general protection fault, probably for non-canonical address 0xf2fcd10017e4007a: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x97e6a800bf2003d0-0x97e6a800bf2003d7] CPU: 1 PID: 23626 Comm: syz-executor.0 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:ffffc90000da8e48 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff888043800010 RCX: 00000000ffd07f3f RDX: 12fcd50017e4007a RSI: ffffffff818761be RDI: 97e6a800bf2003d6 RBP: 97e6a800bf2003be R08: 0000000000000000 R09: ffffffff8c5fc9f7 R10: fffffbfff18bf93e R11: 0000000000000000 R12: ffffc90000da8ed8 R13: ffff888043800000 R14: 0000000000000000 R15: ffff8880582503c0 FS: 00007f0e006ec700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001590004 CR3: 000000005ee8a000 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+0x2de/0xa24 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:kfree+0x1e0/0x2c0 mm/slab.c:3757 Code: 4d 7e 0f 85 55 fe ff ff e8 2c 09 4c ff e9 4b fe ff ff e8 03 c2 c5 ff 48 83 3d 73 ce 01 08 00 0f 84 d2 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d 41 5c 41 5d c3 65 ff 05 cd 90 4d 7e 48 8b 05 RSP: 0018:ffffc90005727d40 EFLAGS: 00000286 RAX: 000000000000035b RBX: 0000000000000286 RCX: 1ffffffff1564b39 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff888045c00000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880aa043300 R13: ffffffff818218dc R14: ffff888094cfe2c0 R15: ffff8880a6489a00 map_update_elem kernel/bpf/syscall.c:1123 [inline] __do_sys_bpf+0x321c/0x4b30 kernel/bpf/syscall.c:4186 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d5b9 Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0e006ebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000001b00 RCX: 000000000045d5b9 RDX: 0000000000000020 RSI: 0000000020000000 RDI: 0000000000000002 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffdf8700a3f R14: 00007f0e006ec9c0 R15: 000000000118cf4c Modules linked in: ---[ end trace 6a908ca71903e801 ]--- 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:ffffc90000da8e48 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff888043800010 RCX: 00000000ffd07f3f RDX: 12fcd50017e4007a RSI: ffffffff818761be RDI: 97e6a800bf2003d6 RBP: 97e6a800bf2003be R08: 0000000000000000 R09: ffffffff8c5fc9f7 R10: fffffbfff18bf93e R11: 0000000000000000 R12: ffffc90000da8ed8 R13: ffff888043800000 R14: 0000000000000000 R15: ffff8880582503c0 FS: 00007f0e006ec700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001590004 CR3: 000000005ee8a000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600