------------[ cut here ]------------ WARNING: CPU: 0 PID: 7336 at mm/page_alloc.c:4935 __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4935 Modules linked in: CPU: 0 UID: 0 PID: 7336 Comm: syz.1.139 Not tainted 6.16.0-rc5-syzkaller-gec4801305969 #0 PREEMPT 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_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4935 lr : __alloc_frozen_pages_noprof+0xac/0x318 mm/page_alloc.c:4929 sp : ffff8000a3bc7740 x29: ffff8000a3bc7800 x28: ffff0000c6825b80 x27: 0000000006200000 x26: ffff8000a3bc79e0 x25: dfff800000000000 x24: ffff8000a3bc7760 x23: ffff700014778eec x22: 0000000000000000 x21: 0000000000040dc0 x20: 0000000000000000 x19: 0000000000000019 x18: 00000000ffffffff x17: ffff800093364000 x16: ffff80008ae63d08 x15: 0000000000000005 x14: 1ffff00014778ef0 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700014778ef5 x10: dfff800000000000 x9 : 0000000000000001 x8 : ffff800092c53000 x7 : 0000000000000000 x6 : ffff8000a3bc7c40 x5 : ffff8000a3bc7c40 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4935 (P) __alloc_pages_noprof+0x18/0x100 mm/page_alloc.c:4993 __alloc_pages_node_noprof include/linux/gfp.h:284 [inline] alloc_pages_node_noprof include/linux/gfp.h:311 [inline] ___kmalloc_large_node+0xa8/0x1d8 mm/slub.c:4272 __kmalloc_large_node_noprof+0x2c/0x8c mm/slub.c:4300 __do_kmalloc_node mm/slub.c:4316 [inline] __kmalloc_noprof+0x3bc/0x4c8 mm/slub.c:4340 kmalloc_noprof include/linux/slab.h:909 [inline] kmalloc_array_noprof include/linux/slab.h:948 [inline] comedi_unlocked_ioctl+0x848/0xce0 drivers/comedi/comedi_fops.c:2242 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+0x14c/0x1c4 fs/ioctl.c:893 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 102 hardirqs last enabled at (101): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (102): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (84): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (82): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---