From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
patches@lists.linux.dev, Jaegeuk Kim <jaegeuk@kernel.org>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.4 05/55] f2fs: lets avoid panic if extent_tree is not created
Date: Sun, 22 Jan 2023 16:03:52 +0100 [thread overview]
Message-ID: <20230122150222.471859853@linuxfoundation.org> (raw)
In-Reply-To: <20230122150222.210885219@linuxfoundation.org>
From: Jaegeuk Kim <jaegeuk@kernel.org>
[ Upstream commit df9d44b645b83fffccfb4e28c1f93376585fdec8 ]
This patch avoids the below panic.
pc : __lookup_extent_tree+0xd8/0x760
lr : f2fs_do_write_data_page+0x104/0x87c
sp : ffffffc010cbb3c0
x29: ffffffc010cbb3e0 x28: 0000000000000000
x27: ffffff8803e7f020 x26: ffffff8803e7ed40
x25: ffffff8803e7f020 x24: ffffffc010cbb460
x23: ffffffc010cbb480 x22: 0000000000000000
x21: 0000000000000000 x20: ffffffff22e90900
x19: 0000000000000000 x18: ffffffc010c5d080
x17: 0000000000000000 x16: 0000000000000020
x15: ffffffdb1acdbb88 x14: ffffff888759e2b0
x13: 0000000000000000 x12: ffffff802da49000
x11: 000000000a001200 x10: ffffff8803e7ed40
x9 : ffffff8023195800 x8 : ffffff802da49078
x7 : 0000000000000001 x6 : 0000000000000000
x5 : 0000000000000006 x4 : ffffffc010cbba28
x3 : 0000000000000000 x2 : ffffffc010cbb480
x1 : 0000000000000000 x0 : ffffff8803e7ed40
Call trace:
__lookup_extent_tree+0xd8/0x760
f2fs_do_write_data_page+0x104/0x87c
f2fs_write_single_data_page+0x420/0xb60
f2fs_write_cache_pages+0x418/0xb1c
__f2fs_write_data_pages+0x428/0x58c
f2fs_write_data_pages+0x30/0x40
do_writepages+0x88/0x190
__writeback_single_inode+0x48/0x448
writeback_sb_inodes+0x468/0x9e8
__writeback_inodes_wb+0xb8/0x2a4
wb_writeback+0x33c/0x740
wb_do_writeback+0x2b4/0x400
wb_workfn+0xe4/0x34c
process_one_work+0x24c/0x5bc
worker_thread+0x3e8/0xa50
kthread+0x150/0x1b4
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/extent_cache.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 05b17a741ccc..dd53c9294ad9 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -381,7 +381,8 @@ static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs,
struct extent_node *en;
bool ret = false;
- f2fs_bug_on(sbi, !et);
+ if (!et)
+ return false;
trace_f2fs_lookup_extent_tree_start(inode, pgofs);
--
2.35.1
next prev parent reply other threads:[~2023-01-22 15:08 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-22 15:03 [PATCH 5.4 00/55] 5.4.230-rc1 review Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 01/55] pNFS/filelayout: Fix coalescing test for single DS Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 02/55] selftests/bpf: check null propagation only neither reg is PTR_TO_BTF_ID Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 03/55] net/ethtool/ioctl: return -EOPNOTSUPP if we have no phy stats Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 04/55] RDMA/srp: Move large values to a new enum for gcc13 Greg Kroah-Hartman
2023-01-22 15:03 ` Greg Kroah-Hartman [this message]
2023-01-22 15:03 ` [PATCH 5.4 06/55] wifi: brcmfmac: fix regression for Broadcom PCIe wifi devices Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 07/55] Add exception protection processing for vd in axi_chan_handle_err function Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 08/55] nilfs2: fix general protection fault in nilfs_btree_insert() Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 09/55] efi: fix userspace infinite retry read efivars after EFI runtime services page fault Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 10/55] drm/i915/gt: Reset twice Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 11/55] ALSA: hda/realtek - Turn on power early Greg Kroah-Hartman
2023-01-22 15:03 ` [PATCH 5.4 12/55] xhci-pci: set the dma max_seg_size Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 13/55] usb: xhci: Check endpoint is valid before dereferencing it Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 14/55] xhci: Fix null pointer dereference when host dies Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 15/55] xhci: Add update_hub_device override for PCI xHCI hosts Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 16/55] xhci: Add a flag to disable USB3 lpm on a xhci root port level Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 17/55] usb: acpi: add helper to check port lpm capability using acpi _DSM Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 18/55] xhci: Detect lpm incapable xHC USB3 roothub ports from