general protection fault, probably for non-canonical address 0xebf5430014100068: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x5faa3800a0800340-0x5faa3800a0800347] CPU: 1 PID: 8963 Comm: syz-executor.1 Not tainted 5.9.0-rc6-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: 0000:ffffc90000da8e48 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: ffff88804bc00010 RCX: 0000000000000001 RDX: 0bf5470014100068 RSI: ffffffff8189cfee RDI: 5faa3800a0800345 RBP: 5faa3800a080032d R08: 0000000000000000 R09: ffffffff8d1099f7 R10: fffffbfff1a2133e R11: 0000000000000000 R12: ffffc90000da8ed0 R13: ffff88804bc00000 R14: 0000000000000000 R15: ffff88805e108040 FS: 0000000002aa7940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32422000 CR3: 000000009997e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rcu_do_batch kernel/rcu/tree.c:2428 [inline] rcu_core+0x5ca/0x1130 kernel/rcu/tree.c:2656 __do_softirq+0x1f8/0xb23 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: 0033:0x4129d1 Code: 89 d8 c1 e8 04 31 c3 69 c3 2d eb d4 27 89 c3 c1 eb 0f 31 c3 89 f8 89 c6 81 e6 ff 1f 00 00 8b 14 b5 00 00 76 00 41 39 d0 74 27 <85> d2 0f 84 87 00 00 00 83 c0 01 41 39 c1 75 dc 48 89 f8 25 ff 1f RSP: 002b:00007ffdb2f2d960 EFLAGS: 00000206 RAX: 000000006896d1b9 RBX: 0000000032fd7518 RCX: 0000001b33420000 RDX: 00000000212191b9 RSI: 00000000000011b9 RDI: ffffffff6896d1b9 RBP: 0000000000000245 R08: 000000006896d1b9 R09: 000000006896d1bd R10: 00007ffdb2f2db00 R11: 0000000000000246 R12: 000000000118c050 R13: 00007fb71f32e008 R14: 00007fb71f32e000 R15: 0000000000004bf9 Modules linked in: ---[ end trace a040d0d939f4ab69 ]--- 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: 0000:ffffc90000da8e48 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: ffff88804bc00010 RCX: 0000000000000001 RDX: 0bf5470014100068 RSI: ffffffff8189cfee RDI: 5faa3800a0800345 RBP: 5faa3800a080032d R08: 0000000000000000 R09: ffffffff8d1099f7 R10: fffffbfff1a2133e R11: 0000000000000000 R12: ffffc90000da8ed0 R13: ffff88804bc00000 R14: 0000000000000000 R15: ffff88805e108040 FS: 0000000002aa7940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32422000 CR3: 000000009997e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600