ci2 starts bisection 2024-04-16 15:46:06.051367212 +0000 UTC m=+107.134247275 bisecting fixing commit since 4bbeaddf9a63bf847511e5bfd790fc2893819d00 building syzkaller on 69904c9f85fcfb289eb529599176d42bcb3609eb ensuring issue is reproducible on original commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d4fda9c6ec22b372fa11b5ec2b9ef7f8b715fc41853cc89eadc7eb30313fcfc4 run #0: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #4: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #5: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #6: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #7: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #8: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #13: OK run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: OK run #16: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #17: OK run #18: OK run #19: OK representative crash: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ab2be5518f5ee91ea363611ccddea3b2c8d686844e9a2410fe7b576225055749 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: OK run #9: OK representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=5179 full=6485 leaves diff=250 split chunks (needed=false): <250> split chunk #0 of len 250 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a2d508a51c1c5a95efa415829a62f8b4abddd1f16c6d1b2d85d6699cf78fe276 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #4: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #7: OK run #8: OK run #9: OK representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dbe5e988c2c9e408b38d121f653b474fab5dd0d340ff6a9884bdaad62798c0a8 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #7: OK run #8: OK run #9: OK representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 39d14aa100d8f98d02ac8e55f2f3d0b590935baae986b051984c101224f68ca9 run #0: crashed: BUG: unable to handle kernel paging request in sk_reuseport_convert_ctx_access run #1: crashed: PANIC: double fault in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp_func run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: general protection fault in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: BUG: unable to handle kernel paging request in sk_reuseport_convert_ctx_access, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 466cc4ec0ccc7a32c0932066e46723654b8eadb94980da12c3db3e4decefc05f run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: general protection fault in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: OK representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 4bbeaddf9a63bf847511e5bfd790fc2893819d00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 4bbeaddf9a63bf847511e5bfd790fc2893819d00: net/socket.c:1225: undefined reference to `wext_handle_ioctl' net/socket.c:3420: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:329: undefined reference to `wext_proc_init' net/core/net-procfs.c:345: undefined reference to `wext_proc_exit' minimized to 50 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_DM9601 USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS X86_X32_ABI ZEROPLUS_FF] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing current HEAD 77fec6cefe26965c0dfdc1b66510e22fb22dc283 testing commit 77fec6cefe26965c0dfdc1b66510e22fb22dc283 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f157442bed9a369417778f898d0d64c2346684dbf39546f2a0fe0d67de0985b run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #2: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #4: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #5: crashed: general protection fault in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 4h17m48.441048046s (build: 33m17.934870789s, test: 1h49m24.598777229s) crash still not fixed or there were kernel test errors commit msg: UPSTREAM: netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path crash: invalid opcode in bpf_dispatcher_xdp invalid opcode: 0000 [#1] PREEMPT SMP CPU: 0 PID: 615 Comm: syz-executor.5 Not tainted 6.1.75-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:bpf_dispatcher_xdp+0x81c/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 14 08 00 a0 7f 37 48 81 fa d0 07 00 a0 7f 1e 48 81 fa d0 07 00 a0 0f 84 f1 ff ff ff e2 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 81 RSP: 0018:ffffc90001603c78 EFLAGS: 00010246 RAX: ffffc90001603cf8 RBX: 0000000000000001 RCX: 00000000fffffffc RDX: ffffffffa00007d0 RSI: ffffc900016c3050 RDI: ffffc90001603d98 RBP: ffffc90001603c80 R08: ffffc90001603dd0 R09: 0000000000745aa0 R10: 0000000000000000 R11: 0000000000000178 R12: 0000000000000000 R13: 0000000007000000 R14: ffffc900016c3000 R15: ffffc900016c3050 FS: 00007fc7dec7a6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff6ade1138 CR3: 00000001177c6000 CR4: 00000000003506b0 Call Trace: __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run_xdp include/linux/filter.h:775 [inline] bpf_test_run+0x1cc/0x310 net/bpf/test_run.c:400 bpf_prog_test_run_xdp+0x28e/0x4b0 net/bpf/test_run.c:1389 bpf_prog_test_run+0x107/0x1b0 kernel/bpf/syscall.c:3644 __sys_bpf+0x3c5/0x4f0 kernel/bpf/syscall.c:4999 __do_sys_bpf kernel/bpf/syscall.c:5085 [inline] __se_sys_bpf kernel/bpf/syscall.c:5083 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:5083 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc7dde7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc7dec7a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc7ddf9bf80 RCX: 00007fc7dde7cae9 RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a RBP: 00007fc7ddec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fc7ddf9bf80 R15: 00007ffe5f98ddf8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x81c/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 50 08 00 a0 7f 47 48 81 fa 14 08 00 a0 7f 2e 48 81 fa d0 07 00 a0 7f 15 48 <81> fa d0 07 00 a0 0f 84 e8 c6 ff ff ff e2 66 0f 1f 44 00 00 48 81 RSP: 0018:ffffc90001603c78 EFLAGS: 00010246 RAX: ffffc90001603cf8 RBX: 0000000000000001 RCX: 00000000fffffffc RDX: ffffffffa00007d0 RSI: ffffc900016c3050 RDI: ffffc90001603d98 RBP: ffffc90001603c80 R08: ffffc90001603dd0 R09: 0000000000745aa0 R10: 0000000000000000 R11: 0000000000000178 R12: 0000000000000000 R13: 0000000007000000 R14: ffffc900016c3000 R15: ffffc900016c3050 FS: 00007fc7dec7a6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001480 CR3: 00000001177c6000 CR4: 00000000003506b0