On Thu, 6 Feb 2025 at 21:36, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > This is the start of the stable review cycle for the 6.6.76 release. > There are 389 patches in this series, all will be posted as a response > to this one. If anyone has any issues with these being applied, please > let me know. > > Responses should be made by Sat, 08 Feb 2025 15:51:12 +0000. > Anything received after that time might be too late. > > The whole patch series can be found in one patch at: > https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.6.76-rc2.gz > or in the git tree and branch at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y > and the diffstat can be found below. > > thanks, > > greg k-h There are three different regressions found and reporting here, We are working on bisecting and investigating these issues, 1) Regression on qemu-arm64 and FVP noticed this kernel warning running selftests: arm64: check_hugetlb_options test case on 6.6.76-rc1 and 6.6.76-rc2. Test regression: WARNING-arch-arm64-mm-copypage-copy_highpage ------------[ cut here ]------------ [ 96.920028] WARNING: CPU: 1 PID: 3611 at arch/arm64/mm/copypage.c:29 copy_highpage (arch/arm64/include/asm/mte.h:87) [ 96.922100] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables [ 96.925603] CPU: 1 PID: 3611 Comm: check_hugetlb_o Not tainted 6.6.76-rc2 #1 [ 96.926956] Hardware name: linux,dummy-virt (DT) [ 96.927695] pstate: 43402009 (nZcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 96.928687] pc : copy_highpage (arch/arm64/include/asm/mte.h:87) [ 96.929037] lr : copy_highpage (arch/arm64/include/asm/alternative-macros.h:232 arch/arm64/include/asm/cpufeature.h:443 arch/arm64/include/asm/cpufeature.h:504 arch/arm64/include/asm/cpufeature.h:814 arch/arm64/mm/copypage.c:27) [ 96.929399] sp : ffff800088aa3ab0 [ 96.930232] x29: ffff800088aa3ab0 x28: 00000000000001ff x27: 0000000000000000 [ 96.930784] x26: 0000000000000000 x25: 0000ffff9b800000 x24: 0000ffff9b9ff000 [ 96.931402] x23: fffffc0003257fc0 x22: ffff0000c95ff000 x21: ffff0000c93ff000 [ 96.932054] x20: fffffc0003257fc0 x19: fffffc000324ffc0 x18: 0000ffff9b800000 [ 96.933357] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 96.934091] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 [ 96.935095] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 96.935982] x8 : 0bfffc0001800000 x7 : 0000000000000000 x6 : 0000000000000000 [ 96.936536] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 96.937089] x2 : 0000000000000000 x1 : ffff0000c9600000 x0 : ffff0000c9400080 [ 96.939431] Call trace: [ 96.939920] copy_highpage (arch/arm64/include/asm/mte.h:87) [ 96.940443] copy_user_highpage (arch/arm64/mm/copypage.c:40) [ 96.940963] copy_user_large_folio (mm/memory.c:5977 mm/memory.c:6109) [ 96.941535] hugetlb_wp (mm/hugetlb.c:5701) [ 96.941948] hugetlb_fault (mm/hugetlb.c:6237) [ 96.942344] handle_mm_fault (mm/memory.c:5330) [ 96.942794] do_page_fault (arch/arm64/mm/fault.c:513 arch/arm64/mm/fault.c:626) [ 96.943341] do_mem_abort (arch/arm64/mm/fault.c:846) [ 96.943797] el0_da (arch/arm64/kernel/entry-common.c:133 arch/arm64/kernel/entry-common.c:144 arch/arm64/kernel/entry-common.c:547) [ 96.944229] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:0) [ 96.944765] el0t_64_sync (arch/arm64/kernel/entry.S:599) [ 96.945383] ---[ end trace 0000000000000000 ]--- 2) Regression on Gravition-V4 boot has noticed this kernel warning while booting the 6.6.76-rc1 and 6.6.76-rc2. Boot regression: WARNING-crypto-testmgr-alg_test [ 62.438009] ------------[ cut here ]------------ [ 62.440316] alg: self-tests for stdrng using