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WARNING: kernel/bpf/verifier.c:2793 at reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2793, CPU#0: syz.3.317/5892
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)
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 5892 Comm: syz.3.317 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:8281f940 r6:00000000 r5:822a7a0c r4:00000001
[<80201af0>] (show_stack) from [<8021e44c>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201af0>] (show_stack) from [<8021e44c>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e3f0>] (dump_stack_lvl) from [<8021e478>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:8281f940 r6:00000000 r5:84f71800 r4:82a80d14
[<8021e460>] (dump_stack) from [<802025f4>] (vpanic+0x114/0x320 kernel/panic.c:650)
[<802024e0>] (vpanic) from [<80202834>] (trace_suspend_resume+0x0/0x104 kernel/panic.c:787)
 r7:803e04d4
[<80202800>] (panic) from [<80250a74>] (check_panic_on_warn kernel/panic.c:524 [inline])
[<80202800>] (panic) from [<80250a74>] (get_taint+0x0/0x1c kernel/panic.c:519)
 r3:8280c544 r2:00000001 r1:8228e7b0 r0:82296068
[<802509fc>] (check_panic_on_warn) from [<80250bf0>] (__warn+0x98/0x1ac kernel/panic.c:1062)
[<80250b58>] (__warn) from [<80250eec>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1097)
 r8:00000009 r7:822ae344 r6:df9958c4 r5:84f71800 r4:00000000
[<80250d08>] (warn_slowpath_fmt) from [<803e04d4>] (reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2793)
 r10:85988000 r9:ffffdfcd r8:80000000 r7:ffffdfcd r6:ffffdfcc r5:822aeaec
 r4:85269230
[<803e0114>] (reg_bounds_sanity_check) from [<803ed374>] (reg_set_min_max kernel/bpf/verifier.c:17134 [inline])
[<803e0114>] (reg_bounds_sanity_check) from [<803ed374>] (reg_set_min_max+0x1d4/0x298 kernel/bpf/verifier.c:17101)
 r10:00000001 r9:00000010 r8:85988000 r7:8537d310 r6:85269310 r5:85269230
 r4:8537d230
[<803ed1a0>] (reg_set_min_max) from [<803fdfa4>] (check_cond_jmp_op+0xc7c/0x1980 kernel/bpf/verifier.c:17578)
 r10:85269000 r9:00000010 r8:85d3c600 r7:ffffffff r6:80000000 r5:85e2d600
 r4:dfa1f0c0 r3:8537d230
[<803fd328>] (check_cond_jmp_op) from [<80404618>] (do_check_insn kernel/bpf/verifier.c:21137 [inline])
[<803fd328>] (check_cond_jmp_op) from [<80404618>] (do_check kernel/bpf/verifier.c:21277 [inline])
[<803fd328>] (check_cond_jmp_op) from [<80404618>] (do_check_common+0x259c/0x3228 kernel/bpf/verifier.c:24619)
 r10:8598c000 r9:85988000 r8:dfa1f0c0 r7:8598e000 r6:00000018 r5:dfa1f078
 r4:dfa1f000
[<8040207c>] (do_check_common) from [<80408218>] (do_check_main kernel/bpf/verifier.c:24702 [inline])
[<8040207c>] (do_check_common) from [<80408218>] (bpf_check+0x2290/0x2d30 kernel/bpf/verifier.c:26026)
 r10:8598e000 r9:00000001 r8:85988000 r7:00000a7b r6:859888bc r5:00000000
 r4:00000016
[<80405f88>] (bpf_check) from [<803d981c>] (bpf_prog_load+0x5b8/0xdec kernel/bpf/syscall.c:3089)
 r10:dfa1f000 r9:84f71800 r8:852a8b30 r7:df995d18 r6:00000000 r5:00000000
 r4:df995eb0
[<803d9264>] (bpf_prog_load) from [<803db044>] (__sys_bpf+0x2d8/0x2034 kernel/bpf/syscall.c:6228)
 r10:00000005 r9:00000000 r8:df995e50 r7:00000048 r6:84f71800 r5:200054c0
 r4:00000000
[<803dad6c>] (__sys_bpf) from [<803dd338>] (__do_sys_bpf kernel/bpf/syscall.c:6341 [inline])
[<803dad6c>] (__sys_bpf) from [<803dd338>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6339)
 r10:00000182 r9:84f71800 r8:8020029c r7:00000182 r6:00346310 r5:00000000
 r4:00000000
[<803dd30c>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdf995fa8 to 0xdf995ff0)
5fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
5fc0: 00000000 00000000 00346310 00000182 003462d8 00000000 00000001 76f4b0dc
5fe0: 76f4ae88 76f4ae78 00018ba0 001302e0
Rebooting in 86400 seconds..