wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
JFS: discard option not supported on device
==================================================================
BUG: KASAN: user-memory-access in atomic_read include/asm-generic/atomic-instrumented.h:21 [inline]
BUG: KASAN: user-memory-access in dqput.part.4+0xa7/0x760 fs/quota/dquot.c:764
Read of size 4 at addr 00000000007401f7 by task syz-executor/5192

CPU: 1 PID: 5192 Comm: syz-executor Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x10c/0x17a lib/dump_stack.c:113
 kasan_report_error mm/kasan/report.c:352 [inline]
 kasan_report mm/kasan/report.c:412 [inline]
 kasan_report.cold.7+0x6d/0x305 mm/kasan/report.c:396
 check_memory_region_inline mm/kasan/kasan.c:260 [inline]
 check_memory_region+0x13c/0x1b0 mm/kasan/kasan.c:267
 kasan_check_read+0x11/0x20 mm/kasan/kasan.c:272
 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline]
 dqput.part.4+0xa7/0x760 fs/quota/dquot.c:764
 dqput+0xe/0x20 fs/quota/dquot.c:748
 dqput_all fs/quota/dquot.c:391 [inline]
 __dquot_drop+0x11f/0x180 fs/quota/dquot.c:1566
 dquot_drop fs/quota/dquot.c:1591 [inline]
 dquot_drop+0x137/0x1a0 fs/quota/dquot.c:1569
 jfs_evict_inode+0x8e/0x150 fs/jfs/inode.c:176
 evict+0x29f/0x590 fs/inode.c:558
 dispose_list+0xfe/0x1d0 fs/inode.c:593
 evict_inodes+0x2b8/0x390 fs/inode.c:643
 generic_shutdown_super+0xac/0x330 fs/super.c:448
 kill_block_super+0x96/0xd0 fs/super.c:1185
 deactivate_locked_super+0x7c/0xd0 fs/super.c:329
 deactivate_super fs/super.c:360 [inline]
 deactivate_super+0x13f/0x160 fs/super.c:356
 cleanup_mnt+0x97/0x120 fs/namespace.c:1098
 __cleanup_mnt+0xd/0x10 fs/namespace.c:1105
 task_work_run+0x10e/0x180 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x18a/0x200 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x2bf/0x340 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fa63d4f9497
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffea2d8e9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa63d57908c RCX: 00007fa63d4f9497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffea2d8eab0
RBP: 00007ffea2d8eab0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffea2d8fb40
R13: 00007fa63d57908c R14: 000000000001316f R15: 00007ffea2d8fb80
==================================================================