general protection fault, probably for non-canonical address 0xf3df5b0018180062: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x9efaf800c0c00310-0x9efaf800c0c00317] CPU: 1 PID: 22307 Comm: syz-executor.1 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:htab_elem_free kernel/bpf/hashtab.c:769 [inline] RIP: 0010:htab_elem_free_rcu+0x4a/0x110 kernel/bpf/hashtab.c:779 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bc 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b f8 48 8d 7d 18 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 82 00 00 00 44 8b 65 18 bf 05 RSP: 0018:ffffc90000da8e50 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff888048000010 RCX: 00000000ffce192d RDX: 13df5f0018180062 RSI: ffffffff818724ce RDI: 9efaf800c0c00311 RBP: 9efaf800c0c002f9 R08: 0000000000000000 R09: ffffffff8c5f49ff R10: fffffbfff18be93f R11: ffffffff89bd9ac8 R12: ffffc90000da8ed8 R13: ffff888048000000 R14: 0000000000000000 R15: ffff88805ac5e540 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31122000 CR3: 0000000009a8d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_do_batch kernel/rcu/tree.c:2428 [inline] rcu_core+0x5ca/0x1130 kernel/rcu/tree.c:2656 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:__tlb_remove_page_size+0xa6/0x420 mm/mmu_gather.c:81 Code: 28 48 8d 7d 08 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ed 02 00 00 48 b8 00 00 00 00 00 fc ff df 44 8b 65 08 <4a> 8d 7c e5 10 45 8d 6c 24 01 48 89 fa 48 c1 ea 03 44 89 6d 08 80 RSP: 0018:ffffc90008be7750 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc90008be7a50 RCX: ffffffff81a76672 RDX: 1ffff11013489e01 RSI: ffffffff81a76680 RDI: ffff88809a44f008 RBP: ffff88809a44f000 R08: 0000000000000000 R09: ffffea00021ebd33 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000031 R13: ffffea00021ebd00 R14: ffffea00021ebd00 R15: ffffc90008be7a78 __tlb_remove_page include/asm-generic/tlb.h:438 [inline] zap_pte_range mm/memory.c:1094 [inline] zap_pmd_range mm/memory.c:1195 [inline] zap_pud_range mm/memory.c:1224 [inline] zap_p4d_range mm/memory.c:1245 [inline] unmap_page_range+0xfb3/0x2b20 mm/memory.c:1266 unmap_single_vma+0x198/0x300 mm/memory.c:1311 unmap_vmas+0x168/0x2e0 mm/memory.c:1343 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1076 mmput+0x53/0x60 kernel/fork.c:1097 exit_mm kernel/exit.c:483 [inline] do_exit+0xa8b/0x29f0 kernel/exit.c:793 do_group_exit+0x125/0x310 kernel/exit.c:903 get_signal+0x428/0x1f00 kernel/signal.c:2757 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:136 [inline] exit_to_user_mode_prepare+0x1ae/0x200 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:242 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d5b9 Code: Bad RIP value. RSP: 002b:00007efc80b9acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000118cf48 RCX: 000000000045d5b9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cf4c RBP: 000000000118cf40 R08: 0000000000000009 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffde687dd2f R14: 00007efc80b9b9c0 R15: 000000000118cf4c Modules linked in: ---[ end trace ec4316aeffd8b83a ]--- RIP: 0010:htab_elem_free kernel/bpf/hashtab.c:769 [inline] RIP: 0010:htab_elem_free_rcu+0x4a/0x110 kernel/bpf/hashtab.c:779 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bc 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b f8 48 8d 7d 18 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 82 00 00 00 44 8b 65 18 bf 05 RSP: 0018:ffffc90000da8e50 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff888048000010 RCX: 00000000ffce192d RDX: 13df5f0018180062 RSI: ffffffff818724ce RDI: 9efaf800c0c00311 RBP: 9efaf800c0c002f9 R08: 0000000000000000 R09: ffffffff8c5f49ff R10: fffffbfff18be93f R11: ffffffff89bd9ac8 R12: ffffc90000da8ed8 R13: ffff888048000000 R14: 0000000000000000 R15: ffff88805ac5e540 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31122000 CR3: 0000000009a8d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400