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[PATCH OLK-5.10] objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()
by Liu Mingrui 19 Jun '25

19 Jun '25

From: Josh Poimboeuf <jpoimboe(a)kernel.org> stable inclusion from stable-v5.10.236 commit 976a85782246a29ba0f6d411a7a4f524cb9ea987 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC9910 CVE: CVE-2025-37937 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit e63d465f59011dede0a0f1d21718b59a64c3ff5c ] If dib8000_set_dds()'s call to dib8000_read32() returns zero, the result is a divide-by-zero. Prevent that from happening. Fixes the following warning with an UBSAN kernel: drivers/media/dvb-frontends/dib8000.o: warning: objtool: dib8000_tune() falls through to next function dib8096p_cfg_DibRx() Fixes: 173a64cb3fcf ("[media] dib8000: enhancement") Reported-by: kernel test robot <lkp(a)intel.com> Signed-off-by: Josh Poimboeuf <jpoimboe(a)kernel.org> Signed-off-by: Ingo Molnar <mingo(a)kernel.org> Cc: Mauro Carvalho Chehab <mchehab(a)kernel.org> Cc: Linus Torvalds <torvalds(a)linux-foundation.org> Link: https://lore.kernel.org/r/bd1d504d930ae3f073b1e071bcf62cae7708773c.17428528… Closes: https://lore.kernel.org/r/202503210602.fvH5DO1i-lkp@intel.com/ Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Liu Mingrui <liumingrui(a)huawei.com> --- drivers/media/dvb-frontends/dib8000.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index d67f2dd997d0..3cdf8de3f1c5 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -2701,8 +2701,11 @@ static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz) u8 ratio; if (state->revision == 0x8090) { + u32 internal = dib8000_read32(state, 23) / 1000; + ratio = 4; - unit_khz_dds_val = (1<<26) / (dib8000_read32(state, 23) / 1000); + + unit_khz_dds_val = (1<<26) / (internal ?: 1); if (offset_khz < 0) dds = (1 << 26) - (abs_offset_khz * unit_khz_dds_val); else -- 2.25.1

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[PATCH OLK-6.6] objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()
by Liu Mingrui 19 Jun '25

19 Jun '25

From: Josh Poimboeuf <jpoimboe(a)kernel.org> stable inclusion from stable-v6.6.87 commit 75b42dfe87657ede3da3f279bd6b1b16d69af954 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IC8J7I CVE: CVE-2025-37937 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit e63d465f59011dede0a0f1d21718b59a64c3ff5c ] If dib8000_set_dds()'s call to dib8000_read32() returns zero, the result is a divide-by-zero. Prevent that from happening. Fixes the following warning with an UBSAN kernel: drivers/media/dvb-frontends/dib8000.o: warning: objtool: dib8000_tune() falls through to next function dib8096p_cfg_DibRx() Fixes: 173a64cb3fcf ("[media] dib8000: enhancement") Reported-by: kernel test robot <lkp(a)intel.com> Signed-off-by: Josh Poimboeuf <jpoimboe(a)kernel.org> Signed-off-by: Ingo Molnar <mingo(a)kernel.org> Cc: Mauro Carvalho Chehab <mchehab(a)kernel.org> Cc: Linus Torvalds <torvalds(a)linux-foundation.org> Link: https://lore.kernel.org/r/bd1d504d930ae3f073b1e071bcf62cae7708773c.17428528… Closes: https://lore.kernel.org/r/202503210602.fvH5DO1i-lkp@intel.com/ Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: Liu Mingrui <liumingrui(a)huawei.com> --- drivers/media/dvb-frontends/dib8000.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index 2f5165918163..cfe59c3255f7 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -2701,8 +2701,11 @@ static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz) u8 ratio; if (state->revision == 0x8090) { + u32 internal = dib8000_read32(state, 23) / 1000; + ratio = 4; - unit_khz_dds_val = (1<<26) / (dib8000_read32(state, 23) / 1000); + + unit_khz_dds_val = (1<<26) / (internal ?: 1); if (offset_khz < 0) dds = (1 << 26) - (abs_offset_khz * unit_khz_dds_val); else -- 2.25.1

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[PATCH OLK-6.6 0/2] mm: pcp: increase pcp->free_count threshold to trigger free_high
by Jinjiang Tu 19 Jun '25