drbg_nopr_hmac_sha512 failed (rc=-22) [ 62.440324] WARNING: CPU: 1 PID: 158 at crypto/testmgr.c:5936 alg_test (crypto/testmgr.c:5936 (discriminator 1)) [ 62.443128] Modules linked in: [ 62.443729] CPU: 1 PID: 158 Comm: cryptomgr_test Not tainted 6.6.76-rc2 #1 [ 62.445029] Hardware name: Amazon EC2 r8g.large/, BIOS 1.0 11/1/2018 [ 62.446248] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.447588] pc : alg_test (crypto/testmgr.c:5936 (discriminator 1)) [ 62.448306] lr : alg_test (crypto/testmgr.c:5936 (discriminator 1)) [ 62.449029] sp : ffff8000817c3d40 [ 62.449683] x29: ffff8000817c3d40 x28: ffffcf33cddf6388 x27: 0000000000000059 [ 62.451056] x26: 00000000ffffffea x25: 00000000ffffffff x24: ffffcf33cf699000 [ 62.452417] x23: ffffcf33cddf6388 x22: 000000000000000c x21: ffff0003c4627a80 [ 62.453786] x20: ffff0003c4627a00 x19: 0000000000000058 x18: 00000000fffffffe [ 62.455163] x17: 72282064656c6961 x16: 6620323135616873 x15: ffff8000817c3950 [ 62.456545] x14: 0000000000000000 x13: 00000000000003f2 x12: 00000000ffffffea [ 62.457927] x11: 00000000ffffefff x10: ffffcf33cf23d2d8 x9 : ffffcf33cf1e5278 [ 62.459319] x8 : 0000000000017fe8 x7 : c0000000ffffefff x6 : 0000000000057fa8 [ 62.460697] x5 : 0000000000000fff x4 : 0000000000000000 x3 : 0000000000000000 [ 62.462069] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0003c4697000 [ 62.463445] Call trace: [ 62.463940] alg_test (crypto/testmgr.c:5936 (discriminator 1)) [ 62.464595] cryptomgr_test (crypto/algboss.c:182) [ 62.465314] kthread (kernel/kthread.c:388) [ 62.465920] ret_from_fork (arch/arm64/kernel/entry.S:862) [ 62.466619] ---[ end trace 0000000000000000 ]--- 3) Regression on qemu-arm64 while running LTP fs fs_fill the following kernel warning found this was seen from the last rc round also. Boot regression: WARNING-fs-buffer-mark_buffer_dirty <3>[ 942.039675] Buffer I/O error on dev loop0, logical block 153753, lost async page write <3>[ 942.040482] I/O error, dev loop0, sector 1222152 op 0x1:(WRITE) flags 0x100000 phys_seg 1 prio class 2 <3>[ 942.041273] Buffer I/O error on dev loop0, logical block 152769, lost async page write <4>[ 942.048676] ------------[ cut here ]------------ <4>[ 942.051768] WARNING: CPU: 1 PID: 6290 at fs/buffer.c:1188 mark_buffer_dirty (fs/buffer.c:0) <4>[ 942.057394] Modules linked in: btrfs xor xor_neon raid6_pq zstd_compress libcrc32c tun crct10dif_ce sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables <4>[ 942.068545] CPU: 1 PID: 6290 Comm: fs_fill Not tainted 6.6.76-rc2 #1 <4>[ 942.071224] Hardware name: linux,dummy-virt (DT) <4>[ 942.074657] pstate: 83402009 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) <4>[ 942.076823] pc : mark_buffer_dirty (fs/buffer.c:0) <4>[ 942.077221] lr : mark_buffer_dirty_inode (fs/buffer.c:682) <4>[ 942.077523] sp : ffff8000822d3820 <4>[ 942.077766] x29: ffff8000822d3820 x28: 00000000000278f1 x27: 0000000000000001 <4>[ 942.081352] x26: 0000000000000000 x25: 0000000000001000 x24: ffff8000822d38e0 <4>[ 942.081928] x23: ffff8000822d39bc x22: ffff8000822d3920 x21: ffff0000ce30d1d0 <4>[ 942.082381] x20: ffff0000c0480b78 x19: ffff0000fabb3a90 x18: 00000059f17bbe9e <4>[ 942.082841] x17: 0000000000000000 x16: 0000000000000000 x15: 00000000c6a2c000 <4>[ 942.084209] x14: 0000000000000001 x13: ffff8000822d0000 x12: ffff8000822d4000 <4>[ 942.085009] x11: edcfb2436f68dc00 x10: 000000000000d84f x9 : ffffb9036e21ef44 <4>[ 942.085793] x8 : 0000000000000418 x7 : 00000000000275d8 x6 : ffff0000e2a98400 <4>[ 942.086706] x5 : ffff0000c77db560 x4 : 00000000ffffffff x3 : ffff8000822d3710 <4>[ 942.087819] x2 : ffff0000c29b4200 x1 : ffff0000ce30d058 