syzbot

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WARNING: CPU: 0 PID: 4520 at mm/page_alloc.c:5590 __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590
Modules linked in:
CPU: 0 PID: 4520 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 22400005 (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 : ffff800020d07820
x29: ffff800020d078e0 x28: dfff800000000000 x27: ffff800020d07840
x26: 1fffe0001a6fd000 x25: dfff800000000000 x24: ffff7000041a0f08
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000040cc0
x20: 0000000000000000 x19: 0000000000000013 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082d10fc x15: 0000000020000440
x14: 00000000c0085508 x13: 1ffff00002a180b1 x12: 0000000000000005
x11: 1ffff000041a0f0c x10: 0000000000000000 x9 : 0000000000000001
x8 : ffff800017a8a000 x7 : 0000000000000000 x6 : ffff800020d07aa8
x5 : ffff800020d07aa8 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 include/linux/slab.h:568 [inline]
 raw_alloc_io_data+0x1cc/0x298 drivers/usb/gadget/legacy/raw_gadget.c:626
 raw_ioctl_ep_read drivers/usb/gadget/legacy/raw_gadget.c:1117 [inline]
 raw_ioctl+0x6ac/0x31f4 drivers/usb/gadget/legacy/raw_gadget.c:1280
 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: 1708
hardirqs last  enabled at (1707): [<ffff8000088d82a8>] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (1708): [<ffff80001195cc30>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1656): [<ffff8000080309e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1654): [<ffff8000080309ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---