Hello: This series was applied to bpf/bpf.git (master) by Daniel Borkmann <daniel@xxxxxxxxxxxxx>: On Sat, 30 Nov 2024 21:38:21 +0800 you wrote: > I found that bpf kselftest sockhash::test_txmsg_cork_hangs in > test_sockmap.c triggers a kernel NULL pointer dereference: > > BUG: kernel NULL pointer dereference, address: 0000000000000008 > ? __die_body+0x6e/0xb0 > ? __die+0x8b/0xa0 > ? page_fault_oops+0x358/0x3c0 > ? local_clock+0x19/0x30 > ? lock_release+0x11b/0x440 > ? kernelmode_fixup_or_oops+0x54/0x60 > ? __bad_area_nosemaphore+0x4f/0x210 > ? mmap_read_unlock+0x13/0x30 > ? bad_area_nosemaphore+0x16/0x20 > ? do_user_addr_fault+0x6fd/0x740 > ? prb_read_valid+0x1d/0x30 > ? exc_page_fault+0x55/0xd0 > ? asm_exc_page_fault+0x2b/0x30 > ? splice_to_socket+0x52e/0x630 > ? shmem_file_splice_read+0x2b1/0x310 > direct_splice_actor+0x47/0x70 > splice_direct_to_actor+0x133/0x300 > ? do_splice_direct+0x90/0x90 > do_splice_direct+0x64/0x90 > ? __ia32_sys_tee+0x30/0x30 > do_sendfile+0x214/0x300 > __se_sys_sendfile64+0x8e/0xb0 > __x64_sys_sendfile64+0x25/0x30 > x64_sys_call+0xb82/0x2840 > do_syscall_64+0x75/0x110 > entry_SYSCALL_64_after_hwframe+0x4b/0x53 > > [...] Here is the summary with links: - [net,1/2] skmsg: return copied bytes in sk_msg_memcopy_from_iter https://git.kernel.org/bpf/bpf/c/fdf478d236dc - [net,2/2] tcp_bpf: fix copied value in tcp_bpf_sendmsg https://git.kernel.org/bpf/bpf/c/5153a75ef34b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html