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BUG: KASAN: wild-memory-access in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: wild-memory-access in test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline]
BUG: KASAN: wild-memory-access in __fscache_relinquish_cookie+0x2a/0x650 fs/netfs/fscache_cookie.c:977
Write of size 8 at addr adacafaea9a8ac9a by task syz-executor.1/6911

CPU: 1 PID: 6911 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-12955-g8e938e398669 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0xef/0x1a0 mm/kasan/generic.c:189
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline]
 __fscache_relinquish_cookie+0x2a/0x650 fs/netfs/fscache_cookie.c:977
 fscache_relinquish_cookie include/linux/fscache.h:308 [inline]
 v9fs_evict_inode+0x102/0x150 fs/9p/vfs_inode.c:356
 evict+0x2ed/0x6c0 fs/inode.c:667
 iput_final fs/inode.c:1741 [inline]
 iput.part.0+0x5a8/0x7f0 fs/inode.c:1767
 iput+0x5c/0x80 fs/inode.c:1757
 v9fs_fid_iget+0x1e8/0x3c0 fs/9p/vfs_inode.c:399
 v9fs_get_inode_from_fid fs/9p/v9fs.h:232 [inline]
 v9fs_mount+0x7ac/0xa90 fs/9p/vfs_super.c:142
 legacy_get_tree+0x109/0x220 fs/fs_context.c:662
 vfs_get_tree+0x8f/0x380 fs/super.c:1797
 do_new_mount fs/namespace.c:3352 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f1faa27dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1fab0360c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1faa3abf80 RCX: 00007f1faa27dda9
RDX: 0000000020000540 RSI: 0000000020000500 RDI: 0000000000000000
RBP: 00007f1faa2ca47a R08: 0000000020000580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f1faa3abf80 R15: 00007fff1e649808
 </TASK>
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