tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: a6bd6c9333397f5a0e2667d4d82fef8c970108f2 commit: c64e38ed88d13557ebeb4cb8def02390a8f3dfc4 [1083/1266] mm/slab: enable slab allocation tagging for kmalloc and friends config: xtensa-randconfig-r006-20221106 (https://download.01.org/0day-ci/archive/20240329/202403291202.l27Op2ak-lkp@xxxxxxxxx/config) compiler: xtensa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240329/202403291202.l27Op2ak-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403291202.l27Op2ak-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/mtd/chips/cfi_probe.o:drivers/mtd/chips/cfi_probe.c:197:(.xiptext+0x5e): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_probe.o: in function `kmalloc_noprof': >> include/linux/slab.h:653:(.xiptext+0x130): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: __kmalloc_noprof drivers/mtd/chips/cfi_probe.o: in function `cfi_chip_setup': drivers/mtd/chips/cfi_probe.c:212:(.xiptext+0x156): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: memset drivers/mtd/chips/cfi_probe.c:212:(.xiptext+0x166): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_probe.c:250:(.xiptext+0x36c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_send_gen_cmd drivers/mtd/chips/cfi_probe.c:263:(.xiptext+0x382): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_send_gen_cmd drivers/mtd/chips/cfi_probe.c:264:(.xiptext+0x396): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_send_gen_cmd drivers/mtd/chips/cfi_probe.c:265:(.xiptext+0x3ab): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_send_gen_cmd drivers/mtd/chips/cfi_probe.o: in function `arch_local_irq_enable': arch/xtensa/include/asm/irqflags.h:61:(.xiptext+0x5eb): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.text.unlikely+0x4) drivers/mtd/chips/cfi_probe.o: in function `cfi_early_fixup': drivers/mtd/chips/cfi_probe.c:84:(.xiptext+0x618): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _printk drivers/mtd/chips/cfi_probe.o: in function `cfi_chip_setup': drivers/mtd/chips/cfi_probe.c:286:(.xiptext+0x66a): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_probe.c:98:(.xiptext+0x68a): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _printk drivers/mtd/chips/cfi_probe.c:98:(.xiptext+0x6b6): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _printk drivers/mtd/chips/cfi_probe.o: in function `cfi_probe_chip': drivers/mtd/chips/cfi_probe.c:142:(.xiptext+0x7da): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _printk drivers/mtd/chips/cfi_probe.c:154:(.xiptext+0x850): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _printk drivers/mtd/chips/cfi_util.o:drivers/mtd/chips/cfi_util.c:221:(.xiptext+0x26): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_util.o: in function `cfi_qry_present': drivers/mtd/chips/cfi_util.c:221:(.xiptext+0x42): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:226:(.xiptext+0x52): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:227:(.xiptext+0x60): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:240:(.xiptext+0x102): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: __stack_chk_fail drivers/mtd/chips/cfi_util.c:244:(.xiptext+0x126): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_util.c:287:(.xiptext+0x133): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_qry_mode_off': drivers/mtd/chips/cfi_util.c:287:(.xiptext+0x14b): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:292:(.xiptext+0x18c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:294:(.xiptext+0x1d6): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_util.c:294:(.xiptext+0x1e3): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:249:(.xiptext+0x20c