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WARNING: can't dereference registers at (null) for ip apic_timer_interrupt

Status: upstream: reported C repro on 2021/09/01 15:38
Reported-by: syzbot+88d4d6a41bd12a37ad76@syzkaller.appspotmail.com
First crash: 960d, last: 428d
Fix bisection: failed (error log, bisect log)
  

Sample crash report:
WARNING: can't dereference registers at           (null) for ip apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894

Crashes (16):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/15 22:13 linux-4.19.y 3f8a27f9e27b 6be0f1f5 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/10/30 01:59 linux-4.19.y 3f8a27f9e27b 2a71366b .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/07/01 08:53 linux-4.19.y 3f8a27f9e27b 1434eec0 .config console log report syz C ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/03/01 20:33 linux-4.19.y 3f8a27f9e27b 45a13a73 .config console log report syz C ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2021/12/11 11:42 linux-4.19.y 3f8a27f9e27b 49ca1f59 .config console log report syz C ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2021/09/01 15:58 linux-4.19.y e23d55af0e1f 7eb7e152 .config console log report syz C ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/10/30 01:39 linux-4.19.y 3f8a27f9e27b 2a71366b .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/08/11 16:05 linux-4.19.y 3f8a27f9e27b 787ed7e0 .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/07/19 18:38 linux-4.19.y 3f8a27f9e27b 72a3cc0c .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/07/01 08:37 linux-4.19.y 3f8a27f9e27b 1434eec0 .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/02/11 10:35 linux-4.19.y 3f8a27f9e27b 0b33604d .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2022/02/06 10:39 linux-4.19.y 3f8a27f9e27b a7dab638 .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2021/11/21 02:21 linux-4.19.y 3f8a27f9e27b 4eb20a4e .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2021/09/27 10:16 linux-4.19.y c2276d585654 78494d16 .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2021/09/23 22:30 linux-4.19.y 2950c9c5e0df 8cac236e .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
2021/09/01 15:37 linux-4.19.y e23d55af0e1f 7eb7e152 .config console log report info ci2-linux-4-19 WARNING: can't dereference registers at (null) for ip apic_timer_interrupt
* Struck through repros no longer work on HEAD.