================================================================================ UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:7984:63 shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') CPU: 0 PID: 353 Comm: syz-executor.0 Not tainted 5.15.141-syzkaller-1068904-g28e3f5851a99 #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+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321 scalar32_min_max_arsh+0x622/0x6c0 kernel/bpf/verifier.c:7984 adjust_scalar_min_max_vals kernel/bpf/verifier.c:8172 [inline] adjust_reg_min_max_vals+0x3d1d/0x6360 kernel/bpf/verifier.c:8273 check_alu_op kernel/bpf/verifier.c:8444 [inline] do_check+0x94d9/0xf2c0 kernel/bpf/verifier.c:11188 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13403 do_check_main kernel/bpf/verifier.c:13466 [inline] bpf_check+0x37bf/0x12b20 kernel/bpf/verifier.c:14037 bpf_prog_load+0x12ac/0x1b50 kernel/bpf/syscall.c:2327 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4618 __do_sys_bpf kernel/bpf/syscall.c:4722 [inline] __se_sys_bpf kernel/bpf/syscall.c:4720 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4720 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+0x61/0xcb RIP: 0033:0x7f9f296c3ba9 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:00007f9f292460c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f9f297e2f80 RCX: 00007f9f296c3ba9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007f9f2970f47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9f297e2f80 R15: 00007ffc53b638f8 ================================================================================ ================================================================================ UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:7985:63 shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') CPU: 1 PID: 353 Comm: syz-executor.0 Not tainted 5.15.141-syzkaller-1068904-g28e3f5851a99 #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+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321 scalar32_min_max_arsh+0x676/0x6c0 kernel/bpf/verifier.c:7985 adjust_scalar_min_max_vals kernel/bpf/verifier.c:8172 [inline] adjust_reg_min_max_vals+0x3d1d/0x6360 kernel/bpf/verifier.c:8273 check_alu_op kernel/bpf/verifier.c:8444 [inline] do_check+0x94d9/0xf2c0 kernel/bpf/verifier.c:11188 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13403 do_check_main kernel/bpf/verifier.c:13466 [inline] bpf_check+0x37bf/0x12b20 kernel/bpf/verifier.c:14037 bpf_prog_load+0x12ac/0x1b50 kernel/bpf/syscall.c:2327 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4618 __do_sys_bpf kernel/bpf/syscall.c:4722 [inline] __se_sys_bpf kernel/bpf/syscall.c:4720 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4720 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+0x61/0xcb RIP: 0033:0x7f9f296c3ba9 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:00007f9f292460c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f9f297e2f80 RCX: 00007f9f296c3ba9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007f9f2970f47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9f297e2f80 R15: 00007ffc53b638f8 ================================================================================