ci2 starts bisection 2025-05-06 22:06:39.645978199 +0000 UTC m=+14929.849048098
bisecting fixing commit since 05ef4ccb57746f921003b9340fc2f0532c177f41
building syzkaller on 3222d10cbe77bbedb5a7c455e5bcb6b7081a63b7
ensuring issue is reproducible on original commit 05ef4ccb57746f921003b9340fc2f0532c177f41

testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 783732c8b4ad0cd72fee5bacc2874692e278d892d45d86da45a4493944cd6e60
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f4ae98c5671a82d6c40f396f45d218b816d642036b53f5938a45470851146272
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=4921 full=6161 leaves diff=243
split chunks (needed=false): <243>
split chunk #0 of len 243 into 5 parts
testing without sub-chunk 1/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 317cc14fb4be8d59ac141ff99b5c5a4bb545c9eb61f536cbd7956e0350183217
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: beeeac287f636483e182424806fe3955afdb12730700f2c5b604e8fe784b06a6
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 029cdcba08dc40b77e6385f24edceae1d37da2a468ff4bb9d976c1f2c795a38f
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dad81f2652cf8a42c75ca484cdf9799057a724ba829f446a5d68878add67a1e2
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 05ef4ccb57746f921003b9340fc2f0532c177f41: net/socket.c:1189: undefined reference to `wext_handle_ioctl'
net/socket.c:3383: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:343: undefined reference to `wext_proc_exit'
net/core/net-procfs.c:327: undefined reference to `wext_proc_init'
minimized to 47 configs; suspects: [HID_ZEROPLUS 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 USB_SERIAL_FTDI_SIO 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_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF]
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD 88c4075c39edc68c10e37ad8204adb0444ec5245
testing commit 88c4075c39edc68c10e37ad8204adb0444ec5245 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7c376a69a9e7475202a9a4d06de8ba426c4cc6d8ed7b19053747f5d44d77a67d
all runs: crashed: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
representative crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals, types: [UBSAN]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 1h26m14.817410664s (build: 47m38.534671548s, test: 35m57.130433371s)
crash still not fixed or there were kernel test errors
commit msg: Merge branch 'android13-5.15' into android13-5.15-lts
crash: UBSAN: shift-out-of-bounds in adjust_reg_min_max_vals
================================================================================
UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:8028:63
shift exponent 1073741824 is too large for 32-bit type 'int'
CPU: 0 PID: 347 Comm: syz-executor.0 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106
 dump_stack+0x10/0x12 lib/dump_stack.c:113
 ubsan_epilogue+0x9/0x32 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds.cold+0x6a/0x108 lib/ubsan.c:321
 scalar32_min_max_arsh kernel/bpf/verifier.c:8028 [inline]
 adjust_scalar_min_max_vals kernel/bpf/verifier.c:8216 [inline]
 adjust_reg_min_max_vals.cold+0x109/0x150 kernel/bpf/verifier.c:8317
 check_alu_op+0x246/0x780 kernel/bpf/verifier.c:8488
 do_check kernel/bpf/verifier.c:11239 [inline]
 do_check_common+0x1182/0x4410 kernel/bpf/verifier.c:13457
 do_check_main kernel/bpf/verifier.c:13520 [inline]
 bpf_check+0x225c/0x3510 kernel/bpf/verifier.c:14091
 bpf_prog_load+0x483/0x9e0 kernel/bpf/syscall.c:2325
 __sys_bpf+0x706/0x2550 kernel/bpf/syscall.c:4630
 __do_sys_bpf kernel/bpf/syscall.c:4734 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4732 [inline]
 __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:4732
 x64_sys_call+0x12b/0x990 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f8116f19ba9
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:00007f8116a9c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8117038f80 RCX: 00007f8116f19ba9
RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005
RBP: 00007f8116f6547a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8117038f80 R15: 00007ffd7a7662d8
 </TASK>
================================================================================
================================================================================
UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:8029:63
shift exponent 1073741824 is too large for 32-bit type 'int'
CPU: 0 PID: 347 Comm: syz-executor.0 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106
 dump_stack+0x10/0x12 lib/dump_stack.c:113
 ubsan_epilogue+0x9/0x32 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds.cold+0x6a/0x108 lib/ubsan.c:321
 scalar32_min_max_arsh kernel/bpf/verifier.c:8029 [inline]
 adjust_scalar_min_max_vals kernel/bpf/verifier.c:8216 [inline]
 adjust_reg_min_max_vals.cold+0x125/0x150 kernel/bpf/verifier.c:8317
 check_alu_op+0x246/0x780 kernel/bpf/verifier.c:8488
 do_check kernel/bpf/verifier.c:11239 [inline]
 do_check_common+0x1182/0x4410 kernel/bpf/verifier.c:13457
 do_check_main kernel/bpf/verifier.c:13520 [inline]
 bpf_check+0x225c/0x3510 kernel/bpf/verifier.c:14091
 bpf_prog_load+0x483/0x9e0 kernel/bpf/syscall.c:2325
 __sys_bpf+0x706/0x2550 kernel/bpf/syscall.c:4630
 __do_sys_bpf kernel/bpf/syscall.c:4734 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4732 [inline]
 __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:4732
 x64_sys_call+0x12b/0x990 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f8116f19ba9
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:00007f8116a9c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8117038f80 RCX: 00007f8116f19ba9
RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005
RBP: 00007f8116f6547a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8117038f80 R15: 00007ffd7a7662d8
 </TASK>
================================================================================