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WARNING in pend_serror_exception

Status: upstream: reported C repro on 2025/07/13 00:06
Subsystems: kvmarm
[Documentation on labels]
Reported-by: syzbot+1f6f096afda6f4f8f565@syzkaller.appspotmail.com
Fix commit: KVM: arm64: Commit exceptions from KVM_SET_VCPU_EVENTS immediately
Patched on: [ci-qemu-native-arm64-kvm ci-upstream-linux-next-kasan-gce-root ci-upstream-rust-kasan-gce], missing on: [ci-qemu-gce-upstream-auto ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 9d10h, last: 2d06h
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kvmarm?] WARNING in pend_serror_exception 0 (6) 2025/07/13 05:51
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2025/07/13 05:51 0m kapoorarnav43@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next error
2025/07/13 00:41 0m kapoorarnav43@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next error
2025/07/13 00:35 0m kapoorarnav43@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next error
2025/07/13 00:26 0m kapoorarnav43@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next error
2025/07/13 00:18 1m kapoorarnav43@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next error

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3611 at arch/arm64/kvm/inject_fault.c:71 pend_serror_exception+0x19c/0x5ac arch/arm64/kvm/inject_fault.c:71
Modules linked in:
CPU: 0 UID: 0 PID: 3611 Comm: syz.2.16 Not tainted 6.16.0-rc3-syzkaller-g15724a984643 #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 81402009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : pend_serror_exception+0x19c/0x5ac arch/arm64/kvm/inject_fault.c:71
lr : pend_serror_exception+0x19c/0x5ac arch/arm64/kvm/inject_fault.c:71
sp : ffff80008e6b7930
x29: ffff80008e6b7930 x28: 61f000001f088028 x27: 0000000000000001
x26: 0000000000000000 x25: 0000000000000001 x24: 0000000000000061
x23: 61f000001f0882a8 x22: 0000000000000061 x21: 61f000001f088e81
x20: 0000000000000007 x19: efff800000000000 x18: 0000000000000000
x17: 000000000000007d x16: ffff800080011d9c x15: 0000000020000200
x14: ffffffffffffffff x13: 0000000000000028 x12: 0000000000000036
x11: 36f000001f0a32e4 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 36f000001f0a1d80 x7 : ffff800080b08704 x6 : ffff80008e6b7a88
x5 : ffff80008e6b7a88 x4 : 0000000000000001 x3 : ffff8000801a2e80
x2 : 0000000000000000 x1 : 0000000000000002 x0 : 0000000000000000
Call trace:
 pend_serror_exception+0x19c/0x5ac arch/arm64/kvm/inject_fault.c:71 (P)
 kvm_inject_serror_esr+0x274/0xe40 arch/arm64/kvm/inject_fault.c:330
 __kvm_arm_vcpu_set_events+0x1d4/0x238 arch/arm64/kvm/guest.c:-1
 kvm_arm_vcpu_set_events arch/arm64/kvm/arm.c:1698 [inline]
 kvm_arch_vcpu_ioctl+0xed8/0x16b0 arch/arm64/kvm/arm.c:1810
 kvm_vcpu_ioctl+0x5c4/0xc2c virt/kvm/kvm_main.c:4632
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __arm64_sys_ioctl+0x18c/0x244 fs/ioctl.c:893
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x90/0x2b4 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x180/0x2f4 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x58/0x74 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x160 arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 2840
hardirqs last  enabled at (2839): [<ffff80008653cb88>] __raw_read_unlock_irqrestore include/linux/rwlock_api_smp.h:241 [inline]
hardirqs last  enabled at (2839): [<ffff80008653cb88>] _raw_read_unlock_irqrestore+0x44/0xbc kernel/locking/spinlock.c:268
hardirqs last disabled at (2840): [<ffff800086517e08>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (2814): [<ffff8000800c988c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (2812): [<ffff8000800c9858>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---

Crashes (49):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/14 03:09 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 18:51 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 10:32 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 02:14 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 17:54 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 09:34 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 01:13 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 16:53 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 08:33 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/16 03:16 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 22:54 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 18:58 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 17:16 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 16:05 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 14:01 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 10:48 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 08:36 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 04:21 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/15 01:51 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/14 21:23 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 d8fc7335 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/14 19:40 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 d8fc7335 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/14 00:10 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 22:27 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 14:32 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 14:24 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 08:16 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 04:24 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 02:46 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/13 00:35 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 19:33 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 17:08 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 16:28 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/12 14:28 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 23:26 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 12:40 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 09:48 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 08:39 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/11 04:07 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/10 19:10 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 d7384b6d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/10 07:40 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 956bd956 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/10 04:14 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 956bd956 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/09 22:52 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 15724a984643 956bd956 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/09 13:21 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 3c5832f03f2e f4e5e155 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/09 09:24 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 3c5832f03f2e f4e5e155 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/09 08:23 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 3c5832f03f2e f4e5e155 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/09 08:14 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next 3c5832f03f2e f4e5e155 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
2025/07/08 23:18 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next da53a2014ebb 4d9fdfa4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-native-arm64-kvm WARNING in pend_serror_exception
* Struck through repros no longer work on HEAD.