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WARNING: CPU: 1 PID: 9026 at kernel/bpf/verifier.c:2722 reg_bounds_sanity_check+0x390/0x45c kernel/bpf/verifier.c:2722
verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds violation u64=[0x4000000, 0x0] s64=[0x4000000, 0x0] u32=[0x4000000, 0x0] s32=[0x4000000, 0x0] var_off=(0x0, 0x0)(1)
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 9026 Comm: syz.6.473 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 r4:82260254
[<80201b08>] (show_stack) from [<8021fb74>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021fb74>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021fb20>] (dump_stack_lvl) from [<8021fbb4>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a77d18
[<8021fb9c>] (dump_stack) from [<80202624>] (vpanic+0x10c/0x30c kernel/panic.c:430)
[<80202518>] (vpanic) from [<80202858>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:566)
 r7:803d4384
[<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 r1:82246c70 r0:8224e6ec
[<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 r7:82266b54 r6:e0505984 r5:8565d400 r4:00000000
[<80254bd0>] (warn_slowpath_fmt) from [<803d4384>] (reg_bounds_sanity_check+0x390/0x45c kernel/bpf/verifier.c:2722)
 r10:86270000 r9:04000000 r8:00000000 r7:04000000 r6:00000000 r5:822674b0
 r4:84e04ad0
[<803d3ff4>] (reg_bounds_sanity_check) from [<803e2888>] (reg_set_min_max kernel/bpf/verifier.c:16336 [inline])
[<803d3ff4>] (reg_bounds_sanity_check) from [<803e2888>] (reg_set_min_max+0x1e8/0x26c kernel/bpf/verifier.c:16308)
 r10:00000000 r9:86275c18 r8:00000030 r7:86270000 r6:86275ba0 r5:84febad0
 r4:84e04ad0
[<803e26a0>] (reg_set_min_max) from [<803ec970>] (check_cond_jmp_op+0x560/0x1718 kernel/bpf/verifier.c:16779)
 r10:86275ba0 r9:84feb800 r8:00000030 r7:83b84900 r6:85d5e780 r5:86270000
 r4:dff05070 r3:84e04ad0
[<803ec410>] (check_cond_jmp_op) from [<803f6de8>] (do_check_insn kernel/bpf/verifier.c:19956 [inline])
[<803ec410>] (check_cond_jmp_op) from [<803f6de8>] (do_check kernel/bpf/verifier.c:20093 [inline])
[<803ec410>] (check_cond_jmp_op) from [<803f6de8>] (do_check_common+0x2008/0x311c kernel/bpf/verifier.c:23260)
 r10:0000000e r9:86275000 r8:dff05040 r7:00000008 r6:dff05000 r5:8606d5c8
 r4:86270000
[<803f4de0>] (do_check_common) from [<803fb6b8>] (do_check_main kernel/bpf/verifier.c:23343 [inline])
[<803f4de0>] (do_check_common) from [<803fb6b8>] (bpf_check+0x28c8/0x3038 kernel/bpf/verifier.c:24703)
 r10:00000000 r9:862707b8 r8:86270000 r7:00000001 r6:86275000 r5:00000016
 r4:00000a7b
[<803f8df0>] (bpf_check) from [<803cdb60>] (bpf_prog_load+0x68c/0xc20 kernel/bpf/syscall.c:2979)
 r10:8565d400 r9:84de8f30 r8:00000048 r7:e0505d90 r6:00000000 r5:00000000
 r4:e0505ec0
[<803cd4d4>] (bpf_prog_load) from [<803cf19c>] (__sys_bpf+0x42c/0x20f0 kernel/bpf/syscall.c:6029)
 r10:b5403587 r9:200054c0 r8:00000000 r7:00000000 r6:00000005 r5:e0505e90
 r4:00000048
[<803ced70>] (__sys_bpf) from [<803d1400>] (__do_sys_bpf kernel/bpf/syscall.c:6139 [inline])
[<803ced70>] (__sys_bpf) from [<803d1400>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6137)
 r10:00000182 r9:8565d400 r8:8020029c r7:00000182 r6:002f6308 r5:00000000
 r4:00000000
[<803d13d4>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xe0505fa8 to 0xe0505ff0)
5fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
5fc0: 00000000 00000000 002f6308 00000182 002e0000 00000000 00006364 76fc60bc
5fe0: 76fc5ec0 76fc5eb0 0001948c 001322c0
Rebooting in 86400 seconds..