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_qry_mode_on': drivers/mtd/chips/cfi_util.c:249:(.xiptext+0x23f): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_send_gen_cmd': drivers/mtd/chips/cfi_util.c:213:(.xiptext+0x257): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:213:(.xiptext+0x280): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:208:(.xiptext+0x2bb): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:207:(.xiptext+0x2e7): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.c:208:(.xiptext+0x317): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_build_cmd_addr': drivers/mtd/chips/cfi_util.c:47:(.xiptext+0x347): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_qry_mode_on': drivers/mtd/chips/cfi_util.c:264:(.xiptext+0x360): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd_addr drivers/mtd/chips/cfi_util.c:264:(.xiptext+0x36f): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_build_cmd_addr': drivers/mtd/chips/cfi_util.c:47:(.xiptext+0x39f): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_send_gen_cmd': drivers/mtd/chips/cfi_util.c:208:(.xiptext+0x3d3): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_build_cmd_addr': drivers/mtd/chips/cfi_util.c:47:(.xiptext+0x400): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_send_gen_cmd': drivers/mtd/chips/cfi_util.c:213:(.xiptext+0x418): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd_addr drivers/mtd/chips/cfi_util.o: in function `cfi_qry_mode_on': drivers/mtd/chips/cfi_util.c:271:(.xiptext+0x426): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_build_cmd_addr': drivers/mtd/chips/cfi_util.c:47:(.xiptext+0x454): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_util.o: in function `cfi_send_gen_cmd': drivers/mtd/chips/cfi_util.c:208:(.xiptext+0x4aa): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_util.o: in function `cfi_qry_mode_on': drivers/mtd/chips/cfi_util.c:278:(.xiptext+0x4de): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _printk drivers/mtd/chips/cfi_util.c:282:(.xiptext+0x4f2): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: __kmalloc_noprof drivers/mtd/chips/cfi_cmdset_0002.o: in function `fixup_convert_atmel_pri': drivers/mtd/chips/cfi_cmdset_0002.c:319:(.text+0xee3): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_read_pri drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_cmdset_0002': drivers/mtd/chips/cfi_cmdset_0002.c:731:(.text+0x12c6): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_fixup_m29ew_delay_after_resume': drivers/mtd/chips/cfi_cmdset_0002.c:597:(.text+0x13bb): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_read': drivers/mtd/chips/cfi_cmdset_0002.c:1250:(.text+0x1a7c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0xcd0) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_reboot': drivers/mtd/chips/cfi_cmdset_0002.c:3088:(.text+0x1c80): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_destroy': drivers/mtd/chips/cfi_cmdset_0002.c:3103:(.text+0x1cd2): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x11c) drivers/mtd/chips/cfi_cmdset_0002.o: in function `do_ppb_xxlock': drivers/mtd/chips/cfi_cmdset_0002.c:2789:(.text+0x2076): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_ppb_unlock': drivers/mtd/chips/cfi_cmdset_0002.c:2800:(.text+0x20c4): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.c:2859:(.text+0x223c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.c:2863:(.text+0x228c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_secsi_read': drivers/mtd/chips/cfi_cmdset_0002.c:1380:(.text+0x2b9b): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0xc30) drivers/mtd/chips/cfi_cmdset_0002.c:1374:(.text+0x2dc2): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0xc30) drivers/mtd/chips/cfi_cmdset_0002.o: in function `otp_enter': drivers/mtd/chips/cfi_cmdset_0002.c:1287:(.text+0x2eea): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0xc30) drivers/mtd/chips/cfi_cmdset_0002.o: in function `do_otp_write': drivers/mtd/chips/cfi_cmdset_0002.c:1414:(.text+0x3088): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0xc30) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_write_words': drivers/mtd/chips/cfi_cmdset_0002.c:1862:(.text+0x32ae): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x1474) drivers/mtd/chips/cfi_cmdset_0002.c:1904:(.text+0x344f): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_qry_mode_on drivers/mtd/chips/cfi_cmdset_0002.c:1916:(.text+0x34d7): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_qry_mode_off drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_otp_walk': drivers/mtd/chips/cfi_cmdset_0002.c:1587:(.text+0x3c9b): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x518) drivers/mtd/chips/cfi_cmdset_0002.o: in function `cfi_amdstd_lock_user_prot_reg': drivers/mtd/chips/cfi_cmdset_0002.c:1638:(.text+0x3cee): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: (.xiptext+0x11c) drivers/mtd/chips/cfi_cmdset_0002.o:drivers/mtd/chips/cfi_cmdset_0002.c:1031:(.xiptext+0xa): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_cmdset_0002.o: in function `xip_enable': drivers/mtd/chips/cfi_cmdset_0002.c:1035:(.xiptext+0x2c): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: cfi_build_cmd drivers/mtd/chips/cfi_cmdset_0002.c:1041:(.xiptext+0x6e): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: _mcount drivers/mtd/chips/cfi_cmdset_0002.o: in function `do_write_buffer_reset': vim +653 include/linux/slab.h a0c3b940023eef Hyeonggon Yoo 2022-08-17 596 f1b6eb6e6be149 Christoph Lameter 2013-09-04 597 /** 838de63b101147 Vlastimil Babka 2022-11-10 598 * kmalloc - allocate kernel memory f1b6eb6e6be149 Christoph Lameter 2013-09-04 599 * @size: how many bytes of memory are required. 838de63b101147 Vlastimil Babka 2022-11-10 600 * @flags: describe the allocation context f1b6eb6e6be149 Christoph Lameter 2013-09-04 601 * f1b6eb6e6be149 Christoph Lameter 2013-09-04 602 * kmalloc is the normal method of allocating memory f1b6eb6e6be149 Christoph Lameter 2013-09-04 603 * for objects smaller than page size in the kernel. 7e3528c3660a2e Randy Dunlap 2013-11-22 604 * 59bb47985c1db2 Vlastimil Babka 2019-10-06 605 * The allocated object address is aligned to at least ARCH_KMALLOC_MINALIGN 59bb47985c1db2 Vlastimil Babka 2019-10-06 606 * bytes. For @size of power of two bytes, the alignment is also guaranteed 59bb47985c1db2 Vlastimil Babka 2019-10-06 607 * to be at least to the size. 59bb47985c1db2 Vlastimil Babka 2019-10-06 608 * 01598ba6b1a863 Mike Rapoport 2018-11-11 609 * The @flags argument may be one of the GFP flags defined at e9d198f2be851f Thorsten Scherer 2023-03-12 610 * include/linux/gfp_types.h and described at 01598ba6b1a863 Mike Rapoport 2018-11-11 611 * :ref:`Documentation/core-api/mm-api.rst <mm-api-gfp-flags>` 7e3528c3660a2e Randy Dunlap 2013-11-22 612 * 01598ba6b1a863 Mike Rapoport 2018-11-11 613 * The recommended usage of the @flags is described at 2370ae4b1d5aa7 Mauro Carvalho Chehab 2020-04-10 614 * :ref:`Documentation/core-api/memory-allocation.rst <memory_allocation>` 7e3528c3660a2e Randy Dunlap 2013-11-22 615 * 01598ba6b1a863 Mike Rapoport 2018-11-11 616 * Below is a brief outline of the most useful GFP flags 7e3528c3660a2e Randy Dunlap 2013-11-22 617 * 01598ba6b1a863 Mike Rapoport 2018-11-11 618 * %GFP_KERNEL 01598ba6b1a863 Mike Rapoport 2018-11-11 619 * Allocate normal kernel ram. May sleep. 