19 Jun '25

Nikhil Dhama (1): mm: pcp: increase pcp->free_count threshold to trigger free_high Songtang Liu (1): mm: page_alloc: remove redundant READ_ONCE mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.43.0

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[PATCH OLK-6.6] mm:userswap: change VM_USWAP_BIT to bit 61
by Wupeng Ma 19 Jun '25

19 Jun '25

Offering: HULK hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8KESX -------------------------------- During introduce userswap to 6.6, bit VM_USWAP is change to 62 by mistake. This is different with the existing bit in 5.10. Change this bit to bit 61 to fix this problem. Fixes: ec6250211515 ("mm/userswap: add VM_USWAP and SWP_USERSWAP_ENTRY") Signed-off-by: Wupeng Ma <mawupeng1(a)huawei.com> --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index d24d6115a9bf0..77a7d7c4c88c5 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -323,7 +323,7 @@ extern unsigned int kobjsize(const void *objp); #define VM_MERGEABLE 0x80000000 /* KSM may merge identical pages */ #ifdef CONFIG_USERSWAP -# define VM_USWAP_BIT 62 +# define VM_USWAP_BIT 61 #define VM_USWAP BIT(VM_USWAP_BIT) #else /* !CONFIG_USERSWAP */ #define VM_USWAP VM_NONE -- 2.43.0

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[PATCH openEuler-1.0-LTS] video: fbdev: amba-clcd: Fix refcount leak bugs
by Liu Chuang 19 Jun '25

19 Jun '25

From: Liang He <windhl(a)126.com> stable inclusion from stable-v4.19.256 commit a97ff8a949dbf41be89f436b2b1a2b3d794493df category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/ICGA5H CVE: CVE-2022-50109 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 26c2b7d9fac42eb8317f3ceefa4c1a9a9170ca69 ] In clcdfb_of_init_display(), we should call of_node_put() for the references returned by of_graph_get_next_endpoint() and of_graph_get_remote_port_parent() which have increased the refcount. Besides, we should call of_node_put() both in fail path or when the references are not used anymore. Fixes: d10715be03bd ("video: ARM CLCD: Add DT support") Signed-off-by: Liang He <windhl(a)126.com> Signed-off-by: Helge Deller <deller(a)gmx.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Liu Chuang <liuchuang40(a)huawei.com> --- drivers/video/fbdev/amba-clcd.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c index 38c1f324ce15..20eb93871630 100644 --- a/drivers/video/fbdev/amba-clcd.c +++ b/drivers/video/fbdev/amba-clcd.c @@ -772,8 +772,10 @@ static int clcdfb_of_init_display(struct clcd_fb *fb) return -ENODEV; panel = of_graph_get_remote_port_parent(endpoint); - if (!panel) - return -ENODEV; + if (!panel) { + err = -ENODEV; + goto out_endpoint_put; + } if (fb->vendor->init_panel) { err = fb->vendor->init_panel(fb, panel); @@ -783,11 +785,11 @@ static int clcdfb_of_init_display(struct clcd_fb *fb) err = clcdfb_of_get_backlight(panel, fb->panel); if (err) - return err; + goto out_panel_put; err = clcdfb_of_get_mode(&fb->dev->dev, panel, fb->panel); if (err) - return err; + goto out_panel_put; err = of_property_read_u32(fb->dev->dev.of_node, "max-memory-bandwidth", &max_bandwidth); @@ -816,11 +818,21 @@ static int clcdfb_of_init_display(struct clcd_fb *fb) if (of_property_read_u32_array(endpoint, "arm,pl11x,tft-r0g0b0-pads", - tft_r0b0g0, ARRAY_SIZE(tft_r0b0g0)) != 0) - return -ENOENT; + tft_r0b0g0, ARRAY_SIZE(tft_r0b0g0)) != 0) { + err = -ENOENT; + goto out_panel_put; + } + + of_node_put(panel); + of_node_put(endpoint); return clcdfb_of_init_tft_panel(fb, tft_r0b0g0[0], tft_r0b0g0[1], tft_r0b0g0[2]); +out_panel_put: + of_node_put(panel); +out_endpoint_put: + of_node_put(endpoint); + return err; } static int clcdfb_of_vram_setup(struct clcd_fb *fb) -- 2.34.1

