================================================================== BUG: KCSAN: data-race in __futex_wait / hrtimer_wakeup read-write to 0xffffc900013c7d90 of 8 bytes by interrupt on cpu 0: hrtimer_wakeup+0x1c/0x50 kernel/time/hrtimer.c:1921 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x210/0x7b0 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x5c/0x1a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 security_sock_rcv_skb+0x0/0x70 security/security.c:4586 sk_filter_trim_cap+0xca/0x3c0 net/core/filter.c:150 sk_filter include/linux/filter.h:945 [inline] netlink_unicast+0x20f/0x660 net/netlink/af_netlink.c:1363 nlmsg_unicast include/net/netlink.h:1158 [inline] netlink_ack+0x4c2/0x4f0 net/netlink/af_netlink.c:2526 netlink_rcv_skb+0x19c/0x230 net/netlink/af_netlink.c:2570 nfnetlink_rcv+0x16c/0x15b0 net/netfilter/nfnetlink.c:664 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x58d/0x660 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x5ca/0x6e0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:745 ____sys_sendmsg+0x312/0x410 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x1e9/0x280 net/socket.c:2668 __do_sys_sendmsg net/socket.c:2677 [inline] __se_sys_sendmsg net/socket.c:2675 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2675 x64_sys_call+0xb25/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffc900013c7d90 of 8 bytes by task 8738 on cpu 1: __futex_wait+0x17f/0x290 kernel/futex/waitwake.c:675 futex_wait+0x99/0x1c0 kernel/futex/waitwake.c:697 do_futex+0x276/0x370 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x25d/0x3a0 kernel/futex/syscalls.c:160 __x64_sys_futex+0x78/0x90 kernel/futex/syscalls.c:160 x64_sys_call+0x28c1/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:203 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0xffff888116711080 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8738 Comm: syz-executor.0 Not tainted 6.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ==================================================================