While boting linux next-20220308 on BeagleBoard-X15 and qemu arm the following kernel crash reported which is CONFIG_KASAN enabled build [1] & [2]. Few configs [3] CONFIG_KASAN=y CONFIG_KASAN_GENERIC=y CONFIG_KASAN_OUTLINE=y # CONFIG_KASAN_INLINE is not set CONFIG_KASAN_STACK=y <> # CONFIG_UNWINDER_FRAME_POINTER is not set CONFIG_UNWINDER_ARM=y CONFIG_ARM_UNWIND=y metadata: git_ref: master git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_sha: cb153b68ff91cbc434f3de70ac549e110543e1bb git_describe: next-20220308 kernel-config: https://builds.tuxbuild.com/2661dIAPUjE2DMJvye91He2gus0/config [ 0.000000] Linux version 5.17.0-rc7-next-20220308 (tuxmake@tuxmake) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP @1646729452 [ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d <trim> [[0;32m OK [0m] Started Rebuild Dynamic Linker Cache. [ 10.756111] 8<--- cut here --- [ 10.757434] Unable to handle kernel paging request at virtual address 00003fe4 [ 10.760221] [00003fe4] *pgd=00000000 [ 10.761624] Internal error: Oops: 5 [#1] SMP ARM [ 10.763414] Modules linked in: [ 10.764628] CPU: 0 PID: 152 Comm: udevadm Not tainted 5.17.0-rc7-next-20220308 #1 [ 10.767979] Hardware name: Generic DT based system [ 10.770206] PC is at __read_once_word_nocheck+0x0/0x8 [ 10.772606] LR is at unwind_frame+0x680/0xab4 [ 10.774676] pc : [<c0313ffc>] lr : [<c031482c>] psr: 600f0013 [ 10.777544] sp : c66b3910 ip : c34d5940 fp : 00000000 [ 10.779972] r10: 00000000 r9 : c66b3a20 r8 : 809b47af [ 10.782413] r7 : c2957230 r6 : 00003fe4 r5 : 00004004 r4 : c66b3990 [ 10.785427] r3 : 00004004 r2 : 00000007 r1 : 00000000 r0 : 00003fe4 [ 10.788443] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 10.791726] Control: 10c5383d Table: 4746006a DAC: 00000051 [ 10.794420] Register r0 information: non-paged memory [ 10.796788] Register r1 information: NULL pointer [ 10.799004] Register r2 information: non-paged memory [ 10.801346] Register r3 information: non-paged memory [ 10.803719] Register r4 information: non-slab/vmalloc memory [ 10.806367] Register r5 information: non-paged memory [ 10.808720] Register r6 information: non-paged memory [ 10.811091] Register r7 information: non-slab/vmalloc memory [ 10.813728] Register r8 information: non-paged memory [ 10.816094] Register r9 information: non-slab/vmalloc memory [ 10.818743] Register r10 information: NULL pointer [ 10.820974] Register r11 information: NULL pointer [ 10.823227] Register r12 information: non-slab/vmalloc memory [ 10.825895] Process udevadm (pid: 152, stack limit = 0xed5429af) [ 10.828682] Stack: (0xc66b3910 to 0xc66b4000) [ 10.830737] 3900: 00000000 c8b591c0 c8b59210 c3842400 [ 10.834526] 3920: c34d5940 00008000 00003fe4 c66b3a6c c66b3a78 c66b3a70 b7cd672c c61d7380 [ 10.838303] 3940: c66b3a74 c66b3dac c2957230 00000003 c66b3a20 1965ee6e 00000000 c5cf6400 [ 10.842074] 3960: 41b58ab3 c277a460 c03141ac 