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 4.14 04/25] f2fs: lets avoid panic if extent_tree is not created
Date: Sun, 22 Jan 2023 16:04:04 +0100 [thread overview]
Message-ID: <20230122150217.992802007@linuxfoundation.org> (raw)
In-Reply-To: <20230122150217.788215473@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 042c9d4f73cf..785c32f3b161 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -376,7 +376,8 @@ 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 15:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-22 15:04 [PATCH 4.14 00/25] 4.14.304-rc1 review Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 01/25] pNFS/filelayout: Fix coalescing test for single DS Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 02/25] net/ethtool/ioctl: return -EOPNOTSUPP if we have no phy stats Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 03/25] RDMA/srp: Move large values to a new enum for gcc13 Greg Kroah-Hartman
2023-01-22 15:04 ` Greg Kroah-Hartman [this message]
2023-01-22 15:04 ` [PATCH 4.14 05/25] nilfs2: fix general protection fault in nilfs_btree_insert() Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 06/25] xhci-pci: set the dma max_seg_size Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 07/25] usb: xhci: Check endpoint is valid before dereferencing it Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 08/25] prlimit: do_prlimit needs to have a speculation check Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 09/25] USB: serial: option: add Quectel EM05-G (GR) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 10/25] USB: serial: option: add Quectel EM05-G (CS) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 11/25] USB: serial: option: add Quectel EM05-G (RS) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 12/25] USB: serial: option: add Quectel EC200U modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 13/25] USB: serial: option: add Quectel EM05CN (SG) modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 14/25] USB: serial: option: add Quectel EM05CN modem Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 15/25] USB: misc: iowarrior: fix up header size for USB_DEVICE_ID_CODEMERCS_IOW100 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 16/25] usb: core: hub: disable autosuspend for TI TUSB8041 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 17/25] USB: serial: cp210x: add SCALANCE LPE-9000 device id Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 18/25] usb: host: ehci-fsl: Fix module alias Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 19/25] usb: gadget: g_webcam: Send color matching descriptor per frame Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 20/25] usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate() Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 21/25] usb-storage: apply IGNORE_UAS only for HIKSEMI MD202 on RTL9210 Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 22/25] serial: pch_uart: Pass correct sg to dma_unmap_sg() Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 23/25] serial: atmel: fix incorrect baudrate setup Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 24/25] gsmi: fix null-deref in gsmi_get_variable Greg Kroah-Hartman
2023-01-22 15:04 ` [PATCH 4.14 25/25] x86/fpu: Use _Alignof to avoid undefined behavior in TYPE_ALIGN Greg Kroah-Hartman
2023-01-23 10:20 ` [PATCH 4.14 00/25] 4.14.304-rc1 review Naresh Kamboju
2023-01-24 2:43 ` Guenter Roeck
2023-01-25 10:34 ` Jon Hunter
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