================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f923 of 1 bytes by task 26853 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3c0/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f923 of 1 bytes by task 26852 on cpu 0: 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+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 0 PID: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_shrink / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f923 of 1 bytes by task 26853 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3c0/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f923 of 1 bytes by task 26852 on cpu 0: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_shrink_inactive kernel/bpf/bpf_lru_list.c:218 [inline] __bpf_lru_list_shrink+0xcc/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+0x84b/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 0 PID: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88814c45f96b of 1 bytes by task 26853 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: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+0x2f3/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f96b of 1 bytes by task 26852 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x2fe/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem read to 0xffff88814c45f923 of 1 bytes by task 26853 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x2fe/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f923 of 1 bytes by task 26852 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: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+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 0 PID: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f96b of 1 bytes by task 26853 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+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f96b of 1 bytes by task 26852 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x2fe/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_shrink / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f923 of 1 bytes by task 26853 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3c0/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f923 of 1 bytes by task 26852 on cpu 0: bpf_lru_node_is_ref kernel/bpf/bpf_lru_list.c:44 [inline] __bpf_lru_list_shrink_inactive kernel/bpf/bpf_lru_list.c:218 [inline] __bpf_lru_list_shrink+0xcc/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+0x84b/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 0 PID: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f96b of 1 bytes by task 26853 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3c0/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f96b of 1 bytes by task 26852 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+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88814c45f96b of 1 bytes by task 26853 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3c0/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f96b of 1 bytes by task 26852 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+0x289/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f96b of 1 bytes by task 26853 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:71 [inline] __htab_lru_percpu_map_update_elem+0x3c0/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f96b of 1 bytes by task 26852 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+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free read to 0xffff88814c45f96b of 1 bytes by task 26853 on cpu 0: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x2fe/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f96b of 1 bytes by task 26852 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+0x37d/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __htab_lru_percpu_map_update_elem / bpf_lru_pop_free write to 0xffff88814c45f923 of 1 bytes by task 26853 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+0x2f3/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f923 of 1 bytes by task 26852 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x2fe/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem write to 0xffff88814c45f923 of 1 bytes by task 26853 on cpu 0: __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+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop kernel/bpf/hashtab.c:301 [inline] __htab_lru_percpu_map_update_elem+0xf5/0x560 kernel/bpf/hashtab.c:1335 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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 0xffff88814c45f923 of 1 bytes by task 26852 on cpu 1: bpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline] __htab_lru_percpu_map_update_elem+0x2fe/0x560 kernel/bpf/hashtab.c:1351 bpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2372 bpf_map_update_value+0x2ae/0x370 kernel/bpf/syscall.c:204 generic_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1702 bpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4563 __sys_bpf+0x317/0x800 __do_sys_bpf kernel/bpf/syscall.c:5171 [inline] __se_sys_bpf kernel/bpf/syscall.c:5169 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5169 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: 26852 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ==================================================================