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WARNING: kernel/bpf/verifier.c:2824 at reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2824, CPU#0: syz.1.27/3775
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: 3775 Comm: syz.1.27 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)
 r7:8281f9b4 r6:00000000 r5:822a88f8 r4:00000001
[<80201af0>] (show_stack) from [<8021e410>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201af0>] (show_stack) from [<8021e410>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e3b4>] (dump_stack_lvl) from [<8021e43c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:8281f9b4 r6:00000000 r5:84796200 r4:82a80d14
[<8021e424>] (dump_stack) from [<8020260c>] (vpanic+0x114/0x320 kernel/panic.c:650)
[<802024f8>] (vpanic) from [<8020284c>] (trace_suspend_resume+0x0/0x104 kernel/panic.c:787)
 r7:803e145c
[<80202818>] (panic) from [<80250a70>] (check_panic_on_warn kernel/panic.c:524 [inline])
[<80202818>] (panic) from [<80250a70>] (get_taint+0x0/0x1c kernel/panic.c:519)
 r3:8280c544 r2:00000001 r1:8228f604 r0:82296ed0
[<802509f8>] (check_panic_on_warn) from [<80250bec>] (__warn+0x98/0x1ac kernel/panic.c:1062)
[<80250b54>] (__warn) from [<80250ee8>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1097)
 r8:00000009 r7:822af25c r6:dfb618c4 r5:84796200 r4:00000000
[<80250d04>] (warn_slowpath_fmt) from [<803e145c>] (reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2824)
 r10:861b0000 r9:ffffdfcd r8:80000000 r7:ffffdfcd r6:ffffdfcc r5:822afa04
 r4:8532e230
[<803e109c>] (reg_bounds_sanity_check) from [<803ee3cc>] (reg_set_min_max kernel/bpf/verifier.c:17187 [inline])
[<803e109c>] (reg_bounds_sanity_check) from [<803ee3cc>] (reg_set_min_max+0x1d4/0x298 kernel/bpf/verifier.c:17154)
 r10:00000001 r9:00000010 r8:861b0000 r7:85dad310 r6:8532e310 r5:8532e230
 r4:85dad230
[<803ee1f8>] (reg_set_min_max) from [<803ff0a4>] (check_cond_jmp_op+0xc84/0x1988 kernel/bpf/verifier.c:17644)
 r10:8532e000 r9:00000010 r8:861ee180 r7:ffffffff r6:80000000 r5:86156600
 r4:dfbad0c0 r3:85dad230
[<803fe420>] (check_cond_jmp_op) from [<80405700>] (do_check_insn kernel/bpf/verifier.c:21212 [inline])
[<803fe420>] (check_cond_jmp_op) from [<80405700>] (do_check kernel/bpf/verifier.c:21352 [inline])
[<803fe420>] (check_cond_jmp_op) from [<80405700>] (do_check_common+0x2584/0x3214 kernel/bpf/verifier.c:24694)
 r10:861b4000 r9:861b0000 r8:dfbad0c0 r7:861b6000 r6:00000018 r5:dfbad078
 r4:dfbad000
[<8040317c>] (do_check_common) from [<80409300>] (do_check_main kernel/bpf/verifier.c:24777 [inline])
[<8040317c>] (do_check_common) from [<80409300>] (bpf_check+0x228c/0x2d2c kernel/bpf/verifier.c:26100)
 r10:861b6000 r9:00000001 r8:861b0000 r7:00000a7b r6:861b08bc r5:00000000
 r4:00000016
[<80407074>] (bpf_check) from [<803da79c>] (bpf_prog_load+0x5b8/0xdec kernel/bpf/syscall.c:3089)
 r10:dfbad000 r9:84796200 r8:85dab330 r7:dfb61d18 r6:00000000 r5:00000000
 r4:dfb61eb0
[<803da1e4>] (bpf_prog_load) from [<803dbfc4>] (__sys_bpf+0x2d8/0x2038 kernel/bpf/syscall.c:6249)
 r10:00000005 r9:00000000 r8:dfb61e50 r7:00000048 r6:84796200 r5:200054c0
 r4:00000000
[<803dbcec>] (__sys_bpf) from [<803de2bc>] (__do_sys_bpf kernel/bpf/syscall.c:6362 [inline])
[<803dbcec>] (__sys_bpf) from [<803de2bc>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6360)
 r10:00000182 r9:84796200 r8:8020029c r7:00000182 r6:00346310 r5:00000000
 r4:00000000
[<803de290>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdfb61fa8 to 0xdfb61ff0)
1fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
1fc0: 00000000 00000000 00346310 00000182 003462d8 00000000 003d0f00 76f760dc
1fe0: 76f75e88 76f75e78 00018bc4 00130300
Rebooting in 86400 seconds..