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[PATCH v3 Linux-6.12.y 1/1] selftests/mm: build with -O2

by Yifei Liu

From: Kevin Brodsky <kevin.brodsky(a)arm.com> [ Upstream commit 46036188ea1f5266df23a6149dea0df1c77cd1c7 ] The mm kselftests are currently built with no optimisation (-O0). It's unclear why, and besides being obviously suboptimal, this also prevents the pkeys tests from working as intended. Let's build all the tests with -O2. [kevin.brodsky(a)arm.com: silence unused-result warnings] Link: https://lkml.kernel.org/r/20250107170110.2819685-1-kevin.brodsky@arm.com Link: https://lkml.kernel.org/r/20241209095019.1732120-6-kevin.brodsky@arm.com Signed-off-by: Kevin Brodsky <kevin.brodsky(a)arm.com> Cc: Aruna Ramakrishna <aruna.ramakrishna(a)oracle.com> Cc: Catalin Marinas <catalin.marinas(a)arm.com> Cc: Dave Hansen <dave.hansen(a)linux.intel.com> Cc: Joey Gouly <joey.gouly(a)arm.com> Cc: Keith Lucas <keith.lucas(a)oracle.com> Cc: Ryan Roberts <ryan.roberts(a)arm.com> Cc: Shuah Khan <shuah(a)kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> (cherry picked from commit 46036188ea1f5266df23a6149dea0df1c77cd1c7) [Yifei: This commit also fix the failure of pkey_sighandler_tests_64, which is also in linux-6.12.y, thus backport this commit. It is already backported to linux-6.13.y by commit d9eb5a1e76f56] Signed-off-by: Yifei Liu <yifei.l.liu(a)oracle.com> --- tools/testing/selftests/mm/Makefile | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index 02e1204971b0..c0138cb19705 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -33,9 +33,16 @@ endif # LDLIBS. MAKEFLAGS += --no-builtin-rules -CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES) +CFLAGS = -Wall -O2 -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES) LDLIBS = -lrt -lpthread -lm +# Some distributions (such as Ubuntu) configure GCC so that _FORTIFY_SOURCE is +# automatically enabled at -O1 or above. This triggers various unused-result +# warnings where functions such as read() or write() are called and their +# return value is not checked. Disable _FORTIFY_SOURCE to silence those +# warnings. +CFLAGS += -U_FORTIFY_SOURCE + TEST_GEN_FILES = cow TEST_GEN_FILES += compaction_test TEST_GEN_FILES += gup_longterm -- 2.46.0

8 months, 3 weeks

2
1
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6.6.78: timerlat_{hist,top} fail to build

by Guillaume Morin

Hello, The following patches prevent Linux 6.6.78+ rtla to build: - "rtla/timerlat_top: Set OSNOISE_WORKLOAD for kernel threads" (stable commit 41955b6c268154f81e34f9b61cf8156eec0730c0) - "rtla/timerlat_hist: Set OSNOISE_WORKLOAD for kernel threads" (stable commit 83b74901bdc9b58739193b8ee6989254391b6ba7) Both were added to Linux 6.6.78 based on the Fixes tag in the upstream commits. These patches prevent 6.6.78 rta to build with a similar error (missing kernel_workload in the params struct) src/timerlat_top.c:687:52: error: ‘struct timerlat_top_params’ has no member named ‘kernel_workload’ These patches appear to depend on "rtla/timerlat: Make user-space threads the default" commit fb9e90a67ee9a42779a8ea296a4cf7734258b27d which is not present in 6.6. I am not sure if it's better to revert them or pick up fb9e90a67ee9a42779a8ea296a4cf7734258b27d in 6.6. Tomas, what do you think? HTH, Guillaume. -- Guillaume Morin <guillaume(a)morinfr.org>

8 months, 3 weeks

3
3
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[PATCH v3] ufs: core: bsg: Fix memory crash in case arpmb command failed

