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BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:71 [inline]
BUG: KASAN: null-ptr-deref in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
BUG: KASAN: null-ptr-deref in ida_free+0x135/0x210 lib/idr.c:510
Read of size 8 at addr 0000000000000000 by task syz-executor.0/4101

CPU: 0 PID: 4101 Comm: syz-executor.0 Not tainted 5.19.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_report mm/kasan/report.c:432 [inline]
 kasan_report.cold+0x61/0x1c6 mm/kasan/report.c:491
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 ida_free+0x135/0x210 lib/idr.c:510
 dev_free+0xd3/0x680 drivers/usb/gadget/legacy/raw_gadget.c:212
 kref_put include/linux/kref.h:65 [inline]
 raw_release+0x165/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:424
 __fput+0x1f5/0x8c0 fs/file_table.c:317
 task_work_run+0xc0/0x160 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f1b3a43bd4b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc96461180 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f1b3a43bd4b
RDX: ffffffffffffffb8 RSI: ffffffffffffffff RDI: 0000000000000004
RBP: 00007f1b3a59d960 R08: 0000000000000000 R09: 00007f1b3a5a0910
R10: 00007ffc96461280 R11: 0000000000000293 R12: 00000000000125c4
R13: 00007ffc96461280 R14: 00007f1b3a59bf60 R15: 0000000000000bea
 </TASK>
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