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)(1)
WARNING: CPU: 0 PID: 3738 at kernel/bpf/verifier.c:2722 reg_bounds_sanity_check+0x164/0x210 kernel/bpf/verifier.c:2722
Modules linked in:
CPU: 0 UID: 0 PID: 3738 Comm: syz.1.121 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+0x164/0x210 kernel/bpf/verifier.c:2722
lr : reg_bounds_sanity_check+0x164/0x210 kernel/bpf/verifier.c:2722
sp : ffff8000886e37f0
x29: ffff8000886e3820 x28: 0000000000000006 x27: 0000000000000010
x26: fdf000000de6eb48 x25: 0000000000000001 x24: f1f000000aa48000
x23: ffff800082429a78 x22: ffff800082429a00 x21: ffff80008242bc00
x20: f1f000000aa48000 x19: fdf000000de6aa58 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffc8255078
x14: 0000000000000348 x13: 0000000000000000 x12: ffff800082911258
x11: 00000000000000c0 x10: 09a88477901cfb37 x9 : 55d3131fd65f6940
x8 : f0f000000a8b36f8 x7 : 0000000000000004 x6 : 0000000212c12e10
x5 : 0000000000000002 x4 : fbffff3fffffffff x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : f0f000000a8b2500
Call trace:
 reg_bounds_sanity_check+0x164/0x210 kernel/bpf/verifier.c:2722 (P)
 reg_set_min_max kernel/bpf/verifier.c:16334 [inline]
 reg_set_min_max+0x114/0x1f4 kernel/bpf/verifier.c:16308
 check_cond_jmp_op+0x8d0/0x12cc kernel/bpf/verifier.c:16768
 do_check_insn kernel/bpf/verifier.c:19956 [inline]
 do_check kernel/bpf/verifier.c:20093 [inline]
 do_check_common+0x2364/0x29e8 kernel/bpf/verifier.c:23260
 do_check_main kernel/bpf/verifier.c:23343 [inline]
 bpf_check+0x2280/0x2aac kernel/bpf/verifier.c:24703
 bpf_prog_load+0x634/0xb74 kernel/bpf/syscall.c:2979
 __sys_bpf+0x2e0/0x1a3c kernel/bpf/syscall.c:6029
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __arm64_sys_bpf+0x24/0x34 kernel/bpf/syscall.c:6137
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x48/0x110 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+0x34/0x10c arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596
---[ end trace 0000000000000000 ]---