general protection fault, probably for non-canonical address 0xf13f43001528006e: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x89fa3800a9400370-0x89fa3800a9400377] CPU: 0 PID: 12977 Comm: syz-executor.4 Not tainted 5.9.0-rc4-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: 00010a02 RAX: dffffc0000000000 RBX: ffff888036800010 RCX: 00000000ffcd549e RDX: 113f47001528006e RSI: ffffffff818728de RDI: 89fa3800a9400373 RBP: 89fa3800a940035b R08: 0000000000000000 R09: ffffffff8c5f59ff R10: fffffbfff18beb3f R11: 0000000000000001 R12: ffffc90000007ed8 R13: ffff888036800000 R14: 0000000000000000 R15: ffff888093240180 FS: 000000000347d940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 000000003c96f000 CR4: 00000000001526f0 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:kfree+0x13c/0x2b0 mm/slab.c:3757 Code: 4c 89 f2 48 89 ee 4c 89 ef e8 b0 f7 ff ff 4d 85 e4 0f 85 f3 00 00 00 48 83 3d d7 5b 02 08 00 0f 84 6b 01 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 e8 81 2f c6 ff e9 28 ff RSP: 0018:ffffc90007d77b58 EFLAGS: 00000286 RAX: 000000000000078d RBX: 0000000000000286 RCX: 0000000000000006 RDX: ffff888093240180 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff8880420b81c0 R08: 0000000000000001 R09: ffffffff8c5f5a6f R10: fffffbfff18beb4d R11: 0000000000000001 R12: 0000000000000200 R13: ffff8880aa040100 R14: ffffffff83657677 R15: 0000000000000001 tomoyo_path_perm+0x3a7/0x3f0 security/tomoyo/file.c:840 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: 0033:0x45d327 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:00007ffd5a8ce898 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045d327 RDX: 00007ffd5a8ce933 RSI: 00000000004c311a RDI: 00007ffd5a8ce920 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffd5a8ce8d0 R14: 0000000000000000 R15: 00007ffd5a8ce8e0 Modules linked in: ---[ end trace b493acd85a81e78c ]--- 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: 00010a02 RAX: dffffc0000000000 RBX: ffff888036800010 RCX: 00000000ffcd549e RDX: 113f47001528006e RSI: ffffffff818728de RDI: 89fa3800a9400373 RBP: 89fa3800a940035b R08: 0000000000000000 R09: ffffffff8c5f59ff R10: fffffbfff18beb3f R11: 0000000000000001 R12: ffffc90000007ed8 R13: ffff888036800000 R14: 0000000000000000 R15: ffff888093240180 FS: 000000000347d940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 000000003c96f000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400