general protection fault, probably for non-canonical address 0xf1955f00163c004e: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x8cab1800b1e00270-0x8cab1800b1e00277] CPU: 0 PID: 8799 Comm: syz-executor.4 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:ffffc90000007e50 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: ffff88804ac00010 RCX: 00000000ffceddbc RDX: 11956300163c004e RSI: ffffffff81876bfe RDI: 8cab1800b1e00271 RBP: 8cab1800b1e00259 R08: 0000000000000000 R09: ffffffff8c6009f7 R10: fffffbfff18c013e R11: ffffffff89bda388 R12: ffffc90000007ed8 R13: ffff88804ac00000 R14: 0000000000000000 R15: ffff888055cd6340 FS: 000000000174b940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000745b98 CR3: 000000008f9ec000 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 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+0x235/0x280 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:tomoyo_check_acl+0x0/0x410 security/tomoyo/domain.c:164 Code: e9 58 fe ff ff 48 89 df e8 7d 66 4f fe e9 25 fe ff ff 4c 89 e7 e8 f0 65 4f fe e9 cd fd ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 <41> 57 41 56 41 55 49 89 fd 41 54 55 53 48 83 ec 28 48 89 74 24 08 RSP: 0018:ffffc90001fe7b38 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffc90001fe7c08 RCX: ffffffff8365b75f RDX: ffff888055cd6340 RSI: ffffffff8365c710 RDI: ffffc90001fe7c08 RBP: dffffc0000000000 R08: 0000000000000d40 R09: ffff888055cd6c40 R10: 0000000000000000 R11: 0000000000000001 R12: fffff520003fcf86 R13: fffff520003fcf84 R14: 0000000000000000 R15: ffffc90001fe7c20 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_path_permission+0x1f5/0x360 security/tomoyo/file.c:573 tomoyo_path_perm+0x395/0x3f0 security/tomoyo/file.c:838 tomoyo_path_symlink+0x94/0xe0 security/tomoyo/tomoyo.c:200 security_path_symlink+0xdf/0x150 security/security.c:1109 do_symlinkat+0x123/0x2c0 fs/namei.c:3984 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d2e7 Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd4777ca68 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045d2e7 RDX: 00007ffd4777cb03 RSI: 00000000004c30cd RDI: 00007ffd4777caf0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffd4777caa0 R14: 0000000000000000 R15: 00007ffd4777cab0 Modules linked in: ---[ end trace 5b40b8a01002771f ]--- 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:ffffc90000007e50 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: ffff88804ac00010 RCX: 00000000ffceddbc RDX: 11956300163c004e RSI: ffffffff81876bfe RDI: 8cab1800b1e00271 RBP: 8cab1800b1e00259 R08: 0000000000000000 R09: ffffffff8c6009f7 R10: fffffbfff18c013e R11: ffffffff89bda388 R12: ffffc90000007ed8 R13: ffff88804ac00000 R14: 0000000000000000 R15: ffff888055cd6340 FS: 000000000174b940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000745b98 CR3: 000000008f9ec000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400