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[PATCH OLK-6.6] nfs: handle failure of nfs_get_lock_context in unlock path
by Li Lingfeng 19 Jun '25

19 Jun '25

stable inclusion from stable-v6.6.92 commit a6879a076b98c99c9fe747816fe1c29543442441 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/ICGAL9 CVE: CVE-2025-38023 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit c457dc1ec770a22636b473ce5d35614adfe97636 ] When memory is insufficient, the allocation of nfs_lock_context in nfs_get_lock_context() fails and returns -ENOMEM. If we mistakenly treat an nfs4_unlockdata structure (whose l_ctx member has been set to -ENOMEM) as valid and proceed to execute rpc_run_task(), this will trigger a NULL pointer dereference in nfs4_locku_prepare. For example: BUG: kernel NULL pointer dereference, address: 000000000000000c PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP PTI CPU: 15 UID: 0 PID: 12 Comm: kworker/u64:0 Not tainted 6.15.0-rc2-dirty #60 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 Workqueue: rpciod rpc_async_schedule RIP: 0010:nfs4_locku_prepare+0x35/0xc2 Code: 89 f2 48 89 fd 48 c7 c7 68 69 ef b5 53 48 8b 8e 90 00 00 00 48 89 f3 RSP: 0018:ffffbbafc006bdb8 EFLAGS: 00010246 RAX: 000000000000004b RBX: ffff9b964fc1fa00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: fffffffffffffff4 RDI: ffff9ba53fddbf40 RBP: ffff9ba539934000 R08: 0000000000000000 R09: ffffbbafc006bc38 R10: ffffffffb6b689c8 R11: 0000000000000003 R12: ffff9ba539934030 R13: 0000000000000001 R14: 0000000004248060 R15: ffffffffb56d1c30 FS: 0000000000000000(0000) GS:ffff9ba5881f0000(0000) knlGS:00000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000000c CR3: 000000093f244000 CR4: 00000000000006f0 Call Trace: <TASK> __rpc_execute+0xbc/0x480 rpc_async_schedule+0x2f/0x40 process_one_work+0x232/0x5d0 worker_thread+0x1da/0x3d0 ? __pfx_worker_thread+0x10/0x10 kthread+0x10d/0x240 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x34/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK> Modules linked in: CR2: 000000000000000c ---[ end trace 0000000000000000 ]--- Free the allocated nfs4_unlockdata when nfs_get_lock_context() fails and return NULL to terminate subsequent rpc_run_task, preventing NULL pointer dereference. Fixes: f30cb757f680 ("NFS: Always wait for I/O completion before unlock") Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> Reviewed-by: Jeff Layton <jlayton(a)kernel.org> Link: https://lore.kernel.org/r/20250417072508.3850532-1-lilingfeng3@huawei.com Signed-off-by: Trond Myklebust <trond.myklebust(a)hammerspace.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/nfs/nfs4proc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 4b12e45f5753..c140427e322c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6880,10 +6880,18 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, struct nfs4_unlockdata *p; struct nfs4_state *state = lsp->ls_state; struct inode *inode = state->inode; + struct nfs_lock_context *l_ctx; p = kzalloc(sizeof(*p), GFP_KERNEL); if (p == NULL) return NULL; + l_ctx = nfs_get_lock_context(ctx); + if (!IS_ERR(l_ctx)) { + p->l_ctx = l_ctx; + } else { + kfree(p); + return NULL; + } p->arg.fh = NFS_FH(inode); p->arg.fl = &p->fl; p->arg.seqid = seqid; @@ -6891,7 +6899,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, p->lsp = lsp; /* Ensure we don't close file until we're done freeing locks! */ p->ctx = get_nfs_open_context(ctx); - p->l_ctx = nfs_get_lock_context(ctx); locks_init_lock(&p->fl); locks_copy_lock(&p->fl, fl); p->server = NFS_SERVER(inode); -- 2.46.1

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[PATCH OLK-5.10] nfs: handle failure of nfs_get_lock_context in unlock path
by Li Lingfeng 19 Jun '25

