general protection fault, probably for non-canonical address 0xf2ffaa001b88005a: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x97fd7000dc4002d0-0x97fd7000dc4002d7] CPU: 1 PID: 11332 Comm: syz-executor.0 Not tainted 5.9.0-rc4-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+0x41/0xf0 kernel/bpf/hashtab.c:779 Code: eb ff 49 8d 5e f8 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 0d f7 2a 00 4c 8b 3b 49 8d 5f 18 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 75 6b 49 83 c6 f0 8b 1b bf 05 00 00 00 89 de e8 RSP: 0000:ffffc90000da8e60 EFLAGS: 00010a07 RAX: 12ffae001b88005a RBX: 97fd7000dc4002d7 RCX: ffff888093602480 RDX: 0000000080000100 RSI: ffff888093602d68 RDI: ffff888032000010 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff167da9c R10: fffffbfff167da9c R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888032000018 R14: ffff888032000010 R15: 97fd7000dc4002bf FS: 00000000027cb940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a3b73 CR3: 000000009e61c000 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+0x79b/0x1130 kernel/rcu/tree.c:2656 __do_softirq+0x256/0x6d5 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+0x91/0xe0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu+0x21f/0x230 kernel/softirq.c:423 irq_exit_rcu+0x5/0x20 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0xd5/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0033:0x4038bb Code: 89 d8 48 c1 e8 10 25 ff 00 00 00 48 89 01 48 89 d8 48 c1 e8 18 25 ff 00 00 00 49 89 00 48 89 d8 0f b6 df 48 c1 e8 20 48 89 1a <48> 0f af 05 8d 02 2a 01 5b 48 01 f8 c3 48 89 c6 b9 00 00 59 01 ba RSP: 002b:00007ffeb1e38300 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ffeb1e383d8 RDX: 00007ffeb1e383d0 RSI: 00007ffeb1e383c8 RDI: 0000000000000000 RBP: 00000000011905b8 R08: 00007ffeb1e383e0 R09: 0000000001190618 R10: 000000000043d610 R11: 0000000000000007 R12: 00000000011905c0 R13: 000000000003ff4b R14: 00000000000000c6 R15: 000000000118cfec Modules linked in: ---[ end trace 877f822f09fe0526 ]--- RIP: 0010:htab_elem_free kernel/bpf/hashtab.c:769 [inline] RIP: 0010:htab_elem_free_rcu+0x41/0xf0 kernel/bpf/hashtab.c:779 Code: eb ff 49 8d 5e f8 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 0d f7 2a 00 4c 8b 3b 49 8d 5f 18 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 75 6b 49 83 c6 f0 8b 1b bf 05 00 00 00 89 de e8 RSP: 0000:ffffc90000da8e60 EFLAGS: 00010a07 RAX: 12ffae001b88005a RBX: 97fd7000dc4002d7 RCX: ffff888093602480 RDX: 0000000080000100 RSI: ffff888093602d68 RDI: ffff888032000010 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff167da9c R10: fffffbfff167da9c R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888032000018 R14: ffff888032000010 R15: 97fd7000dc4002bf FS: 00000000027cb940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a3b73 CR3: 000000009e61c000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400