WARNING: CPU: 0 PID: 13380 at kernel/locking/rwsem.c:240 down_read+0xdd/0x1d0 kernel/locking/rwsem.c:1502
Modules linked in:
CPU: 0 PID: 13380 Comm: syz-executor.4 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================
BUG: KMSAN: uninit-value in show_ip arch/x86/kernel/dumpstack.c:142 [inline]
BUG: KMSAN: uninit-value in show_iret_regs+0x1fd/0x230 arch/x86/kernel/dumpstack.c:149
 show_ip arch/x86/kernel/dumpstack.c:142 [inline]
 show_iret_regs+0x1fd/0x230 arch/x86/kernel/dumpstack.c:149
 __show_regs+0x31/0xc90 arch/x86/kernel/process_64.c:74
 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469
 __warn+0x242/0x580 kernel/panic.c:621
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:316
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:336
 asm_exc_invalid_op+0x1b/0x20
 down_read+0xdd/0x1d0 kernel/locking/rwsem.c:1502
 nilfs_bmap_lookup_at_level+0x5b/0x4c0 fs/nilfs2/bmap.c:68
 nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline]
 nilfs_mdt_submit_block+0x2c3/0xec0 fs/nilfs2/mdt.c:142
 nilfs_mdt_read_block+0x89/0x5f0 fs/nilfs2/mdt.c:176
 nilfs_mdt_get_block+0x77/0x1b0 fs/nilfs2/mdt.c:251
 nilfs_palloc_get_block+0x19b/0x380 fs/nilfs2/alloc.c:216
 nilfs_palloc_get_entry_block+0x242/0x310 fs/nilfs2/alloc.c:318
 nilfs_ifile_get_inode_block+0x12a/0x2c0 fs/nilfs2/ifile.c:143
 __nilfs_read_inode fs/nilfs2/inode.c:477 [inline]
 nilfs_iget+0x29e/0xcf0 fs/nilfs2/inode.c:603
 nilfs_get_root_dentry+0x46/0x580 fs/nilfs2/super.c:904
 nilfs_fill_super+0x77a/0x9f0 fs/nilfs2/super.c:1078
 nilfs_mount+0xb17/0x1200 fs/nilfs2/super.c:1317
 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610
 vfs_get_tree+0xa1/0x500 fs/super.c:1530
 do_new_mount+0x694/0x1580 fs/namespace.c:3040
 path_mount+0x71a/0x1f00 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x734/0x840 fs/namespace.c:3568
 __ia32_sys_mount+0xdf/0x140 fs/namespace.c:3568
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Local variable counter created at:
 try_charge_memcg+0x5c/0x1ff0
 obj_cgroup_charge_pages+0x2c9/0x690 mm/memcontrol.c:3040

CPU: 0 PID: 13380 Comm: syz-executor.4 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================