000 00000001 00000000 00000000 00000000 77b65ae8 ffffff80
3260: 8cc132a0 ffffffc0 1d249484 ffffffe5 2994b968 ffffff80 00000000 00000000
3280: c1fcb240 fffffffe c0bae200 fffffffe 75c5a700 ffffff80 7572b200 8abc58ea
32a0: 8cc13310 ffffffc0 1d271100 ffffffe5 00000021 00000000 00000000 00000000
32c0: 00000001 00000000 8cc13980 ffffffc0 8cc1357c ffffffc0 00000002 00000000
32e0: 8cc13350 ffffffc0 0018f948 00000000 2a06a000 ffffff80 8cc133d0 ffffffc0
3300: 00000001 00000000 7572b200 8abc58ea 8cc13380 ffffffc0 1d250370 ffffffe5
CPU: 3 UID: 0 PID: 6790 Comm: kworker/u16:3 Tainted: P B W OE
6.12.30-android16-5-maybe-dirty-4k #1 5f7701c9cbf727d1eebe77c89bbbeb3371e895e5
Tainted: [P]=PROPRIETARY_MODULE, [B]=BAD_PAGE, [W]=WARN, [O]=OOT_MODULE,
[E]=UNSIGNED_MODULE
Workqueue: writeback wb_workfn (flush-254:49)
Call trace:
dump_backtrace+0xf4/0x130
show_stack+0x20/0x30
dump_stack_lvl+0x40/0xa0
notifier_call_chain+0x90/0x174
notify_die+0x50/0x8c
die+0x9c/0x310
__do_kernel_fault+0x294/0x2a4
do_page_fault+0xac/0x640
do_translation_fault+0x48/0x11c
do_mem_abort+0x5c/0x108
el1_abort+0x3c/0x5c
el1h_64_sync_handler+0x80/0xcc
el1h_64_sync+0x68/0x6c
f2fs_is_cp_guaranteed+0x70/0x98
f2fs_inplace_write_data+0x174/0x2f4
f2fs_do_write_data_page+0x214/0x81c
f2fs_write_single_data_page+0x28c/0x764
f2fs_write_data_pages+0x78c/0xce4
do_writepages+0xe8/0x2fc
__writeback_single_inode+0x4c/0x4b4
writeback_sb_inodes+0x314/0x540
__writeback_inodes_wb+0xa4/0xf4
wb_writeback+0x160/0x448
wb_workfn+0x2f0/0x5dc
process_scheduled_works+0x1c8/0x458
worker_thread+0x334/0x3f0
kthread+0x118/0x1ac
ret_from_fork+0x10/0x20
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next prev parent reply other threads:[~2025-09-16 2:20 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 3:33 [f2fs-dev] [Bug 220575] New: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 bugzilla-daemon--- via Linux-f2fs-devel
2025-09-15 12:27 ` [f2fs-dev] [Bug 220575] " bugzilla-daemon--- via Linux-f2fs-devel
2025-09-16 2:19 ` bugzilla-daemon--- via Linux-f2fs-devel [this message]
2025-09-16 2:52 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-24 6:50 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-24 8:47 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-24 9:51 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-24 13:22 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-25 3:38 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-25 3:41 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-25 8:40 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-25 9:23 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-28 10:30 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-28 13:55 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-09-30 10:45 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-10-01 7:51 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-10-01 8:01 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-10-03 2:33 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-10-03 2:44 ` bugzilla-daemon--- via Linux-f2fs-devel
2025-10-03 3:13 ` bugzilla-daemon--- via Linux-f2fs-devel
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