ci starts bisection 2024-10-01 04:06:34.228627003 +0000 UTC m=+48377.828832765 bisecting fixing commit since defaf1a2113a22b00dfa1abc0fd2014820eaf065 building syzkaller on 1786a2a82636054a2b049857ef8b011c7e539fb6 ensuring issue is reproducible on original commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e2a0ff007fe6b5a4575b412a9bdd5d0a0dc7f5e3fa81fe39f8f6d817255f5020 all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8d0d42753b05fe081f8b74d9971a5803da4a0cbb7e5cd574ff5df73ce3e19e8e all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4046 full=8133 leaves diff=2100 split chunks (needed=false): <2100> split chunk #0 of len 2100 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8e15af66dc076f7e14099f6428f56f70ffa1220ea070d54b418d8652035acda all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 86c04c7c6e0dd421af42ed7e3e3ba54b3f5294bf0e6c4b49307488643d728c57 all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 377a790b901f25872d651005a748e0f093e94eae1afb448fbb8e75a7ae0c08c0 all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 082799a20ab47f697c5c9e24b6944653d46e3a20f339fc1cdc8e7b60a430c636 all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a3040a0e6c1cbd1de601ade11f1d60d42ca5ff054539790ffa13476c559378a all runs: OK false negative chance: 0.000 minimized to 420 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK 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VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing current HEAD e32cde8d2bd7d251a8f9b434143977ddf13dcec6 testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9425a74850a997962e4e0ba296ba3efbde7d8ebc1107789735a79532c1d88dfb all runs: crashed: WARNING in bpf_map_lookup_percpu_elem representative crash: WARNING in bpf_map_lookup_percpu_elem, types: [WARNING] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h46m6.580765073s (build: 1h16m49.02103954s, test: 43m51.577778732s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'sched_ext-for-6.12-rc1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext crash: WARNING in bpf_map_lookup_percpu_elem ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3322 at kernel/bpf/helpers.c:132 ____bpf_map_lookup_percpu_elem kernel/bpf/helpers.c:132 [inline] WARNING: CPU: 1 PID: 3322 at kernel/bpf/helpers.c:132 bpf_map_lookup_percpu_elem+0x40/0x50 kernel/bpf/helpers.c:130 Modules linked in: CPU: 1 UID: 0 PID: 3322 Comm: syz.0.15 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:____bpf_map_lookup_percpu_elem kernel/bpf/helpers.c:132 [inline] RIP: 0010:bpf_map_lookup_percpu_elem+0x40/0x50 kernel/bpf/helpers.c:130 Code: 85 c0 74 1c 48 8b 03 44 89 e2 48 89 ee 48 89 df 5b 5d 41 5c 48 8b 80 90 00 00 00 ff e0 cc 66 90 e8 35 bd ef ff 85 c0 75 db 90 <0f> 0b 90 eb d5 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffc900058fbcb0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8881182b7800 RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffffffff82fd17fc RDI: ffffffff82f549e8 RBP: ffffc900058fbd10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000000000000a R15: ffffc90000e9d000 FS: 00007fb6201cf6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011243a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ___bpf_prog_run+0x294/0x2090 kernel/bpf/core.c:2010 __bpf_prog_run32+0x65/0x90 kernel/bpf/core.c:2251 bpf_dispatcher_nop_func include/linux/bpf.h:1257 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:725 [inline] bpf_prog_test_run_syscall+0xf5/0x260 net/bpf/test_run.c:1559 bpf_prog_test_run kernel/bpf/syscall.c:4247 [inline] __sys_bpf+0x804/0x23a0 kernel/bpf/syscall.c:5652 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x19/0x30 kernel/bpf/syscall.c:5739 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xb4/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb6207479f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb6201cf048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fb6208d5f80 RCX: 00007fb6207479f9 RDX: 000000000000000c RSI: 00000000200004c0 RDI: 000000000000000a RBP: 00007fb6207b58ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb6208d5f80 R15: 00007fff58479bc8