00000000 c3573fc0 c4550588 c2d0a900 c0519f68 [ 10.845841] 3980: 41b58ab3 c2789cf8 c382243c 00000000 c053bf94 00000003 c61d7380 25706000 [ 10.849623] 39a0: c4c04000 c7f1d810 c7f1d828 00004004 c4052058 00003fe4 c182cf44 00000000 [ 10.853410] 39c0: c452e758 00000064 00090009 00000003 00090009 00000002 00000002 c08cb260 [ 10.857200] 39e0: c2d0a900 b7cd6744 c66b3a80 c61d7380 c66b3a40 c3573fc0 00000003 1965ee6e [ 10.860998] 3a00: 1965ee6e 00000000 600f0013 c66b3b60 1965ee6e c28974e0 c66b3bc4 c043af20 [ 10.864821] 3a20: 1965ee6e c2c13820 00000000 c038559c c2c13820 1965ee6e c2c13820 c61d7380 [ 10.868604] 3a40: b7cd6754 c61d7380 00000000 00000004 00000cc0 c2c07150 c66b3a94 c030da40 [ 10.872378] 3a60: c66b3ac0 00000000 00000000 00004004 c66b3db0 c182cf44 c182cf44 c66b3dac [ 10.876170] 3a80: c66b3cf8 1965ee6e 00260026 c66b3b00 b7cd6770 c040c060 00000026 c08cb260 [ 10.880372] 3aa0: 41b58ab3 c278c190 c040bfdc 000800e0 c19943e0 c7f1d800 c66b3cb4 c0562a1c [ 10.884274] 3ac0: 00000005 00000040 c66b3ba0 00000001 00000001 c61d7380 c0990664 00000cc0 [ 10.888160] 3ae0: c7f1d800 c66b3cb4 02e39ae9 0000b8e6 00000000 c03cc370 c745b400 b7cd676c [ 10.892023] 3b00: c2c06f50 0000b8e6 c66b3b80 c03ccaec c66b3d00 1965ee6e 00000000 c66b3ba0 [ 10.895925] 3b20: c28974e0 00000000 c2cf6560 c051d4c4 00000012 c3801200 00000cc0 c61d7380 [ 10.899823] 3b40: 00000004 c3801204 c2c07278 c66b3ba0 00000001 c61d7380 00000000 00000000 [ 10.903713] 3b60: 41b58ab3 c2788e18 c03cce00 c61d7380 b7cd677c c61d7380 00000000 c053746c [ 10.907826] 3b80: 41b58ab3 c2796554 c051d3a8 c030da40 c66b3c00 00000000 00000000 c66b3bc4 [ 10.911698] 3ba0: c03ccaec c03a75dc c03ad5e0 c03b482c c182cf44 1965ee6e 1965ee6e c66b3c40 [ 10.915579] 3bc0: c4550588 c040c060 b7cd6788 1965ee6e 00000000 1965ee6e c745c400 e82aabc0 [ 10.919456] 3be0: c745b400 8079a2ac 00000002 e82aab40 00000000 00000000 e82aacc4 c03a75dc [ 10.923335] 3c00: c9055504 00000000 00000000 00000001 00000000 c61d7380 b7cd6788 c745b480 [ 10.927195] 3c20: c66b3ca0 1965ee6e c040bfdc c61d7380 00000000 1965ee6e 00000000 c9055504 [ 10.931078] 3c40: 41b58ab3 c2788e18 c03a7440 c053746c c9055500 c61d7380 ff7eae78 c6237000 [ 10.934959] 3c60: 25706000 00000000 00013542 600f0093 c61d7654 c044e294 c61d7600 c745c000 [ 10.938847] 3c80: 00013542 00000000 00013542 00000000 c6237000 c03ac094 00000800 c09a7ee8 [ 10.942733] 3ca0: 41b58ab3 1965ee6e e82aabc0 c745b400 c745b400 e82aabc0 e82ab180 c3511180 [ 10.946603] 3cc0: 8079a2ac 00000002 e82aad1c c03ad5e0 00000000 c745b400 c3511960 e82aab40 [ 10.950482] 3ce0: c2c06f50 e82ab1ec e82aabc0 c61d7614 c76e3480 c03b482c c289578c 1965ee6e [ 10.954348] 3d00: c61d7380 c3801200 00000000 c356e980 00000cc0 00000004 00000cc0 c2c07150 [ 10.958214] 3d20: c0615340 c0516d4c c4c04c80 c2c18b20 c2c070dc c8b5be00 00000000 c66b3e50 [ 10.962131] 3d40: c8b5be44 c66b3e10 c66b3e10 00000000 00000003 c0615340 c66b3e10 00000001 [ 10.966006] 