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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]
 __do_kmalloc_node mm/slub.c:4375 [inline]
 __kvmalloc_node_noprof+0xa36/0x1530 mm/slub.c:5067
 bch2_io_clock_init+0x144/0x240 fs/bcachefs/clock.c:177
 bch2_fs_alloc fs/bcachefs/super.c:1002 [inline]
 bch2_fs_open+0x48c2/0x5560 fs/bcachefs/super.c:2433
 bch2_fs_get_tree+0x95f/0x2b50 fs/bcachefs/fs.c:2472
 vfs_get_tree+0xb3/0x5c0 fs/super.c:1815
 do_new_mount+0x733/0x1420 fs/namespace.c:3808
 path_mount+0x6db/0x1e90 fs/namespace.c:4123
 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

CPU: 0 UID: 0 PID: 7654 Comm: syz.2.378 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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