================================================================================ UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:7979:63 shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') CPU: 1 PID: 295 Comm: syz-executor323 Not tainted 5.15.139-syzkaller-00529-g05ef4ccb5774 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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:7979 adjust_scalar_min_max_vals kernel/bpf/verifier.c:8167 [inline] adjust_reg_min_max_vals+0x3d1d/0x6360 kernel/bpf/verifier.c:8268 check_alu_op kernel/bpf/verifier.c:8439 [inline] do_check+0x94d9/0xf2c0 kernel/bpf/verifier.c:11183 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13398 do_check_main kernel/bpf/verifier.c:13461 [inline] bpf_check+0x3835/0x12bf0 kernel/bpf/verifier.c:14032 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: 0033:0x7f8ad774e3e9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcad20df38 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffcad20e118 RCX: 00007f8ad774e3e9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007f8ad77c1610 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcad20e108 R14: 0000000000000001 R15: 0000000000000001 ================================================================================ ================================================================================ UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:7980:63 shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') CPU: 1 PID: 295 Comm: syz-executor323 Not tainted 5.15.139-syzkaller-00529-g05ef4ccb5774 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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:7980 adjust_scalar_min_max_vals kernel/bpf/verifier.c:8167 [inline] adjust_reg_min_max_vals+0x3d1d/0x6360 kernel/bpf/verifier.c:8268 check_alu_op kernel/bpf/verifier.c:8439 [inline] do_check+0x94d9/0xf2c0 kernel/bpf/verifier.c:11183 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13398 do_check_main kernel/bpf/verifier.c:13461 [inline] bpf_check+0x3835/0x12bf0 kernel/bpf/verifier.c:14032 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: 0033:0x7f8ad774e3e9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcad20df38 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffcad20e118 RCX: 00007f8ad774e3e9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007f8ad77c1610 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcad20e108 R14: 0000000000000001 R15: 0000000000000001 ================================================================================