19 Jun '25

stable inclusion from stable-v5.10.238 commit 4c189fd40a09a03f9a900bedb2d9064f1734d72a category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/ICGAL9 CVE: CVE-2025-38023 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit c457dc1ec770a22636b473ce5d35614adfe97636 ] When memory is insufficient, the allocation of nfs_lock_context in nfs_get_lock_context() fails and returns -ENOMEM. If we mistakenly treat an nfs4_unlockdata structure (whose l_ctx member has been set to -ENOMEM) as valid and proceed to execute rpc_run_task(), this will trigger a NULL pointer dereference in nfs4_locku_prepare. For example: BUG: kernel NULL pointer dereference, address: 000000000000000c PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP PTI CPU: 15 UID: 0 PID: 12 Comm: kworker/u64:0 Not tainted 6.15.0-rc2-dirty #60 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 Workqueue: rpciod rpc_async_schedule RIP: 0010:nfs4_locku_prepare+0x35/0xc2 Code: 89 f2 48 89 fd 48 c7 c7 68 69 ef b5 53 48 8b 8e 90 00 00 00 48 89 f3 RSP: 0018:ffffbbafc006bdb8 EFLAGS: 00010246 RAX: 000000000000004b RBX: ffff9b964fc1fa00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: fffffffffffffff4 RDI: ffff9ba53fddbf40 RBP: ffff9ba539934000 R08: 0000000000000000 R09: ffffbbafc006bc38 R10: ffffffffb6b689c8 R11: 0000000000000003 R12: ffff9ba539934030 R13: 0000000000000001 R14: 0000000004248060 R15: ffffffffb56d1c30 FS: 0000000000000000(0000) GS:ffff9ba5881f0000(0000) knlGS:00000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000000c CR3: 000000093f244000 CR4: 00000000000006f0 Call Trace: <TASK> __rpc_execute+0xbc/0x480 rpc_async_schedule+0x2f/0x40 process_one_work+0x232/0x5d0 worker_thread+0x1da/0x3d0 ? __pfx_worker_thread+0x10/0x10 kthread+0x10d/0x240 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x34/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK> Modules linked in: CR2: 000000000000000c ---[ end trace 0000000000000000 ]--- Free the allocated nfs4_unlockdata when nfs_get_lock_context() fails and return NULL to terminate subsequent rpc_run_task, preventing NULL pointer dereference. Fixes: f30cb757f680 ("NFS: Always wait for I/O completion before unlock") Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> Reviewed-by: Jeff Layton <jlayton(a)kernel.org> Link: https://lore.kernel.org/r/20250417072508.3850532-1-lilingfeng3@huawei.com Signed-off-by: Trond Myklebust <trond.myklebust(a)hammerspace.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/nfs/nfs4proc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8dc77a194c62..349994e18fd6 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6726,10 +6726,18 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, struct nfs4_unlockdata *p; struct nfs4_state *state = lsp->ls_state; struct inode *inode = state->inode; + struct nfs_lock_context *l_ctx; p = kzalloc(sizeof(*p), GFP_NOFS); if (p == NULL) return NULL; + l_ctx = nfs_get_lock_context(ctx); + if (!IS_ERR(l_ctx)) { + p->l_ctx = l_ctx; + } else { + kfree(p); + return NULL; + } p->arg.fh = NFS_FH(inode); p->arg.fl = &p->fl; p->arg.seqid = seqid; @@ -6737,7 +6745,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, p->lsp = lsp; /* Ensure we don't close file until we're done freeing locks! */ p->ctx = get_nfs_open_context(ctx); - p->l_ctx = nfs_get_lock_context(ctx); locks_init_lock(&p->fl); locks_copy_lock(&p->fl, fl); p->server = NFS_SERVER(inode); -- 2.46.1

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[openeuler:openEuler-1.0-LTS] BUILD REGRESSION 4f84adc737008927c799b691e7b051bea90313cf
by kernel test robot 19 Jun '25

