================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:148 [inline] __bpf_lru_list_rotate+0xd4/0x750 kernel/bpf/bpf_lru_list.c:240 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:297 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x2ac/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free read to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: __bpf_lru_node_move_in kernel/bpf/bpf_lru_list.c:92 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:300 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x39f/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 1: __bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline] __bpf_lru_list_rotate_inactive kernel/bpf/bpf_lru_list.c:191 [inline] __bpf_lru_list_rotate+0x5e5/0x750 kernel/bpf/bpf_lru_list.c:242 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_shrink / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d3e3 of 1 bytes by task 14032 on cpu 0: __bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline] __bpf_lru_list_shrink_inactive kernel/bpf/bpf_lru_list.c:219 [inline] __bpf_lru_list_shrink+0x20c/0x6c0 kernel/bpf/bpf_lru_list.c:266 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:340 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x874/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d3e3 of 1 bytes by task 14021 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:148 [inline] __bpf_lru_list_rotate+0xd4/0x750 kernel/bpf/bpf_lru_list.c:240 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem read to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: __bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline] __bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:151 [inline] __bpf_lru_list_rotate+0x2fe/0x750 kernel/bpf/bpf_lru_list.c:240 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_rotate_inactive kernel/bpf/bpf_lru_list.c:190 [inline] __bpf_lru_list_rotate+0x528/0x750 kernel/bpf/bpf_lru_list.c:242 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free read to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: __bpf_lru_node_move_in kernel/bpf/bpf_lru_list.c:92 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:300 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x39f/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d3e3 of 1 bytes by task 14032 on cpu 0: __bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline] __bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:149 [inline] __bpf_lru_list_rotate+0x1bf/0x750 kernel/bpf/bpf_lru_list.c:240 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d3e3 of 1 bytes by task 14021 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88813d26d3e3 of 1 bytes by task 14032 on cpu 0: __bpf_lru_node_move_in kernel/bpf/bpf_lru_list.c:92 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:298 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x318/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d3e3 of 1 bytes by task 14021 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:297 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x2ac/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88813d26d3e3 of 1 bytes by task 14032 on cpu 0: __bpf_lru_node_move_in kernel/bpf/bpf_lru_list.c:92 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:300 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x39f/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d3e3 of 1 bytes by task 14021 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88813d26d3e3 of 1 bytes by task 14032 on cpu 0: __bpf_lru_node_move_in kernel/bpf/bpf_lru_list.c:92 [inline] __local_list_flush kernel/bpf/bpf_lru_list.c:298 [inline] bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:327 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x318/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d3e3 of 1 bytes by task 14021 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d3e3 of 1 bytes by task 14032 on cpu 0: __bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline] __bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:149 [inline] __bpf_lru_list_rotate+0x1bf/0x750 kernel/bpf/bpf_lru_list.c:240 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d3e3 of 1 bytes by task 14021 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x30b/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:148 [inline] __bpf_lru_list_rotate+0xd4/0x750 kernel/bpf/bpf_lru_list.c:240 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14021 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88813d26d42b of 1 bytes by task 14032 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3ce/0x800 kernel/bpf/hashtab.c:1334 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813d26d42b of 1 bytes by task 14021 on cpu 1: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_rotate_inactive kernel/bpf/bpf_lru_list.c:190 [inline] __bpf_lru_list_rotate+0x528/0x750 kernel/bpf/bpf_lru_list.c:242 bpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline] bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline] bpf_lru_pop_free+0x671/0xe10 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:290 [inline] __htab_lru_percpu_map_update_elem+0xec/0x800 kernel/bpf/hashtab.c:1318 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313 bpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200 generic_map_update_batch+0x39b/0x4c0 kernel/bpf/syscall.c:1672 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4511 __sys_bpf+0x338/0x810 __do_sys_bpf kernel/bpf/syscall.c:5073 [inline] __se_sys_bpf kernel/bpf/syscall.c:5071 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01