general protection fault, probably for non-canonical address 0xf4475e0012900069: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xa23b100094800348-0xa23b10009480034f] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.9.0-rc3-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:ffffc90000cffcc8 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: ffff88804c800010 RCX: 00000000ffceddbc RDX: 1447620012900069 RSI: ffffffff81876bfe RDI: a23b100094800348 RBP: a23b100094800330 R08: 0000000000000000 R09: ffffffff8c6009f7 R10: fffffbfff18c013e R11: 0000000000000000 R12: ffffc90000cffd50 R13: ffff88804c800000 R14: 0000000000000000 R15: ffff8880a9624240 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7e62038db8 CR3: 00000000a3d28000 CR4: 00000000001506f0 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+0x5ca/0x1130 kernel/rcu/tree.c:2656 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298 run_ksoftirqd kernel/softirq.c:652 [inline] run_ksoftirqd+0xcf/0x170 kernel/softirq.c:644 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:165 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace 103a6cbd8c98f066 ]--- 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:ffffc90000cffcc8 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: ffff88804c800010 RCX: 00000000ffceddbc RDX: 1447620012900069 RSI: ffffffff81876bfe RDI: a23b100094800348 RBP: a23b100094800330 R08: 0000000000000000 R09: ffffffff8c6009f7 R10: fffffbfff18c013e R11: 0000000000000000 R12: ffffc90000cffd50 R13: ffff88804c800000 R14: 0000000000000000 R15: ffff8880a9624240 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7e62038db8 CR3: 00000000a3d28000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400