------------[ cut here ]------------ WARNING: CPU: 1 PID: 4866 at mm/page_alloc.c:5590 __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 Modules linked in: CPU: 1 PID: 4866 Comm: syz.0.134 Not tainted 6.1.144-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 lr : __alloc_pages+0xac/0x53c mm/page_alloc.c:5584 sp : ffff8000226677e0 x29: ffff8000226678b0 x28: ffff0000dcf65340 x27: ffff800022667800 x26: dfff800000000000 x25: dfff800000000000 x24: ffff7000044ccf00 x23: 0000000000000001 x22: 0000000000000000 x21: 0000000000040dc0 x20: 0000000000000000 x19: 0000000000000019 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0f50 x15: 0000000020000000 x14: 00000000c02c640e x13: 1ffff00002a160b1 x12: 0000000000000005 x11: 1ffff000044ccf04 x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff800017a78000 x7 : 0000000000000000 x6 : ffff800022667c40 x5 : ffff800022667c40 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0xa8/0x1e0 mm/slab_common.c:1077 __do_kmalloc_node mm/slab_common.c:924 [inline] __kmalloc+0x140/0x178 mm/slab_common.c:949 kmalloc_array include/linux/slab.h:615 [inline] kcalloc include/linux/slab.h:646 [inline] comedi_unlocked_ioctl+0x8ec/0xda4 drivers/comedi/comedi_fops.c:2237 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 286 hardirqs last enabled at (285): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (286): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (268): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (266): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---