[Gentle Reminder] On Mon, 26 Aug 2024 at 18:50, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > The following kernel warning is noticed on all arch and all devices while > running selftests: core: unshare_test on Linux next-20240823 and next-20240826. > > First seen on next-20240823. > Good: next-20240822 > BAD: next-20240823 and next-20240826 This is an open issue from August. The reported kernel warning is still seen on linux next and mainline while running selftests: core: unshare_test. Linux version: 6.13.0-rc2-next-20241210 > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > Crash log: > -------- > # selftests: core: unshare_test > <4>[ 61.084149] ------------[ cut here ]------------ > <4>[ 61.085175] WARNING: CPU: 0 PID: 477 at mm/util.c:671 > __kvmalloc_node_noprof (mm/util.c:671 (discriminator 1)) > <4>[ 61.088958] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce > sha512_ce sha512_arm64 drm fuse backlight dm_mod ip_tables x_tables > <4>[ 61.093141] CPU: 0 UID: 0 PID: 477 Comm: unshare_test Not > tainted 6.11.0-rc5-next-20240826 #1 > <4>[ 61.094558] Hardware name: linux,dummy-virt (DT) > <4>[ 61.096763] pstate: 23400009 (nzCv daif +PAN -UAO +TCO +DIT > -SSBS BTYPE=--) > <4>[ 61.097841] pc : __kvmalloc_node_noprof (mm/util.c:671 (discriminator 1)) > <4>[ 61.099701] lr : __kvmalloc_node_noprof (mm/util.c:661) > <4>[ 61.100448] sp : ffff800080abbce0 > <4>[ 61.100819] x29: ffff800080abbcf0 x28: fff0000004549280 x27: > 0000000000000000 > <4>[ 61.101744] x26: 0000000000000000 x25: 0000000000000000 x24: > fff0000003615e40 > <4>[ 61.102512] x23: fff0000003615ec0 x22: bfafa45863b285c8 x21: > 0000000200002000 > <4>[ 61.103232] x20: 00000000ffffffff x19: 0000000000400cc0 x18: > 0000000000000000 > <4>[ 61.104053] x17: 0000000000000000 x16: 0000000000000000 x15: > 0000000000000000 > <4>[ 61.104927] x14: 0000000000000000 x13: 0000000000000000 x12: > 0000000000000000 > <4>[ 61.105752] x11: 0000000000000000 x10: 0000000000000000 x9 : > 0000000000000000 > <4>[ 61.106606] x8 : 0000000000000001 x7 : 0000000000000001 x6 : > 0000000000000005 > <4>[ 61.107377] x5 : 0000000000000000 x4 : fff0000004549280 x3 : > 0000000000000000 > <4>[ 61.108207] x2 : 0000000000000000 x1 : 000000007fffffff x0 : > 0000000000000000 > <4>[ 61.109262] Call trace: > <4>[ 61.109619] __kvmalloc_node_noprof (mm/util.c:671 (discriminator 1)) > <4>[ 61.110248] alloc_fdtable (fs/file.c:133) > <4>[ 61.110751] expand_files > (include/linux/atomic/atomic-arch-fallback.h:457 > include/linux/atomic/atomic-instrumented.h:33 fs/file.c:177 > fs/file.c:238) > <4>[ 61.111171] ksys_dup3 (fs/file.c:1337) > <4>[ 61.111596] __arm64_sys_dup3 (fs/file.c:1355) > <4>[ 61.112006] invoke_syscall (arch/arm64/include/asm/current.h:19 > arch/arm64/kernel/syscall.c:54) > <4>[ 61.112480] el0_svc_common.constprop.0 > (include/linux/thread_info.h:127 (discriminator 2) > arch/arm64/kernel/syscall.c:140 (discriminator 2)) > <4>[ 61.112955] do_el0_svc (arch/arm64/kernel/syscall.c:152) > <4>[ 61.113384] el0_svc (arch/arm64/include/asm/irqflags.h:55 > arch/arm64/include/asm/irqflags.h:76 > arch/arm64/kernel/entry-common.c:165 > arch/arm64/kernel/entry-common.c:178 > arch/arm64/kernel/entry-common.c:713) > <4>[ 61.113742] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:731) > <4>[ 61.115181] el0t_64_sync (arch/arm64/kernel/entry.S:598) > <4>[ 61.115709] ---[ end trace 0000000000000000 ]--- > > > Crash Log links, > -------- > - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240826/testrun/24953436/suite/log-parser-test/test/check-kernel-exception-warning-cpu-pid-at-mmutilc-__kvmalloc_node_noprof/log > > Crash failed comparison: > ---------- > - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240826/testrun/24953436/suite/log-parser-test/test/check-kernel-exception-warning-cpu-pid-at-mmutilc-__kvmalloc_node_noprof/history/ > > metadata: > ---- > git describe: next-20240823 and next-20240826 > git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next > git sha: c79c85875f1af04040fe4492ed94ce37ad729c4d > > Please let me know if you need more information. > Kernel warning log: ----------------- - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241210/testrun/26261199/suite/kselftest-core/test/core_unshare_test/log > -- > Linaro LKFT > https://lkft.linaro.org
