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Hermes SMTP Server) with ESMTPA ID 31f51d6647e4aa6b8fe0a92a02be23dd; Wed, 19 Nov 2025 03:03:28 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: Still seeing Failed assertion: "p[i] == 0" on armv7 buildworld [Notes from another example core dump: #4] [New common range #0..#10 __je_pa_alloc] Date: Tue, 18 Nov 2025 19:03:16 -0800 References: <4957be52-e57f-4f5f-9626-d0f706480fe1@FreeBSD.org> <87ldkai9lu.fsf@panix.com> <877bvthymv.fsf@panix.com> <13E753F4-84F8-4ADB-96B6-908897D6971C@yahoo.com> <3174F751-9853-4697-B0C0-98B54518A69F@yahoo.com> <463AC500-C7C7-43FB-B5EF-332CEBA3D944@yahoo.com> To: freebsd-arm@freebsd.org, freebsd-current@freebsd.org In-Reply-To: Message-Id: <3E0D6079-0F5B-463E-94D4-37506A837D33@yahoo.com> X-Mailer: Apple Mail (2.3826.700.81) X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.38 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; NEURAL_HAM_SHORT(-0.38)[-0.381]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; ARC_NA(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; DKIM_TRACE(0.00)[yahoo.com:+]; FREEMAIL_FROM(0.00)[yahoo.com]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.64.204:from]; APPLE_MAILER_COMMON(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.64.204:from] X-Rspamd-Queue-Id: 4dB5sN45Xxz3Ypn I'm only sending notes from testing of how similar other failures appear to the 2 lists. Folks can ask that I do otherwise for them if they want. This one does not have area_malloc involved at all. This one is for size 20480 (5 pages). It looks like #0..#10 are similar = to the prior reports. #10 is __je_pa_alloc. #11 is: __je_arena_extent_alloc_large (gdb) bt #0 thr_kill () at thr_kill.S:4 #1 0x2a08ef24 in __raise (s=3D6) at /usr/src/lib/libc/gen/raise.c:48 #2 0x2a145f38 in abort () at /usr/src/lib/libc/stdlib/abort.c:61 #3 0x2a196128 in ehooks_debug_zero_check (addr=3Daddr@entry=3D0x34b1e000,= size=3Dsize@entry=3D20480) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/ehooks.h:170 #4 0x2a191f60 in ehooks_alloc (tsdn=3D0x2a2e4060, ehooks=3D0x2a600080, = new_addr=3D0x0, size=3D, alignment=3D4096, = zero=3D0xffff9067, commit=3D) at /usr/src/contrib/jemalloc/include/jemalloc/internal/ehooks.h:208 #5 __je_extent_alloc_wrapper (tsdn=3Dtsdn@entry=3D0x2a2e4060, = pac=3D0x2a601810, ehooks=3D, new_addr=3D, = size=3D20480, alignment=3D64, zero=3Dtrue, commit=3D0xffff90c7,=20 growing_retained=3D) at jemalloc_extent.c:1003 #6 0x2a1916e0 in __je_ecache_alloc_grow (tsdn=3D, = tsdn@entry=3D0x2a2e4060, pac=3Dpac@entry=3D0x2a601810, = ehooks=3Dehooks@entry=3D0x2a600080, ecache=3D, = ecache@entry=3D0x2a603dd0,=20 expand_edata=3D0x0, size=3D20480, alignment=3D64, zero=3D, guarded=3D) at jemalloc_extent.c:126 #7 0x2a1c9680 in pac_alloc_real (tsdn=3D0x2a2e4060, pac=3D0x2a601810, = ehooks=3D0x2a600080, size=3D20480, alignment=3D64, zero=3D, guarded=3Dfalse) at jemalloc_pac.c:124 #8 pac_alloc_impl (tsdn=3Dtsdn@entry=3D0x2a2e4060, self=3D0x2a601810, = size=3Dsize@entry=3D20480, alignment=3D64, zero=3D, = guarded=3Dfalse, frequent_reuse=3D,=20 deferred_work_generated=3D) at jemalloc_pac.c:178 #9 0x2a1c7ae8 in pai_alloc (tsdn=3D0x2a2e4060, self=3D0x0, size=3D20480, = alignment=3D2147483615, alignment@entry=3D20480, zero=3D, = guarded=3Dfalse, frequent_reuse=3Dfalse,=20 deferred_work_generated=3D) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/pai.h:43 #10 __je_pa_alloc (tsdn=3Dtsdn@entry=3D0x2a2e4060, = shard=3Dshard@entry=3D0x2a601800, size=3Dsize@entry=3D20480, = alignment=3D, alignment@entry=3D64, slab=3Dfalse, = szind=3D39, zero=3D,=20 guarded=3Dfalse, deferred_work_generated=3D0xffff9193) at = jemalloc_pa.c:139 #11 0x2a169108 in __je_arena_extent_alloc_large = (tsdn=3Dtsdn@entry=3D0x2a2e4060, arena=3Darena@entry=3D0x2a600540, = usize=3Dusize@entry=3D16384, alignment=3Dalignment@entry=3D64, = zero=3D) at jemalloc_arena.c:338 #12 0x2a1976fc in __je_large_palloc (tsdn=3Dtsdn@entry=3D0x2a2e4060, = arena=3D, arena@entry=3D0x0, usize=3Dusize@entry=3D16384, = alignment=3D64, zero=3D) at jemalloc_large.c:37 #13 0x2a197230 in __je_large_malloc (tsdn=3D0x2a2e4060, arena=3D0x0, = usize=3D16384, zero=3Dfalse) at jemalloc_large.c:17 #14 0x2a16cb70 in __je_arena_palloc (tsdn=3D0x0, tsdn@entry=3D0x2a2e4060, = arena=3D0x0, usize=3D0, usize@entry=3D16384, = alignment=3Dalignment@entry=3D8, zero=3D, tcache=3D0x0) = at jemalloc_arena.c:1228 #15 0x2a16559c in ipallocztm (tsdn=3D0x2a2e4060, tsdn@entry=3D0x2a2e42c8, = usize=3D16384, alignment=3D8, zero=3Dfalse, tcache=3D0x2a2e42c8, = is_internal=3Dfalse, arena=3D0x0) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_inli= nes_c.h:80 #16 ipalloct (tsdn=3D0x0, tsdn@entry=3D0x2a2e4060, usize=3D16384, = alignment=3D8, zero=3Dfalse, tcache=3D0x2a2e42c8, arena=3D0x0) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_inli= nes_c.h:91 #17 0x2a1651f4 in imalloc_no_sample (sopts=3D0xffff92a4, = dopts=3D0xffff9284, tsd=3D0x2a2e4060, size=3D16384, usize=3D16384, = ind=3D) at jemalloc_jemalloc.c:2398 #18 imalloc_body (sopts=3D0xffff92a4, dopts=3D0xffff9284, = tsd=3D0x2a2e4060) at jemalloc_jemalloc.c:2577 #19 0x2a156188 in imalloc (sopts=3Dsopts@entry=3D0xffff92a4, = dopts=3D, dopts@entry=3D0xffff9284) at = jemalloc_jemalloc.c:2693 #20 0x2a15677c in __aligned_alloc (alignment=3D8, size=3D16384) at = jemalloc_jemalloc.c:2821 #21 0x29e61a00 in = std::__1::__libcpp_aligned_alloc[abi:se190107](unsigned int, unsigned = int) (__alignment=3D8, __size=3D) at = /usr/src/contrib/llvm-project/libcxx/include/__memory/aligned_alloc.h:43 #22 operator_new_aligned_impl (size=3D, alignment=3D8) at = /usr/src/contrib/llvm-project/libcxx/src/new.cpp:129 #23 operator new (size=3D, alignment=3D) = at /usr/src/contrib/llvm-project/libcxx/src/new.cpp:141 #24 0x20ff35f8 in Allocate () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/AllocatorBase.h:92= #25 StartNewSlab () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Allocator.h:344 #26 AllocateSlow () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Allocator.h:200 #27 0x267d7424 in Allocate () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Allocator.h:176 #28 Allocate () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Allocator.h:214 #29 operator new () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Allocator.h:448 #30 addValue () at = /usr/src/contrib/llvm-project/llvm/include/llvm/CodeGen/DIE.h:741 #31 0x2680e144 in addAttribute () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h:95 #32 addUInt () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:22= 7 #33 0x267ce318 in constructInlinedScopeDIE () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit= .cpp:721 #34 0x267ce010 in constructScopeDIE () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit= .cpp:601 #35 0x267cf328 in createAndAddScopeChildren () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit= .cpp:1161 #36 0x267ce094 in constructScopeDIE () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit= .cpp:615 #37 0x267cf328 in createAndAddScopeChildren () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit= .cpp:1161 #38 0x267d1790 in constructSubprogramScopeDIE () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit= .cpp:1101 #39 0x267e7320 in endFunctionImpl () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:2= 337 #40 0x267c92ac in endFunction () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase= .cpp:419 #41 0x26778bcc in emitFunctionBody () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp:1= 987 #42 0x2825f94c in runOnMachineFunction () at = /usr/src/contrib/llvm-project/llvm/lib/Target/ARM/ARMAsmPrinter.cpp:168 #43 0x26c15e88 in runOnFunction () at = /usr/src/contrib/llvm-project/llvm/lib/CodeGen/MachineFunctionPass.cpp:94 #44 0x276a9e74 in runOnFunction () at = /usr/src/contrib/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1440 #45 0x276b0d40 in runOnModule () at = /usr/src/contrib/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1486 #46 0x276aa5e0 in runOnModule () at = /usr/src/contrib/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1555 #47 run () at = /usr/src/contrib/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:541 #48 0x2216d2e8 in RunCodegenPipeline () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1157 --Type for more, q to quit, c to continue without paging-- #49 EmitAssembly () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1180 #50 EmitBackendOutput () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1341 #51 0x225cbca0 in HandleTranslationUnit () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:354 #52 0x22cff8e4 in ParseAST () at = /usr/src/contrib/llvm-project/clang/lib/Parse/ParseAST.cpp:184 #53 0x22b5a7b8 in Execute () at = /usr/src/contrib/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1078 #54 0x22adb800 in ExecuteAction () at = /usr/src/contrib/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1061= #55 0x22bf6a90 in ExecuteCompilerInvocation () at = /usr/src/contrib/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvoca= tion.cpp:280 #56 0x0002afc8 in cc1_main () at = /usr/src/contrib/llvm-project/clang/tools/driver/cc1_main.cpp:284 #57 0x00038548 in ExecuteCC1Tool () at = /usr/src/contrib/llvm-project/clang/tools/driver/driver.cpp:215 #58 0x227877ec in operator() () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:= 68 #59 operator() () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Job.cpp:440 #60 callback_fn<(lambda at = /usr/src/contrib/llvm-project/clang/lib/Driver/Job.cpp:440:22)>(void) () = at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:= 45 #61 0x27d88624 in operator() () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:= 68 #62 RunSafely () at = /usr/src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:42= 6 #63 0x22786e90 in Execute () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Job.cpp:440 #64 0x22748074 in ExecuteCommand () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Compilation.cpp:199 #65 0x227483d0 in ExecuteJobs () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Compilation.cpp:253 #66 0x22765bb8 in ExecuteCompilation () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Driver.cpp:1943 #67 0x00037ba4 in clang_main () at = /usr/src/contrib/llvm-project/clang/tools/driver/driver.cpp:391 #68 0x000363a8 in main () at = /usr/src/usr.bin/clang/clang/clang-driver.cpp:17 0x34b1dfd0: 0x34b1dfdc 0x00000001 0x00000004 = 0x2a436f28 0x34b1dfe0: 0x00000000 0xa5a5a5a5 0xa5a5a5a5 = 0xa5a5a5a5 0x34b1dff0: 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 = 0xa5a5a5a5 (gdb) x /1024x ((size_t*)addr)+0 0x34b1e000: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x34b1e010: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x34b1e020: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a . . . 0x34b22fd0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x34b22fe0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x34b22ff0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a (gdb) x /1024x ((size_t*)addr)+5192 0x34b23120: Cannot access memory at address 0x34b23120 For #0..#10: The prior examples and the above agree about: #5 __je_extent_alloc_wrapper zero=3Dtrue But also there was in this example: #13 __je_large_malloc zero=3Dfalse (The others before #13 are optimized out.) =3D=3D=3D Mark Millard marklmi at yahoo.com