loop1: detected capacity change from 0 to 32768
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BUG: KASAN: user-memory-access in instrument_atomic_read include/linux/instrumented.h:82 [inline]
BUG: KASAN: user-memory-access in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
BUG: KASAN: user-memory-access in jfs_statfs+0x257/0x550 fs/jfs/super.c:140
Read of size 4 at addr 00000000000048b0 by task syz.1.292/8439

CPU: 1 UID: 0 PID: 8439 Comm: syz.1.292 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200
 instrument_atomic_read include/linux/instrumented.h:82 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
 jfs_statfs+0x257/0x550 fs/jfs/super.c:140
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_statfs+0x147/0x2d0 fs/statfs.c:90
 user_statfs+0xe2/0x1c0 fs/statfs.c:106
 __do_sys_statfs fs/statfs.c:194 [inline]
 __se_sys_statfs fs/statfs.c:191 [inline]
 __x64_sys_statfs+0x120/0x270 fs/statfs.c:191
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa5a5a9c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa5a3cf6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000089
RAX: ffffffffffffffda RBX: 00007fa5a5d15fa0 RCX: 00007fa5a5a9c629
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000ac0
RBP: 00007fa5a5b32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa5a5d16038 R14: 00007fa5a5d15fa0 R15: 00007ffde18e79e8
 </TASK>
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