3d60: 00000001 c66b3df0 c66b3ec0 b7cd67b8 c7f1d800 c61d7380 c66b3f40 c66b3ec0 [ 10.969884] 3d80: c66b3e10 00000000 c19abc80 c053bf94 00000003 c61d7380 25706000 c4c04000 [ 10.973748] 3da0: c7f1d810 c7f1d828 00004004 c182cf44 c7f1d814 00020001 c7f1d800 00000020 [ 10.977609] 3dc0: 41b58ab3 c2797334 c053ba98 c2ba4b40 00000002 00000002 c61d7598 c61d7388 [ 10.981622] 3de0: b7cd67c0 c4c04ca8 c66b3e60 e82ab16c b6acaf65 00000003 00080040 000800e0 [ 10.985553] 3e00: 41b58ab3 c27887f4 c182c9ac c04cb4d8 00010000 00000000 00000003 c66b3df0 [ 10.989488] 3e20: 00000001 00000000 c08c2d08 00000100 00000001 c04061c0 e82ab400 c7f1d900 [ 10.993781] 3e40: c053dec0 c04021e0 00000000 00000000 c7f1d800 00000000 00000000 00000000 [ 10.997862] 3e60: 00000000 00000000 00000000 40040000 00000000 00000000 c61d75a4 c03002c4 [ 11.001983] 3e80: 00000002 5ac3c35a b6dffc88 c66b3fb0 c66b3ea4 c182d8e4 c387f780 c61d7ae4 [ 11.006052] 3ea0: 00000003 c61d7380 c66b3f80 c61d7380 b6acaf65 c056c8bc 5ac3c35a 00004000 [ 11.010057] 3ec0: 41b58ab3 c27970a8 c0537a1c 0051d5b8 c7f1d800 1965ee6e c7f1d820 c7f1d800 [ 11.014050] 3ee0: b7cd67e4 c7f1d800 c61d7380 c66b3f80 c7f1d840 00000000 00000000 c053c37c [ 11.018369] 3f00: 41b58ab3 c2798010 c055c494 00000000 00000000 00000000 00000012 00000000 [ 11.022313] 3f20: 41b58ab3 c2797380 c053c2c0 00000000 00000000 00000000 c350fb20 c0391fe0 [ 11.026184] 3f40: 00000000 00000000 c7f1d900 c61d7380 c350fb20 00000001 aedbb900 c0385240 [ 11.030043] 3f60: c7f1d900 c61d7380 00000001 00000006 c03002c4 c61d7380 00000006 1965ee6e [ 11.033946] 3f80: c7f1d900 0051d5b8 b6aca434 0048c1c0 00000004 c03002c4 c61d7380 00000004 [ 11.037790] 3fa0: aedbb900 c03000c0 0051d5b8 b6aca434 00000003 b6acaf65 00000003 00000000 [ 11.041654] 3fc0: 0051d5b8 b6aca434 0048c1c0 00000004 00000003 b6acaf65 0045b9f4 aedbb900 [ 11.045561] 3fe0: 0048be3c b6aca400 0040b29c aecbe4c0 600f0010 00000003 00000000 00000000 [ 11.049425] __read_once_word_nocheck from unwind_frame+0x680/0xab4 [ 11.052517] unwind_frame from __save_stack_trace+0x70/0x94 [ 11.052560] __save_stack_trace from stack_trace_save+0x84/0xac [ 11.052595] stack_trace_save from __kfence_alloc+0x11c/0x9d0 [[ [0; 1321.m05 OK 26[030m]] St__kfarentedce O_alpkglo fc firsrot bootm conf__igkmaurell. oc+0x460/0x58c [ 11.065215] __kmalloc from kernfs_fop_write_iter+0xdc/0x240 [ 11.068069] kernfs_fop_write_iter from vfs_write+0x4fc/0x6d0 [ 11.070909] vfs_write from ksys_write+0xbc/0x154 [ 11.073228] ksys_write from ret_fast_syscall+0x0/0x54 [ 11.075812] Code: e8bd8070 eec11e10 e3a00000 e12fff1e (e5900000) [ 11.079039] ---[ end trace 0000000000000000 ]--- Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> -- Linaro LKFT https://lkft.linaro.org [1] https://lkft.validation.linaro.org/scheduler/job/4677964#L600 [2] https://lkft.validation.linaro.org/scheduler/job/4677965#L2390 [3] https://builds.tuxbuild.com/2661dIAPUjE2DMJvye91He2gus0/
