From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Jiang Li <jiang.li@ugreen.com>, Song Liu <song@kernel.org>,
Sasha Levin <sashal@kernel.org>,
linux-raid@vger.kernel.org
Subject: [PATCH AUTOSEL 5.15 26/46] md/raid1: stop mdx_raid1 thread when raid1 array run failed
Date: Sun, 18 Dec 2022 11:12:24 -0500 [thread overview]
Message-ID: <20221218161244.930785-26-sashal@kernel.org> (raw)
In-Reply-To: <20221218161244.930785-1-sashal@kernel.org>
From: Jiang Li <jiang.li@ugreen.com>
[ Upstream commit b611ad14006e5be2170d9e8e611bf49dff288911 ]
fail run raid1 array when we assemble array with the inactive disk only,
but the mdx_raid1 thread were not stop, Even if the associated resources
have been released. it will caused a NULL dereference when we do poweroff.
This causes the following Oops:
[ 287.587787] BUG: kernel NULL pointer dereference, address: 0000000000000070
[ 287.594762] #PF: supervisor read access in kernel mode
[ 287.599912] #PF: error_code(0x0000) - not-present page
[ 287.605061] PGD 0 P4D 0
[ 287.607612] Oops: 0000 [#1] SMP NOPTI
[ 287.611287] CPU: 3 PID: 5265 Comm: md0_raid1 Tainted: G U 5.10.146 #0
[ 287.619029] Hardware name: xxxxxxx/To be filled by O.E.M, BIOS 5.19 06/16/2022
[ 287.626775] RIP: 0010:md_check_recovery+0x57/0x500 [md_mod]
[ 287.632357] Code: fe 01 00 00 48 83 bb 10 03 00 00 00 74 08 48 89 ......
[ 287.651118] RSP: 0018:ffffc90000433d78 EFLAGS: 00010202
[ 287.656347] RAX: 0000000000000000 RBX: ffff888105986800 RCX: 0000000000000000
[ 287.663491] RDX: ffffc90000433bb0 RSI: 00000000ffffefff RDI: ffff888105986800
[ 287.670634] RBP: ffffc90000433da0 R08: 0000000000000000 R09: c0000000ffffefff
[ 287.677771] R10: 0000000000000001 R11: ffffc90000433ba8 R12: ffff888105986800
[ 287.684907] R13: 0000000000000000 R14: fffffffffffffe00 R15: ffff888100b6b500
[ 287.692052] FS: 0000000000000000(0000) GS:ffff888277f80000(0000) knlGS:0000000000000000
[ 287.700149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.705897] CR2: 0000000000000070 CR3: 000000000320a000 CR4: 0000000000350ee0
[ 287.713033] Call Trace:
[ 287.715498] raid1d+0x6c/0xbbb [raid1]
[ 287.719256] ? __schedule+0x1ff/0x760
[ 287.722930] ? schedule+0x3b/0xb0
[ 287.726260] ? schedule_timeout+0x1ed/0x290
[ 287.730456] ? __switch_to+0x11f/0x400
[ 287.734219] md_thread+0xe9/0x140 [md_mod]
[ 287.738328] ? md_thread+0xe9/0x140 [md_mod]
[ 287.742601] ? wait_woken+0x80/0x80
[ 287.746097] ? md_register_thread+0xe0/0xe0 [md_mod]
[ 287.751064] kthread+0x11a/0x140
[ 287.754300] ? kthread_park+0x90/0x90
[ 287.757974] ret_from_fork+0x1f/0x30
In fact, when raid1 array run fail, we need to do
md_unregister_thread() before raid1_free().
