================================================================================ UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:9172:63 shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') CPU: 0 PID: 437 Comm: syz-executor.0 Not tainted 6.1.41-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x68/0x91 lib/dump_stack.c:106 dump_stack+0x10/0x19 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x261/0x290 lib/ubsan.c:321 scalar32_min_max_arsh+0xfb/0x120 kernel/bpf/verifier.c:9172 adjust_scalar_min_max_vals kernel/bpf/verifier.c:9360 [inline] adjust_reg_min_max_vals+0x1317/0x15d0 kernel/bpf/verifier.c:9461 check_alu_op kernel/bpf/verifier.c:9632 [inline] do_check kernel/bpf/verifier.c:12478 [inline] do_check_common+0x1a89/0x2860 kernel/bpf/verifier.c:14892 do_check_main kernel/bpf/verifier.c:14955 [inline] bpf_check+0x11e0/0x49d0 kernel/bpf/verifier.c:15529 bpf_prog_load+0x5f7/0x6f0 kernel/bpf/syscall.c:2603 __sys_bpf+0x24f/0x490 kernel/bpf/syscall.c:4968 __do_sys_bpf kernel/bpf/syscall.c:5072 [inline] __se_sys_bpf kernel/bpf/syscall.c:5070 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:5070 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7a5c47cce9 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:00007f7a5d28f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7a5c59bf80 RCX: 00007f7a5c47cce9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007f7a5c4c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7a5c59bf80 R15: 00007ffd01cbaae8 ================================================================================ ================================================================================ UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:9173:63 shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') CPU: 1 PID: 437 Comm: syz-executor.0 Not tainted 6.1.41-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x68/0x91 lib/dump_stack.c:106 dump_stack+0x10/0x19 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x261/0x290 lib/ubsan.c:321 scalar32_min_max_arsh+0x11b/0x120 kernel/bpf/verifier.c:9173 adjust_scalar_min_max_vals kernel/bpf/verifier.c:9360 [inline] adjust_reg_min_max_vals+0x1317/0x15d0 kernel/bpf/verifier.c:9461 check_alu_op kernel/bpf/verifier.c:9632 [inline] do_check kernel/bpf/verifier.c:12478 [inline] do_check_common+0x1a89/0x2860 kernel/bpf/verifier.c:14892 do_check_main kernel/bpf/verifier.c:14955 [inline] bpf_check+0x11e0/0x49d0 kernel/bpf/verifier.c:15529 bpf_prog_load+0x5f7/0x6f0 kernel/bpf/syscall.c:2603 __sys_bpf+0x24f/0x490 kernel/bpf/syscall.c:4968 __do_sys_bpf kernel/bpf/syscall.c:5072 [inline] __se_sys_bpf kernel/bpf/syscall.c:5070 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:5070 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7a5c47cce9 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:00007f7a5d28f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7a5c59bf80 RCX: 00007f7a5c47cce9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007f7a5c4c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7a5c59bf80 R15: 00007ffd01cbaae8 ================================================================================