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WARNING: CPU: 1 PID: 15551 at kernel/bpf/verifier.c:2715 reg_bounds_sanity_check+0x390/0x45c kernel/bpf/verifier.c:2715
verifier bug: REG INVARIANTS VIOLATION (true_reg1): range bounds violation u64=[0x0, 0x1] s64=[0x0, 0x1] u32=[0x1, 0x0] s32=[0x0, 0x1] var_off=(0x0, 0x1)
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 15551 Comm: syz.8.994 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:822406c0 r6:86c56000 r5:00000000 r4:822523c8
[<80201b08>] (show_stack) from [<8021f920>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021f920>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021f8cc>] (dump_stack_lvl) from [<8021f960>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a78d18
[<8021f948>] (dump_stack) from [<802025f8>] (vpanic+0xe0/0x2e8 kernel/panic.c:489)
[<80202518>] (vpanic) from [<80202834>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:626)
 r7:803d7b34
[<80202800>] (panic) from [<80252948>] (check_panic_on_warn kernel/panic.c:376 [inline])
[<80202800>] (panic) from [<80252948>] (get_taint+0x0/0x1c kernel/panic.c:371)
 r3:8280c684 r2:00000001 r1:82238c24 r0:822406c0
[<802528d0>] (check_panic_on_warn) from [<80252aac>] (__warn+0x80/0x188 kernel/panic.c:897)
[<80252a2c>] (__warn) from [<80252d9c>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:932)
 r8:00000009 r7:82258d24 r6:df9fd91c r5:86c56000 r4:00000000
[<80252bb8>] (warn_slowpath_fmt) from [<803d7b34>] (reg_bounds_sanity_check+0x390/0x45c kernel/bpf/verifier.c:2715)
 r10:84a60000 r9:00000000 r8:00000000 r7:00000001 r6:00000001 r5:82259548
 r4:86c13000
[<803d77a4>] (reg_bounds_sanity_check) from [<803e2734>] (reg_set_min_max kernel/bpf/verifier.c:16407 [inline])
[<803d77a4>] (reg_bounds_sanity_check) from [<803e2734>] (reg_set_min_max+0x1b0/0x26c kernel/bpf/verifier.c:16381)
 r10:00000001 r9:86c0f800 r8:00000020 r7:84a60000 r6:86c13000 r5:86c13000
 r4:86c0f800
[<803e2584>] (reg_set_min_max) from [<803f3f74>] (check_cond_jmp_op+0x85c/0x1860 kernel/bpf/verifier.c:16841)
 r10:86c0f800 r9:86c13000 r8:00000000 r7:85c9b880 r6:85c9ba00 r5:84a60000
 r4:dfa59058 r3:86c0f800
[<803f3718>] (check_cond_jmp_op) from [<803fb2b4>] (do_check_insn kernel/bpf/verifier.c:19929 [inline])
[<803f3718>] (check_cond_jmp_op) from [<803fb2b4>] (do_check kernel/bpf/verifier.c:20069 [inline])
[<803f3718>] (check_cond_jmp_op) from [<803fb2b4>] (do_check_common+0x2010/0x30f4 kernel/bpf/verifier.c:23259)
 r10:0000000b r9:00000001 r8:84a65000 r7:00005fa0 r6:84a60000 r5:dfa59010
 r4:dfa59000
[<803f92a4>] (do_check_common) from [<803ffae0>] (do_check_main kernel/bpf/verifier.c:23342 [inline])
[<803f92a4>] (do_check_common) from [<803ffae0>] (bpf_check+0x29f8/0x2f50 kernel/bpf/verifier.c:24647)
 r10:00000000 r9:84a60000 r8:84a65000 r7:00000a7b r6:84a607bc r5:00000001
 r4:00000004
[<803fd0e8>] (bpf_check) from [<803d12b0>] (bpf_prog_load+0x650/0xd74 kernel/bpf/syscall.c:3077)
 r10:df9fdd90 r9:86c56000 r8:85b0a330 r7:df9fdd50 r6:00000000 r5:00000000
 r4:df9fdeb0
[<803d0c60>] (bpf_prog_load) from [<803d3108>] (__sys_bpf+0xab8/0x2240 kernel/bpf/syscall.c:6149)
 r10:202a0fb8 r9:86c56000 r8:df9fdea8 r7:00000000 r6:00000005 r5:df9fde80
 r4:0000002d
[<803d2650>] (__sys_bpf) from [<803d4e30>] (__do_sys_bpf kernel/bpf/syscall.c:6259 [inline])
[<803d2650>] (__sys_bpf) from [<803d4e30>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6257)
 r10:00000182 r9:86c56000 r8:8020029c r7:00000182 r6:00316308 r5:00000000
 r4:00000000
[<803d4e04>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdf9fdfa8 to 0xdf9fdff0)
dfa0:                   00000000 00000000 00000005 202a0fb8 0000002d 00000000
dfc0: 00000000 00000000 00316308 00000182 00300000 00000000 00006364 76f330bc
dfe0: 76f32ec0 76f32eb0 000195a4 00132510
Rebooting in 86400 seconds..