RBP: 00007fffbe9baf60 R08: 00007fffbe9bbf60 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbe9bbff0 R13: 00007fea5b51d048 R14: 00000000000125fb R15: 00007fffbe9bc030 ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] BUG: KASAN: use-after-free in qd_unlock+0x30/0x2d0 fs/gfs2/quota.c:497 Read of size 8 at addr ffff888072486090 by task syz-executor/4283 CPU: 0 PID: 4283 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 print_address_description+0x60/0x2d0 mm/kasan/report.c:248 kasan_report+0xdf/