by Arthur Simchaev

In case the device doesn't support arpmb, the kernel get memory crash due to copy user data in bsg_transport_sg_io_fn level. So in case ufs_bsg_exec_advanced_rpmb_req returned error, do not set the job's reply_len. Memory crash backtrace: 3,1290,531166405,-;ufshcd 0000:00:12.5: ARPMB OP failed: error code -22 4,1308,531166555,-;Call Trace: 4,1309,531166559,-; <TASK> 4,1310,531166565,-; ? show_regs+0x6d/0x80 4,1311,531166575,-; ? die+0x37/0xa0 4,1312,531166583,-; ? do_trap+0xd4/0xf0 4,1313,531166593,-; ? do_error_trap+0x71/0xb0 4,1314,531166601,-; ? usercopy_abort+0x6c/0x80 4,1315,531166610,-; ? exc_invalid_op+0x52/0x80 4,1316,531166622,-; ? usercopy_abort+0x6c/0x80 4,1317,531166630,-; ? asm_exc_invalid_op+0x1b/0x20 4,1318,531166643,-; ? usercopy_abort+0x6c/0x80 4,1319,531166652,-; __check_heap_object+0xe3/0x120 4,1320,531166661,-; check_heap_object+0x185/0x1d0 4,1321,531166670,-; __check_object_size.part.0+0x72/0x150 4,1322,531166679,-; __check_object_size+0x23/0x30 4,1323,531166688,-; bsg_transport_sg_io_fn+0x314/0x3b0 Fixes: 6ff265fc5ef6 ("scsi: ufs: core: bsg: Add advanced RPMB support in ufs_bsg") Cc: stable(a)vger.kernel.org Reviewed-by: Bean Huo <beanhuo(a)micron.com> Signed-off-by: Arthur Simchaev <arthur.simchaev(a)sandisk.com> --- Changes in v3: - changing !rpmb into rpmb and by swapping the two sizeof() expressions --- Changes in v2: - Add Fixes tag - Elaborate commit log --- drivers/ufs/core/ufs_bsg.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c index 8d4ad0a3f2cf..252186124669 100644 --- a/drivers/ufs/core/ufs_bsg.c +++ b/drivers/ufs/core/ufs_bsg.c @@ -194,10 +194,12 @@ static int ufs_bsg_request(struct bsg_job *job) ufshcd_rpm_put_sync(hba); kfree(buff); bsg_reply->result = ret; - job->reply_len = !rpmb ? sizeof(struct ufs_bsg_reply) : sizeof(struct ufs_rpmb_reply); /* complete the job here only if no error */ - if (ret == 0) + if (ret == 0) { + job->reply_len = rpmb ? sizeof(struct ufs_rpmb_reply) : + sizeof(struct ufs_bsg_reply); bsg_job_done(job, ret, bsg_reply->reply_payload_rcv_len); + } return ret; } -- 2.34.1

8 months, 3 weeks

1
0
0 0

[PATCH] mei: Add error logging in IRQ handler to prevent silent failures

by Wentao Liang

Log mei_irq_write_handler() errors to prevent silent IRQ handling failures. Fixes: 962ff7bcec24 ("mei: replace callback structures used as list head by list_head") Cc: stable(a)vger.kernel.org # 4.11+ Signed-off-by: Wentao Liang <vulab(a)iscas.ac.cn> --- drivers/misc/mei/hw-me.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index d11a0740b47c..5df42a64b4db 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1415,6 +1415,8 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) if (dev->pg_event != MEI_PG_EVENT_WAIT && dev->pg_event != MEI_PG_EVENT_RECEIVED) { rets = mei_irq_write_handler(dev, &cmpl_list); + if (rets) + dev_err(dev->dev, "mei_irq_write_handler ret = %d.\n", rets); dev->hbuf_is_ready = mei_hbuf_is_ready(dev); } -- 2.42.0.windows.2

