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8zYifpytulH7dQ0XAOIOv7fkT89K/saLdh0EJub9iTVO2sqDJ5N2WEYxELZ8pyR2aXYevrez+F4Ypkc19sMWa7ph7GPR/LfJSCFFIWelWx/CQ41LNCPOczGE7RbJaO1xfelyjqao+Q6IRRBlp0UZg+B8LL0gOL3o5rWdj8us4dJXCGvfAejgmV1HZiNwXRcEWWSEuh983Q+BDb7OGUjka+bbTTf6zjfcwrWz0//y6qOWSnwm0osMXNMZg2/CMlKen1B3r5iE705DM+W/lJJIbDKKC3vUG5TmzzmsCiz5kF1akAisEh2KBMAd3Q0LUfv8u+0rzA65yDhlpEXPXOK4TWS+M3pTzXmCEr1FzO5bY8kK9M2JzXN6/D4d22LXZ+5JAxvHEt2KbdbfzrhYaolb4BJ7cvAADeihbrGhl7fCG1/8t59nqnn5buTBjxeqeMYeyhr1DToCC+JazH1ygR65h/UHc8i0wGyymY0XBJlVO+rFEuG34rZo/0EoYQyl0/aufoQAYpFoe8xul0ibNXTJwU5IHTteoVP4HweA6IUTthh3WewIXimXjuHeDJzjRBJM9KD/Qd16i5z4uqaDog/zjNdcjjWG++2AvH+no X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "WARNING:at_mm/slub.c:#free_large_kmalloc" on: commit: 47325a5c88c5ee373c973e47c27c7dadcfe88a32 ("mm-store-zero-pages-to-be-swapped-out-in-a-bitmap-v8") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master 82d01fe6ee52086035b201cfa1410a3b04384257] in testcase: ltp version: ltp-x86_64-14c1f76-1_20240706 with following parameters: test: commands compiler: gcc-13 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (Ivy Bridge) with 16G memory (please refer to attached dmesg/kmsg for entire log/backtrace) 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 | Closes: https://lore.kernel.org/oe-lkp/202407101031.c6c3c651-lkp@intel.com The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240710/202407101031.c6c3c651-lkp@intel.com kern :warn : [ 455.633948] Swap area shorter than signature indicates kern :warn : [ 455.634133] ------------[ cut here ]------------ kern :warn : [ 455.634268] WARNING: CPU: 3 PID: 8129 at mm/slub.c:4538 free_large_kmalloc+0x93/0xe0 kern :warn : [ 455.635173] Modules linked in: msdos minix vfat fat xfs ext2 netconsole btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c intel_rapl_msr intel_rapl_common sd_mod x86_pkg_temp_thermal t10_pi intel_powerclamp coretemp crc64_rocksoft_generic crc64_rocksoft crc64 kvm_intel sg ipmi_devintf ipmi_msghandler i915 kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 drm_buddy intel_gtt firewire_ohci rapl mxm_wmi intel_cstate drm_display_helper firewire_core ahci libahci crc_itu_t i2c_i801 intel_uncore ttm libata drm_kms_helper i2c_smbus lpc_ich video wmi binfmt_misc drm loop fuse dm_mod ip_tables kern :warn : [ 455.636742] CPU: 3 PID: 8129 Comm: swapon Not tainted 6.10.0-rc6-00357-g47325a5c88c5 #1 kern :warn : [ 455.636935] Hardware name: /DZ77BH-55K, BIOS BHZ7710H.86A.0097.2012.1228.1346 12/28/2012 kern :warn : [ 455.637127] RIP: 0010:free_large_kmalloc+0x93/0xe0 kern :warn : [ 455.637267] Code: 00 41 f7 c4 00 02 00 00 74 01 fb f0 ff 4b 34 74 0b 5b 5d 41 5c 41 5d c3 cc cc cc cc 48 89 df 5b 5d 41 5c 41 5d e9 8d 3f eb ff <0f> 0b 80 3d 14 d8 06 04 00 74 1c 48 89 ef e8 ea b0 1d 02 48 8b 74 kern :warn : [ 455.637951] RSP: 0018:ffffc9000247fdd8 EFLAGS: 00010246 kern :warn : [ 455.638098] RAX: 0017ffffc0000000 RBX: ffffea00055cf900 RCX: 0000000000000000 kern :warn : [ 455.638273] RDX: ffffea0005bb6508 RSI: ffff8881573e4000 RDI: ffffea00055cf900 kern :warn : [ 455.638505] RBP: ffff8881573e4000 R08: 0000000000000001 R09: fffff5200048ffb5 kern :warn : [ 455.638679] R10: 0000000000000003 R11: 0000000000000001 R12: ffff8881ee6b2c28 kern :warn : [ 455.638853] R13: ffff8881393c7890 R14: 00000000ffffffea R15: ffff8881393c7800 kern :warn : [ 455.639028] FS: 00007fa00e70c840(0000) GS:ffff88833c580000(0000) knlGS:0000000000000000 kern :warn : [ 455.639218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kern :warn : [ 455.639424] CR2: 00005624b13e8000 CR3: 00000003df01e002 CR4: 00000000001706f0 kern :warn : [ 455.639600] Call Trace: kern :warn : [ 455.639695] kern :warn : [ 455.639787] ? __warn+0xcc/0x260 kern :warn : [ 455.639900] ? free_large_kmalloc+0x93/0xe0 kern :warn : [ 455.640025] ? report_bug+0x261/0x2c0 kern :warn : [ 455.640141] ? handle_bug+0x6d/0x90 kern :warn : [ 455.640254] ? exc_invalid_op+0x17/0x40 kern :warn : [ 455.640428] ? asm_exc_invalid_op+0x1a/0x20 kern :warn : [ 455.640555] ? free_large_kmalloc+0x93/0xe0 kern :warn : [ 455.640679] __do_sys_swapon+0xaf3/0x1ea0 kern :warn : [ 455.640806] ? poison_slab_object+0xc5/0x170 kern :warn : [ 455.640934] ? __pfx___do_sys_swapon+0x10/0x10 kern :warn : [ 455.641063] ? __x64_sys_close+0x7c/0xd0 kern :warn : [ 455.641184] ? kmem_cache_free+0xd5/0x3e0 kern :warn : [ 455.641307] do_syscall_64+0x5f/0x170 kern :warn : [ 455.641489] entry_SYSCALL_64_after_hwframe+0x76/0x7e kern :warn : [ 455.641629] RIP: 0033:0x7fa00e8d7f97 kern :warn : [ 455.641746] Code: 73 01 c3 48 8b 0d 69 2e 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a7 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 2e 0d 00 f7 d8 64 89 01 48 kern :warn : [ 455.642117] RSP: 002b:00007ffc063cb6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a7 kern :warn : [ 455.642302] RAX: ffffffffffffffda RBX: 00005624b13d89a0 RCX: 00007fa00e8d7f97 kern :warn : [ 455.642535] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005624b13d89a0 kern :warn : [ 455.642709] RBP: 0000000000000000 R08: 0000000000000ff6 R09: 0000000000001000 kern :warn : [ 455.642882] R10: 4e45505355533253 R11: 0000000000000246 R12: 00007ffc063cb91c kern :warn : [ 455.643056] R13: 00000000ffffffff R14: 0000000012c00000 R15: 00005624b13d95d0 kern :warn : [ 455.643231] kern :warn : [ 455.643321] ---[ end trace 0000000000000000 ]--- kern :warn : [ 455.643507] object pointer: 0x000000003fde23f4 kern :err : [ 455.643635] ================================================================== kern :err : [ 455.643807] BUG: KASAN: double-free in __do_sys_swapon+0xaf3/0x1ea0 kern :err : [ 455.643978] Free of addr ffff8881573e4000 by task swapon/8129 kern :err : [ 455.644198] CPU: 3 PID: 8129 Comm: swapon Tainted: G W 6.10.0-rc6-00357-g47325a5c88c5 #1 kern :err : [ 455.644406] Hardware name: /DZ77BH-55K, BIOS BHZ7710H.86A.0097.2012.1228.1346 12/28/2012 kern :err : [ 455.644590] Call Trace: kern :err : [ 455.644681] kern :err : [ 455.644768] dump_stack_lvl+0x53/0x70 kern :err : [ 455.644883] print_address_description+0x30/0x410 kern :err : [ 455.645033] ? __do_sys_swapon+0xaf3/0x1ea0 