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WARNING: CPU: 1 PID: 5605 at kernel/bpf/verifier.c:2722 reg_bounds_sanity_check+0x390/0x45c kernel/bpf/verifier.c:2722
verifier bug: REG INVARIANTS VIOLATION (alu): range bounds violation u64=[0xfffffffffffffffd, 0xfffffffffffffffc] s64=[0xfffffffffffffffd, 0xfffffffffffffffc] u32=[0xfffffffd, 0xfffffffc] s32=[0xfffffffd, 0xfffffffc] var_off=(0xfffffffffffffffc, 0x0)(1)
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 5605 Comm: syz.1.565 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)
 r7:00000000 r6:8281f77c r5:00000000 r4:82260aec
[<80201b08>] (show_stack) from [<8021fbe4>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021fbe4>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021fb90>] (dump_stack_lvl) from [<8021fc24>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a77d18
[<8021fc0c>] (dump_stack) from [<80202624>] (vpanic+0x10c/0x30c kernel/panic.c:430)
[<80202518>] (vpanic) from [<80202858>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:566)
 r7:803d4444
[<80202824>] (panic) from [<80254960>] (check_panic_on_warn kernel/panic.c:323 [inline])
[<80202824>] (panic) from [<80254960>] (get_taint+0x0/0x1c kernel/panic.c:318)
 r3:8280c684 r2:00000001 r1:82247508 r0:8224ef84
[<802548e8>] (check_panic_on_warn) from [<80254ac4>] (__warn+0x80/0x188 kernel/panic.c:837)
[<80254a44>] (__warn) from [<80254db4>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:872)
 r8:00000009 r7:822673ec r6:dfa559d4 r5:85ab3c00 r4:00000000
[<80254bd0>] (warn_slowpath_fmt) from [<803d4444>] (reg_bounds_sanity_check+0x390/0x45c kernel/bpf/verifier.c:2722)
 r10:85498000 r9:fffffffd r8:ffffffff r7:fffffffd r6:fffffffc r5:82267d48
 r4:8582b168
[<803d40b4>] (reg_bounds_sanity_check) from [<803ebb68>] (check_alu_op+0x110/0xa78 kernel/bpf/verifier.c:15783)
 r10:0000000b r9:8549d000 r8:00000000 r7:00000010 r6:8582b000 r5:85498000
 r4:dfa49058
[<803eba58>] (check_alu_op) from [<803f64f0>] (do_check_insn kernel/bpf/verifier.c:19836 [inline])
[<803eba58>] (check_alu_op) from [<803f64f0>] (do_check kernel/bpf/verifier.c:20093 [inline])
[<803eba58>] (check_alu_op) from [<803f64f0>] (do_check_common+0x1650/0x311c kernel/bpf/verifier.c:23260)
 r10:0000000b r9:8549d000 r8:dfa49028 r7:00000005 r6:dfa49000 r5:867d8ae0
 r4:85498000
[<803f4ea0>] (do_check_common) from [<803fb778>] (do_check_main kernel/bpf/verifier.c:23343 [inline])
[<803f4ea0>] (do_check_common) from [<803fb778>] (bpf_check+0x28c8/0x3038 kernel/bpf/verifier.c:24703)
 r10:00000000 r9:854987b8 r8:85498000 r7:00000001 r6:8549d000 r5:0000000e
 r4:00000a7b
[<803f8eb0>] (bpf_check) from [<803cdc24>] (bpf_prog_load+0x68c/0xc20 kernel/bpf/syscall.c:2979)
 r10:85ab3c00 r9:869bf330 r8:00000048 r7:dfa55d90 r6:00000000 r5:00000000
 r4:dfa55ec0
[<803cd598>] (bpf_prog_load) from [<803cf260>] (__sys_bpf+0x42c/0x20f0 kernel/bpf/syscall.c:6029)
 r10:b5403587 r9:200017c0 r8:00000000 r7:00000000 r6:00000005 r5:dfa55e90
 r4:00000048
[<803cee34>] (__sys_bpf) from [<803d14c4>] (__do_sys_bpf kernel/bpf/syscall.c:6139 [inline])
[<803cee34>] (__sys_bpf) from [<803d14c4>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6137)
 r10:00000182 r9:85ab3c00 r8:8020029c r7:00000182 r6:002f6308 r5:00000000
 r4:00000000
[<803d1498>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdfa55fa8 to 0xdfa55ff0)
5fa0:                   00000000 00000000 00000005 200017c0 00000048 00000000
5fc0: 00000000 00000000 002f6308 00000182 002e0000 00000000 00006364 76f710bc
5fe0: 76f70ec0 76f70eb0 0001946c 00132280
Rebooting in 86400 seconds..