general protection fault, probably for non-canonical address 0xf420e80018f00065: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xa1076000c7800328-0xa1076000c780032f] CPU: 0 PID: 6909 Comm: syz-executor.3 Not tainted 5.9.0-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:ffffc90000007e60 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: ffff88804cc00010 RCX: 00000000ef8e5d39 RDX: 1420ec0018f00065 RSI: ffffffff8188c15e RDI: a1076000c7800328 RBP: a1076000c7800310 R08: 0000000000000000 R09: ffffffff8d7149bf R10: fffffbfff1ae2937 R11: 0000000000000000 R12: ffffc90000007ee8 R13: ffff88804cc00000 R14: 0000000000000000 R15: ffff888067e88300 FS: 0000000002a33940(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002a3ca98 CR3: 0000000067e52000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_do_batch kernel/rcu/tree.c:2430 [inline] rcu_core+0x5ca/0x1130 kernel/rcu/tree.c:2658 __do_softirq+0x203/0xac5 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/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+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 RIP: 0010:write_comp_data+0x2f/0x80 kernel/kcov.c:218 Code: 05 76 cd 8c 7e 65 48 8b 34 25 c0 fe 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 86 54 14 00 00 85 c0 74 4f 8b 86 30 14 00 00 <83> f8 03 75 44 48 8b 86 38 14 00 00 8b b6 34 14 00 00 4c 8b 00 48 RSP: 0018:ffffc90001707a58 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff838325a2 RDX: 0000000000000000 RSI: ffff888067e88300 RDI: 0000000000000005 RBP: ffffc90001707bc8 R08: 0000000000000001 R09: ffffffff8d714a37 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a4591580 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 tomoyo_check_path_acl+0x82/0x1f0 security/tomoyo/file.c:258 tomoyo_check_acl+0x13c/0x450 security/tomoyo/domain.c:175 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_path_permission+0x1ff/0x3a0 security/tomoyo/file.c:573 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838 tomoyo_path_unlink+0x8e/0xd0 security/tomoyo/tomoyo.c:150 security_path_unlink+0xd7/0x150 security/security.c:1101 do_unlinkat+0x375/0x660 fs/namei.c:3893 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45dba7 Code: 00 66 90 b8 58 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe8fa69b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045dba7 RDX: 00007ffe8fa69b60 RSI: 00007ffe8fa69b60 RDI: 00007ffe8fa69bf0 RBP: 0000000000000d40 R08: 0000000000000000 R09: 0000000000000013 R10: 000000000000000d R11: 0000000000000246 R12: 00007ffe8fa6ac80 R13: 0000000002a34a60 R14: 0000000000000000 R15: 00007ffe8fa6ac80 Modules linked in: ---[ end trace 82aca377c74844c1 ]--- 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:ffffc90000007e60 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: ffff88804cc00010 RCX: 00000000ef8e5d39 RDX: 1420ec0018f00065 RSI: ffffffff8188c15e RDI: a1076000c7800328 RBP: a1076000c7800310 R08: 0000000000000000 R09: ffffffff8d7149bf R10: fffffbfff1ae2937 R11: 0000000000000000 R12: ffffc90000007ee8 R13: ffff88804cc00000 R14: 0000000000000000 R15: ffff888067e88300 FS: 0000000002a33940(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002a3ca98 CR3: 0000000067e52000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600