------------[ cut here ]------------ WARNING: CPU: 1 PID: 7286 at kernel/signal.c:2050 posixtimer_send_sigqueue+0x7ac/0xa40 Modules linked in: CPU: 1 UID: 0 PID: 7286 Comm: syz.1.127 Tainted: G W 6.13.0-rc6-syzkaller-g6251d1776bc5 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : posixtimer_send_sigqueue+0x7ac/0xa40 lr : posixtimer_send_sigqueue+0x2dc/0xa40 kernel/signal.c:2005 sp : ffff800080017b60 x29: ffff800080017c00 x28: dfff800000000000 x27: ffff800080017bc0 x26: ffff0000c7dde018 x25: ffff0000c7dde0c0 x24: ffff0000c7dde000 x23: ffff0000c2db5ac0 x22: ffff0000c7dde0a4 x21: 1fffe00018fbbc14 x20: ffff0000c7dde0d8 x19: 1fffe00018fbbc03 x18: ffff800080017360 x17: ffff8000805a84dc x16: ffff8000803b4180 x15: 0000000000000001 x14: 1fffe000185b6c8c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000010004 x10: 0000000000ff0100 x9 : 13321b42475fe300 x8 : ffff0000d76700c8 x7 : ffff8000803be658 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008047cc34 x2 : 0000000000000001 x1 : 0000000000020000 x0 : 0000000000000001 Call trace: posixtimer_send_sigqueue+0x7ac/0xa40 (P) posix_timer_queue_signal kernel/time/posix-timers.c:308 [inline] posix_timer_fn+0xe4/0x16c kernel/time/posix-timers.c:323 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x47c/0xca4 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x2bc/0xb58 kernel/time/hrtimer.c:1865 timer_handler drivers/clocksource/arm_arch_timer.c:674 [inline] arch_timer_handler_virt+0x74/0x88 drivers/clocksource/arm_arch_timer.c:685 handle_percpu_devid_irq+0x174/0x308 kernel/irq/chip.c:942 generic_handle_irq_desc include/linux/irqdesc.h:173 [inline] handle_irq_desc kernel/irq/irqdesc.c:714 [inline] generic_handle_domain_irq+0x7c/0xc4 kernel/irq/irqdesc.c:770 __gic_handle_irq drivers/irqchip/irq-gic-v3.c:865 [inline] __gic_handle_irq_from_irqson drivers/irqchip/irq-gic-v3.c:916 [inline] gic_handle_irq+0x6c/0x190 drivers/irqchip/irq-gic-v3.c:960 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_interrupt_handler+0xd4/0x138 arch/arm64/kernel/entry-common.c:310 __el1_irq arch/arm64/kernel/entry-common.c:560 [inline] el1_interrupt+0x34/0x68 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P) arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P) __raw_read_unlock_irqrestore include/linux/rwlock_api_smp.h:241 [inline] (P) _raw_read_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:268 (P) netlink_lock_table net/netlink/af_netlink.c:455 [inline] netlink_broadcast_filtered+0xc8/0x10ec net/netlink/af_netlink.c:1527 netlink_broadcast+0x50/0x68 net/netlink/af_netlink.c:1554 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline] kobject_uevent_net_broadcast+0x33c/0x548 lib/kobject_uevent.c:410 kobject_uevent_env+0x530/0x894 lib/kobject_uevent.c:608 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:656 workqueue_sysfs_register+0x270/0x300 kernel/workqueue.c:7420 __alloc_workqueue+0x16d0/0x19e4 kernel/workqueue.c:5741 alloc_workqueue+0xec/0x1e4 kernel/workqueue.c:5777 xfs_pwork_init+0x144/0x478 fs/xfs/xfs_pwork.c:74 xfs_iwalk_threaded+0xf8/0x4ec fs/xfs/xfs_iwalk.c:657 xfs_qm_quotacheck+0x244/0x648 fs/xfs/xfs_qm.c:1596 xfs_qm_mount_quotas+0x2e8/0x5d0 fs/xfs/xfs_qm.c:1737 xfs_mountfs+0x16d4/0x1ba8 fs/xfs/xfs_mount.c:1030 xfs_fs_fill_super+0xf68/0x11c0 fs/xfs/xfs_super.c:1791 get_tree_bdev_flags+0x38c/0x494 fs/super.c:1636 get_tree_bdev+0x2c/0x3c fs/super.c:1659 xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:1838 vfs_get_tree+0x90/0x28c fs/super.c:1814 do_new_mount+0x278/0x900 fs/namespace.c:3507 path_mount+0x590/0xe04 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount fs/namespace.c:4034 [inline] __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 72242 hardirqs last enabled at (72241): [] __raw_read_unlock_irqrestore include/linux/rwlock_api_smp.h:241 [inline] hardirqs last enabled at (72241): [] _raw_read_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:268 hardirqs last disabled at (72242): [] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline] hardirqs last disabled at (72242): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575 softirqs last enabled at (72098): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (72098): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (72063): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]---