ACPI tables Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 19/55] prlimit: do_prlimit needs to have a speculation check Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 20/55] USB: serial: option: add Quectel EM05-G (GR) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 21/55] USB: serial: option: add Quectel EM05-G (CS) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 22/55] USB: serial: option: add Quectel EM05-G (RS) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 23/55] USB: serial: option: add Quectel EC200U modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 24/55] USB: serial: option: add Quectel EM05CN (SG) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 25/55] USB: serial: option: add Quectel EM05CN modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 26/55] USB: misc: iowarrior: fix up header size for USB_DEVICE_ID_CODEMERCS_IOW100 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 27/55] misc: fastrpc: Dont remove map on creater_process and device_release Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 28/55] misc: fastrpc: Fix use-after-free race condition for maps Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 29/55] usb: core: hub: disable autosuspend for TI TUSB8041 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 30/55] comedi: adv_pci1760: Fix PWM instruction handling Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 31/55] mmc: sunxi-mmc: Fix clock refcount imbalance during unbind Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 32/55] btrfs: fix race between quota rescan and disable leading to NULL pointer deref Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 33/55] cifs: do not include page data when checking signature Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 34/55] USB: gadgetfs: Fix race between mounting and unmounting Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 35/55] USB: serial: cp210x: add SCALANCE LPE-9000 device id Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 36/55] usb: host: ehci-fsl: Fix module alias Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 37/55] usb: typec: altmodes/displayport: Add pin assignment helper Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 38/55] usb: typec: altmodes/displayport: Fix pin assignment calculation Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 39/55] usb: gadget: g_webcam: Send color matching descriptor per frame Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 40/55] usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate() Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 41/55] usb-storage: apply IGNORE_UAS only for HIKSEMI MD202 on RTL9210 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 42/55] dt-bindings: phy: g12a-usb3-pcie-phy: fix compatible string documentation Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 43/55] serial: pch_uart: Pass correct sg to dma_unmap_sg() Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 44/55] dmaengine: tegra210-adma: fix global intr clear Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 45/55] serial: atmel: fix incorrect baudrate setup Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 46/55] gsmi: fix null-deref in gsmi_get_variable Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 47/55] drm/i915: re-disable RC6p on Sandy Bridge Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 48/55] drm/amd/display: Fix set scaling doesns work Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 49/55] drm/amd/display: Fix COLOR_SPACE_YCBCR2020_TYPE matrix Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 50/55] x86/fpu: Use _Alignof to avoid undefined behavior in TYPE_ALIGN Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 51/55] arch: fix broken BuildID for arm64 and riscv Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 52/55] s390: define RUNTIME_DISCARD_EXIT to fix link error with GNU ld < 2.36 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 53/55] powerpc/vmlinux.lds: Define RUNTIME_DISCARD_EXIT Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 54/55] powerpc/vmlinux.lds: Dont discard .rela* for relocatable builds Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 5.4 55/55] powerpc/vmlinux.lds: Dont discard .comment Greg Kroah-Hartman
2023-01-23 7:09 ` [PATCH 5.4 00/55] 5.4.230-rc1 review Naresh Kamboju
2023-01-23 11:19 ` Sudip Mukherjee
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