------------[ cut here ]------------ WARNING: CPU: 1 PID: 4865 at mm/gup.c:1297 __get_user_pages+0x368/0x3ac mm/gup.c:1297 Modules linked in: CPU: 1 PID: 4865 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-00024-gac865f00af29 #0 Hardware name: linux,dummy-virt (DT) pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __get_user_pages+0x368/0x3ac mm/gup.c:1297 lr : __get_user_pages+0x360/0x3ac mm/gup.c:1295 sp : ffff800082f33aa0 x29: ffff800082f33aa0 x28: 0000000000000000 x27: 0000000000080101 x26: 0000000000000000 x25: f6ff000035c50fc0 x24: 0000000000000000 x23: 0000000000000001 x22: 0000000000000000 x21: f8ff000035657f00 x20: 0000000000000441 x19: 0000000020001700 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800081d6f9c8 x15: 0000ffffac0edfff x14: 0000000000000000 x13: 1f7fe000074aea81 x12: ffff800082f33a18 x11: fbff00003a575400 x10: fbff00003a57540c x9 : fbff00003a575408 x8 : 0000000020001700 x7 : 0000000020000000 x6 : fcff00003568eac0 x5 : 0000000000000000 x4 : fffffc0001ee8040 x3 : 0000000000000001 x2 : 0000000000000007 x1 : fffffc0001ee8034 x0 : 0000000000000000 Call trace: __get_user_pages+0x368/0x3ac mm/gup.c:1297 __get_user_pages_locked mm/gup.c:1507 [inline] __gup_longterm_locked+0x1c8/0xaf4 mm/gup.c:2214 pin_user_pages+0x78/0xa0 mm/gup.c:3387 io_pin_pages+0x78/0x12c io_uring/rsrc.c:1052 io_sqe_buffer_register+0x70/0x420 io_uring/rsrc.c:1088 io_sqe_buffers_register+0x118/0x268 io_uring/rsrc.c:1206 __io_uring_register io_uring/io_uring.c:4475 [inline] __do_sys_io_uring_register io_uring/io_uring.c:4652 [inline] __se_sys_io_uring_register io_uring/io_uring.c:4613 [inline] __arm64_sys_io_uring_register+0xf8/0xdb0 io_uring/io_uring.c:4613 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:51 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:136 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:155 el0_svc+0x34/0xd8 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:595 ---[ end trace 0000000000000000 ]---