syzbot

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WARNING: CPU: 0 PID: 25070 at mm/gup.c:1315 __get_user_pages+0x53c/0x630 mm/gup.c:1315
Modules linked in:
CPU: 0 PID: 25070 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller #0
Hardware name: linux,dummy-virt (DT)
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __get_user_pages+0x53c/0x630 mm/gup.c:1315
lr : __get_user_pages+0x588/0x630 mm/gup.c:1313
sp : ffff80008b0c7610
x29: ffff80008b0c7610 x28: 0000000000000000 x27: ffff00000c2a5a00
x26: 0000000000000001 x25: ffff000013fffa00 x24: 0000000020001700
x23: 0000000000080101 x22: ffff000014b30000 x21: 1ffff00011618ed8
x20: 0000000000000441 x19: ffff000014b38800 x18: ffff00000c2a6470
x17: 0000000000000000 x16: 0000000000000006 x15: 1fffe00001854c8d
x14: 1fffe00001854c9c x13: 1fffe00001854c8a x12: ffff7fbff83eb007
x11: 1fffffbff83eb006 x10: ffff7fbff83eb006 x9 : dfff800000000000
x8 : fffffdffc1f58037 x7 : 0000000000000001 x6 : ffff7fbff83eb006
x5 : fffffdffc1f58034 x4 : ffff7fbff83eb007 x3 : fffffdffc1f58040
x2 : fffffdffc1f58034 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __get_user_pages+0x53c/0x630 mm/gup.c:1315
 __get_user_pages_locked mm/gup.c:1525 [inline]
 __gup_longterm_locked+0x430/0x18d4 mm/gup.c:2228
 pin_user_pages+0x128/0x138 mm/gup.c:3401
 io_pin_pages+0x98/0x200 io_uring/rsrc.c:891
 io_sqe_buffer_register+0x108/0xe3c io_uring/rsrc.c:927
 io_sqe_buffers_register+0x1d0/0x528 io_uring/rsrc.c:1045
 __io_uring_register io_uring/register.c:418 [inline]
 __do_sys_io_uring_register io_uring/register.c:613 [inline]
 __se_sys_io_uring_register io_uring/register.c:574 [inline]
 __arm64_sys_io_uring_register+0x244/0x20ec io_uring/register.c:574
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x6c/0x25c arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133
 do_el0_svc_compat+0x40/0x64 arch/arm64/kernel/syscall.c:158
 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:852
 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:862
 el0t_32_sync+0x194/0x198 arch/arm64/kernel/entry.S:603
irq event stamp: 460
hardirqs last  enabled at (459): [<ffff800080864b6c>] lruvec_stat_mod_folio include/linux/vmstat.h:569 [inline]
hardirqs last  enabled at (459): [<ffff800080864b6c>] __kmalloc_large_node+0x194/0x1c4 mm/slub.c:3914
hardirqs last disabled at (460): [<ffff800084e64700>] el1_dbg+0x24/0x9c arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (414): [<ffff80008001d830>] fpsimd_restore_current_state+0x44/0xe4 arch/arm64/kernel/fpsimd.c:1784
softirqs last disabled at (412): [<ffff80008001d800>] alternative_has_cap_likely arch/arm64/include/asm/alternative-macros.h:232 [inline]
softirqs last disabled at (412): [<ffff80008001d800>] system_supports_fpsimd arch/arm64/include/asm/cpufeature.h:734 [inline]
softirqs last disabled at (412): [<ffff80008001d800>] fpsimd_restore_current_state+0x14/0xe4 arch/arm64/kernel/fpsimd.c:1777
---[ end trace 0000000000000000 ]---