ci2 starts bisection 2024-05-21 07:00:54.701632262 +0000 UTC m=+102.243203902
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: c4d1fbe83dda254414b98d7584d99cb71e784302115c01e84f494fe8bb088ddf
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: invalid opcode in bpf_dispatcher_xdp
run #4: crashed: invalid opcode in bpf_dispatcher_xdp
run #5: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
run #6: crashed: invalid opcode in bpf_dispatcher_xdp
run #7: crashed: kernel panic: Fatal exception
run #8: crashed: invalid opcode in bpf_dispatcher_xdp
run #9: crashed: invalid opcode in bpf_dispatcher_xdp
run #10: crashed: invalid opcode in bpf_dispatcher_xdp
run #11: crashed: invalid opcode in bpf_dispatcher_xdp
run #12: crashed: invalid opcode in bpf_dispatcher_xdp
run #13: crashed: invalid opcode in bpf_dispatcher_xdp
run #14: crashed: invalid opcode in bpf_dispatcher_xdp
run #15: crashed: invalid opcode in bpf_dispatcher_xdp
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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], 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: 43aa6667a3adb7b6fff48a86b061064a33007a38352d238b20bc85dcf686bd01
run #0: crashed: BUG: unable to handle kernel paging request 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: invalid opcode 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: invalid opcode in bpf_dispatcher_xdp
run #7: crashed: invalid opcode in bpf_dispatcher_xdp
run #8: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
run #9: OK
representative crash: BUG: unable to handle kernel paging request 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], 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: e32dca142c180d90b83f6b8a39c8775e04d8d791090a7107551a47869dceefaa
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: invalid opcode in bpf_dispatcher_xdp
run #4: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
run #5: OK
run #6: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
run #7: OK
run #8: crashed: BUG: unable to handle kernel paging request in bpf_test_run
run #9: OK
representative crash: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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: 313940e3eead6c733b796a719745a189996e0b9eaff009bd02ba6ae2b92c2ac2
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: invalid opcode in bpf_dispatcher_xdp
run #4: crashed: invalid opcode in bpf_dispatcher_xdp
run #5: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
run #6: crashed: invalid opcode 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: 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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: 72aa82c3d9918ff944428b4fe5ab83880e56e4d6f40b09cdff6c2ab5e74d45e2
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: 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: kernel panic: Fatal exception
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]
the chunk can be dropped
testing without sub-chunk 4/5
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: 4f3df14e2cc4e0ebea64543a487560bf25cd00a96bad031649b078abe8f673cc
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: general protection fault 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: 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: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 34a15d350726c5770943d8288bf0c5e2d8859e94
testing commit 34a15d350726c5770943d8288bf0c5e2d8859e94 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: db9bc285cf9f9f2ba1e13e2013b3d8064f7bc09b9e7a5f87b62fa3ab638d6cbd
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: 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: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
run #9: crashed: invalid opcode in bpf_dispatcher_xdp
representative crash: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp, types: [UNKNOWN]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 2h1m13.789160242s (build: 24m13.271587936s, test: 1h14m17.583005304s)
crash still not fixed or there were kernel test errors
commit msg: UPSTREAM: usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs
crash: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
BUG: unable to handle page fault for address: ffffc9000095fb71
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 100000067 P4D 100000067 PUD 1000f9067 PMD 117525067 PTE 0
Oops: 0002 [#1] PREEMPT SMP
CPU: 1 PID: 426 Comm: syz-executor.3 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+0x813/0x1000
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 2c 09 00 a0 7f 17 48 81 fa 2c 09 00 a0 0f 84 56 <c8> ff ff ff e2 0f 1f 84 00 00 00 00 00 48 81 fa 94 1a 00 a0 0f 84
RSP: 0018:ffffc9000096fc70 EFLAGS: 00010283
RAX: ffffc9000096fcf8 RBX: 0000000000000001 RCX: 00000000fffffffc
RDX: ffffffffa000092c RSI: ffffc90000a17050 RDI: ffffc9000096fd98
RBP: ffffc9000096fc80 R08: ffffc9000096fdd0 R09: 0000000000745a4d
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000007000000 R14: ffffc90000a17000 R15: ffffc90000a17050
FS:  00007f563f1ed6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000095fb71 CR3: 0000000118922000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __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: 0033:0x7f563e47cae9
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:00007f563f1ed0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f563e59bf80 RCX: 00007f563e47cae9
RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a
RBP: 00007f563e4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f563e59bf80 R15: 00007fff5ab18478
 </TASK>
Modules linked in:
CR2: ffffc9000095fb71
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_dispatcher_xdp+0x813/0x1000
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 2c 09 00 a0 7f 17 48 81 fa 2c 09 00 a0 0f 84 56 <c8> ff ff ff e2 0f 1f 84 00 00 00 00 00 48 81 fa 94 1a 00 a0 0f 84
RSP: 0018:ffffc9000096fc70 EFLAGS: 00010283
RAX: ffffc9000096fcf8 RBX: 0000000000000001 RCX: 00000000fffffffc
RDX: ffffffffa000092c RSI: ffffc90000a17050 RDI: ffffc9000096fd98
RBP: ffffc9000096fc80 R08: ffffc9000096fdd0 R09: 0000000000745a4d
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000007000000 R14: ffffc90000a17000 R15: ffffc90000a17050
FS:  00007f563f1ed6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000095fb71 CR3: 0000000118922000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400