x0 : ffff0000fabb3a90 <4>[ 942.091430] Call trace: <4>[ 942.093962] mark_buffer_dirty (fs/buffer.c:0) <4>[ 942.095407] ext2_get_blocks (fs/ext2/inode.c:602 fs/ext2/inode.c:765) <4>[ 942.097279] ext2_get_block (fs/ext2/inode.c:793) <4>[ 942.098201] __block_write_begin_int (fs/buffer.c:2127) <4>[ 942.098948] block_write_begin (fs/buffer.c:2235) <4>[ 942.099493] ext2_write_begin (fs/ext2/inode.c:924) <4>[ 942.099933] generic_perform_write (mm/filemap.c:4006) <4>[ 942.102488] __generic_file_write_iter (mm/filemap.c:0) <4>[ 942.103176] generic_file_write_iter (mm/filemap.c:4125) <4>[ 942.103607] ext2_file_write_iter (fs/ext2/file.c:0) <4>[ 942.104071] do_iter_write (fs/read_write.c:736 fs/read_write.c:860) <4>[ 942.104499] vfs_writev (fs/read_write.c:933) <4>[ 942.104901] do_writev (fs/read_write.c:976) <4>[ 942.105307] __arm64_sys_writev (fs/read_write.c:1046) <4>[ 942.105565] invoke_syscall (arch/arm64/kernel/syscall.c:52) <4>[ 942.106973] el0_svc_common (include/linux/thread_info.h:127 arch/arm64/kernel/syscall.c:142) <4>[ 942.107316] do_el0_svc (arch/arm64/kernel/syscall.c:154) <4>[ 942.107639] el0_svc (arch/arm64/kernel/entry-common.c:133 arch/arm64/kernel/entry-common.c:144 arch/arm64/kernel/entry-common.c:679) <4>[ 942.110407] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:731) <4>[ 942.111160] el0t_64_sync (arch/arm64/kernel/entry.S:599) <4>[ 942.113215] ---[ end trace 0000000000000000 ]--- Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> ## Source * kernel version: 6.6.76-rc2 * git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git * git sha: e5534ef3ba233d5207312b032b12b1d3788e94ac * git describe: v6.6.75-390-ge5534ef3ba23 * project details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23 ##Boot log fvp-aemva-qemu-arm64 qemu-arm64 log: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228347/suite/log-parser-test/test/exception-warning-cpu-pid-at-archarm64mmcopypage-copy_highpage/log fvp-aemva log: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228386/suite/log-parser-test/test/exception-warning-cpu-pid-at-archarm64mmcopypage-copy_highpage/log fvp-aemva details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228386/suite/log-parser-test/test/exception-warning-cpu-pid-at-archarm64mmcopypage-copy_highpage/details/ fvp-aemva-qemu-arm64 history: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228347/suite/log-parser-test/test/exception-warning-cpu-pid-at-archarm64mmcopypage-copy_highpage/history/ ##Boot log graviton-v4 graviton-v4 log: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228382/suite/log-parser-test/test/warning-warning-0m1mcpu-pid-at-cryptotestmgr-alg_test/log graviton-v4 details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228382/suite/log-parser-test/test/warning-warning-0m1mcpu-pid-at-cryptotestmgr-alg_test/details/ gravition-v4 history: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228382/suite/log-parser-test/test/warning-warning-0m1mcpu-pid-at-cryptotestmgr-alg_test/history/ ##Boot log qemu-arm64 * build log: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27228382/suite/log-parser-test/test/warning-warning-0m1mcpu-pid-at-cryptotestmgr-alg_test/details/ qemu-arm64 fsbuffer details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27229114/suite/log-parser-test/test/exception-warning-cpu-pid-at-fsbuffer-mark_buffer_dirty/details/ qemu-arm64 fsbuffer history: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.75-390-ge5534ef3ba23/testrun/27229261/suite/log-parser-test/test/exception-warning-cpu-pid-at-fsbuffer-mark_buffer_dirty/history/ -- Linaro LKFT https://lkft.linaro.org
