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WARNING: kernel/bpf/verifier.c:2742 at reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2742, CPU#0: syz.2.488/6234
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: 6234 Comm: syz.2.488 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a40>] (dump_backtrace) from [<80201b34>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:82290758 r6:00000000 r5:822a20bc r4:00000001
[<80201b1c>] (show_stack) from [<8021ed6c>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b1c>] (show_stack) from [<8021ed6c>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021ed10>] (dump_stack_lvl) from [<8021ed98>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:82290758 r6:85310000 r5:00000000 r4:82a7cd14
[<8021ed80>] (dump_stack) from [<802025c4>] (vpanic+0xe0/0x2e4 kernel/panic.c:490)
[<802024e4>] (vpanic) from [<802027fc>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:627)
 r7:803dc648
[<802027c8>] (panic) from [<80251f68>] (check_panic_on_warn kernel/panic.c:377 [inline])
[<802027c8>] (panic) from [<80251f68>] (get_taint+0x0/0x1c kernel/panic.c:372)
 r3:8280c504 r2:00000001 r1:82288f44 r0:82290758
[<80251ef0>] (check_panic_on_warn) from [<802520e0>] (__warn+0x94/0x1a0 kernel/panic.c:902)
[<8025204c>] (__warn) from [<802523d4>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:937)
 r8:00000009 r7:822a8958 r6:dfb998bc r5:85310000 r4:00000000
[<802521f0>] (warn_slowpath_fmt) from [<803dc648>] (reg_bounds_sanity_check+0x3c0/0x428 kernel/bpf/verifier.c:2742)
 r10:85a48000 r9:ffffdfcd r8:80000000 r7:ffffdfcd r6:ffffdfcc r5:822a90bc
 r4:85c02a30
[<803dc288>] (reg_bounds_sanity_check) from [<803e902c>] (reg_set_min_max kernel/bpf/verifier.c:16575 [inline])
[<803dc288>] (reg_bounds_sanity_check) from [<803e902c>] (reg_set_min_max+0x1c4/0x288 kernel/bpf/verifier.c:16542)
 r10:00000001 r9:00000010 r8:85a48000 r7:85c01310 r6:85c02b10 r5:85c02a30
 r4:85c01230
[<803e8e68>] (reg_set_min_max) from [<803f91c8>] (check_cond_jmp_op+0xc64/0x1968 kernel/bpf/verifier.c:17010)
 r10:85c02800 r9:00000010 r8:85217a80 r7:ffffffff r6:80000000 r5:84d69180
 r4:df83b0c0 r3:85c01230
[<803f8564>] (check_cond_jmp_op) from [<803ff450>] (do_check_insn kernel/bpf/verifier.c:20446 [inline])
[<803f8564>] (check_cond_jmp_op) from [<803ff450>] (do_check kernel/bpf/verifier.c:20586 [inline])
[<803f8564>] (check_cond_jmp_op) from [<803ff450>] (do_check_common+0x2160/0x31c4 kernel/bpf/verifier.c:23870)
 r10:85a48000 r9:00000000 r8:00000001 r7:85a4e000 r6:df83b0c0 r5:df83b078
 r4:df83b000
[<803fd2f0>] (do_check_common) from [<80403890>] (do_check_main kernel/bpf/verifier.c:23953 [inline])
[<803fd2f0>] (do_check_common) from [<80403890>] (bpf_check+0x275c/0x2d2c kernel/bpf/verifier.c:25260)
 r10:85a4e000 r9:00000001 r8:85a48000 r7:00000a7b r6:85a488bc r5:00000000
 r4:00000016
[<80401134>] (bpf_check) from [<803d59d8>] (bpf_prog_load+0x5b0/0xdd8 kernel/bpf/syscall.c:3088)
 r10:dfb99d58 r9:85310000 r8:84607730 r7:dfb99d18 r6:00000000 r5:00000000
 r4:dfb99eb0
[<803d5428>] (bpf_prog_load) from [<803d71d4>] (__sys_bpf+0x334/0x2118 kernel/bpf/syscall.c:6164)
 r10:00000005 r9:00000000 r8:dfb99e50 r7:00000048 r6:85310000 r5:200054c0
 r4:00000000
[<803d6ea0>] (__sys_bpf) from [<803d954c>] (__do_sys_bpf kernel/bpf/syscall.c:6274 [inline])
[<803d6ea0>] (__sys_bpf) from [<803d954c>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6272)
 r10:00000182 r9:85310000 r8:8020029c r7:00000182 r6:00346450 r5:00000000
 r4:00000000
[<803d9520>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdfb99fa8 to 0xdfb99ff0)
9fa0:                   00000000 00000000 00000005 200054c0 00000048 00000000
9fc0: 00000000 00000000 00346450 00000182 00346418 00000000 003d0f00 76f3f0dc
9fe0: 76f3ee88 76f3ee78 00018734 0012fc20
Rebooting in 86400 seconds..