19 Jun '25

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 4f84adc737008927c799b691e7b051bea90313cf !16554 [openEuler-1.0-LTS] PCI: Supplement ACS quirk for more Zhaoxin Root Ports Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202505201642.9kWf73yF-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202505201731.rOzzhiIH-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202505201910.3QGTFYPj-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202505202028.GvFwJHdW-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202505202138.LT7VPPBg-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202506061449.nBm6oAvj-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202506061633.Zsp5yfyi-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202506061637.CVNqsEqf-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202506061755.yar1Fr9d-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202506071856.LxaA5NHF-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202506182031.ldH7VynO-lkp@intel.com /kbuild/src/headers/Makefile:626: include/config/auto.conf.cmd: No such file or directory include/linux/list.h:63:20: warning: storing the address of local variable 'ticket' in '((struct list_head *)((char *)space_info + 8))[10].prev' [-Wdangling-pointer=] kernel/sched/core.c:5976:22: error: 'root_task_group' undeclared (first use in this function); did you mean 'task_group'? kernel/sched/core.c:5989:29: error: 'root_task_group' undeclared (first use in this function); did you mean 'task_group'? mm/huge_memory.c:2092:8: warning: variable 'orig_pud' set but not used [-Wunused-but-set-variable] mm/hugetlb.c:1432:6: warning: no previous prototype for 'free_huge_page_to_dhugetlb_pool' [-Wmissing-prototypes] mm/khugepaged.c:1387: warning: Function parameter or member 'hpage' not described in 'collapse_shmem' mm/khugepaged.c:1387: warning: Function parameter or member 'mapping' not described in 'collapse_shmem' mm/khugepaged.c:1387: warning: Function parameter or member 'mm' not described in 'collapse_shmem' mm/khugepaged.c:1387: warning: Function parameter or member 'node' not described in 'collapse_shmem' mm/khugepaged.c:1387: warning: Function parameter or member 'reliable' not described in 'collapse_shmem' mm/khugepaged.c:1387: warning: Function parameter or member 'start' not described in 'collapse_shmem' mm/maccess.c:85:6: warning: no previous prototype for '__probe_user_read' [-Wmissing-prototypes] mm/memcontrol.c:5000:6: warning: no previous prototype for 'dhugetlb_pool_is_free' [-Wmissing-prototypes] mm/memcontrol.c:5000:6: warning: no previous prototype for function 'dhugetlb_pool_is_free' [-Wmissing-prototypes] mm/memcontrol.c:6728: warning: bad line: | 0, otherwise. mm/memory.c:4803:3: warning: cast from 'int (*)(unsigned long, unsigned long, struct cgp_args *)' to 'ktask_thread_func' (aka 'int (*)(void *, void *, void *)') converts to incompatible function type [-Wcast-function-type-mismatch] mm/memory_hotplug.c:481:16: warning: variable 'start_pfn' set but not used [-Wunused-but-set-variable] mm/memory_hotplug.c:481:23: warning: variable 'start_pfn' set but not used [-Wunused-but-set-variable] mm/memory_hotplug.c:970:13: warning: 'rollback_node_hotadd' defined but not used [-Wunused-function] mm/page_alloc.c:3123: warning: Function parameter or member 'mt' not described in '__putback_isolated_page' mm/rmap.c:916:17: warning: variable 'cstart' set but not used [-Wunused-but-set-variable] mm/rmap.c:916:31: warning: variable 'cstart' set but not used [-Wunused-but-set-variable] mm/vmalloc.c:231:16: warning: variable 'start' set but not used [-Wunused-but-set-variable] mm/vmalloc.c:231:23: warning: variable 'start' set but not used [-Wunused-but-set-variable] Unverified Error/Warning (likely false positive, kindly check if interested): mm/.tmp_vmacache.o: warning: objtool: missing symbol for section .text mm/hugetlb.c: linux/share_pool.h is included more than once. mm/shmem.c: linux/share_pool.h is included more than once. mm/swap.c: linux/memremap.h is included more than once. Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allmodconfig | |-- include-asm-generic-bitops-non-atomic.h:error:array-subscript-long-unsigned-int-is-partly-outside-array-bounds-of-u32-aka-unsigned-int | |-- include-uapi-linux-sctp.h:error:alignment-of-struct-sctp_paddr_change-is-less-than | |-- include-uapi-linux-sctp.h:error:alignment-of-struct-sctp_paddrinfo-is-less-than | |-- include-uapi-linux-sctp.h:error:alignment-of-struct-sctp_paddrparams-is-less-than | |-- include-uapi-linux-sctp.h:error:alignment-of-struct-sctp_prim-is-less-than | |-- include-uapi-linux-sctp.h:error:alignment-of-struct-sctp_setpeerprim-is-less-than | |-- include-uapi-linux-sctp.h:error:spinfo_address-offset-in-struct-sctp_paddrinfo-isn-t-aligned-to | |-- include-uapi-linux-sctp.h:error:spp_address-offset-in-struct-sctp_paddrparams-isn-t-aligned-to | |-- include-uapi-linux-sctp.h:error:ssp_addr-offset-in-struct-sctp_prim-isn-t-aligned-to | |-- include-uapi-linux-sctp.h:error:sspp_addr-offset-in-struct-sctp_setpeerprim-isn-t-aligned-to | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-memcontrol.c:warning:bad-line:otherwise. | |-- mm-memory_hotplug.c:warning:rollback_node_hotadd-defined-but-not-used | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- arm64-allnoconfig | |-- kernel-sched-core.c:error:root_task_group-undeclared-(first-use-in-this-function) | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- arm64-defconfig | |-- mm-hugetlb.c:warning:no-previous-prototype-for-free_huge_page_to_dhugetlb_pool | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-memcontrol.c:warning:bad-line:otherwise. | |-- mm-memcontrol.c:warning:no-previous-prototype-for-dhugetlb_pool_is_free | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- arm64-randconfig-001-20250618 | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- arm64-randconfig-002-20250618 | |-- mm-hugetlb.c:warning:no-previous-prototype-for-free_huge_page_to_dhugetlb_pool | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-memory_hotplug.c:warning:rollback_node_hotadd-defined-but-not-used | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- arm64-randconfig-003-20250618 | |-- include-linux-list.h:warning:storing-the-address-of-local-variable-ticket-in-((struct-list_head-)((char-)space_info-))-.prev | |-- mm-hugetlb.c:warning:no-previous-prototype-for-free_huge_page_to_dhugetlb_pool | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-memory_hotplug.c:warning:rollback_node_hotadd-defined-but-not-used | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- arm64-randconfig-004-20250618 | |-- kernel-sched-core.c:error:root_task_group-undeclared-(first-use-in-this-function) | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-memcontrol.c:warning:bad-line:otherwise. | |-- mm-memcontrol.c:warning:no-previous-prototype-for-dhugetlb_pool_is_free | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- x86_64-allnoconfig | |-- Makefile:include-config-auto.conf.cmd:No-such-file-or-directory | |-- mm-hugetlb.c:linux-share_pool.h-is-included-more-than-once. | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | |-- mm-shmem.c:linux-share_pool.h-is-included-more-than-once. | |-- mm-swap.c:linux-memremap.h-is-included-more-than-once. | |-- mm-vmalloc.c:warning:variable-start-set-but-not-used | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-allyesconfig | |-- mm-huge_memory.c:warning:variable-orig_pud-set-but-not-used | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-memcontrol.c:warning:bad-line:otherwise. | |-- mm-memory.c:warning:cast-from-int-(-)(unsigned-long-unsigned-long-struct-cgp_args-)-to-ktask_thread_func-(aka-int-(-)(void-void-void-)-)-converts-to-incompatible-function-type | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- x86_64-buildonly-randconfig-001-20250618 | |-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | |-- mm-vmalloc.c:warning:variable-start-set-but-not-used | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-buildonly-randconfig-002-20250618 | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | |-- mm-vmalloc.c:warning:variable-start-set-but-not-used | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-buildonly-randconfig-004-20250618 | |-- ld.lld:error:undefined-symbol:init_net | |-- mm-huge_memory.c:warning:variable-orig_pud-set-but-not-used | |-- mm-hugetlb.c:warning:no-previous-prototype-for-function-free_huge_page_to_dhugetlb_pool | |-- mm-khugepaged.c:warning:Function-parameter-or-member-hpage-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mapping-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-mm-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-node-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-reliable-not-described-in-collapse_shmem | |-- mm-khugepaged.c:warning:Function-parameter-or-member-start-not-described-in-collapse_shmem | |-- mm-memory.c:warning:cast-from-int-(-)(unsigned-long-unsigned-long-struct-cgp_args-)-to-ktask_thread_func-(aka-int-(-)(void-void-void-)-)-converts-to-incompatible-function-type | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- x86_64-buildonly-randconfig-005-20250618 | |-- mm-.tmp_vmacache.o:warning:objtool:missing-symbol-for-section-.text | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- x86_64-defconfig | |-- mm-hugetlb.c:warning:no-previous-prototype-for-free_huge_page_to_dhugetlb_pool | |-- mm-maccess.c:warning:no-previous-prototype-for-__probe_user_read | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- x86_64-randconfig-101-20250619 | |-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used |-- x86_64-randconfig-121-20250619 | |-- mm-hugetlb.c:warning:no-previous-prototype-for-function-free_huge_page_to_dhugetlb_pool | |-- mm-memcontrol.c:warning:bad-line:otherwise. | |-- mm-memcontrol.c:warning:no-previous-prototype-for-function-dhugetlb_pool_is_free | |-- mm-memory.c:warning:cast-from-int-(-)(unsigned-long-unsigned-long-struct-cgp_args-)-to-ktask_thread_func-(aka-int-(-)(void-void-void-)-)-converts-to-incompatible-function-type | |-- mm-memory_hotplug.c:warning:unused-variable-start_pfn | |-- mm-memory_hotplug.c:warning:variable-start_pfn-set-but-not-used | |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page | |-- mm-rmap.c:warning:variable-cstart-set-but-not-used | `-- mm-vmalloc.c:warning:variable-start-set-but-not-used `-- x86_64-randconfig-123-20250619 |-- mm-memcontrol.c:warning:bad-line:otherwise. |-- mm-memcontrol.c:warning:no-previous-prototype-for-function-dhugetlb_pool_is_free |-- mm-page_alloc.c:warning:Function-parameter-or-member-mt-not-described-in-__putback_isolated_page |-- mm-rmap.c:warning:variable-cstart-set-but-not-used |-- mm-vmalloc.c:warning:variable-start-set-but-not-used `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration elapsed time: 1261m configs tested: 17 configs skipped: 128 tested configs: arm64 allmodconfig gcc-15.1.0 arm64 allnoconfig gcc-15.1.0 arm64 defconfig gcc-15.1.0 arm64 randconfig-001-20250618 gcc-7.5.0 arm64 randconfig-002-20250618 gcc-9.5.0 arm64 randconfig-003-20250618 gcc-14.3.0 arm64 randconfig-004-20250618 gcc-8.5.0 x86_64 allnoconfig clang-20 x86_64 allyesconfig clang-20 x86_64 buildonly-randconfig-001-20250618 clang-20 x86_64 buildonly-randconfig-002-20250618 clang-20 x86_64 buildonly-randconfig-003-20250618 gcc-12 x86_64 buildonly-randconfig-004-20250618 clang-20 x86_64 buildonly-randconfig-005-20250618 clang-20 x86_64 buildonly-randconfig-006-20250618 gcc-12 x86_64 defconfig gcc-11 x86_64 rhel-9.4-rust clang-18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-5.10 V2 0/2] add-exec-ebpf-v3
by Cheng Yu 19 Jun '25

