github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/pkg/report/testdata/linux/guilty/10 (about)

     1  FILE: fs/nsfs.c
     2  
     3  ==================================================================
     4  BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:254 [inline] at addr ffff88004f0f1938
     5  BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff88004f0f1938
     6  BUG: KASAN: use-after-free in virt_spin_lock arch/x86/include/asm/qspinlock.h:62 [inline] at addr ffff88004f0f1938
     7  BUG: KASAN: use-after-free in queued_spin_lock_slowpath+0xb0a/0xfd0 kernel/locking/qspinlock.c:421 at addr ffff88004f0f1938
     8  Read of size 4 by task syz-executor0/28813
     9  CPU: 1 PID: 28813 Comm: syz-executor0 Not tainted 4.11.0-rc7+ #251
    10  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    11  Call Trace:
    12   __dump_stack lib/dump_stack.c:16 [inline]
    13   dump_stack+0x292/0x398 lib/dump_stack.c:52
    14   kasan_object_err+0x1c/0x70 mm/kasan/report.c:164
    15   print_address_description mm/kasan/report.c:202 [inline]
    16   kasan_report_error mm/kasan/report.c:291 [inline]
    17   kasan_report+0x252/0x510 mm/kasan/report.c:347
    18   __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:367
    19   __read_once_size include/linux/compiler.h:254 [inline]
    20   atomic_read arch/x86/include/asm/atomic.h:26 [inline]
    21   virt_spin_lock arch/x86/include/asm/qspinlock.h:62 [inline]
    22   queued_spin_lock_slowpath+0xb0a/0xfd0 kernel/locking/qspinlock.c:421
    23   queued_spin_lock include/asm-generic/qspinlock.h:103 [inline]
    24   do_raw_spin_lock+0x151/0x1e0 kernel/locking/spinlock_debug.c:113
    25   __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
    26   _raw_spin_lock+0x32/0x40 kernel/locking/spinlock.c:151
    27   spin_lock include/linux/spinlock.h:299 [inline]
    28   lockref_get_not_dead+0x19/0x80 lib/lockref.c:179
    29   __ns_get_path+0x197/0x860 fs/nsfs.c:66
    30   open_related_ns+0xda/0x200 fs/nsfs.c:143
    31   sock_ioctl+0x39d/0x440 net/socket.c:1001
    32   vfs_ioctl fs/ioctl.c:45 [inline]
    33   do_vfs_ioctl+0x1bf/0x1780 fs/ioctl.c:685
    34   SYSC_ioctl fs/ioctl.c:700 [inline]
    35   SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
    36   entry_SYSCALL_64_fastpath+0x1f/0xc2