general protection fault, probably for non-canonical address 0xe25914001bd80054: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x12c8c000dec002a0-0x12c8c000dec002a7] CPU: 0 PID: 8494 Comm: syz-executor.0 Not tainted 5.10.0-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:ffffc90000007e60 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: ffff888085000010 RCX: 00000000ef8dd827 RDX: 025918001bd80054 RSI: ffffffff81838ede RDI: 12c8c000dec002a4 RBP: 12c8c000dec0028c R08: 0000000000000000 R09: ffffffff8ebbb67f R10: fffffbfff1d776cf R11: 0000000000000000 R12: ffffc90000007ee8 R13: ffff888085000000 R14: ffffffff815d5ff6 R15: 0000000000000000 FS: 0000000002a27940(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe4c1419db8 CR3: 000000002cbe6000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_do_batch kernel/rcu/tree.c:2476 [inline] rcu_core+0x5df/0xe80 kernel/rcu/tree.c:2711 __do_softirq+0x2a0/0x9f6 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+0x132/0x200 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:kfree+0xf3/0x240 mm/slab.c:3760 Code: 49 63 75 74 48 89 ef e8 5b 3d 0a 02 4c 8b 74 24 28 48 89 ee 4c 89 ef 4c 89 f2 e8 98 59 00 00 84 c0 74 10 4d 85 e4 75 1e 53 9d <5b> 5d 41 5c 41 5d 41 5e c3 4c 89 f2 48 89 ee 4c 89 ef e8 b6 f7 ff RSP: 0018:ffffc900016d7bb8 EFLAGS: 00000286 RAX: 0000000000271f65 RBX: 0000000000000286 RCX: 1ffffffff19d9361 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88806ce96000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000200 R13: ffff888010040900 R14: ffffffff83878681 R15: 0000000000001000 tomoyo_realpath_from_path+0x191/0x620 security/tomoyo/realpath.c:291 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x1d5/0x590 security/tomoyo/file.c:723 security_file_ioctl+0x50/0xb0 security/security.c:1481 __do_sys_ioctl fs/ioctl.c:747 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0xb3/0x200 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45dd27 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffea85c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045dd27 RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 RBP: 00000000000002bf R08: 0000000000000000 R09: 000000000000000a R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea85c71a0 R14: 0000000000078e11 R15: 00007ffea85c71b0 Modules linked in: ---[ end trace 40fb7380f5c12a90 ]--- 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: 00010203 RAX: dffffc0000000000 RBX: ffff888085000010 RCX: 00000000ef8dd827 RDX: 025918001bd80054 RSI: ffffffff81838ede RDI: 12c8c000dec002a4 RBP: 12c8c000dec0028c R08: 0000000000000000 R09: ffffffff8ebbb67f R10: fffffbfff1d776cf R11: 0000000000000000 R12: ffffc90000007ee8 R13: ffff888085000000 R14: ffffffff815d5ff6 R15: 0000000000000000 FS: 0000000002a27940(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe4c1419db8 CR3: 000000002cbe6000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400