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WARNING: kernel/bpf/verifier.c:2763 at reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2763, CPU#0: syz.5.427/6411
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: 6411 Comm: syz.5.427 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 r5:822a7824 r4:00000001
[<80201af0>] (show_stack) from [<8021e45c>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201af0>] (show_stack) from [<8021e45c>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e400>] (dump_stack_lvl) from [<8021e488>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:8281f940 r6:00000000 r5:833c6000 r4:82a80d14
[<8021e470>] (dump_stack) from [<802025f4>] (vpanic+0x114/0x320 kernel/panic.c:650)
[<802024e0>] (vpanic) from [<80202834>] (trace_suspend_resume+0x0/0x104 kernel/panic.c:787)
 r7:803e0584
[<80202800>] (panic) from [<80250a68>] (check_panic_on_warn kernel/panic.c:524 [inline])
[<80202800>] (panic) from [<80250a68>] (get_taint+0x0/0x1c kernel/panic.c:519)
 r3:8280c544 r2:00000001 r1:8228e5c8 r0:82295e80
[<802509f0>] (check_panic_on_warn) from [<80250be4>] (__warn+0x98/0x1ac kernel/panic.c:1062)
[<80250b4c>] (__warn) from [<80250ee0>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1097)
 r8:00000009 r7:822ae15c r6:df9458c4 r5:833c6000 r4:00000000
[<80250cfc>] (warn_slowpath_fmt) from [<803e0584>] (reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2763)
 r10:860b8000 r9:ffffdfcd r8:80000000 r7:ffffdfcd r6:ffffdfcc r5:822ae8c0
 r4:853e3a30
[<803e01c4>] (reg_bounds_sanity_check) from [<803ed2ac>] (reg_set_min_max kernel/bpf/verifier.c:17104 [inline])
[<803e01c4>] (reg_bounds_sanity_check) from [<803ed2ac>] (reg_set_min_max+0x1c4/0x288 kernel/bpf/verifier.c:17071)
 r10:00000001 r9:00000010 r8:860b8000 r7:85d6d310 r6:853e3b10 r5:853e3a30
 r4:85d6d230
[<803ed0e8>] (reg_set_min_max) from [<803fdef0>] (check_cond_jmp_op+0xc7c/0x1980 kernel/bpf/verifier.c:17548)
 r10:853e3800 r9:00000010 r8:84dec200 r7:ffffffff r6:80000000 r5:85ff93c0
 r4:df92f0c0 r3:85d6d230
[<803fd274>] (check_cond_jmp_op) from [<80404560>] (do_check_insn kernel/bpf/verifier.c:21103 [inline])
[<803fd274>] (check_cond_jmp_op) from [<80404560>] (do_check kernel/bpf/verifier.c:21243 [inline])
[<803fd274>] (check_cond_jmp_op) from [<80404560>] (do_check_common+0x259c/0x3228 kernel/bpf/verifier.c:24581)
 r10:84dec200 r9:860b8000 r8:df92f0c0 r7:860be000 r6:00000018 r5:df92f078
 r4:df92f000
[<80401fc4>] (do_check_common) from [<804081b4>] (do_check_main kernel/bpf/verifier.c:24664 [inline])
[<80401fc4>] (do_check_common) from [<804081b4>] (bpf_check+0x22e4/0x2d30 kernel/bpf/verifier.c:25989)
 r10:860be000 r9:00000001 r8:860b8000 r7:00000a7b r6:860b88bc r5:00000000
 r4:00000016
[<80405ed0>] (bpf_check) from [<803d98d4>] (bpf_prog_load+0x5b8/0xdec kernel/bpf/syscall.c:3089)
 r10:df92f000 r9:833c6000 r8:85d52b30 r7:df945d18 r6:00000000 r5:00000000
 r4:df945eb0
[<803d931c>] (bpf_prog_load) from [<803db0fc>] (__sys_bpf+0x2d8/0x2008 kernel/bpf/syscall.c:6229)
 r10:00000005 r9:00000000 r8:df945e50 r7:00000048 r6:833c6000 r5:200054c0
 r4:00000000
[<803dae24>] (__sys_bpf) from [<803dd3c4>] (__do_sys_bpf kernel/bpf/syscall.c:6342 [inline])
[<803dae24>] (__sys_bpf) from [<803dd3c4>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6340)
 r10:00000182 r9:833c6000 r8:8020029c r7:00000182 r6:00346450 r5:00000000
 r4:00000000
[<803dd398>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdf945fa8 to 0xdf945ff0)
5fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
5fc0: 00000000 00000000 00346450 00000182 00346418 00000000 00000001 76fb90dc
5fe0: 76fb8e88 76fb8e78 00018ba0 001300f0
Rebooting in 86400 seconds..