8 months, 3 weeks

2
1
0 0

[PATCH v2] ufs: core: bsg: Fix memory crash in case arpmb command failed

by Arthur Simchaev

In case the device doesn't support arpmb, the kernel get memory crash due to copy user data in bsg_transport_sg_io_fn level. So in case ufs_bsg_exec_advanced_rpmb_req returned error, do not set the job's reply_len. Memory crash backtrace: 3,1290,531166405,-;ufshcd 0000:00:12.5: ARPMB OP failed: error code -22 4,1308,531166555,-;Call Trace: 4,1309,531166559,-; <TASK> 4,1310,531166565,-; ? show_regs+0x6d/0x80 4,1311,531166575,-; ? die+0x37/0xa0 4,1312,531166583,-; ? do_trap+0xd4/0xf0 4,1313,531166593,-; ? do_error_trap+0x71/0xb0 4,1314,531166601,-; ? usercopy_abort+0x6c/0x80 4,1315,531166610,-; ? exc_invalid_op+0x52/0x80 4,1316,531166622,-; ? usercopy_abort+0x6c/0x80 4,1317,531166630,-; ? asm_exc_invalid_op+0x1b/0x20 4,1318,531166643,-; ? usercopy_abort+0x6c/0x80 4,1319,531166652,-; __check_heap_object+0xe3/0x120 4,1320,531166661,-; check_heap_object+0x185/0x1d0 4,1321,531166670,-; __check_object_size.part.0+0x72/0x150 4,1322,531166679,-; __check_object_size+0x23/0x30 4,1323,531166688,-; bsg_transport_sg_io_fn+0x314/0x3b0 Fixes: 6ff265fc5ef6 ("scsi: ufs: core: bsg: Add advanced RPMB support in ufs_bsg") Cc: stable(a)vger.kernel.org Signed-off-by: Arthur Simchaev <arthur.simchaev(a)sandisk.com> --- Changes in v2: - Add Fixes tag - Elaborate commit log Signed-off-by: Arthur Simchaev <arthur.simchaev(a)sandisk.com> --- drivers/ufs/core/ufs_bsg.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c index 8d4ad0a3f2cf..a8ed9bc6e4f1 100644 --- a/drivers/ufs/core/ufs_bsg.c +++ b/drivers/ufs/core/ufs_bsg.c @@ -194,10 +194,12 @@ static int ufs_bsg_request(struct bsg_job *job) ufshcd_rpm_put_sync(hba); kfree(buff); bsg_reply->result = ret; - job->reply_len = !rpmb ? sizeof(struct ufs_bsg_reply) : sizeof(struct ufs_rpmb_reply); /* complete the job here only if no error */ - if (ret == 0) + if (ret == 0) { + job->reply_len = !rpmb ? sizeof(struct ufs_bsg_reply) : + sizeof(struct ufs_rpmb_reply); bsg_job_done(job, ret, bsg_reply->reply_payload_rcv_len); + } return ret; } -- 2.34.1

