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WARNING: kernel/bpf/fixups.c:941 at bpf_convert_ctx_accesses+0xc20/0xd94 kernel/bpf/fixups.c:941, CPU#1: syz.7.7729/6177
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: 6177 Comm: syz.7.7729 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Call trace: 
[<8020199c>] (dump_backtrace) from [<80201a90>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:82a1eab8 r6:00000000 r5:8231ec8c r4:00000001
[<80201a78>] (show_stack) from [<8021e5e4>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201a78>] (show_stack) from [<8021e5e4>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e588>] (dump_stack_lvl) from [<8021e610>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:82a1eab8 r6:00000000 r5:893b8c80 r4:82c7cd40
[<8021e5f8>] (dump_stack) from [<80202594>] (vpanic+0x114/0x320 kernel/panic.c:650)
[<80202480>] (vpanic) from [<802027d4>] (trace_suspend_resume+0x0/0x104 kernel/panic.c:787)
 r7:8042d518
[<802027a0>] (panic) from [<80250b00>] (check_panic_on_warn kernel/panic.c:524 [inline])
[<802027a0>] (panic) from [<80250b00>] (get_taint+0x0/0x1c kernel/panic.c:519)
 r3:82a0b544 r2:00000001 r1:823056f0 r0:8230d050
[<80250a88>] (check_panic_on_warn) from [<80250c7c>] (__warn+0x98/0x1ac kernel/panic.c:1103)
[<80250be4>] (__warn) from [<80250f78>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1138)
 r8:00000009 r7:8232c464 r6:dfcbdb3c r5:893b8c80 r4:00000000
[<80250d94>] (warn_slowpath_fmt) from [<8042d518>] (bpf_convert_ctx_accesses+0xc20/0xd94 kernel/bpf/fixups.c:941)
 r10:00000000 r9:e0419058 r8:00000002 r7:88800000 r6:00000002 r5:00000008
 r4:00000002
[<8042c8f8>] (bpf_convert_ctx_accesses) from [<80405d8c>] (bpf_check+0x17d8/0x2a58 kernel/bpf/verifier.c:20109)
 r10:88800000 r9:88806000 r8:88806000 r7:857eac40 r6:88800830 r5:ffffffff
 r4:00000001
[<804045b4>] (bpf_check) from [<803e1754>] (bpf_prog_load+0x594/0xd78 kernel/bpf/syscall.c:3082)
 r10:893b8c80 r9:00000000 r8:dfcbdd18 r7:00000000 r6:00000004 r5:85718330
 r4:dfcbdeb0
[<803e11c0>] (bpf_prog_load) from [<803e2f58>] (__sys_bpf+0x2d8/0x203c kernel/bpf/syscall.c:6274)
 r10:00000005 r9:00000000 r8:dfcbde50 r7:00000070 r6:893b8c80 r5:200000c0
 r4:00000000
[<803e2c80>] (__sys_bpf) from [<803e5258>] (__do_sys_bpf kernel/bpf/syscall.c:6387 [inline])
[<803e2c80>] (__sys_bpf) from [<803e5258>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:6385)
 r10:00000182 r9:893b8c80 r8:8020029c r7:00000182 r6:00346310 r5:00000000
 r4:00000000
[<803e522c>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdfcbdfa8 to 0xdfcbdff0)
dfa0:                   00000000 00000000 00000005 200000c0 00000070 00000000
dfc0: 00000000 00000000 00346310 00000182 003462d8 00000000 00000001 76f340dc
dfe0: 76f33e88 76f33e78 00018ebc 00130810
Rebooting in 86400 seconds..