general protection fault, probably for non-canonical address 0xf2ae8c00109c0061: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x9574800084e00308-0x9574800084e0030f] CPU: 1 PID: 20764 Comm: syz-executor.1 Not tainted 5.9.0-rc1-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:ffffc90000da8e40 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff88804bc00010 RCX: 0000000000000001 RDX: 12ae9000109c0061 RSI: ffffffff8189bfde RDI: 9574800084e00309 RBP: 9574800084e002f1 R08: 0000000000000000 R09: ffffffff8d0bd9f7 R10: fffffbfff1a17b3e R11: 0000000000000000 R12: ffffc90000da8ed0 R13: ffff88804bc00000 R14: 0000000000000000 R15: ffff8880a76941c0 FS: 0000000003093940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff09b548db8 CR3: 0000000092388000 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+0x5c7/0x1190 kernel/rcu/tree.c:2656 __do_softirq+0x2ed/0xab4 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+0x1f3/0x230 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x4b/0x80 kernel/locking/spinlock.c:199 Code: c0 f8 69 fc 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 96 5e d5 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 ab 07 2a f9 65 8b 05 04 f3 da 77 85 c0 74 02 5d RSP: 0018:ffffc900062e78a0 EFLAGS: 00000286 RAX: 1ffffffff13f8d3f RBX: ffff8880a76941c0 RCX: 1ffffffff16b2069 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff88270b3f RBP: ffff8880ae535e40 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae535e40 R13: ffff88809695a300 R14: 0000000000000000 R15: 0000000000000000 finish_lock_switch kernel/sched/core.c:3517 [inline] finish_task_switch+0x150/0x790 kernel/sched/core.c:3617 context_switch kernel/sched/core.c:3781 [inline] __schedule+0x904/0x2240 kernel/sched/core.c:4527 schedule+0xd0/0x2a0 kernel/sched/core.c:4602 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue_me+0x2a7/0x570 kernel/futex.c:2588 futex_wait+0x1df/0x560 kernel/futex.c:2690 do_futex+0x15b/0x1a50 kernel/futex.c:3749 __do_sys_futex kernel/futex.c:3810 [inline] __se_sys_futex kernel/futex.c:3778 [inline] __x64_sys_futex+0x378/0x4e0 kernel/futex.c:3778 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd2efa4c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 000000000000002d RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cf4c RBP: 000000000118cf40 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffd2efa4d10 R11: 0000000000000246 R12: 00000000000003e8 R13: 000000000006b62f R14: 000000000006b602 R15: 000000000118cf4c Modules linked in: ---[ end trace 2f41ec9d919a5618 ]--- 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:ffffc90000da8e40 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff88804bc00010 RCX: 0000000000000001 RDX: 12ae9000109c0061 RSI: ffffffff8189bfde RDI: 9574800084e00309 RBP: 9574800084e002f1 R08: 0000000000000000 R09: ffffffff8d0bd9f7 R10: fffffbfff1a17b3e R11: 0000000000000000 R12: ffffc90000da8ed0 R13: ffff88804bc00000 R14: 0000000000000000 R15: ffff8880a76941c0 FS: 0000000003093940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff09b548db8 CR3: 0000000092388000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400