8 months, 3 weeks

4
7
0 0

[PATCH 5.10/5.15] smb: client: fix UAF in async decryption

by Anastasia Belova

From: Enzo Matsumiya <ematsumiya(a)suse.de> commit b0abcd65ec545701b8793e12bc27dc98042b151a upstream. Doing an async decryption (large read) crashes with a slab-use-after-free way down in the crypto API. Reproducer: # mount.cifs -o ...,seal,esize=1 //srv/share /mnt # dd if=/mnt/largefile of=/dev/null ... [ 194.196391] ================================================================== [ 194.196844] BUG: KASAN: slab-use-after-free in gf128mul_4k_lle+0xc1/0x110 [ 194.197269] Read of size 8 at addr ffff888112bd0448 by task kworker/u77:2/899 [ 194.197707] [ 194.197818] CPU: 12 UID: 0 PID: 899 Comm: kworker/u77:2 Not tainted 6.11.0-lku-00028-gfca3ca14a17a-dirty #43 [ 194.198400] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014 [ 194.199046] Workqueue: smb3decryptd smb2_decrypt_offload [cifs] [ 194.200032] Call Trace: [ 194.200191] <TASK> [ 194.200327] dump_stack_lvl+0x4e/0x70 [ 194.200558] ? gf128mul_4k_lle+0xc1/0x110 [ 194.200809] print_report+0x174/0x505 [ 194.201040] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 194.201352] ? srso_return_thunk+0x5/0x5f [ 194.201604] ? __virt_addr_valid+0xdf/0x1c0 [ 194.201868] ? gf128mul_4k_lle+0xc1/0x110 [ 194.202128] kasan_report+0xc8/0x150 [ 194.202361] ? gf128mul_4k_lle+0xc1/0x110 [ 194.202616] gf128mul_4k_lle+0xc1/0x110 [ 194.202863] ghash_update+0x184/0x210 [ 194.203103] shash_ahash_update+0x184/0x2a0 [ 194.203377] ? __pfx_shash_ahash_update+0x10/0x10 [ 194.203651] ? srso_return_thunk+0x5/0x5f [ 194.203877] ? crypto_gcm_init_common+0x1ba/0x340 [ 194.204142] gcm_hash_assoc_remain_continue+0x10a/0x140 [ 194.204434] crypt_message+0xec1/0x10a0 [cifs] [ 194.206489] ? __pfx_crypt_message+0x10/0x10 [cifs] [ 194.208507] ? srso_return_thunk+0x5/0x5f [ 194.209205] ? srso_return_thunk+0x5/0x5f [ 194.209925] ? srso_return_thunk+0x5/0x5f [ 194.210443] ? srso_return_thunk+0x5/0x5f [ 194.211037] decrypt_raw_data+0x15f/0x250 [cifs] [ 194.212906] ? __pfx_decrypt_raw_data+0x10/0x10 [cifs] [ 194.214670] ? srso_return_thunk+0x5/0x5f [ 194.215193] smb2_decrypt_offload+0x12a/0x6c0 [cifs] This is because TFM is being used in parallel. Fix this by allocating a new AEAD TFM for async decryption, but keep the existing one for synchronous READ cases (similar to what is done in smb3_calc_signature()). Also remove the calls to aead_request_set_callback() and crypto_wait_req() since it's always going to be a synchronous operation. Signed-off-by: Enzo Matsumiya <ematsumiya(a)suse.de> Signed-off-by: Steve French <stfrench(a)microsoft.com> Signed-off-by: Anastasia Belova <abelova(a)astralinux.ru> [ Anastasia: ] --- Backport fix for CVE-2024-50047 fs/cifs/smb2ops.c | 48 +++++++++++++++++++++++++++-------------------- fs/cifs/smb2pdu.c | 6 ++++++ 2 files changed, 34 insertions(+), 20 deletions(-) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 68f93de2b152..8cfce01cf699 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -4291,7 +4291,7 @@ smb2_get_enc_key(struct TCP_Server_Info *server, __u64 ses_id, int enc, u8 *key) */ static int crypt_message(struct TCP_Server_Info *server, int num_rqst, - struct smb_rqst *rqst, int enc) + struct smb_rqst *rqst, int enc, struct crypto_aead *tfm) { struct smb2_transform_hdr *tr_hdr = (struct smb2_transform_hdr *)rqst[0].rq_iov[0].iov_base; @@ -4302,8 +4302,6 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst, u8 key[SMB3_ENC_DEC_KEY_SIZE]; struct aead_request *req; u8 *iv; - DECLARE_CRYPTO_WAIT(wait); - struct crypto_aead *tfm; unsigned int crypt_len = le32_to_cpu(tr_hdr->OriginalMessageSize); void *creq; @@ -4314,15 +4312,6 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst, return rc; } - rc = smb3_crypto_aead_allocate(server); - if (rc) { - cifs_server_dbg(VFS, "%s: crypto alloc failed\n", __func__); - return rc; - } - - tfm = enc ? server->secmech.ccmaesencrypt : - server->secmech.ccmaesdecrypt; - if ((server->cipher_type == SMB2_ENCRYPTION_AES256_CCM) || (server->cipher_type == SMB2_ENCRYPTION_AES256_GCM)) rc = crypto_aead_setkey(tfm, key, SMB3_GCM256_CRYPTKEY_SIZE); @@ -4361,11 +4350,7 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst, aead_request_set_crypt(req, sg, sg, crypt_len, iv); aead_request_set_ad(req, assoc_data_len); - aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - crypto_req_done, &wait); - - rc = crypto_wait_req(enc ? crypto_aead_encrypt(req) - : crypto_aead_decrypt(req), &wait); + rc = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req); if (!rc && enc) memcpy(&tr_hdr->Signature, sign, SMB2_SIGNATURE_SIZE); @@ -4454,7 +4439,7 @@ smb3_init_transform_rq(struct TCP_Server_Info *server, int num_rqst, /* fill the 1st iov with a transform header */ fill_transform_hdr(tr_hdr, orig_len, old_rq, server->cipher_type); - rc = crypt_message(server, num_rqst, new_rq, 1); + rc = crypt_message(server, num_rqst, new_rq, 1, server->secmech.ccmaesencrypt); cifs_dbg(FYI, "Encrypt message returned %d\n", rc); if (rc) goto err_free; @@ -4480,8 +4465,9 @@ decrypt_raw_data(struct TCP_Server_Info *server, char *buf, unsigned int npages, unsigned int page_data_size, bool is_offloaded) { - struct kvec iov[2]; + struct crypto_aead *tfm; struct smb_rqst rqst = {NULL}; + struct kvec iov[2]; int rc; iov[0].iov_base = buf; @@ -4496,9 +4482,31 @@ decrypt_raw_data(struct TCP_Server_Info *server, char *buf, rqst.rq_pagesz = PAGE_SIZE; rqst.rq_tailsz = (page_data_size % PAGE_SIZE) ? : PAGE_SIZE; - rc = crypt_message(server, 1, &rqst, 0); + if (is_offloaded) { + if ((server->cipher_type == SMB2_ENCRYPTION_AES128_GCM) || + (server->cipher_type == SMB2_ENCRYPTION_AES256_GCM)) + tfm = crypto_alloc_aead("gcm(aes)", 0, 0); + else + tfm = crypto_alloc_aead("ccm(aes)", 0, 0); + if (IS_ERR(tfm)) { + rc = PTR_ERR(tfm); + cifs_server_dbg(VFS, "%s: Failed alloc decrypt TFM, rc=%d\n", __func__, rc); + + return rc; + } + } else { + if (unlikely(!server->secmech.ccmaesdecrypt)) + return -EIO; + + tfm = server->secmech.ccmaesdecrypt; + } + + rc = crypt_message(server, 1, &rqst, 0, tfm); cifs_dbg(FYI, "Decrypt message returned %d\n", rc); + if (is_offloaded) + crypto_free_aead(tfm); + if (rc) return rc; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 03651cc6b7a5..245e2dd5a194 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -998,6 +998,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) else cifs_server_dbg(VFS, "Missing expected negotiate contexts\n"); } + + if (server->cipher_type && !rc) { + rc = smb3_crypto_aead_allocate(server); + if (rc) + cifs_server_dbg(VFS, "%s: crypto alloc failed, rc=%d\n", __func__, rc); + } neg_exit: free_rsp_buf(resp_buftype, rsp); return rc; -- 2.43.0

