verifier bug: REG INVARIANTS VIOLATION (true_reg1): range bounds violation u64=[0xffffdfcd, 0xffffffffffffdfcc] s64=[0x80000000ffffdfcd, 0x7fffffffffffdfcc] u32=[0xffffdfcd, 0xffffdfcc] s32=[0xffffdfcd, 0xffffdfcc] var_off=(0xffffdfcc, 0xffffffff00000000)
WARNING: kernel/bpf/verifier.c:2824 at reg_bounds_sanity_check+0x160/0x1e8 kernel/bpf/verifier.c:2824, CPU#1: syz.0.15080/9071
Modules linked in:
CPU: 1 UID: 0 PID: 9071 Comm: syz.0.15080 Not tainted syzkaller #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 61402009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : reg_bounds_sanity_check+0x160/0x1e8 kernel/bpf/verifier.c:2824
lr : reg_bounds_sanity_check+0x160/0x1e8 kernel/bpf/verifier.c:2824
sp : ffff80008503b750
x29: ffff80008503b780 x28: 0000000000000010 x27: 0000000000000230
x26: f2f000000b1b5310 x25: 0000000000000001 x24: 0000000000000010
x23: ffff8000825a5c50 x22: ffff8000825a5bd8 x21: ffff8000825a7f40
x20: f5f000003cad0000 x19: f2f000000b357230 x18: 00000000fffffffd
x17: ffffffffffffdfcd x16: 0000000000000000 x15: ffff800082d953d6
x14: 00000000ffffffea x13: ffff80008503b3a8 x12: ffff800082b6f288
x11: ffff800082abf2e0 x10: ffff800082b6f2e0 x9 : 0000000000000001
x8 : 0000000000000001 x7 : 000000000002ffe8 x6 : c0000000ffffdfff
x5 : fff000007d8e6508 x4 : 0000000000000000 x3 : fff07ffffae7c000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : faf0000027052180
Call trace:
 reg_bounds_sanity_check+0x160/0x1e8 kernel/bpf/verifier.c:2824 (P)
 reg_set_min_max kernel/bpf/verifier.c:17187 [inline]
 reg_set_min_max+0x118/0x208 kernel/bpf/verifier.c:17154
 check_cond_jmp_op+0xafc/0x149c kernel/bpf/verifier.c:17644
 do_check_insn kernel/bpf/verifier.c:21212 [inline]
 do_check kernel/bpf/verifier.c:21352 [inline]
 do_check_common+0x266c/0x2b40 kernel/bpf/verifier.c:24694
 do_check_main kernel/bpf/verifier.c:24777 [inline]
 bpf_check+0x1c20/0x26c0 kernel/bpf/verifier.c:26100
 bpf_prog_load+0x658/0xd80 kernel/bpf/syscall.c:3089
 __sys_bpf+0x944/0x1afc kernel/bpf/syscall.c:6249
 __do_sys_bpf kernel/bpf/syscall.c:6362 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6360 [inline]
 __arm64_sys_bpf+0x24/0x40 kernel/bpf/syscall.c:6360
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x48/0x104 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151
 el0_svc+0x34/0x124 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596
---[ end trace 0000000000000000 ]---