audit: type=1804 audit(1655450377.474:48): pid=10766 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir3844536963/syzkaller.on3doA/37/file0/bus" dev="ramfs" ino=32222 res=1 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 10750 Comm: syz-executor.2 Not tainted 4.14.284-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88806aed2040 task.stack: ffff888069e88000 RIP: 0010:__lock_acquire+0x1cc/0x3f20 kernel/locking/lockdep.c:3369 RSP: 0018:ffff888069e8fa08 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: ffff88806aed2040 R12: 0000000000000018 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8bed2d80 FS: 00007f2007adc700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555568f9708 CR3: 00000000a37b9000 CR4: 00000000003406f0 audit: type=1804 audit(1655450377.484:49): pid=10766 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir3844536963/syzkaller.on3doA/37/file0/bus" dev="ramfs" ino=32222 res=1 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: audit: type=1804 audit(1655450377.514:50): pid=10770 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3344578698/syzkaller.ynumjP/30/file0/bus" dev="ramfs" ino=32226 res=1 audit: type=1804 audit(1655450377.514:51): pid=10770 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3344578698/syzkaller.ynumjP/30/file0/bus" dev="ramfs" ino=32226 res=1 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 prepare_to_wait+0x7d/0x2a0 kernel/sched/wait.c:242 nr_accept+0x1d9/0x5c0 net/netrom/af_netrom.c:796 audit: type=1804 audit(1655450377.554:52): pid=10772 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir3844536963/syzkaller.on3doA/37/file0/bus" dev="ramfs" ino=32222 res=1 SYSC_accept4 net/socket.c:1587 [inline] SyS_accept4+0x2dc/0x580 net/socket.c:1537 audit: type=1804 audit(1655450377.574:53): pid=10773 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir3344578698/syzkaller.ynumjP/30/file0/bus" dev="ramfs" ino=32226 res=1 audit: type=1804 audit(1655450377.684:54): pid=10774 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir1019473962/syzkaller.oqzKDs/43/file0/bus" dev="ramfs" ino=32235 res=1 audit: type=1804 audit(1655450377.684:55): pid=10774 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir1019473962/syzkaller.oqzKDs/43/file0/bus" dev="ramfs" ino=32235 res=1 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f20091a9109 RSP: 002b:00007f2007adc168 EFLAGS: 00000246 ORIG_RAX: 000000000000002b RAX: ffffffffffffffda RBX: 00007f20092bc100 RCX: 00007f20091a9109 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f200920305d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc57c4e0ef R14: 00007f2007adc300 R15: 0000000000022000 Code: 18 00 00 00 00 48 81 c4 80 01 00 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 67 2a 00 00 49 81 3c 24 e0 e7 2f 8b 0f 84 5f RIP: __lock_acquire+0x1cc/0x3f20 kernel/locking/lockdep.c:3369 RSP: ffff888069e8fa08 ---[ end trace ed627debf7f5a451 ]--- ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 48 81 c4 80 01 00 00 add $0x180,%rsp b: 44 89 e8 mov %r13d,%eax e: 5b pop %rbx f: 5d pop %rbp 10: 41 5c pop %r12 12: 41 5d pop %r13 14: 41 5e pop %r14 16: 41 5f pop %r15 18: c3 retq 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 67 2a 00 00 jne 0x2a9b 34: 49 81 3c 24 e0 e7 2f cmpq $0xffffffff8b2fe7e0,(%r12) 3b: 8b 3c: 0f .byte 0xf 3d: 84 .byte 0x84 3e: 5f pop %rdi