8 months, 3 weeks

1
0
0 0

[PATCH] drm/radeon: Add error handlings for r420 CP errata initialization

by Wentao Liang

In r420_cp_errata_init(), the RESYNC information is stored even when the Scratch register is not correctly allocated. Change the return type of r420_cp_errata_init() from void to int to propagate errors to the caller. Add error checking after radeon_scratch_get() to ensure RESYNC information is stored to an allocated address. Log an error message and return the error code immediately when radeon_scratch_get() fails. Additionally, handle the return value of r420_cp_errata_init() in r420_startup() to log an appropriate error message and propagate the error if initialization fails. Fixes: 62cdc0c20663 ("drm/radeon/kms: Workaround RV410/R420 CP errata (V3)") Cc: stable(a)vger.kernel.org # 2.6.33+ Signed-off-by: Wentao Liang <vulab(a)iscas.ac.cn> --- drivers/gpu/drm/radeon/r420.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 9a31cdec6415..67c55153cba8 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -204,7 +204,7 @@ static void r420_clock_resume(struct radeon_device *rdev) WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl); } -static void r420_cp_errata_init(struct radeon_device *rdev) +static int r420_cp_errata_init(struct radeon_device *rdev) { int r; struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; @@ -215,7 +215,11 @@ static void r420_cp_errata_init(struct radeon_device *rdev) * The proper workaround is to queue a RESYNC at the beginning * of the CP init, apparently. */ - radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch); + r = radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch); + if (r) { + DRM_ERROR("failed to get scratch reg (%d).\n", r); + return r; + } r = radeon_ring_lock(rdev, ring, 8); WARN_ON(r); radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1)); @@ -290,8 +294,11 @@ static int r420_startup(struct radeon_device *rdev) dev_err(rdev->dev, "failed initializing CP (%d).\n", r); return r; } - r420_cp_errata_init(rdev); - + r = r420_cp_errata_init(rdev); + if (r) { + dev_err(rdev->dev, "failed initializing CP errata workaround (%d).\n", r); + return r; + } r = radeon_ib_pool_init(rdev); if (r) { dev_err(rdev->dev, "IB initialization failed (%d).\n", r); -- 2.42.0.windows.2

8 months, 3 weeks

2
1
0 0

[PATCH 4/4] char: misc: deallocate static minor in error path

by Thadeu Lima de Souza Cascardo

When creating sysfs files fail, the allocated minor must be freed such that it can be later reused. That is specially harmful for static minor numbers, since those would always fail to register later on. Fixes: 6d04d2b554b1 ("misc: misc_minor_alloc to use ida for all dynamic/misc dynamic minors") Cc: stable(a)vger.kernel.org Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo(a)igalia.com> --- drivers/char/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 7a768775e558..7843a1a34d64 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -266,8 +266,8 @@ int misc_register(struct miscdevice *misc) device_create_with_groups(&misc_class, misc->parent, dev, misc, misc->groups, "%s", misc->name); if (IS_ERR(misc->this_device)) { + misc_minor_free(misc->minor); if (is_dynamic) { - misc_minor_free(misc->minor); misc->minor = MISC_DYNAMIC_MINOR; } err = PTR_ERR(misc->this_device); -- 2.34.1

8 months, 4 weeks

2
1
0 0

Re: [PATCH 6.13 000/258] 6.13.4-rc2 review

by Ronald Warsow

Hi Greg no regressions here on x86_64 (RKL, Intel 11th Gen. CPU) Thanks Tested-by: Ronald Warsow <rwarsow(a)gmx.de>

8 months, 4 weeks

1
0
0 0

Re: [PATCH 6.13 000/274] 6.13.4-rc1 review

by Ronald Warsow

Hi Greg no regressions here on x86_64 (RKL, Intel 11th Gen. CPU) Thanks Tested-by: Ronald Warsow <rwarsow(a)gmx.de>

8 months, 4 weeks

1
0
0 0

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