19 Jun '25

add-exec-ebpf-v3 Cheng Yu (2): sched/ebpf: Add bpf_sched_cfs_exec_set_cpumask hook sched/ebpf: Add helper to set prefer cpumask for the task fs/exec.c | 7 ++++++ include/linux/sched_hook_defs.h | 1 + include/uapi/linux/bpf.h | 7 ++++++ kernel/sched/bpf_sched.c | 38 +++++++++++++++++++++++++++++++++ tools/include/uapi/linux/bpf.h | 7 ++++++ tools/lib/bpf/libbpf_sched.h | 6 ++++++ 6 files changed, 66 insertions(+) -- 2.25.1

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[PATCH OLK-5.10] arm64: xcall: Fix GPR touch as the original step
by Yipeng Zou 19 Jun '25

19 Jun '25

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/ICG4XI -------------------------------- Kernel_{entry, exit} fast mode should only skip some alternative step but not any register. Fix it directly, moves all register touch outside fast mode. Fixes: f22cbd7df343 ("arm64: Faster SVC exception handler with xcall") Signed-off-by: Yipeng Zou <zouyipeng(a)huawei.com> --- arch/arm64/kernel/entry.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 976f629c60fe..b9d5b9b9ea52 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -212,8 +212,8 @@ alternative_else_nop_endif * Ensure MDSCR_EL1.SS is clear, since we can unmask debug exceptions * when scheduling. */ - .if \fast_mode == std ldr x19, [tsk, #TSK_TI_FLAGS] + .if \fast_mode == std disable_step_tsk x19, x20 .endif -- 2.34.1

2 1