Signed-off-by: Jiang Li <jiang.li@ugreen.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/md/raid1.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 9fa479493642..783763f6845f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -3141,6 +3141,7 @@ static int raid1_run(struct mddev *mddev)
* RAID1 needs at least one disk in active
*/
if (conf->raid_disks - mddev->degraded < 1) {
+ md_unregister_thread(&conf->thread);
ret = -EINVAL;
goto abort;
}
--
2.35.1
next prev parent reply other threads:[~2022-12-18 16:42 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-18 16:11 [PATCH AUTOSEL 5.15 01/46] drm/etnaviv: add missing quirks for GC300 Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 02/46] media: imx-jpeg: Disable useless interrupt to avoid kernel panic Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 03/46] brcmfmac: return error when getting invalid max_flowrings from dongle Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 04/46] wifi: ath9k: verify the expected usb_endpoints are present Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 05/46] wifi: ar5523: Fix use-after-free on ar5523_cmd() timed out Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 06/46] ASoC: codecs: rt298: Add quirk for KBL-R RVP platform Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 07/46] ipmi: fix memleak when unload ipmi driver Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 08/46] drm/amd/display: prevent memory leak Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 09/46] Revert "drm/amd/display: Limit max DSC target bpp for specific monitors" Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 10/46] qed (gcc13): use u16 for fid to be big enough Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 11/46] bpf: make sure skb->len != 0 when redirecting to a tunneling device Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 12/46] net: ethernet: ti: Fix return type of netcp_ndo_start_xmit() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 13/46] hamradio: baycom_epp: Fix return type of baycom_send_packet() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 14/46] wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 15/46] igb: Do not free q_vector unless new one was allocated Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 16/46] drm/amdgpu: Fix type of second parameter in trans_msg() callback Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 17/46] drm/amdgpu: Fix type of second parameter in odn_edit_dpm_table() callback Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 18/46] s390/ctcm: Fix return type of ctc{mp,}m_tx() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 19/46] s390/netiucv: Fix return type of netiucv_tx() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 20/46] s390/lcs: Fix return type of lcs_start_xmit() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 21/46] drm/msm: Use drm_mode_copy() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 22/46] drm/rockchip: " Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 23/46] drm/sti: " Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 24/46] drm/mediatek: Fix return type of mtk_hdmi_bridge_mode_valid() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 25/46] drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Sasha Levin
2022-12-18 16:12 ` Sasha Levin [this message]
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 27/46] drm/amd/display: fix array index out of bound error in bios parser Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 28/46] net: add atomic_long_t to net_device_stats fields Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 29/46] ipv6/sit: use DEV_STATS_INC() to avoid data-races Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 30/46] mrp: introduce active flags to prevent UAF when applicant uninit Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 31/46] ppp: associate skb with a device at tx Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 32/46] bpf: Prevent decl_tag from being referenced in func_proto arg Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 33/46] ethtool: avoiding integer overflow in ethtool_phys_id() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 34/46] media: dvb-frontends: fix leak of memory fw Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 35/46] media: dvbdev: adopts refcnt to avoid UAF Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 36/46] media: dvb-usb: fix memory leak in dvb_usb_adapter_init() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 37/46] blk-mq: fix possible memleak when register 'hctx' failed Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 38/46] drm/amd/display: Use the largest vready_offset in pipe group Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 39/46] libbpf: Avoid enum forward-declarations in public API in C++ mode Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 40/46] regulator: core: fix use_count leakage when handling boot-on Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 41/46] net: dpaa2: publish MAC stringset to ethtool -S even if MAC is missing Sasha Levin
2022-12-19 11:54 ` Vladimir Oltean
2022-12-24 0:29 ` Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 42/46] wifi: mt76: do not run mt76u_status_worker if the device is not running Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 43/46] mmc: f-sdh30: Add quirks for broken timeout clock capability Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 44/46] mmc: renesas_sdhi: better reset from HS400 mode Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 45/46] media: si470x: Fix use-after-free in si470x_int_in_callback() Sasha Levin
2022-12-18 16:12 ` [PATCH AUTOSEL 5.15 46/46] clk: st: Fix memory leak in st_of_quadfs_setup() Sasha Levin
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