el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 ------------[ cut here ]------------ WARNING: drivers/irqchip/irq-gic-v3-its.c:2251 at its_lpi_free drivers/irqchip/irq-gic-v3-its.c:2251 [inline], CPU#0: syz.0.18/4916 WARNING: drivers/irqchip/irq-gic-v3-its.c:2251 at its_msi_teardown+0x3a4/0x424 drivers/irqchip/irq-gic-v3-its.c:3644, CPU#0: syz.0.18/4916 Modules linked in: CPU: 0 UID: 0 PID: 4916 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : its_lpi_free drivers/irqchip/irq-gic-v3-its.c:2251 [inline] pc : its_msi_teardown+0x3a4/0x424 drivers/irqchip/irq-gic-v3-its.c:3644 lr : its_lpi_free drivers/irqchip/irq-gic-v3-its.c:2251 [inline] lr : its_msi_teardown+0x3a4/0x424 drivers/irqchip/irq-gic-v3-its.c:3644 sp : ffff800098017560 x29: ffff8000980175f0 x28: ffff0000cfc75930 x27: 1fffe00019f8eb26 x26: 1fffe00019f8eb22 x25: ffff0000c13e1000 x24: dfff800000000000 x23: ffff700013002eac x22: 00000000fffffff4 x21: ffff800098017580 x20: ffff0000c1e07ce0 x19: ffff0000cfc75900 x18: 00000000ffffffff x17: 70202c31206c6176 x16: 0000000000000001 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000003 x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 00000000ffffffff x4 : 0000000000000cc0 x3 : ffff800081ba1c7c x2 : 00000000fffffff4 x1 : ffff0000cfb10000 x0 : 0000000000000000 Call trace: its_lpi_free drivers/irqchip/irq-gic-v3-its.c:2251 [inline] (P) its_msi_teardown+0x3a4/0x424 drivers/irqchip/irq-gic-v3-its.c:3644 (P) its_msi_teardown+0xa0/0xb8 drivers/irqchip/irq-gic-its-msi-parent.c:249 msi_remove_device_irq_domain+0x16c/0x27c kernel/irq/msi.c:1127 msi_device_data_release+0x38/0x9c kernel/irq/msi.c:293 dr_node_release+0x4c/0x5c drivers/base/devres.c:122 release_nodes+0xac/0x108 drivers/base/devres.c:546 devres_release_all+0x138/0x1a4 drivers/base/devres.c:576 device_unbind_cleanup+0x80/0x1c8 drivers/base/dd.c:597 __device_release_driver drivers/base/dd.c:1354 [inline] device_release_driver_internal+0x19c/0x20c drivers/base/dd.c:1372 device_release_driver+0x28/0x38 drivers/base/dd.c:1395 pci_stop_dev drivers/pci/remove.c:27 [inline] pci_stop_bus_device+0x108/0x14c drivers/pci/remove.c:93 pci_stop_and_remove_bus_device+0x84/0xd0 drivers/pci/remove.c:128 pci_stop_and_remove_bus_device_locked+0x24/0x38 drivers/pci/remove.c:136 remove_store+0xdc/0x148 drivers/pci/pci-sysfs.c:523 dev_attr_store+0x6c/0x90 drivers/base/core.c:2505 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 1608 hardirqs last enabled at (1607): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (1607): [] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62 hardirqs last disabled at (1608): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425 softirqs last enabled at (1528): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (1526): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (1526): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 ---[ end trace 0000000000000000 ]--- pci 0000:00:01.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint pci 0000:00:01.0: BAR 0 [io 0x1000-0x101f] pci 0000:00:01.0: BAR 1 [mem 0x10110080-0x101100bf] pci 0000:00:01.0: BAR 1 [mem 0x10110080-0x101100bf]: assigned pci 0000:00:01.0: BAR 0 [io 0x1000-0x101f]: assigned virtio-pci 0000:00:01.0: virtio_pci: leaving for legacy driver