kern :err : [ 455.645158] print_report+0xb9/0x2b0 kern :err : [ 455.645275] ? __do_sys_swapon+0xaf3/0x1ea0 kern :err : [ 455.645397] ? kasan_addr_to_slab+0xd/0xb0 kern :err : [ 455.645516] ? __do_sys_swapon+0xaf3/0x1ea0 kern :err : [ 455.645639] kasan_report_invalid_free+0x94/0xc0 kern :err : [ 455.645769] ? __do_sys_swapon+0xaf3/0x1ea0 kern :err : [ 455.645891] free_large_kmalloc+0xb8/0xe0 kern :err : [ 455.646010] __do_sys_swapon+0xaf3/0x1ea0 kern :err : [ 455.646130] ? poison_slab_object+0xc5/0x170 kern :err : [ 455.646254] ? __pfx___do_sys_swapon+0x10/0x10 kern :err : [ 455.646379] ? __x64_sys_close+0x7c/0xd0 kern :err : [ 455.646498] ? kmem_cache_free+0xd5/0x3e0 kern :err : [ 455.646619] do_syscall_64+0x5f/0x170 kern :err : [ 455.646735] entry_SYSCALL_64_after_hwframe+0x76/0x7e kern :err : [ 455.646871] RIP: 0033:0x7fa00e8d7f97 kern :err : [ 455.646985] Code: 73 01 c3 48 8b 0d 69 2e 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a7 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 2e 0d 00 f7 d8 64 89 01 48 kern :err : [ 455.647343] RSP: 002b:00007ffc063cb6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a7 kern :err : [ 455.647521] RAX: ffffffffffffffda RBX: 00005624b13d89a0 RCX: 00007fa00e8d7f97 kern :err : [ 455.647692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005624b13d89a0 kern :err : [ 455.647863] RBP: 0000000000000000 R08: 0000000000000ff6 R09: 0000000000001000 kern :err : [ 455.648036] R10: 4e45505355533253 R11: 0000000000000246 R12: 00007ffc063cb91c kern :err : [ 455.648208] R13: 00000000ffffffff R14: 0000000012c00000 R15: 00005624b13d95d0 kern :err : [ 455.648387] kern :err : [ 455.648549] The buggy address belongs to the physical page: kern :warn : [ 455.648692] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8881573e5b30 pfn:0x1573e4 kern :warn : [ 455.648902] flags: 0x17ffffc0000000(node=0|zone=2|lastcpupid=0x1fffff) kern :warn : [ 455.649065] raw: 0017ffffc0000000 ffffea0005bb6508 ffff88833c7cb600 0000000000000000 kern :warn : [ 455.649249] raw: ffff8881573e5b30 0000000000000000 00000000ffffffff 0000000000000000 kern :warn : [ 455.649430] page dumped because: kasan: bad access detected kern :err : [ 455.649647] Memory state around the buggy address: kern :err : [ 455.649777] ffff8881573e3f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff kern :err : [ 455.649945] ffff8881573e3f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff kern :err : [ 455.650115] >ffff8881573e4000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff kern :err : [ 455.650286] ^ kern :err : [ 455.650392] ffff8881573e4080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff kern :err : [ 455.650563] ffff8881573e4100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff kern :err : [ 455.650733] ================================================================== kern :warn : [ 455.650954] Disabling lock debugging due to kernel taint user :notice: [ 455.655806] mkswap01 3 TINFO: Can not do swapon on /dev/loop0. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki