general protection fault, probably for non-canonical address 0xf4fee100126c006d: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xa7f7280093600368-0xa7f728009360036f] CPU: 1 PID: 6896 Comm: syz-executor.5 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: ffff888045c00010 RCX: 0000000000000001 RDX: 14fee500126c006d RSI: ffffffff8189c6be RDI: a7f728009360036a RBP: a7f7280093600352 R08: 0000000000000000 R09: ffffffff8ce329f7 R10: fffffbfff19c653e R11: 0000000000000000 R12: ffffc90000da8ed0 R13: ffff888045c00000 R14: 0000000000000000 R15: ffff888063042280 FS: 0000000001d97940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ef350 CR3: 0000000063017000 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+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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 kernel/locking/spinlock.c:191 Code: 48 c7 c0 e8 69 dc 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d 43 58 d3 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 65 01 48 f9 65 8b 05 be ec f8 77 RSP: 0018:ffffc900055b7d58 EFLAGS: 00000282 RAX: 1ffffffff13b8d3d RBX: 0000000000000282 RCX: 1ffffffff16690c1 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffffffff8d3d5280 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8d3d5278 R13: ffffffff89e83e40 R14: ffffc900055b7de8 R15: ffffffff8d3d5280 debug_object_free lib/debugobjects.c:827 [inline] debug_object_free+0x1c0/0x350 lib/debugobjects.c:800 destroy_hrtimer_on_stack kernel/time/hrtimer.c:457 [inline] hrtimer_nanosleep+0x22b/0x430 kernel/time/hrtimer.c:1951 __do_sys_nanosleep kernel/time/hrtimer.c:1970 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1957 [inline] __x64_sys_nanosleep+0x1dc/0x260 kernel/time/hrtimer.c:1957 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45bac1 Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 84 cf fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc9059e260 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 0000000000134384 RCX: 000000000045bac1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc9059e270 RBP: 000000000000202e R08: 0000000000000000 R09: 0000000001d97940 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc9059e2c0 R14: 0000000000134337 R15: 00007ffc9059e2d0 Modules linked in: ---[ end trace 30424f7713a4dc14 ]--- 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: ffff888045c00010 RCX: 0000000000000001 RDX: 14fee500126c006d RSI: ffffffff8189c6be RDI: a7f728009360036a RBP: a7f7280093600352 R08: 0000000000000000 R09: ffffffff8ce329f7 R10: fffffbfff19c653e R11: 0000000000000000 R12: ffffc90000da8ed0 R13: ffff888045c00000 R14: 0000000000000000 R15: ffff888063042280 FS: 0000000001d97940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ef350 CR3: 0000000063017000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600