general protection fault, probably for non-canonical address 0xf50ea20019240056: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xa8753000c92002b0-0xa8753000c92002b7] CPU: 0 PID: 3917 Comm: systemd-udevd Not tainted 5.9.0-rc1-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:ffffc90000007e40 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: ffff888055000010 RCX: 0000000000000001 RDX: 150ea60019240056 RSI: ffffffff8189a58e RDI: a8753000c92002b5 RBP: a8753000c920029d R08: 0000000000000000 R09: ffffffff8ce329f7 R10: fffffbfff19c653e R11: 0000000000000000 R12: ffffc90000007ed0 R13: ffff888055000000 R14: 0000000000000000 R15: ffff88809fbe4280 FS: 00007f69610f28c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6fc84e5db8 CR3: 000000009e5e2000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rcu_do_batch kernel/rcu/tree.c:2428 [inline] rcu_core+0x5c7/0x1190 kernel/rcu/tree.c:2656 __do_softirq+0x2ed/0xab4 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+0x1f3/0x230 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:write_comp_data+0x2f/0x80 kernel/kcov.c:218 Code: 05 56 9b 8b 7e 65 48 8b 34 25 c0 fe 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 86 4c 14 00 00 85 c0 74 4f 8b 86 28 14 00 00 <83> f8 03 75 44 48 8b 86 30 14 00 00 8b b6 2c 14 00 00 4c 8b 00 48 RSP: 0018:ffffc90002d17868 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffffff836c800a RDX: 0000000000000005 RSI: ffff88809fbe4280 RDI: 0000000000000001 RBP: ffff8880a8ac5d80 R08: 0000000000000001 R09: ffffffff8d35d787 R10: 0000000000000010 R11: 0000000000000000 R12: 0000000000000022 R13: 000000000000009c R14: dffffc0000000000 R15: 0000000000000000 tomoyo_domain_quota_is_ok+0x32a/0x550 security/tomoyo/util.c:1070 tomoyo_supervisor+0x2f2/0xef0 security/tomoyo/common.c:2089 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x270/0x3a0 security/tomoyo/file.c:573 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838 security_inode_getattr+0xcf/0x140 security/security.c:1278 vfs_getattr fs/stat.c:121 [inline] vfs_statx+0x170/0x390 fs/stat.c:206 vfs_lstat include/linux/fs.h:3175 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:374 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f695ff65335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffd6ce4b058 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 000055d9d5184680 RCX: 00007f695ff65335 RDX: 00007ffd6ce4b090 RSI: 00007ffd6ce4b090 RDI: 000055d9d5183680 RBP: 00007ffd6ce4b150 R08: 00007f69602241b8 R09: 0000000000001010 R10: 0000000000000020 R11: 0000000000000246 R12: 000055d9d5183680 R13: 000055d9d518369a R14: 000055d9d5183485 R15: 000055d9d518348a Modules linked in: ---[ end trace 9dee834c54ea5534 ]--- 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:ffffc90000007e40 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: ffff888055000010 RCX: 0000000000000001 RDX: 150ea60019240056 RSI: ffffffff8189a58e RDI: a8753000c92002b5 RBP: a8753000c920029d R08: 0000000000000000 R09: ffffffff8ce329f7 R10: fffffbfff19c653e R11: 0000000000000000 R12: ffffc90000007ed0 R13: ffff888055000000 R14: 0000000000000000 R15: ffff88809fbe4280 FS: 00007f69610f28c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6fc84e5db8 CR3: 000000009e5e2000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600