loop3: detected capacity change from 0 to 32768
=====================================================
BUG: KMSAN: uninit-value in txLazyUnlock+0x2c9/0x3b0 fs/jfs/jfs_txnmgr.c:2784
 txLazyUnlock+0x2c9/0x3b0 fs/jfs/jfs_txnmgr.c:2784
 lmPostGC fs/jfs/jfs_logmgr.c:845 [inline]
 lbmIODone+0x13cc/0x2d00 fs/jfs/jfs_logmgr.c:2293
 lbmStartIO+0x3c5/0x5b0 fs/jfs/jfs_logmgr.c:2132
 lbmWrite+0x576/0x620 fs/jfs/jfs_logmgr.c:2067
 lmGCwrite fs/jfs/jfs_logmgr.c:-1 [inline]
 jfs_flush_journal+0x80a/0x1670 fs/jfs/jfs_logmgr.c:1548
 jfs_sync_fs+0x9d/0x120 fs/jfs/super.c:649
 sync_filesystem+0x131/0x3c0 fs/sync.c:56
 jfs_reconfigure+0xeb/0x12b0 fs/jfs/super.c:370
 reconfigure_super+0x348/0xf80 fs/super.c:1077
 do_remount fs/namespace.c:3324 [inline]
 path_mount+0x1be5/0x1e90 fs/namespace.c:4115
 do_mount fs/namespace.c:4136 [inline]
 __do_sys_mount fs/namespace.c:4347 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4324
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4324
 x64_sys_call+0x3604/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4197 [inline]
 slab_alloc_node mm/slub.c:4240 [inline]
 __kmalloc_cache_noprof+0x7f7/0xed0 mm/slub.c:4402
 kmalloc_noprof include/linux/slab.h:905 [inline]
 syslog_print+0x9a/0xef0 kernel/printk/printk.c:1607
 do_syslog+0x849/0xfe0 kernel/printk/printk.c:1785
 __do_sys_syslog kernel/printk/printk.c:1877 [inline]
 __se_sys_syslog kernel/printk/printk.c:1875 [inline]
 __x64_sys_syslog+0x97/0x100 kernel/printk/printk.c:1875
 x64_sys_call+0x3ce4/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:104
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 8245 Comm: syz.3.549 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
=====================================================