------------[ cut here ]------------
WARNING: kernel/bpf/verifier.c:22748 at convert_ctx_accesses kernel/bpf/verifier.c:22748 [inline], CPU#1: syz.4.1092/8406
WARNING: kernel/bpf/verifier.c:22748 at bpf_check+0x2a8c/0x2d30 kernel/bpf/verifier.c:26109, CPU#1: syz.4.1092/8406
verifier bug: error during ctx access conversion (2)
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 8406 Comm: syz.4.1092 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 r5:822a8484 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 r5:83fd4980 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)
 r7:804096f4
[<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 r1:8228f1b0 r0:82296a7c
[<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 r7:822aede8 r6:ea875b9c r5:83fd4980 r4:00000000
[<80250d04>] (warn_slowpath_fmt) from [<804096f4>] (convert_ctx_accesses kernel/bpf/verifier.c:22748 [inline])
[<80250d04>] (warn_slowpath_fmt) from [<804096f4>] (bpf_check+0x2a8c/0x2d30 kernel/bpf/verifier.c:26109)
 r10:852ce000 r9:00000000 r8:852c8000 r7:00000002 r6:00000002 r5:ea893058
 r4:00000002
[<80406c68>] (bpf_check) from [<803da42c>] (bpf_prog_load+0x5b8/0xdec kernel/bpf/syscall.c:3089)
 r10:ea893000 r9:83fd4980 r8:85997330 r7:ea875d18 r6:00000000 r5:00000000
 r4:ea875eb0
[<803d9e74>] (bpf_prog_load) from [<803dbc54>] (__sys_bpf+0x2d8/0x2038 kernel/bpf/syscall.c:6228)
 r10:00000005 r9:00000000 r8:ea875e50 r7:00000070 r6:83fd4980 r5:200000c0
 r4:00000000
[<803db97c>] (__sys_bpf) from [<803ddf4c>] (__do_sys_bpf kernel/bpf/syscall.c:6341 [inline])
[<803db97c>] (__sys_bpf) from [<803ddf4c>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6339)
 r10:00000182 r9:83fd4980 r8:8020029c r7:00000182 r6:00346310 r5:00000000
 r4:00000000
[<803ddf20>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xea875fa8 to 0xea875ff0)
5fa0:                   00000000 00000000 00000005 200000c0 00000070 00000000
5fc0: 00000000 00000000 00346310 00000182 003462d8 00000000 00000001 76f630dc
5fe0: 76f62e88 76f62e78 00018bcc 00130310
Rebooting in 86400 seconds..