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WARNING: kernel/bpf/verifier.c:2763 at reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2763, CPU#1: syz.0.1847/10193
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: 1 UID: 0 PID: 10193 Comm: syz.0.1847 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<802019e8>] (dump_backtrace) from [<80201adc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:8228d570 r6:00000000 r5:8229eea0 r4:00000001
[<80201ac4>] (show_stack) from [<8021ee20>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201ac4>] (show_stack) from [<8021ee20>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021edc4>] (dump_stack_lvl) from [<8021ee4c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:8228d570 r6:84f10000 r5:00000000 r4:82a7cd14
[<8021ee34>] (dump_stack) from [<8020256c>] (vpanic+0xe0/0x2e4 kernel/panic.c:490)
[<8020248c>] (vpanic) from [<802027a4>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:627)
 r7:803db42c
[<80202770>] (panic) from [<8025158c>] (check_panic_on_warn kernel/panic.c:377 [inline])
[<80202770>] (panic) from [<8025158c>] (get_taint+0x0/0x1c kernel/panic.c:372)
 r3:8280c544 r2:00000001 r1:82285d20 r0:8228d570
[<80251514>] (check_panic_on_warn) from [<80251708>] (__warn+0x98/0x1a8 kernel/panic.c:902)
[<80251670>] (__warn) from [<80251a00>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:937)
 r8:00000009 r7:822a573c r6:df9f58c4 r5:84f10000 r4:00000000
[<8025181c>] (warn_slowpath_fmt) from [<803db42c>] (reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2763)
 r10:86b88000 r9:ffffdfcd r8:80000000 r7:ffffdfcd r6:ffffdfcc r5:822a5ea0
 r4:8688ca30
[<803db06c>] (reg_bounds_sanity_check) from [<803e815c>] (reg_set_min_max kernel/bpf/verifier.c:17104 [inline])
[<803db06c>] (reg_bounds_sanity_check) from [<803e815c>] (reg_set_min_max+0x1c4/0x288 kernel/bpf/verifier.c:17071)
 r10:00000001 r9:00000010 r8:86b88000 r7:86babb10 r6:8688cb10 r5:8688ca30
 r4:86baba30
[<803e7f98>] (reg_set_min_max) from [<803f8da0>] (check_cond_jmp_op+0xc7c/0x1980 kernel/bpf/verifier.c:17548)
 r10:8688c800 r9:00000010 r8:85bb5480 r7:ffffffff r6:80000000 r5:85f43480
 r4:dfa620c0 r3:86baba30
[<803f8124>] (check_cond_jmp_op) from [<803ff410>] (do_check_insn kernel/bpf/verifier.c:21103 [inline])
[<803f8124>] (check_cond_jmp_op) from [<803ff410>] (do_check kernel/bpf/verifier.c:21243 [inline])
[<803f8124>] (check_cond_jmp_op) from [<803ff410>] (do_check_common+0x259c/0x3228 kernel/bpf/verifier.c:24581)
 r10:85bb5480 r9:86b88000 r8:dfa620c0 r7:86b8e000 r6:00000018 r5:dfa62078
 r4:dfa62000
[<803fce74>] (do_check_common) from [<80403064>] (do_check_main kernel/bpf/verifier.c:24664 [inline])
[<803fce74>] (do_check_common) from [<80403064>] (bpf_check+0x22e4/0x2d30 kernel/bpf/verifier.c:25989)
 r10:86b8e000 r9:00000001 r8:86b88000 r7:00000a7b r6:86b888bc r5:00000000
 r4:00000016
[<80400d80>] (bpf_check) from [<803d477c>] (bpf_prog_load+0x5b8/0xdec kernel/bpf/syscall.c:3088)
 r10:dfa62000 r9:84f10000 r8:86baa330 r7:df9f5d18 r6:00000000 r5:00000000
 r4:df9f5eb0
[<803d41c4>] (bpf_prog_load) from [<803d5fa4>] (__sys_bpf+0x2d8/0x2008 kernel/bpf/syscall.c:6228)
 r10:00000005 r9:00000000 r8:df9f5e50 r7:00000048 r6:84f10000 r5:200054c0
 r4:00000000
[<803d5ccc>] (__sys_bpf) from [<803d826c>] (__do_sys_bpf kernel/bpf/syscall.c:6341 [inline])
[<803d5ccc>] (__sys_bpf) from [<803d826c>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6339)
 r10:00000182 r9:84f10000 r8:8020029c r7:00000182 r6:00346450 r5:00000000
 r4:00000000
[<803d8240>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdf9f5fa8 to 0xdf9f5ff0)
5fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
5fc0: 00000000 00000000 00346450 00000182 00346418 00000000 00000001 76fb30dc
5fe0: 76fb2e88 76fb2e78 00018734 0012fc20
Rebooting in 86400 seconds..