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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.1.1240/9088
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: 9088 Comm: syz.1.1240 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 r5:822a79b0 r4:00000001
[<80201af0>] (show_stack) from [<8021e464>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201af0>] (show_stack) from [<8021e464>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e408>] (dump_stack_lvl) from [<8021e490>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:8281f940 r6:00000000 r5:846b4800 r4:82a80d14
[<8021e478>] (dump_stack) from [<8020260c>] (vpanic+0x114/0x320 kernel/panic.c:650)
[<802024f8>] (vpanic) from [<8020284c>] (trace_suspend_resume+0x0/0x104 kernel/panic.c:787)
 r7:803e0a34
[<80202818>] (panic) from [<80250a0c>] (check_panic_on_warn kernel/panic.c:524 [inline])
[<80202818>] (panic) from [<80250a0c>] (get_taint+0x0/0x1c kernel/panic.c:519)
 r3:8280c544 r2:00000001 r1:8228e754 r0:8229600c
[<80250994>] (check_panic_on_warn) from [<80250b88>] (__warn+0x98/0x1ac kernel/panic.c:1062)
[<80250af0>] (__warn) from [<80250e84>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1097)
 r8:00000009 r7:822ae2e8 r6:df9c58c4 r5:846b4800 r4:00000000
[<80250ca0>] (warn_slowpath_fmt) from [<803e0a34>] (reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2793)
 r10:860f0000 r9:ffffdfcd r8:80000000 r7:ffffdfcd r6:ffffdfcc r5:822aea90
 r4:85d98230
[<803e0674>] (reg_bounds_sanity_check) from [<803ed8d4>] (reg_set_min_max kernel/bpf/verifier.c:17134 [inline])
[<803e0674>] (reg_bounds_sanity_check) from [<803ed8d4>] (reg_set_min_max+0x1d4/0x298 kernel/bpf/verifier.c:17101)
 r10:00000001 r9:00000010 r8:860f0000 r7:84fe1b10 r6:85d98310 r5:85d98230
 r4:84fe1a30
[<803ed700>] (reg_set_min_max) from [<803fe504>] (check_cond_jmp_op+0xc7c/0x1980 kernel/bpf/verifier.c:17578)
 r10:85d98000 r9:00000010 r8:830bc900 r7:ffffffff r6:80000000 r5:858b63c0
 r4:df97e0c0 r3:84fe1a30
[<803fd888>] (check_cond_jmp_op) from [<80404b78>] (do_check_insn kernel/bpf/verifier.c:21137 [inline])
[<803fd888>] (check_cond_jmp_op) from [<80404b78>] (do_check kernel/bpf/verifier.c:21277 [inline])
[<803fd888>] (check_cond_jmp_op) from [<80404b78>] (do_check_common+0x259c/0x3228 kernel/bpf/verifier.c:24619)
 r10:860f4000 r9:860f0000 r8:df97e0c0 r7:860f6000 r6:00000018 r5:df97e078
 r4:df97e000
[<804025dc>] (do_check_common) from [<80408778>] (do_check_main kernel/bpf/verifier.c:24702 [inline])
[<804025dc>] (do_check_common) from [<80408778>] (bpf_check+0x2290/0x2d30 kernel/bpf/verifier.c:26026)
 r10:860f6000 r9:00000001 r8:860f0000 r7:00000a7b r6:860f08bc r5:00000000
 r4:00000016
[<804064e8>] (bpf_check) from [<803d9d7c>] (bpf_prog_load+0x5b8/0xdec kernel/bpf/syscall.c:3089)
 r10:df97e000 r9:846b4800 r8:8597f330 r7:df9c5d18 r6:00000000 r5:00000000
 r4:df9c5eb0
[<803d97c4>] (bpf_prog_load) from [<803db5a4>] (__sys_bpf+0x2d8/0x2034 kernel/bpf/syscall.c:6228)
 r10:00000005 r9:00000000 r8:df9c5e50 r7:00000048 r6:846b4800 r5:200054c0
 r4:00000000
[<803db2cc>] (__sys_bpf) from [<803dd898>] (__do_sys_bpf kernel/bpf/syscall.c:6341 [inline])
[<803db2cc>] (__sys_bpf) from [<803dd898>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6339)
 r10:00000182 r9:846b4800 r8:8020029c r7:00000182 r6:00346450 r5:00000000
 r4:00000000
[<803dd86c>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdf9c5fa8 to 0xdf9c5ff0)
5fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
5fc0: 00000000 00000000 00346450 00000182 00346418 00000000 003d0f00 76edf0dc
5fe0: 76edee88 76edee78 00018ba0 001302e0
Rebooting in 86400 seconds..