7e3528c3660a2e Randy Dunlap 2013-11-22 620 * 01598ba6b1a863 Mike Rapoport 2018-11-11 621 * %GFP_NOWAIT 01598ba6b1a863 Mike Rapoport 2018-11-11 622 * Allocation will not sleep. 7e3528c3660a2e Randy Dunlap 2013-11-22 623 * 01598ba6b1a863 Mike Rapoport 2018-11-11 624 * %GFP_ATOMIC 01598ba6b1a863 Mike Rapoport 2018-11-11 625 * Allocation will not sleep. May use emergency pools. 7e3528c3660a2e Randy Dunlap 2013-11-22 626 * 7e3528c3660a2e Randy Dunlap 2013-11-22 627 * Also it is possible to set different flags by OR'ing 7e3528c3660a2e Randy Dunlap 2013-11-22 628 * in one or more of the following additional @flags: 7e3528c3660a2e Randy Dunlap 2013-11-22 629 * 838de63b101147 Vlastimil Babka 2022-11-10 630 * %__GFP_ZERO 838de63b101147 Vlastimil Babka 2022-11-10 631 * Zero the allocated memory before returning. Also see kzalloc(). 838de63b101147 Vlastimil Babka 2022-11-10 632 * 01598ba6b1a863 Mike Rapoport 2018-11-11 633 * %__GFP_HIGH 01598ba6b1a863 Mike Rapoport 2018-11-11 634 * This allocation has high priority and may use emergency pools. 7e3528c3660a2e Randy Dunlap 2013-11-22 635 * 01598ba6b1a863 Mike Rapoport 2018-11-11 636 * %__GFP_NOFAIL 01598ba6b1a863 Mike Rapoport 2018-11-11 637 * Indicate that this allocation is in no way allowed to fail 7e3528c3660a2e Randy Dunlap 2013-11-22 638 * (think twice before using). 7e3528c3660a2e Randy Dunlap 2013-11-22 639 * 01598ba6b1a863 Mike Rapoport 2018-11-11 640 * %__GFP_NORETRY 01598ba6b1a863 Mike Rapoport 2018-11-11 641 * If memory is not immediately available, 7e3528c3660a2e Randy Dunlap 2013-11-22 642 * then give up at once. 7e3528c3660a2e Randy Dunlap 2013-11-22 643 * 01598ba6b1a863 Mike Rapoport 2018-11-11 644 * %__GFP_NOWARN 01598ba6b1a863 Mike Rapoport 2018-11-11 645 * If allocation fails, don't issue any warnings. 7e3528c3660a2e Randy Dunlap 2013-11-22 646 * 01598ba6b1a863 Mike Rapoport 2018-11-11 647 * %__GFP_RETRY_MAYFAIL 01598ba6b1a863 Mike Rapoport 2018-11-11 648 * Try really hard to succeed the allocation but fail dcda9b04713c3f Michal Hocko 2017-07-12 649 * eventually. f1b6eb6e6be149 Christoph Lameter 2013-09-04 650 */ c64e38ed88d135 Suren Baghdasaryan 2024-03-21 651 static __always_inline __alloc_size(1) void *kmalloc_noprof(size_t size, gfp_t flags) f1b6eb6e6be149 Christoph Lameter 2013-09-04 652 { 6fa57d78aa7f21 Kees Cook 2022-11-17 @653 if (__builtin_constant_p(size) && size) { cc252eae85e095 Vlastimil Babka 2018-10-26 654 unsigned int index; 3bf019334fbbb5 Kees Cook 2022-11-17 655 f1b6eb6e6be149 Christoph Lameter 2013-09-04 656 if (size > KMALLOC_MAX_CACHE_SIZE) c64e38ed88d135 Suren Baghdasaryan 2024-03-21 657 return kmalloc_large_noprof(size, flags); f1b6eb6e6be149 Christoph Lameter 2013-09-04 658 cc252eae85e095 Vlastimil Babka 2018-10-26 659 index = kmalloc_index(size); c64e38ed88d135 Suren Baghdasaryan 2024-03-21 660 return kmalloc_trace_noprof( 3c615294058429 GONG, Ruiqi 2023-07-14 661 kmalloc_caches[kmalloc_type(flags, _RET_IP_)][index], f1b6eb6e6be149 Christoph Lameter 2013-09-04 662 flags, size); f1b6eb6e6be149 Christoph Lameter 2013-09-04 663 } c64e38ed88d135 Suren Baghdasaryan 2024-03-21 664 return __kmalloc_noprof(size, flags); f1b6eb6e6be149 Christoph Lameter 2013-09-04 665 } c64e38ed88d135 Suren Baghdasaryan 2024-03-21 666 #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) ce6a50263d4dde Christoph Lameter 2013-01-10 667 :::::: The code at line 653 was first introduced by commit :::::: 6fa57d78aa7f212fd7c0de70f5756e18513dcdcf slab: Remove special-casing of const 0 size allocations :::::: TO: Kees Cook <keescook@xxxxxxxxxxxx> :::::: CC: Vlastimil Babka <vbabka@xxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
